TWI499935B - Multimedia interaction system and related computer program product capable of avoiding unexpected interaction behavior - Google Patents

Description

Multimedia interactive system and related computer program products that can prevent unintended interactions from occurring

The invention relates to a multimedia interactive system, in particular to a multimedia interactive system and related computer program products comprising a plurality of displays and avoiding unintended interactions.

With the advancement of technology, multimedia interactive systems and related applications that allow multimedia interactions of different electronic devices have received increasing attention. The design of many interactive applications related to multimedia content expects that the relative positions of multiple electronic devices participating in multimedia interactions in space must meet certain conditions to allow specific multimedia interactions. However, in the traditional multimedia interactive system, the transmitting end electronic device of the multimedia interactive instruction cannot judge the relative position of itself and other electronic devices in space, nor can it restrict the transmission direction of the multimedia content or the interactive instruction. Therefore, there is often a multimedia interaction result between the electronic devices that does not conform to the general user experience, should not appear in the design of the multimedia interactive application, violates the rules set by the interactive application, or is unintended.

For example, some multimedia interactive applications are designed to expect the receiving electronics and its The user must be located in front of the user of the transmitting electronic device, and the specific image object or command can be transmitted from the transmitting electronic device to the receiving electronic device. However, in actual operation, the receiving end electronic device and its user can receive the specific image object or instruction transmitted by the transmitting end electronic device even if it is located behind the user of the transmitting end electronic device. Such unintended interactions are not in line with the general user experience and should not occur in the design of multimedia interactive applications, but they often occur. This is because in order to enable the electronic device to achieve better signal transmission quality, the communication circuits in the electronic device are generally designed to transmit and receive signals in various directions, rather than transmitting and receiving signals in a specific direction.

One of the ways to reduce the above problem is to design the communication circuit of the electronic device to only transmit and receive signals in a specific direction, but this method will seriously affect the signal transmission capability and the receiving range of the electronic device. If the user experience presented by the multimedia interactive system cannot be ensured, and the original design intention of the multimedia interactive application can be met, the development and application range of the multimedia interactive application across the electronic device will be seriously hindered.

In view of this, how to reduce the number of electronic devices participating in multimedia interactive applications, which may not be in line with the general user experience, should not appear in the design of multimedia interactive applications, violate the rules set by interactive applications, or unintended multimedia The possibility of interactive results to improve the user experience of multimedia interactive systems is a problem that the industry has yet to resolve.

The present specification provides an embodiment of a multimedia interactive system, comprising: a plurality of electronic devices, including a source electronic device and a plurality of candidate electronic devices; and a plurality of displays, And respectively disposed on the source electronic device and the plurality of candidate electronic devices; and a position detecting circuit configured to dynamically detect individual positions and directivity of the plurality of electronic devices in space, and are related to the detection result The information is transmitted to at least one of the plurality of electronic devices by wireless transmission; wherein, when a user instructs the source electronic device to transmit a target image object in a selected direction, if the plurality of candidate electronic devices are The first candidate electronic device meets a first predetermined condition in a relative position of the selected direction in space, and the source electronic device selects the first candidate electronic device as a reference electronic device, and according to the reference electronic device The location and the selected direction determine a target direction; wherein the source electronic device further determines whether a second candidate electronic device of the plurality of candidate electronic devices meets a second predetermined position in a relative position of the target direction in space Condition, and only if the position of the second candidate electronic device and the relative position of the target direction in space match In the case of the second predetermined condition, the source electronic device transmits a target command corresponding to the target image object to the second candidate electronic device, so that the second candidate electronic device utilizes the corresponding one according to the target instruction. The second candidate display performs a multimedia operation corresponding to the target image object.

This specification provides an embodiment of a computer program product. The computer program product is stored in a non-transitory storage device of a source electronic device in a multimedia interactive system. The multimedia interactive system includes a position detecting circuit and a plurality of electronic devices. The plurality of electronic devices include the source electronic device and a plurality of candidate electronic devices. The source electronic device includes a control circuit, a communication circuit, and a source display. When the control circuit executes the computer program product, the source electronic device is caused to perform a Multimedia interactive operation. The computer program product includes a receiving module for dynamically receiving information related to individual positions and directivity of the plurality of electronic devices in space by using the communication circuit; a selection module, wherein, when used When the source electronic device instructs the source electronic device to transmit a target image object in a selected direction, if a first candidate electronic device of the plurality of candidate electronic devices meets a first predetermined condition in a relative position of the selected direction in space, The selection module uses the control circuit to select the first candidate electronic device as a reference electronic device; a target direction determining module for determining a target direction according to the position of the reference electronic device and the selected direction by using the control circuit; And determining, by the control circuit, whether a second candidate electronic device of the plurality of candidate electronic devices meets a second predetermined condition in a relative position of the target direction in space; and a transmitting module is only in the first The position of the two candidate electronic devices and the relative position of the target direction in space are consistent In the case of the second predetermined condition, the communication circuit is used to transmit a target instruction corresponding to the target image object to the second candidate electronic device, so that the second candidate electronic device uses the corresponding one according to the target instruction. The two candidate displays perform multimedia operations corresponding to the target image object.

One of the advantages of the above embodiments is that the source of the multimedia interactive instruction can be effectively reduced from the source of the electronic device and other electronic devices, which is not suitable for the general user experience, should not appear in the design of the multimedia interactive application, and violates the setting of the interactive application. Rules, or unintended multimedia interaction results.

Another advantage of the above embodiments is that it may cause the multimedia interactive system to be inconsistent with the general user experience and should not appear in the design of the multimedia interactive application. Multimedia interaction instructions that violate the rules set by the interactive application or the unintended multimedia interactions are filtered or blocked to ensure that the multimedia interactions presented by the multimedia interactive system conform to the original design intent of the multimedia interactive application. As a result, the user experience provided by the multimedia interactive system can be greatly improved.

Another advantage of the above embodiment is that the source electronic device determines whether the position and directivity of other electronic devices meet the second predetermined condition, which can effectively reduce the amount of calculation required by other electronic devices, thereby prolonging the operation of other electronic devices. Battery life.

Other advantages of the invention will be explained in more detail by the following description and drawings.

100‧‧‧Multimedia interactive system

110‧‧‧ position detection circuit

120‧‧‧Electronic devices

121‧‧‧Control circuit

123‧‧‧Storage device

125‧‧‧Communication circuit

127‧‧‧ display

128‧‧‧Multimedia interactive module

130‧‧‧Network

211, 212, 213, 214, 221, 222, 223, 224, 231, 232, 233, 234, 241, 242, 243, 244 ‧ ‧ reference points

215, 235, 245‧‧‧ control keys

216, 226‧‧‧ browser window

225‧‧‧ brand logo

302~312, 414~424‧‧‧ Process steps

500‧‧‧ Target image objects

1200‧‧‧ Projection object of the target image object

4000‧‧‧Multimedia interactive screen

4010‧‧‧Master image screen

4020‧‧‧ thumbnail picture

4021, 4022, 4023‧‧‧ portrait

4024‧‧‧Image objects

4025‧‧‧track line

FIG. 1 is a simplified functional block diagram of a multimedia interactive system according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing the simplified position of a portion of the electronic device in FIG. 1 in space. FIG.

FIG. 3 and FIG. 4 are simplified flowcharts of a multimedia interaction method according to an embodiment of the present invention.

5 to 11 are simplified schematic views showing different states of the relative positions of the electronic devices in FIG. 1 in space.

12 to 18 are simplified schematic views showing different states of relative positions of projections of a portion of the electronic device of FIG. 1 on a reference horizontal plane.

19 to 21 are simplified schematic views of different aspects of the relative positions of the source electronic device and the reference electronic device in space.

22 to 30 are simplified views of different aspects of the relative positions of the electronic devices in FIG. 1 in space.

31 to 39 are projection phases of a portion of the electronic device of FIG. 1 on a reference horizontal plane. A simplified schematic of the different aspects of the position.

FIG. 40 is a schematic diagram of a simplified multimedia interactive screen according to an embodiment of the present invention.

Embodiments of the present invention will be described below in conjunction with the associated drawings. In the drawings, the same reference numerals are used to refer to the same or similar elements or process steps.

Please refer to FIG. 1 , which is a simplified functional block diagram of a multimedia interactive system 100 according to an embodiment of the present invention. The multimedia interactive system 100 includes a location detection circuit 110 and a member electronic device (120-a~120-n is taken as an example). In the multimedia interactive system 100, different users perform interactive operations related to multimedia content through the electronic devices 120-a~120-n, such as various multimedia content sharing, multimedia content interaction, multimedia content collaborative editing, online sports games. , card games, Role-playing Game (RPG), Action Game, Adventure Game, Strategy Game (SLG), Real-time Strategy Game (RSG) )and many more.

The position detecting circuit 110 can use one or more magnetic sensing circuits, ultrasonic positioning circuits, infrared sensing circuits, image sensing and identification circuits, WiFi signal positioning circuits, motion detection circuits, indoor GPS circuits, and gesture sensing. Various existing object positioning circuits, such as circuits, are implemented. In practice, the position detecting circuit 110 can be disposed above all the electronic devices 120-a~120-n, such as the position of the ceiling, so that the position detecting circuit 110 is positioned higher than all the electronic devices 120-a~120. -n to improve the accuracy of position detection.

The lowercase English indexes a~n in the component numbers and device numbers used in the present specification and drawings are merely for convenience of referring to individual components and devices, and are not intended to limit the number of the aforementioned components and devices to a specific number. In the specification and the drawings, if an element number or device number is used to indicate the index of the component number or device number, it means that the component number or device number refers to the component group or device group that is not specified. Any component or device. For example, the component number 121-a refers to the control circuit 121-a, and the component number 121 refers to any of the control circuits 121-a to 121-n. For another example, the device number 120-c refers to the electronic device 120-c, and the device number 120 refers to any of the electronic devices 120-a-120-n.

In the embodiment of FIG. 1 , the electronic devices 120-a 120 120-n respectively include a control circuit 121 , a storage device 123 coupled to the control circuit 121 , a communication circuit 125 , and a display 127 . In practice, the control circuit 121 can be implemented by one or more processor units, and the communication circuit 125 can be a wired network interface, a wireless network interface, or a circuit that integrates both functions. In addition, the multimedia interaction module 128 is stored in the storage device 123. The multimedia interaction module 128 can be composed of one or more application modules. For example, the multimedia interaction module 128 can include a receiving module, a selection module, a target direction decision module, a determining module, a transmitting module, and a display module. For convenience of explanation, other elements and connection relationships in the electronic device 120 are not shown in FIG.

In operation, the electronic devices 120-a~120-n can perform mutual funds via the network 130. Material communication. The aforementioned network 130 may be an internet or internal network employing various communication protocols.

In use, the electronic devices 120-a-120-n may be a plurality of electronic devices having the same hardware specifications and operating systems, or a plurality of electronic devices having different hardware specifications and operating systems. In other words, the electronic devices 120-a~120-n can be various desktop computers, desktop game machines, transaction machines, and mobile electronic devices (such as mobile phones, tablets, notebook computers, small devices) having networking functions. Various combinations of notebooks, e-books, handheld game consoles, etc., or various types of home appliances (such as televisions, refrigerators, stereos, etc.).

The operation of the multimedia interactive system 100 will be further described below in conjunction with FIGS. 3 and 4.

3 and 4 collectively depict a simplified flowchart of an embodiment of the multimedia interaction method of the present invention for use in the multimedia interactive system 100.

In Figures 3 and 4, the flow in a field to which a particular device belongs is representative of the flow performed by that particular device. For example, in Figures 3 and 4, the portion of the field labeled "Position Detection Circuit" represents the flow performed by position detection circuit 110, labeled "source electronic device". The portion of the bit represents the flow of the electronic device that generates the multimedia interactive command, and the portion of the field labeled "candidate electronic device" represents the electronic device that may receive or execute the multimedia interactive command. The process carried out.

Control in the electronic device 120 when performing the multimedia interaction method in FIGS. 3 and 4 The circuit 121 executes the multimedia interaction module 128 to cause the electronic device 120 to perform some or all of the processes in the corresponding fields.

For convenience of understanding, the operation mode of the multimedia interactive system 100 will be described below by taking the source electronic device as the electronic device 120-c and the candidate electronic device as the other electronic devices in the multimedia interactive system 100 as an example.

In the process 302, the position detecting circuit 110 can dynamically detect the individual positions and directivity of the electronic devices 120-a~120-n in space to generate individual devices in the space with the electronic devices 120-a~120-n. Information related to location and directivity, and wirelessly transmitting information related to the detection result to at least one of the electronic devices 120-a~120-n by wireless transmission.

In the multimedia interactive system 100, the location of the particular geometric feature of the electronic device 120, a particular logo, a particular component, a particular region, a particular geometric feature of the display 127, or a particular geometric feature of a particular display region on the display 127 in space may be utilized. To represent the location of the electronic device 120 in space.

For example, the position detecting circuit 110 can detect and utilize the position of a centroid of the electronic device 120 to represent the position of the electronic device 120 in space. Alternatively, the position detecting circuit 110 can detect and utilize the centroid position of the display 127 to represent the position of the electronic device 120 in space.

In practice, the position detecting circuit 110 and the individual electronic devices 120-a~120-n can also be used to jointly calculate the position of the individual electronic devices 120-a~120-n in space. The location detecting circuit 110 can detect and transmit the spatial coordinates of the plurality of reference points in the electronic device 120 to the electronic device 120, and is determined by the multimedia interaction module 128. The module uses the control circuit 121 to calculate the centroid position of the electronic device 120 according to the spatial coordinates of the received plurality of reference points to represent the position of the electronic device 120 in the space. For example, in the embodiment of FIG. 2, the position detecting circuit 110 can detect and transmit the spatial coordinates of the reference points 211 to 214 in the electronic device 120-a to the electronic device 120-a, and the detecting and transmitting electronic device 120- The spatial coordinates of the reference points 221 to 224 in b are given to the electronic device 120-b, the spatial coordinates of the reference points 231 to 234 in the detection and transmission electronic device 120-c to the electronic device 120-c, and the detection and transmission of electrons. The spatial coordinates of the reference points 241-244 in the device 120-n are given to the electronic device 120-n.

Since the length and width of the electronic device 120-a are given values, the judging module of the multimedia interactive module 128-a can utilize the control circuit 121-a according to the spatial coordinates of some or all of the reference points in the reference points 211~214. The position of the centroid of the electronic device 120-a is calculated to represent the position of the electronic device 120-a in space. Since the length and width of the electronic device 120-b are given values, the judging module of the multimedia interactive module 128-b can utilize the control circuit 121-b according to the spatial coordinates of some or all of the reference points in the reference points 221-224. The position of the centroid of the electronic device 120-b is calculated to represent the position of the electronic device 120-b in space. Since the length and width of the electronic device 120-c are given values, the judging module of the multimedia interactive module 128-c can utilize the control circuit 121-c according to the spatial coordinates of some or all of the reference points 231~234. The position of the centroid of the electronic device 120-c is calculated to represent the position of the electronic device 120-c in space. Similarly, since the length and width of the electronic device 120-n are given values, the judging module of the multimedia interactive module 128-n can utilize the control circuit 121-n according to some or all of the reference points in the reference points 241-244. Space coordinates, The three-dimensional coordinates of the centroid of the electronic device 120-n are calculated to represent the position of the electronic device 120-n in space.

Alternatively, the determining module of the multimedia interaction module 128 can also use the control circuit 121 to calculate the position of the centroid of the display 127 according to the received spatial coordinates of the plurality of reference points to represent the position of the electronic device 120 in the space. For example, in the embodiment of FIG. 2, the position detecting circuit 110 can detect and transmit the spatial coordinates of the reference points 211 to 214 in the electronic device 120-a to the electronic device 120-a, and the detecting and transmitting electronic device 120- The spatial coordinates of the reference points 221 to 224 in b are given to the electronic device 120-b, the spatial coordinates of the reference points 231 to 234 in the detection and transmission electronic device 120-c to the electronic device 120-c, and the detection and transmission of electrons. The spatial coordinates of the reference points 241-244 in the device 120-n are given to the electronic device 120-n.

Since the length and width of the electronic device 120-a are given values, and the size of the display 127-a and the setting position in the electronic device 120-a are also given, the judging module of the multimedia interactive module 128-a The position of the centroid Ca of the display 127-a can be calculated by the control circuit 121-a based on the spatial coordinates of some or all of the reference points 211-214 to represent the position of the electronic device 120-a in space. Since the length and width of the electronic device 120-b are given values, and the size of the display 127-b and the setting position in the electronic device 120-b are also given, the judging module of the multimedia interactive module 128-b The position of the centroid Cb of the display 127-b can be calculated by the control circuit 121-b according to the spatial coordinates of some or all of the reference points 221 to 224 to represent the position of the electronic device 120-b in space. Since the length and width of the electronic device 120-c are given values, and the size of the display 127-c and in the electronic device 120- The setting position in c is also given, so the judging module of the multimedia interactive module 128-c can use the control circuit 121-c to calculate the display 127- according to the spatial coordinates of some or all of the reference points in the reference points 231~234. The position of the centroid Cc of c represents the position of the electronic device 120-c in space. Similarly, since the length and width of the electronic device 120-n are given values, and the size of the display 127-n and the setting position in the electronic device 120-n are also given, the multimedia interactive module 128-n The determining module can use the control circuit 121-n to calculate the three-dimensional coordinates of the centroid Cn of the display 127-n according to the spatial coordinates of some or all of the reference points in the reference points 241-244, to represent the electronic device 120-n in the space. The location in .

Alternatively, the determining module of the multimedia interaction module 128 can also use the control circuit 121 to calculate the specific geometry of a multimedia interactive program window (eg, a browser window) displayed on the display 127 according to the received spatial coordinates of the plurality of reference points. The location of the feature, such as the location of the center point, represents the location of the electronic device 120 in space. For example, in the embodiment of FIG. 2, electronic device 120-a utilizes display 127-a to display a target browser window 216, and electronic device 120-b utilizes display 127-b to display a target browser window 226. Since the size of the target browser window 216 displayed on the display 127-a and the relative position in the display 127-a are both set by the control circuit 121-a, they are all known parameters. Therefore, the position detecting circuit 110 can detect and transmit the spatial coordinates of the reference points 211 to 214 in the electronic device 120-a to the electronic device 120-a, and the determining module of the multimedia interactive module 128-a can utilize the control circuit. 121-a calculates the three-dimensional coordinates of the center point Wa of the target browser window 216 according to the spatial coordinates of some or all of the reference points 211 to 214, to represent the electronic The location of device 120-a in space. Similarly, since the size of the target browser window 226 displayed on the display 127-b and the relative position in the display 127-b are both set by the control circuit 121-b, they are all known parameters. Therefore, the position detecting circuit 110 can detect and transmit the spatial coordinates of the reference points 221 to 224 in the electronic device 120-b to the electronic device 120-b, and the determining module of the multimedia interactive module 128-b can utilize the control circuit. 121-b calculates the three-dimensional coordinates of the center point Wb of the target browser window 226 according to the spatial coordinates of some or all of the reference points 221 to 224 to represent the position of the electronic device 120-b in the space.

In addition, the position detecting circuit 110 can also identify and detect the position of one or more reference objects or signs in the electronic device 120, and compare with the positions of other reference points to determine that the electronic device 120 is in space. Orientation. For example, in the embodiment of FIG. 2, the position detecting circuit 110 can identify and detect the position of the control key 215 in the electronic device 120-a and some or all of the reference points 211-214. The spatial coordinates are compared to determine the directivity of the electronic device 120-a in space. The position detecting circuit 110 can identify and detect the position of the brand mark 225 of the electronic device 120-b, and compare with the spatial coordinates of some or all of the reference points 221 to 224 to determine the electronic The directivity of device 120-b in space. The position detecting circuit 110 can identify and detect the position of the control key 235 in the electronic device 120-c, and compare with the spatial coordinates of some or all of the reference points 231-234 to determine the The directivity of the electronic device 120-c in space. The position detecting circuit 110 can identify and detect the position of the control key 235 of the electronic device 120-n, and some or all of the aforementioned reference points 241-244 The spatial coordinates of the reference points are compared to determine the directivity of the electronic device 120-n in space.

Alternatively, the position detecting circuit 110 can also transmit the detection result of the position of the one or more reference objects or flags to the electronic device 120 together with the detection result of the position of the other reference points. The judging module of the multimedia interaction module 128 compares the position of the one or more reference objects or flags with the positions of other reference points by using the control circuit 121 to determine the directivity of the electronic device 120 in the space. In order to reduce the computational load of the position detecting circuit 110.

In the following description, the directivity of the electronic device 120-a in space is represented by the pointing direction Da, and the directivity of the electronic device 120-b in the space is represented by the pointing direction Db, and the electronic device 120-c is The directivity in the space is represented by the pointing direction Dc, and the directivity of the electronic device 120-n in the space is represented by the pointing direction Dn. It should be noted that the "directivity" and the "directing direction" referred to in the present invention are description terms regarding the manner in which the electronic device 120 is placed in the use state, and are not used to indicate the signal transmission and reception direction of the communication circuit 125 of the electronic device 120.

For convenience of explanation, it is assumed below that the multimedia interactive system 100 utilizes the position of the centroid of the display 127 to represent the position of the electronic device 120 in space.

In operation, the position and directivity of each electronic device 120 in space may change due to a change in the position of the user or a change in the posture of the operating electronic device 120. Therefore, the position detecting circuit 110 performs the foregoing process 302 continuously or intermittently, and dynamically detects the individual positions and directivity of the electronic devices 120-a-120-n in the space to generate the electronic device 120-a~ 120-n individual position and directivity in space The information and information generated is transmitted by wireless transmission to one or more electronic devices in need.

In the process 304, the receiving module of the multimedia interaction module 128 of each electronic device 120 can be dynamically received from the position detecting circuit 110 by using the communication circuit 125 in a wireless transmission manner, and is related to the position and directivity of the electronic device 120 in space. Information and record it. In addition, the receiving module of the multimedia interaction module 128 can also use the communication circuit 125 to dynamically receive and record information related to individual positions and directivity of other electronic devices in the space from the position detecting circuit 110 or other electronic devices. . The receiving module of the multimedia interaction module 128 can periodically or intermittently perform the foregoing process 304 to dynamically receive the latest information generated by the location detecting circuit 110 or other electronic devices, and update the electronic device 120-a-120 accordingly. -n records related to individual locations and directivity in space.

When the user of the source electronic device 120-c operates the source electronic device 120-c, the determining module of the multimedia interaction module 128-c performs a process 306 to determine whether the user's current operation is an indication of a target. The image object is transferred in a selected direction Ds. If the operation is only another operation unrelated to the target image object, the control circuit 121-c performs a corresponding operation according to the user's operation.

If the user of the source electronic device 120-c performs a predetermined operation on the source electronic device 120-c (eg, a specific touch mode, a specific mouse operation, or a specific voice control command) to indicate the source electronic device 120 -c transmits a target image object in a selected direction Ds, and the judging module of the multimedia interaction module 128-c performs a flow 308.

In the process 308, the determining module of the multimedia interactive module 128-c can select other electronic devices other than the source electronic device 120-c as a candidate electronic device, and according to the position and orientation in the space with the candidate electronic device. The latest information about the sex is used to determine whether the selected candidate electronic device and the relative position of the selected direction Ds in space meet a first predetermined condition. If the determining module of the multimedia interactive module 128-c determines that the relative position of a first candidate electronic device and the selected direction Ds in the multimedia interactive system 100 meets the first predetermined condition, the selection of the multimedia interactive module 128-c The module performs the process 310; otherwise, if the determining module of the multimedia interactive module 128-c determines that the relative positions of the other electronic devices in the multimedia interactive system 100 and the selected direction Ds in the space do not meet the first predetermined condition, then the multimedia The decision module of the interactive module 128-c performs the flow 422 of FIG.

In the process 310, the selection module of the multimedia interaction module 128-c selects a candidate electronic device that matches the selected direction Ds according to the first predetermined condition as a basic electronic device. For example, in this embodiment, the selection module of the multimedia interaction module 128-c selects the aforementioned first candidate electronic device as the reference electronic device.

In the process 312, the target direction determining module of the multimedia interactive module 128-c determines a target direction Dt according to the position of the reference electronic device and the selected direction Ds.

Next, the multimedia interaction module 128-c performs the flow 414 of FIG.

In the process 414, the judging module of the multimedia interactive module 128-c can select the source electronic device 120-c and other electronic devices other than the reference electronic device one by one as one candidate. The electronic device is selected, and based on the latest information related to the position and directivity of the candidate electronic device in space, whether the relative position of the selected candidate electronic device and the target direction Dt in space conforms to a second predetermined condition is determined. For example, for a second candidate electronic device in the multimedia interactive system 100, if the determining module of the multimedia interactive module 128-c determines that the relative position of the second candidate electronic device and the target direction Dt in space conforms to the second The predetermined condition, the transmitting module of the multimedia interactive module 128-c performs the process 416; otherwise, if the determining module of the multimedia interactive module 128-c determines that the relative position of the second candidate electronic device and the target direction Dt in the space does not match For the second predetermined condition, the determining module of the multimedia interaction module 128-c performs the process 422.

In the process 416, the transmitting module of the multimedia interactive module 128-c transmits the target command corresponding to the target image object and the user's indication to the candidate electronic device that meets the second predetermined condition by using the communication circuit 125-c. The foregoing target instructions include one or more instructions used by the source electronic device 120-c to set, control, change, or adjust the multimedia content presented by the display on the candidate electronic device, and may also include one or more image objects. Parameter values related to image properties such as shape, size, color, position, duration, moving direction, and moving speed.

In the process 418, the multimedia interaction module of the candidate electronic device utilizes the communication circuit of the candidate electronic device to receive the target instruction.

In the process 420, the multimedia interaction module of the candidate electronic device uses the display to perform multimedia operations corresponding to the target image object according to the target instruction. For example, the multimedia interaction module of the candidate electronic device can be set according to the target instruction by using the control circuit. Or adjusting image attributes such as shape, size, color, position, duration, moving direction, moving speed, and the like of the image object corresponding to the target image object to generate one or more corresponding images, and the one or more corresponding images A plurality of corresponding images are displayed on the display to perform a multimedia interactive operation.

In practice, the determining module of the multimedia interactive module 128-c can perform the foregoing process 414 on the source electronic device 120-c and other electronic devices other than the reference electronic device to find all eligible electronic devices that meet the requirements. Alternatively, the judging module of the multimedia interactive module 128-c may also terminate the operation of the process 414 after finding the first candidate electronic device that meets the judgment condition of the process 414, and no longer position and target the other electronic devices. Dt judges the relative position in space.

In flow 422, the decision module of the multimedia interaction module 128-c will reject the transfer of the target command to the candidate electronic device.

In the process 424, the display module of the multimedia interaction module 128-c can utilize a display 127-c (hereinafter referred to as a source display), a speaker, a light source circuit, or a vibrator on the source electronic device 120-c. To present a corresponding multimedia effect that refuses to transmit the target instruction to the candidate electronic device. For example, the display module of the multimedia interaction module 128-c can control the display 127-c to present an animation effect of the target image object colliding to the edge of the display 127-c and then bounce back, control the speaker to present a specific sound effect, and control the vibrator to perform A particular mode of vibration, a controllable light source circuit (such as an LED or flash) exhibits a particular visual effect, or a collocation operation of the various devices described above can be utilized to present a particular multimedia effect to let the user know that the source electronic device 120-c is not The target image object or target command is transmitted to the candidate electronic device.

It can be seen from the foregoing description that if the other electronic devices in the multimedia interactive system 100 do not meet the requirements of the first predetermined condition, the source electronic device 120-c will not select the reference electronic device, nor will the target command be transmitted to other electronic devices. The device prevents other electronic devices from performing multimedia operations corresponding to the target image object. In addition, if the source electronic device 120-c selects one reference electronic device from the plurality of candidate electronic devices, but the other candidate electronic devices do not satisfy the requirement of the second predetermined condition, the source electronic device 120-c does not. The target command is transmitted to other candidate electronic devices to prevent other candidate electronic devices from performing multimedia operations corresponding to the target image object. In other words, only the source electronic device 120-c finds a first candidate electronic device that satisfies the first predetermined condition requirement from the multimedia interactive system 100 as a reference electronic device, and finds a second candidate device that satisfies the second predetermined condition requirement. The source electronic device transmits a target instruction corresponding to the target image object to the second candidate electronic device, so that the second candidate electronic device performs the target with the corresponding display according to the target instruction. The multimedia operation corresponding to the image object. Therefore, using the multimedia interaction method in FIG. 3 and FIG. 4, it is possible to effectively avoid strange and unreasonable multimedia interaction results in the multimedia interactive system 100.

The operation of the source electronic device 120-c in the foregoing process 308 is further described below in conjunction with FIGS. 5-11.

5-11 are the relative positions of some electronic devices in the multimedia interactive system 100 in the space when the user of the source electronic device 120-c indicates that the source electronic device 120-c transmits a target image object 500 in a selected direction Ds. Simplified representation of different aspects Figure.

In practice, in the foregoing process 308, the source electronic device 120-c can determine whether the relative position of the candidate electronic device and the selected direction Ds in the space meets the set first predetermined condition according to the three-dimensional position of the candidate electronic device.

In a first embodiment of the flow 308, the aforementioned first predetermined condition means that the candidate electronic device must be located on a selected path Ps pointed to by the selected direction Ds.

In the second embodiment of the flow 308, the aforementioned first predetermined condition means that the distance between the position of the candidate electronic device and the selected path Ps is less than a first predetermined distance value R1s.

In a third embodiment of the flow 308, the aforementioned first predetermined condition means that the selected path Ps passes through any position of the display on the candidate electronic device.

In a fourth embodiment of the flow 308, the aforementioned first predetermined condition means that the candidate electronic device is located on a selected vertical plane (not shown) where the selected path Ps is located and perpendicular to the ground.

In a fifth embodiment of the flow 308, the aforementioned first predetermined condition means that the distance between the position of the candidate electronic device and the selected vertical plane is less than the first predetermined distance value R1s.

In the aspect of FIG. 5, the selected path Ps pointed by the selected direction Ds passes through the centroid Ca of the display 127-a, representing that the electronic device 120-a is located on the selected path Ps and also at the selected vertical plane where the selected path Ps is located. on. Since the electronic device 120-a is located on the selected path Ps and the selected vertical plane, the distance between the position of the electronic device 120-a and the selected path Ps is zero, and the position between the electronic device 120-a and the selected vertical plane The distance is also zero. As shown in FIG. 5, the selected path Ps passes through the display 127-n, but does not pass through the centroid Cn of the display 127-n, indicating that the electronic device 120-n is not located on the selected path Ps, nor is it located at the selected path Ps. Vertical plane.

Therefore, for the aspect of FIG. 5, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c determines the electronic device 120 in the foregoing first to fifth embodiments. The position of a and the relative position of the selected direction Ds in space conform to the first predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines in the foregoing third embodiment that the position of the electronic device 120-n and the relative position of the selected direction Ds in the space are consistent. a first predetermined condition, but in the foregoing first or fourth embodiment, the determining module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-n and the relative position of the selected direction Ds in the space do not match First predetermined condition.

In the aspect of Fig. 6, the selected path Ps pointed by the selected direction Ds passes through the area of the display 127-a, but does not pass through the centroid Ca of the display 127-a, indicating that the electronic device 120-a is not located on the selected path Ps. Also, it is not on the selected vertical plane where the selected path Ps is located. The distance between the centroid Ca and the selected path Ps is G1s, which represents the distance between the position of the electronic device 120-a and the selected path Ps is G1s. In addition, the selected path Ps passes through the peripheral area of the electronic device 120-n, but does not pass through the area of the display 127-n, and the representative electronic device 120-n is not located on the selected path Ps, nor is it located at the selected vertical plane where the selected path Ps is located. on. As shown in FIG. 6, the distance G1s between the centroid Ca of the display 127-a and the selected path Ps is smaller than the first predetermined distance value R1s, but the distance between the centroid Cn of the display 127-n and the selected path Ps is Significantly larger than the first The predetermined distance value is R1s.

Therefore, for the aspect of FIG. 6, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c determines the electronic in the foregoing second, third, and fifth embodiments. The position of the device 120-a and the relative position of the selected direction Ds in space conform to the first predetermined condition, but in the foregoing first and fourth embodiments, it is determined that the position of the candidate electronic device 120-a and the selected direction Ds are The relative position in the space does not meet the first predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-n and the selected direction Ds are in space in the foregoing first to fifth embodiments. The relative position does not meet the first predetermined condition.

In the sixth embodiment of the flow 308, the foregoing first predetermined condition means that the candidate electronic device is located in a columnar region S1s pointed by the selected direction Ds, wherein the columnar region S1s has a selected direction Ds as an axis and a radius It is the first predetermined distance value R1s.

In the aspect of Fig. 6, the centroid Ca of the display 127-a is located in the columnar region S1s pointed by the selected direction Ds, and the representative electronic device 120-a is located in the columnar region S1s. The centroid Cn of the display 127-n is located outside the columnar region S1s, and the representative electronic device 120-n is not located in the columnar region S1s.

Therefore, for the aspect of FIG. 6, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c determines the candidate electronic device 120-a in the foregoing sixth embodiment. The relative position of the position and the selected direction Ds in the space conforms to the first predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines the candidate in the foregoing sixth embodiment. The position of the electronic device 120-n and the relative position of the selected direction Ds in the space do not conform to the first predetermined condition.

In the seventh embodiment of the process 308, the foregoing first predetermined condition means that the candidate electronic device is located in a pyramidal or cone region S2s pointed by the selected direction Ds, wherein the tapered region S2s is in a selected direction Ds is the axis, the position of the target image object 500 is the apex, and the apex angle is an acute angle. In practice, the tapered region S2s may be a conical or pyramidal region.

In the aspect of Fig. 7, the tapered region S2s is a conical region, and the centroid Ca of the display 127-a is located in the tapered region S2s, and the representative electronic device 120-a is located in the tapered region S2s. The centroid Cn of the display 127-n is located outside the tapered region S2s, indicating that the electronic device 120-n is not located within the tapered region S2s.

Therefore, for the aspect of FIG. 7, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c determines the candidate electronic device 120-a in the foregoing seventh embodiment. The relative position of the position and the selected direction Ds in the space conforms to the first predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines the relative position of the candidate electronic device 120-n and the selected direction Ds in space in the foregoing seventh embodiment. Does not meet the first predetermined condition.

In the eighth embodiment of the flow 308, the foregoing first predetermined condition means that the selected direction Ds is parallel to a first reference shift direction Dss1, and between the first reference shift direction Dss1 and a first reference direction. a first reference angle is an acute angle and less than a reference angle As, wherein the first reference shift direction Dss1 and the first reference direction are both sourced The position of the sub-device 120-c is the starting point, and the first reference direction is directed to the location of the candidate electronic device.

In the aspect of FIG. 8, the judging module of the multimedia interactive module 128-c can translate the selected direction Ds to the position of the source electronic device 120-c (in this example, the position of the centroid Cc) as a starting point. A first reference shift direction Dss1 is defined. When the candidate electronic device is the electronic device 120-a, the first reference direction is the direction D1s of the centroid Ca of the display 127-a starting from the centroid Cc of the display 127-c. The line L1s pointed by the direction D1s passes through the centroid Ca of the display 127-a. The first reference angle is an angle A1s between the direction D1s and the first reference shift direction Dss1. The smaller the angle A1s is, to some extent, the closer the position of the candidate electronic device 120-a is to the selected path Ps pointed by the selected direction Ds. Therefore, if the angle A1s is an acute angle and is smaller than the reference angle As, the judging module of the multimedia interactive module 128-c determines the position of the electronic device 120-a and the selected direction Ds in space in the foregoing eighth embodiment. The relative position meets the first predetermined condition. On the other hand, if the angle A1s is greater than the reference angle As, the determining module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-a and the relative position of the selected direction Ds in the space are not in the foregoing eighth embodiment. Meet the first predetermined conditions.

In the aspect of FIG. 8, when the candidate electronic device is the electronic device 120-n, the first reference direction is the direction D2s of the centroid Cc of the display 127-n starting from the centroid Cc of the display 127-c. . The line L2s pointed by the direction D2s passes through the centroid Cn of the display 127-n. The first reference angle is the angle A2s between the direction D2s and the first reference shift direction Dss1. The smaller the angle A2s, to some extent, the candidate electronic device The closer the position of 120-n is to the selected path Ps pointed to by the selected direction Ds. Therefore, if the angle A2s is an acute angle and is smaller than the reference angle As, the judging module of the multimedia interactive module 128-c determines the position of the electronic device 120-n and the selected direction Ds in space in the foregoing eighth embodiment. The relative position meets the first predetermined condition. On the other hand, if the angle A2s is greater than the reference angle As, the determining module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-n and the relative position of the selected direction Ds in the space are not in the foregoing eighth embodiment. Meet the first predetermined conditions.

In the foregoing aspects of FIG. 8 and subsequent parts, if the centroids Cc, Ca, and Cn are not on the same spatial plane, the selected direction Ds, the direction D1s, and the direction D2s are not in the same spatial plane. on. At this time, the first reference shift direction Dss1, the direction D1s, and the direction D2s are not in the same spatial plane.

If the position of the candidate electronic device and the relative position of the selected direction Ds in space conform to the first predetermined condition in any of the foregoing first to eighth embodiments, the representative electronic device is located to the selected direction Ds to some extent. Within an error tolerance range near the selected path Ps pointed to. Therefore, the source electronic device 120-c can select the candidate electronic device as the reference electronic device. When the multimedia interactive system 100 is to manufacture the target image object, the source electronic device 120-c transmits the reference electronic device located near the selected path Ps pointed by the selected direction Ds, and then passes the reference electronic device to the multimedia of the other candidate electronic device. In the interactive effect, the source electronic device 120-c may select, from among other electronic devices of the multimedia interactive system 100, a single candidate electronic device that satisfies the first predetermined condition in any of the foregoing first to eighth embodiments, As a reference electronic device.

In practice, the judging module of the multimedia interactive module 128-c can perform the foregoing process 308 on the other electronic devices in the multimedia interactive system 100 to find the candidate electronic device with the highest degree of compliance with the first predetermined condition. The module is selected as the reference electronic device. Alternatively, the selection module of the multimedia interaction module 128-c may also use the candidate electronic device as the reference electronic device after the determination module finds the first candidate electronic device that meets the determination condition of the process 308, and ends the determination module. At operation of flow 308, the position of the other electronic device and the relative position of the selected direction Ds in space are no longer determined.

In addition, when the multimedia interactive application performed by the multimedia interactive system 100 requires a lower accuracy of the determination of the relative position of the candidate electronic device and the selected direction Ds in space, the aforementioned first predetermined distance value R1s or the reference angle As may be used. Relaxation. On the other hand, when the multimedia interactive application requires high accuracy for determining the relative position of the candidate electronic device and the selected direction Ds in space, the first predetermined distance value R1s or the reference angle As may be lowered, or the first The first predetermined condition setting mode of the embodiment.

In the ninth embodiment of the process 308, the foregoing first predetermined condition is that a second reference angle between the first reference shift direction Dss1 and a second reference direction is an acute angle, and the first reference angle is less than The second reference angle, wherein the second reference direction starts from the position of the source electronic device 120-c and points to a position of a reference electronic device in the multimedia interactive system 100.

In the aspect of FIG. 8, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c selects another electronic device that is close to the selected path Ps. Set 120-n as the control electronic device. At this time, the first reference direction is also the direction D1s of the centroid C of the display 127-a starting from the centroid Cc of the display 127-c, and the first reference angle is also the direction D1s and the first reference shift. The angle A1s between the bit directions Dss1. The second reference direction is the direction D2s of the centroid Cn of the display 127-n starting from the centroid Cc of the display 127-c, and the second reference angle is the direction D2s and the first reference shifting direction Dss1. The angle between the two is A2s. The smaller the angle A2s, to some extent, the closer the position of the collating electronic device 120-n is to the selected path Ps pointed by the selected direction Ds. In the aspect of FIG. 8, since the angle A1s is an acute angle and smaller than the angle A2s, the position of the candidate electronic device 120-a is represented to some extent closer to the selected direction Ds than the comparison electronic device 120-n. Path Ps. Therefore, in the foregoing ninth embodiment, the judging module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-a and the relative position of the selected direction Ds in the space meet the first predetermined condition.

In the aspect of FIG. 8, when the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c selects another electronic device 120-a that is close to the selected path Ps as the comparison electronic device. At this time, the first reference direction is the direction D2s of the centroid Cn of the display 127-n starting from the centroid Cc of the display 127-c, and the first reference angle is the direction D2s and the first reference shift direction. The angle A2s between Dss1. The second reference direction is the direction D1s of the centroid C of the display 127-a starting from the centroid Cc of the display 127-c, and the second reference angle is between the direction D1s and the first reference shifting direction Dss1. The angle A1s. In the aspect of FIG. 8, since the angle A2s is larger than the angle A1s, it represents the control electronic device 120-a to some extent. The position is closer to the selected path Ps pointed by the selected direction Ds than the candidate electronic device 120-n. Therefore, in the foregoing ninth embodiment, the judging module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-n and the relative position of the selected direction Ds in the space do not meet the first predetermined condition.

When the selection module of the multimedia interaction module 128-c selects a single candidate electronic device whose position is closest to the selected path Ps pointed by the selected direction Ds as the reference electronic device, the manner of the foregoing ninth embodiment can be adopted. The first predetermined condition is set.

In the tenth embodiment of the process 308, the foregoing first predetermined condition means that the candidate electronic device is located on the selected path Ps, and the segment of the selected path Ps between the source electronic device 120-c and the candidate electronic device does not Access to other electronic devices in the multimedia interactive system 100.

In the eleventh embodiment of the process 308, the foregoing first predetermined condition means that the distance between the position of the candidate electronic device and the selected path Ps is smaller than the first predetermined distance value R1s, and the selected path Ps is at the source electronic device 120. The section between -c and the candidate electronic device does not touch other electronic devices in the multimedia interactive system 100.

In a twelfth embodiment of the flow 308, the aforementioned first predetermined condition means that the selected path Ps passes through the display on the candidate electronic device, and the selected path Ps is between the source electronic device 120-c and the candidate electronic device. The segments do not touch other electronic devices in the multimedia interactive system 100.

In a thirteenth embodiment of the process 308, the foregoing first predetermined condition means that the candidate electronic device is located on a selected vertical plane where the selected path Ps is located, and the selected vertical plane is at the source electronic device 120-c and the candidate electronic device. The area will not be exposed to the media Other electronic devices in the body interaction system 100.

In the fourteenth embodiment of the flow 308, the foregoing first predetermined condition means that the distance between the position of the candidate electronic device and the selected vertical plane is smaller than the first predetermined distance value R1s, and the selected vertical plane is at the source electronic device 120. The area between the -c and the candidate electronic device does not touch other electronic devices in the multimedia interactive system 100.

In the aspect of FIG. 5, the selected path Ps pointed by the selected direction Ds passes through the centroid Ca of the display 127-a, representing that the electronic device 120-a is located on the selected path Ps and also at the selected vertical plane where the selected path Ps is located. on. Since the electronic device 120-a is located on the selected path Ps and the selected vertical plane, the distance between the electronic device 120-a and the selected path Ps is zero, and the distance between the electronic device 120-a and the selected vertical plane is also zero. .

In the foregoing aspect of FIG. 5, the section of the selected path Ps between the source electronic device 120-c and the electronic device 120-a passes through the area of the display 127-n of the electronic device 120-n. This represents to some extent the blocking of the electronic device 120-n between the source electronic device 120-c and the electronic device 120-a.

Therefore, for the aspect of FIG. 5, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c determines the candidate electronic device in the foregoing tenth to fourteenth embodiments. The position of 120-a and the relative position of the selected direction Ds in space do not meet the first predetermined condition.

If the position of the candidate electronic device and the relative position of the selected direction Ds in space conform to the first predetermined condition in any of the foregoing tenth to fourteenth embodiments, the candidate electronic device is located to some extent in the selected direction. An error tolerance range near the selected path Ps pointed by Ds, and the candidate electronic device and the source electronic device 120- c is not blocked by other electronic devices. Therefore, when the multimedia interactive system 100 is to be manufactured, only when the candidate electronic device and the source electronic device 120-c are not blocked by other electronic devices, the candidate electronic device can be selected as the multimedia interactive effect of the reference electronic device. The first predetermined condition setting manner in the foregoing tenth to fourteenth embodiments can prevent the candidate electronic device from being blocked by other electronic devices from the source electronic device 120-c, and the candidate electronic device can still be selected as the reference. Unexpected conditions of the electronic device occur.

In the fifteenth embodiment of the process 308, the foregoing first predetermined condition means that a third reference angle is formed between the first reference direction and the second reference direction, and the first reference angle is smaller than the first reference angle. Half of the reference angle.

In the sixteenth embodiment of the process 308, the foregoing first predetermined condition is that the second reference vertical plane (not shown), where the second reference direction is located and perpendicular to the ground, cuts the space into a first The reference space and a second reference space, the selected direction Ds points to the first reference space, and the candidate electronic device is located in the first reference space.

In the aspect of FIG. 9, when the candidate electronic device is the electronic device 120-a, the judging module of the multimedia interactive module 128-c selects another electronic device 120-n that is close to the selected path Ps as the collating electronic device. At this time, the first reference direction is also the direction D1s of the centroid C of the display 127-a starting from the centroid Cc of the display 127-c, and the first reference angle is also the direction D1s and the first reference shift. The angle A1s between the bit directions Dss1. The second reference direction is the direction D2s from the centroid Cc of the display 127-c and pointing to the centroid Cn of the display 127-n, and the third reference angle is the angle A3s between the direction D1s and the direction D2s. If the angle A1s is smaller than the angle A3s Half of the representation of the candidate electronic device 120-a is somewhat closer to the selected path Ps pointed to by the selected direction Ds than the comparison electronic device 120-n. In addition, a second reference vertical plane, where the direction D2s is located and perpendicular to the ground, cuts the space into a first reference space SRs and a second reference space SLs. As shown in FIG. 9, the selected direction Ds is directed to the first reference space SRs, and the electronic device 120-a is located within the first reference space SRs. Therefore, in the fifteenth and sixteenth embodiments, the judging module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-a and the relative position of the selected direction Ds in the space conform to the first predetermined condition.

When the selection module of the multimedia interaction module 128-c selects a single candidate electronic device whose position is closest to the selected path Ps pointed to by the selected direction Ds as the reference electronic device, the aforementioned fifteenth or sixteenth may be adopted. The first predetermined condition is set in the manner of the embodiment.

In the seventeenth embodiment of the flow 308, the aforementioned first predetermined condition refers to a source vertical plane in which the pointing direction Dc of the source electronic device 120-c (hereinafter referred to as the source pointing direction Dc) is perpendicular to the ground. (not shown), rotating the first reference viewing angle VA1s from the position of the source electronic device 120-c to both sides of the source pointing direction Dc defines a source viewing angle space, and the source vertical plane cuts the source viewing angle into one The first half side reference space and a second half side reference space, the selected direction Ds is directed to the first half side reference space, and the candidate electronic device is located in the first half side reference space. At the same time, a candidate vertical plane (not shown) of a candidate electronic device in a pointing direction (hereinafter referred to as a candidate pointing direction) and perpendicular to the ground, with the position of the candidate electronic device as an axis, is on both sides of the candidate pointing direction. Rotating the second reference angle VA2s will define A first candidate viewing angle space is generated, and the source electronic device 120-c is located in the first candidate viewing angle space.

In the eighteenth embodiment of the process 308, the foregoing first predetermined condition is that the source pointing direction Dc forms a fourth reference angle with the first reference shift direction Dss1, and the first reference direction and the source pointing direction. A fifth reference angle is formed between the Dc, and the fourth reference angle and the fifth reference angle are smaller than the first reference angle of view VA1s. At the same time, a sixth reference angle is formed between the first reference reverse direction and the candidate pointing direction of the candidate electronic device, and the sixth reference angle is smaller than the second reference angle of view VA2s, wherein the first reference reverse direction is the candidate electronic device. The location is the starting point and points to the location of the source electronic device 120-c.

When the fifth reference angle is less than the first reference viewing angle VA1s, the representative candidate electronic device is located within the source viewing angle space of the source electronic device 120-c. When the sixth reference angle is less than the second reference angle of view VA2s, the representative source electronic device 120-c is located within the first candidate viewing angle space of the candidate electronic device.

In the aspect of FIG. 10, the source is directed to the source vertical plane (not shown) where the direction Dc is located, and the position of the source electronic device 120-c (in this example, the position of the centroid Cc of the display 127-c) is Rotating the first reference viewing angle VA1s to the sides of the source pointing direction Dc defines a source viewing angle space composed of the right half reference space VRs and the left half reference space VLs. The centroid Ca of the display 127-a is located in the right half reference space VRs, and the representative electronic device 120-a is located in the right half reference space VRs. As shown in FIG. 10, the selected direction Ds points to the right half reference space VRs.

The fourth reference angle is a clip between the source pointing direction Dc and the first reference shift direction Dss1 Corner A4s. When the angle A4s is smaller than the first reference viewing angle VA1s, it represents that the selected direction Ds is directed into the source viewing angle space of the source electronic device 120-c.

When the candidate electronic device is the electronic device 120-a, the first reference direction is also the direction D1s of the centroid Ca of the display 127-a starting from the centroid Cc of the display 127-c. The judging module of the multimedia interaction module 128-c can translate the first reference direction D1s to a position starting from the position of the candidate electronic device 120-a (in this example, the position of the centroid Ca), and flipping the direction D1s by 180 degrees. To define the first reference reverse direction D1s'. At this time, the fifth reference angle is the angle A5s between the direction D1s and the source pointing direction Dc, and the sixth reference angle is the angle A6s between the first reference reverse direction D1s' and the candidate pointing direction Da of the electronic device 120-a. .

The candidate vertical plane (not shown) of the candidate pointing device Da of the candidate electronic device 120-a is taken as the axis of the position of the candidate electronic device 120-a (in this example, the position of the centroid Ca of the display 127-a) Rotating the second reference viewing angle VA2s to both sides of the candidate pointing direction Da defines a first candidate viewing angle space. As shown in FIG. 10, since the included angle A4s and the included angle A5s are both smaller than the first reference viewing angle VA1s, and the included angle A6s is smaller than the second reference viewing angle VA2s, the judging module of the multimedia interactive module 128-c is in the aforementioned seventeenth and eighteenth In an embodiment, it is determined that the position of the candidate electronic device 120-a and the relative position of the selected direction Ds in space conform to the first predetermined condition.

In the seventeenth embodiment, limiting the fifth reference angle to be smaller than the first reference viewing angle VA1s and limiting the sixth reference angle to be smaller than the second reference viewing angle VA2s is used to limit the source electronic device 120- c and the relative position of the candidate electronic device in space, must belong to or close to the face-to-face aspect, source electronic device The 120-c can select the candidate electronic device as the reference electronic device.

In practice, the aforementioned first reference viewing angle VA1s may be the same as the second reference viewing angle VA2s, or may be different from the second reference viewing angle VA2s.

When the multimedia interactive system 100 is to be manufactured, only if the relative position of the source electronic device 120-c and the candidate electronic device in the space belongs to or is close to the face-to-face aspect, the candidate electronic device can be selected as the multimedia interaction of the reference electronic device. In the case of the first predetermined condition setting method in the seventeenth or eighteenth embodiment, the candidate electronic device can be prevented from being turned away from the source electronic device 120-c, but can still be selected as the reference electronic device. The situation happened. On the other hand, with the first predetermined condition setting method in the seventeenth or eighteenth embodiment, the source electronic device 120-c can be prevented from being turned away from the candidate electronic device, and the candidate electronic device can still be selected as the reference electronic device. Unexpected conditions of the device occur.

In the nineteenth embodiment of the process 308, the foregoing first predetermined condition is that a first reference direction forms a seventh reference angle with the candidate pointing direction of the candidate electronic device, and the fourth reference angle and the foregoing The fifth reference angle is smaller than the first reference viewing angle VA1s, and the seventh reference angle is smaller than the second reference viewing angle VA2s, wherein the first shifting direction starts from the position of the candidate electronic device and is parallel to the aforementioned first reference direction.

In the twentieth embodiment of the process 308, the foregoing first predetermined condition means that the selected direction Ds is directed to the first half-side reference space, the candidate electronic device is located in the first half-side reference space, and the foregoing seventh The reference angle is less than 90 degrees.

Representing a candidate electronic device when the fifth reference angle is smaller than the first reference viewing angle VA1s 120-a is located within the source view space of source electronic device 120-c. When the seventh reference angle is less than the second reference angle of view VA2s or 90 degrees, the pointing direction Da of the candidate electronic device 120-a is somewhat representative of the source electronic device 120-c, which also represents the candidate electronic device 120- The user of a may be the user of the source electronic device 120-c at the time.

In the aspect of FIG. 11, the source is directed to the source vertical plane (not shown) where the direction Dc is located, and the position of the source electronic device 120-c (in this example, the position of the centroid Cc of the display 127-c) is Rotating the first reference viewing angle VA1s from the axis to the source pointing direction Dc, respectively, defines a source viewing angle space composed of the right half reference space VRs and the left half reference space VLs. The centroid Ca of the display 127-a is located in the right half reference space VRs, and the representative electronic device 120-a is located in the right half reference space VRs. As shown in FIG. 11, the selected direction Ds points to the right half reference space VRs.

Similarly, the fourth reference angle is an angle A4s between the source pointing direction Dc and the first reference shift direction Dss1. When the angle A4s is smaller than the first reference viewing angle VA1s, it represents that the selected direction Ds is directed into the source viewing angle space of the source electronic device 120-c.

When the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c can translate the aforementioned first reference direction D1s to the position of the candidate electronic device 120-a (in this example, the centroid) The position of Ca is the starting point to define the first shifting direction D1ss. At this time, the seventh reference angle is an angle A7s between the first shift direction D1ss and the candidate pointing direction Da of the candidate electronic device 120-a.

As shown in FIG. 11 , since the angle A4s and the angle A5s are both smaller than the first reference angle of view VA1s, and the angle A7s is smaller than the second reference angle of view VA2s and less than 90 degrees, the multimedia mutual In the foregoing nineteenth and twentieth embodiments, the judging module of the movable module 128-c determines that the position of the candidate electronic device 120-a and the relative position of the selected direction Ds in space conform to the first predetermined condition.

In the nineteenth embodiment, limiting the fifth reference angle to be smaller than the first reference viewing angle VA1s and limiting the seventh reference angle to be smaller than the second reference viewing angle VA2s is used to limit the source electronic device 120- The relative position of c and the candidate electronic device in space must be that the candidate electronic device belongs to or is close to the source electronic device 120-c, and the source electronic device 120-c belongs to or is close to the candidate electronic device. The electronic device 120-c can select the candidate electronic device as the reference electronic device.

Likewise, the aforementioned first reference viewing angle VA1s may be the same as the second reference viewing angle VA2s, or may be different from the second reference viewing angle VA2s.

When the multimedia interactive system 100 is to manufacture only the relative position of the source electronic device 120-c and the candidate electronic device in space, the candidate electronic device belongs to or is close to the source electronic device 120-c, but the source electronic device 120- When the candidate electronic device can be selected as the multimedia interactive effect of the reference electronic device, the first predetermined condition setting method in the foregoing nineteenth or twentieth embodiment is adopted when the c is in or close to the aspect of the candidate electronic device. It is possible to prevent the candidate electronic device from being oriented to the source electronic device 120-c, but still can be selected as the reference electronic device. On the other hand, by adopting the first predetermined condition setting manner in the foregoing nineteenth or twentieth embodiment, the source electronic device 120-c can be prevented from being turned away from the candidate electronic device, and the candidate electronic device can still be selected as the reference electronic device. Unexpected conditions of the device occur.

In practice, the multimedia interactive system 100 can also determine whether the relative position of the candidate electronic device and the selected direction Ds in space conforms to the first predetermined condition referred to in the foregoing process 308 according to the two-dimensional position of the candidate electronic device. The multimedia interaction system 100 can utilize the position detection circuit 110 to detect individual projection positions, shapes, and directivity of the individual electronic devices 120-a-120-n on the same reference level plane parallel to the ground. The multimedia interactive system 100 can utilize the particular geometric features of the electronic device 120, particular markers, particular elements, or projected locations of particular regions on a reference horizontal plane to represent the location of the electronic device 120 in space.

For example, the position detecting circuit 110 can detect and utilize the projection position of the centroid of the electronic device 120 on the reference horizontal plane to represent the position of the electronic device 120 in the space. Alternatively, the position detecting circuit 110 can detect and utilize the projection position of the centroid of the display 127 on the reference horizontal plane to represent the position of the electronic device 120 in space.

Similarly, the position detecting circuit 110 and the individual electronic devices 120-a~120-n can be used together to calculate the position of the individual electronic devices 120-a~120-n in space. For example, in the embodiment of FIG. 2, the position detecting circuit 110 can detect and transmit the two-dimensional coordinates of the projection positions of the plurality of reference points in the electronic device 120 on the reference horizontal plane to the electronic device 120, and interact with each other by multimedia. The determining module of the module 128 uses the control circuit 121 to calculate the centroid of the electronic device 120 or the projection position of the centroid of the display 127 on the reference horizontal surface according to the coordinates of the received plurality of reference points to represent the electronic device. 120 location in space.

Since the gyroscope is usually installed inside the electronic device 120, the control circuit 121 of the electronic device 120 can obtain the tilt angle of the electronic device 120 by using the gyroscope. In addition, The length and width of the electronic device 120, the length and width of the display 127, and the location of the display 127 in the electronic device 120 are all given values. Therefore, the determining module of the multimedia interaction module 128 can use the control circuit 121 to calculate the centroid of the electronic device 120 or the projection position of the centroid of the display 127 on the reference horizontal plane according to the coordinates of the projection position of the reference point. Represents the location of the electronic device 120 in space.

Alternatively, the determining module of the multimedia interaction module 128 can also use the control circuit 121 to calculate the specific geometry of a multimedia interactive program window (eg, a browser window) displayed on the display 127 according to the received spatial coordinates of the plurality of reference points. The projected position of the feature (e.g., center point) on the reference horizontal plane represents the position of the electronic device 120 in space. For example, in the embodiment of FIG. 2, electronic device 120-a utilizes display 127-a to display target browser window 216, and electronic device 120-b utilizes display 127-b to display target browser window 226. Since the size of the target browser window 216 displayed on the display 127-a and the relative position in the display 127-a are both set by the control circuit 121-a, they are all known parameters. Therefore, the position detecting circuit 110 can detect and transmit the two-dimensional coordinates of the projection positions of the reference points 211 to 214 in the electronic device 120-a on the reference horizontal plane to the electronic device 120-a, and the multimedia interactive module 128- The judging module of a can use the control circuit 121-a to calculate the two-dimensional coordinates of the projection position of the center point Wa of the target browser window 216 on the reference horizontal plane according to the coordinates of some or all of the reference points, to represent the electronic device 120. -a location in space. Similarly, since the size of the target browser window 226 displayed on the display 127-b and the relative position in the display 127-b are controlled by the control circuit 121-b Set, so are all known parameters. Therefore, the position detecting circuit 110 can detect and transmit the spatial coordinates of the reference points 221 to 224 in the electronic device 120-b to the electronic device 120-b, and the determining module of the multimedia interactive module 128-b can utilize the control circuit. 121-b calculates a two-dimensional coordinate of the projection position of the center point Wb of the target browser window 226 on the reference horizontal plane according to the spatial coordinates of some or all of the reference points 221 to 224, to represent the electronic device 120- b position in space.

The source electronic device 120-c further determines whether the relative position of the candidate electronic device and the selected direction Ds in space conforms to the first predetermined condition in the foregoing process 308 according to the following description of FIGS. 12-18. How the conditions work.

12 to 18 are projections of a portion of the electronic devices in the multimedia interactive system 100 on the same reference level when the user of the source electronic device 120-c indicates that the source electronic device 120-c transmits the target image object 500 in the selected direction Ds. A simplified schematic of the different aspects of the relative position. In FIGS. 12-18, the projection area of the electronic device 120-a on the reference horizontal plane is 120-ap, the projection of the display 127-a on the reference horizontal plane is the projection area 127-ap, and the centroid Ca of the display 127-a is The projection position on the reference horizontal plane is Cap. The projection of the electronic device 120-b on the reference horizontal plane is the projection area 120-bp, the projection of the display 127-b on the reference horizontal plane is the projection area 127-bp, and the projection position of the centroid Cb of the display 127-b on the reference horizontal plane. Is Cbp. The projection area of the electronic device 120-c on the reference horizontal plane is 120-cp, the projection of the display 127-c on the reference horizontal plane is the projection area 127-cp, and the projection position of the centroid Cc of the display 127-c on the reference horizontal plane is Ccp. The electronic device 120-n is cast on the reference level The projection is the projection area 120-np, the projection of the display 127-n on the reference horizontal plane is the projection area 127-np, and the projection position of the centroid Cn of the display 127-n on the reference horizontal plane is Cnp. The projection of the selected direction Ds on the reference horizontal plane is the selected projection direction Dsp. The projection of the target image object 500 on the reference horizontal plane is the target projection object 1200.

For convenience of explanation, it is assumed below that the multimedia interactive system 100 utilizes the projection position of the centroid of the display 127 on the reference horizontal plane to represent the projected position of the electronic device 120 on the reference horizontal plane.

In the twenty-first embodiment of the flow 308, the aforementioned first predetermined condition refers to a projection position of the candidate electronic device on a reference horizontal plane parallel to the ground (hereinafter referred to as a candidate projection position), which is located in the selected direction Ds. A selected projection path Psp pointed by a selected projection direction Dsp on the horizontal plane.

In the twenty-second embodiment of the flow 308, the aforementioned first predetermined condition means that the distance between the candidate projection position and the selected projection path Psp is smaller than the first predetermined distance value R1s.

In a twenty-third embodiment of the flow 308, the aforementioned first predetermined condition means that the selected projection path Psp passes through a display projection area of the display of the candidate electronic device on the reference horizontal plane.

In the aspect of FIG. 12, the selected projection direction Psp pointed by the selected direction Ds of the selected direction Ds on the reference horizontal plane passes through the projection position Cap of the centroid Ca of the display 127-a on the reference horizontal plane, representing the electronic device. The projection position Cap of 120-a on the reference horizontal plane is on the selected projection path Psp. Due to the electronic device 120-a The projection position Cap is located on the selected projection path Psp, so the distance between the projection position Cap of the electronic device 120-a and the selected projection path Psp is zero. As shown in FIG. 12, the selected projection path Psp passes through the projection area 127-np of the display 127-n, but does not pass through the projection position Cnp of the centroid Cn of the display 127-n on the reference horizontal plane, representing the electronic device 120-n. The projection position Cnp is not located on the selected projection path Psp.

Therefore, for the aspect of FIG. 12, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c is determined in the foregoing twenty-first to twenty-third embodiments. The position of the electronic device 120-a and the relative position of the selected direction Ds in the space conform to the first predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines the relative position of the electronic device 120-n and the selected direction Ds in space in the foregoing twenty-third embodiment. The position conforms to the first predetermined condition, but in the aforementioned twenty-first embodiment, it is determined that the position of the candidate electronic device 120-n and the relative position of the selected direction Ds in space do not conform to the first predetermined condition.

In the aspect of FIG. 13, the selected projection path Psp pointed by the selected projection direction Dsp passes through the projection area 127-ap of the display 127-a, but does not pass through the projection position Cap of the centroid Ca of the display 127-a, representing the electron The projection position Cap of the device 120-a is not located on the selected projection path Psp. The distance between the projection position Cap of the centroid Ca and the selected projection path Psp is G1sp, and the distance between the projection position Cap of the electronic device 120-a and the selected projection path Psp is G1sp. Further, the selected projection path Psp passes through the projection area 127-np of the display 127-n, but does not pass through the projection position Cnp of the centroid Cn of the display 127-n, and the projection position Cnp representing the electronic device 120-n is not located. The projection path Psp is selected. As shown in FIG. 13, the distance G1sp between the projection position Cap of the centroid Ca of the display 127-a and the selected projection path Psp is smaller than the first predetermined distance value R1s, but the projection position Cnp of the centroid Cn of the display 127-n is The distance between the selected projection paths Psp is significantly greater than the first predetermined distance value R1s.

Therefore, for the aspect of FIG. 13, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c is determined in the foregoing twenty-second and twenty-third embodiments. The position of the electronic device 120-a and the relative position of the selected direction Ds in space conform to the first predetermined condition, but in the aforementioned twenty-first embodiment, the position of the candidate electronic device 120-a and the selected direction Ds are determined to be The relative position in the space does not meet the first predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines the position and the selected direction of the candidate electronic device 120-n in the foregoing twenty-first and twenty-second embodiments. The relative position of the Ds in the space does not meet the first predetermined condition, but in the foregoing twenty-third embodiment, it is determined that the position of the candidate electronic device 120-n and the relative position of the selected direction Ds in the space conform to the first predetermined condition. condition.

In the twenty-fourth embodiment of the flow 308, the foregoing first predetermined condition means that the selected projection direction Dsp points to the selected projection path Psp and a strip-shaped region S1sp, and the aforementioned candidate projection position is located in the strip-shaped region S1sp, wherein The strip region S1sp is centered on the selected projection path Psp and has a width twice the first predetermined distance value R1s.

In the aspect of FIG. 13, the projection position Cap of the centroid Ca of the display 127-a is located in the strip-shaped region S1sp pointed by the selected projection direction Dsp, and the projection position Cap of the representative electronic device 120-a is located in the strip-shaped region S1sp. . Projection bit of the centroid Cn of the display 127-n The Cnp is located outside the strip region S1sp, and the projection position Cnp representing the electronic device 120-n is not located in the strip region S1sp.

Therefore, for the aspect of FIG. 13, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c determines the candidate electronic device 120 in the aforementioned twenty-fourth embodiment. The position of a and the relative position of the selected direction Ds in space conform to the first predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines the position of the candidate electronic device 120-n and the selected direction Ds in space in the foregoing twenty-fourth embodiment. The relative position does not meet the first predetermined condition.

In the twenty-fifth embodiment of the flow 308, the foregoing first predetermined condition means that the selected projection direction Dsp points to a triangular area S2sp, and the aforementioned candidate projection position is located in the triangular area S2sp, wherein the triangular area S2sp is in the selected projection path The Psp is a center line, and the projection position of the target image object 500 on the reference horizontal plane (that is, the position of the projection object 1200) is a vertex, and the vertex angle is an acute angle.

In the aspect of Fig. 14, the projection position Cap of the centroid Ca of the display 127-a is located in the triangular region S2sp, and the projection position Cap representing the electronic device 120-a is located in the triangular region S2sp. The projection position Cnp of the centroid Cn of the display 127-n is located outside the triangular region S2sp, and the projection position Cnp representing the electronic device 120-n is not located within the triangular region S2sp.

Therefore, for the aspect of FIG. 14, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c determines the candidate electronic device 120 in the foregoing twenty-fifth embodiment. The position of a and the phase of the selected direction Ds in space The position meets the first predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines the position of the candidate electronic device 120-n and the selected direction Ds in space in the foregoing twenty-fifth embodiment. The relative position does not meet the first predetermined condition.

In the twenty-sixth embodiment of the process 308, the foregoing first predetermined condition is that an eleventh reference angle between the selected projection direction Dsp and a first reference projection direction is an acute angle and is smaller than the reference angle As. The first reference projection direction is a starting position of the source electronic device 120-c at a reference horizontal plane (hereinafter referred to as a source projection position) Ccp, and the first reference projection direction is directed to the aforementioned candidate projection position.

In the aspect of FIG. 15, when the candidate electronic device is the electronic device 120-a, the first reference projection direction is based on the projection position Ccp of the centroid Cc of the display 127-c and points to the display 127-a. The projection position of the heart Ca is the projection direction D1sp of the Cap, and the eleventh reference angle is the angle A1sp between the projection direction D1sp and the selected projection direction Dsp. The smaller the angle A1sp, to some extent, the closer the projection position Cap of the candidate electronic device 120-a is to the selected projection path Psp pointed to by the selected projection direction Dsp. Therefore, if the angle A1sp is an acute angle and is smaller than the reference angle As, the judging module of the multimedia interactive module 128-c determines that the position of the electronic device 120-a and the selected direction Ds are in the space in the foregoing twenty-sixth embodiment. The relative position in the first condition is met. On the other hand, if the angle A1sp is greater than the reference angle As, the judging module of the multimedia interactive module 128-c determines the relative position of the candidate electronic device 120-a and the selected direction Ds in space in the foregoing twenty-sixth embodiment. Location does not match the first Predetermined conditions.

In the aspect of FIG. 15, when the candidate electronic device is the electronic device 120-n, the first reference projection direction is based on the projection position Ccp of the centroid Cc of the display 127-c, and is directed to the display 127-n. The projection position C2 of the heart Cn is the projection direction D2sp, and the eleventh reference angle is the angle A2sp between the projection direction D2sp and the selected projection direction Dsp. The smaller the angle A2sp, to some extent, the closer the projection position Cnp of the candidate electronic device 120-n is to the selected projection path Psp pointed to by the selected projection direction Dsp. Therefore, if the angle A2sp is an acute angle and is smaller than the reference angle As, the judging module of the multimedia interactive module 128-c determines that the position of the electronic device 120-n and the selected direction Ds are in the space in the foregoing twenty-sixth embodiment. The relative position in the first condition is met. On the other hand, if the angle A2sp is greater than the reference angle As, the judging module of the multimedia interactive module 128-c determines the relative position of the candidate electronic device 120-n and the selected direction Ds in space in the foregoing twenty-sixth embodiment. The location does not meet the first predetermined condition.

If the position of the candidate electronic device and the relative position of the selected direction Ds in space conform to the first predetermined condition in any of the foregoing twenty-first to twenty-sixth embodiments, the candidate electronic device is represented to some extent. Located within an error tolerance range near the selected path Ps pointed by the selected direction Ds. Therefore, the source electronic device 120-c can select the candidate electronic device as the reference electronic device. When the multimedia interactive system 100 is to manufacture the target image object, the source electronic device 120-c transmits the reference electronic device located near the selected path Ps pointed by the selected direction Ds, and then passes the reference electronic device to the multimedia of the other candidate electronic device. Source electronic device 120-c may select, from other electronic devices of the multimedia interactive system 100, a single candidate electronic device that satisfies the first predetermined condition in any of the foregoing twenty-first to twenty-sixth embodiments as Reference electronics.

In practice, the judging module of the multimedia interactive module 128-c can perform the foregoing process 308 on the other electronic devices in the multimedia interactive system 100 to find the candidate electronic device with the highest degree of compliance with the first predetermined condition. The module is selected as the reference electronic device. Alternatively, the selection module of the multimedia interaction module 128-c may also use the candidate electronic device as the reference electronic device after the determination module finds the first candidate electronic device that meets the determination condition of the process 308, and ends the determination module. At operation of flow 308, the position of the other electronic device and the relative position of the selected direction Ds in space are no longer determined.

In addition, when the multimedia interactive application performed by the multimedia interactive system 100 requires a lower accuracy of the determination of the relative position of the candidate electronic device and the selected direction Ds in space, the aforementioned first predetermined distance value R1s or the reference angle As may be used. Relaxation. On the contrary, when the multimedia interactive application requires high accuracy for determining the relative position of the candidate electronic device and the selected direction Ds in space, the aforementioned first predetermined distance value R1s or the reference angle As may be lowered or the second may be adopted. The first predetermined condition setting mode of the eleventh embodiment.

In the twenty-seventh embodiment of the process 308, the foregoing first predetermined condition is that a twelfth reference angle between the selected projection direction Dsp and a second reference projection direction is an acute angle, and the eleventh aforementioned The reference angle is smaller than the twelfth reference angle, wherein the second reference projection direction starts from the source projection position Ccp and points to the multimedia A projection position of a collating electronic device in the interactive system 100 on the reference horizontal plane (hereinafter referred to as a comparison projection position).

In the aspect of FIG. 15, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c selects another electronic device 120-n whose projection position is close to the selected projection path Psp as a comparison. Electronic device. At this time, the first reference projection direction is also the projection direction D1sp of the projection position Cap of the centroid Cc starting from the projection position Ccp of the centroid Cc, and the eleventh reference angle is also the projection direction D1sp and the selected projection. The angle A1sp between the directions Dsp. The second reference projection direction is the projection direction D2sp of the projection position Cnp of the centroid Cn of the display 127-n starting from the projection position Ccp of the centroid Cc of the display 127-c, and the twelfth reference angle is the projection The angle A2sp between the direction D2sp and the selected projection direction Dsp. The smaller the angle A2sp, to some extent, the closer the projection position Cnp of the collating electronic device 120-n is to the selected projection path Psp. In the aspect of FIG. 15, since the angle A1sp is an acute angle and smaller than the angle A2sp, the projection position Cap representing the candidate electronic device 120-a is closer to the selection than the projection position Cnp of the comparison electronic device 120-n. Projection path Psp. Therefore, in the foregoing twenty-seventh embodiment, the judging module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-a and the relative position of the selected direction Ds in the space meet the first predetermined condition.

In the aspect of FIG. 15, when the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c selects another electronic device 120-a whose projection position is close to the selected projection path Psp as a comparison. Electronic device. At this time, the first reference projection direction is a projection starting from the projection position Ccp of the centroid Cc and pointing to the centroid Cn. The projection direction D2sp of the position Cnp, and the eleventh reference angle is the angle A2sp between the projection direction D2sp and the selected projection direction Dsp. The second reference projection direction is a projection direction D1sp starting from the projection position Ccp of the centroid Cc and pointing to the projection position Cap of the centroid Ca, and the twelfth reference angle is between the projection direction D1sp and the selected projection direction Dsp. Angle A1sp. In the aspect of FIG. 15, since the included angle A2sp is greater than the included angle A1sp, the position of the reference electronic device 120-a is somewhat closer to the selected projection path Psp than the candidate electronic device 120-n. Therefore, in the foregoing twenty-seventh embodiment, the judging module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-n and the relative position of the selected direction Ds in the space do not conform to the first predetermined condition.

When the selection module of the multimedia interaction module 128-c selects a single candidate electronic device whose location is closest to the selected path Ps pointed to by the selected direction Ds as the reference electronic device, the foregoing twenty-seventh embodiment may be employed. The way to set the first predetermined condition.

In the twenty-eighth embodiment of the process 308, the foregoing first predetermined condition is that the projection of the source electronic device 120-c on the reference horizontal plane is a source projection area 120-cp at which the candidate electronic device is located. The projection on the top is a candidate projection area, the candidate projection position is located on the selected projection path Psp, and the section of the selected projection path Psp between the source projection area 120-cp and the candidate projection area does not touch the multimedia interaction. Projection of other electronic devices in system 100 on the reference horizontal plane.

In the twenty-ninth embodiment of the process 308, the aforementioned first predetermined condition means that the front The distance between the candidate projection position and the selected projection path Psp is smaller than the first predetermined distance value R1s, and the segment of the selected projection path Psp between the source projection area 120-cp and the candidate projection area does not touch the multimedia interaction. Projection of other electronic devices in system 100 on the reference horizontal plane.

In the thirtieth embodiment of the process 308, the foregoing first predetermined condition is that the selected projection path Psp passes through a display projection area of the display of the candidate electronic device on the reference horizontal plane, and the selected projection path Psp is at the source projection. The segment between the region 120-cp and the candidate projection region does not touch the projection of other electronic devices in the multimedia interactive system 100 on the reference horizontal plane.

In the aspect of FIG. 12, the projection of the electronic device 120-a on the reference horizontal plane is the projection area 120-ap. The projection position Psp of the selected projection path Psp passes through the centroid Ca of the display 127-a, and the projection position Cap of the electronic device 120-a is located on the selected projection path Psp, so the projection position Cap of the electronic device 120-a and the selected projection path The distance between Psp is zero.

In the foregoing aspect of FIG. 12, the section of the selected projection path Psp between the source projection area 120-cp and the projection area 120-ap of the electronic device 120-a passes through the display 127 of the electronic device 120-n. Projection area 127-np of n. This represents to some extent the blocking of the electronic device 120-n between the source electronic device 120-c and the electronic device 120-a.

Therefore, for the aspect of FIG. 12, when the candidate electronic device is the electronic device 120-a, the determining module of the multimedia interactive module 128-c determines the candidate in the foregoing twenty-eighth to thirtieth embodiments. The position of the electronic device 120-a and the selected direction Ds are The relative position in the space does not meet the first predetermined condition.

If the position of the candidate electronic device and the relative position of the selected direction Ds in space meet the first predetermined condition in any of the foregoing twenty-eighth to thirtieth embodiments, to some extent, the candidate electronic device is represented. The projection position is within an error tolerance range near the selected projection path Psp pointed by the selected projection direction Dsp, and the candidate electronic device and the source electronic device 120-c are not blocked by other electronic devices. Therefore, when the multimedia interactive system 100 is to be manufactured, only when the candidate electronic device and the source electronic device 120-c are not blocked by other electronic devices, the candidate electronic device can be selected as the multimedia interactive effect of the reference electronic device. The first predetermined condition setting manner in the foregoing twenty-eighthth to thirtieth embodiments can prevent the candidate electronic device from being blocked by other electronic devices between the source electronic device 120-c, and the candidate electronic device can still be selected. Unexpected conditions for the reference electronics occur.

In the thirty-first embodiment of the process 308, the foregoing first predetermined condition is that a thirteenth reference angle is formed between the first reference projection direction and the second reference projection direction, and the eleventh reference angle is Less than half of the angle of the thirteenth reference.

In the thirty-second embodiment of the process 308, the foregoing first predetermined condition is that the first reference line in which the second reference projection direction is located cuts the reference horizontal plane into a first reference area and a second reference. The region, the selected projection direction Dsp points to the first reference region, and the projection position of the candidate electronic device on the reference horizontal plane is located in the first reference region.

In the aspect of FIG. 16, when the candidate electronic device is the electronic device 120-a, the multimedia The judging module of the interactive module 128-c selects another electronic device 120-n whose projection position is close to the selected projection path Psp as the collating electronic device. At this time, the first reference projection direction is also the projection direction D1sp of the projection position Cap of the centroid Cc starting from the projection position Ccp of the centroid Cc, and the eleventh reference angle is also the projection direction D1sp and the selected projection. The angle A1sp between the directions Dsp. The second reference projection direction is a projection direction D2sp starting from the projection position Ccp of the centroid Cc and pointing to the projection position Cnp of the centroid Cn, and the thirteenth reference angle is an angle between the projection direction D1sp and the projection direction D2sp. A3sp. If the angle A1sp is less than half of the angle A3sp, the projection position Cap of the candidate electronic device 120-a is somewhat closer to the selected projection path Psp than the projection position Cnp of the comparison electronic device 120-n. Further, the first reference line is the reference line L2sp where the projection direction D2sp is located. The reference straight line L2sp cuts the reference horizontal plane into a first reference area SRsp and a second reference area SLsp. As shown in FIG. 16, the selected projection direction Dsp is directed to the first reference region SRsp, and the projection position Cap of the electronic device 120-a is located within the first reference region SRsp. Therefore, in the foregoing thirty-first and thirty-second embodiments, the judging module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-a and the relative position of the selected direction Ds in the space conform to the first Predetermined conditions.

When the selection module of the multimedia interaction module 128-c selects a single candidate electronic device whose projection position is closest to the selected projection path Psp pointed to by the selected projection direction Dsp, as the reference electronic device, the foregoing thirty-first may be adopted. Or the manner in the thirty-second embodiment to set the first predetermined condition.

In a thirty-third embodiment of the process 308, the aforementioned first predetermined condition means The source of the source electronic device 120-c is directed to the direction Dc of the reference plane Dc (hereinafter referred to as the source pointing projection direction Dcp), and the source projection position Ccp is rotated to the source to the projection direction Dcp. The reference viewing angle VA1s defines a source viewing angle region, and the source pointing projection direction Dcp cuts the source viewing angle region into a first half side reference area and a second half side reference area, and the selected projection direction Dsp points to the first half side reference area. And the candidate electronic device is located in the first half side reference area. At the same time, the candidate pointing direction of the candidate electronic device is a projection direction on the reference horizontal plane (hereinafter referred to as a candidate pointing projection direction), and the candidate projection position is taken as an axis, and the second reference viewing angle VA2s is rotated to both sides of the candidate pointing projection direction. A first candidate viewing area is defined, and the source projection position Ccp is located in the first candidate viewing area.

In the thirty-fourth embodiment of the process 308, the foregoing first predetermined condition means that a 14th reference angle is formed between the source pointing projection direction Dcp and the selected projection direction Dsp, and the aforementioned first reference projection direction and source pointing A fifteenth reference angle is formed between the projection directions Dcp, and the fourteenth reference angle and the fifteenth reference angle are smaller than the first reference angle of view VA1s. At the same time, a first reference back projection direction and a candidate pointing projection direction of the candidate electronic device form a sixteen reference angle, and the sixteenth reference angle is smaller than the second reference angle of view VA2s, wherein the first reference back projection The direction starts from the candidate projection position and points to the source projection position Ccp.

When the fifteenth reference angle is smaller than the first reference viewing angle VA1s, the representative candidate projection position is located within the source viewing angle region of the source electronic device 120-c. When the sixteenth reference angle is smaller than the second reference angle of view VA2s, the source of the source electronic device 120-c is represented The shadow location Ccp is located within the first candidate viewing angle region of the candidate electronic device.

In the aspect of FIG. 17, the source pointing projection direction Dcp is rotated from the source projection position Ccp to the source toward the projection direction Dcp, and the first reference viewing angle VA1s is rotated, and the right half reference region VRsp and the left half are defined. A source view area composed of the reference area VLsp. The projection position Cap of the centroid Ca of the display 127-a is located in the right half reference area VRsp, and the projection position representing the electronic device 120-a is located in the right half reference area VRsp. As shown in FIG. 17, the selected projection direction Dsp points to the right half reference area VRsp.

The fourteenth reference angle is an angle A4sp between the source pointing projection direction Dcp and the selected projection direction Dsp. When the angle A4sp is smaller than the first reference viewing angle VA1s, the selected projection direction Dsp is directed into the source viewing angle region of the source electronic device 120-c.

When the candidate electronic device is the electronic device 120-a, the first reference projection direction is also the projection direction D1sp of the projection position Cap of the centroid Ca starting from the projection position Ccp of the centroid Cc. The judging module of the multimedia interaction module 128-c can translate the projection direction D1sp to the starting position of the projection position of the candidate electronic device 120-a (in this example, the projection position Cap of the centroid Ca), and flip the direction D1sp by 180. Degree to define the first reference back projection direction D1sp'. At this time, the fifteenth reference angle is the angle A5sp between the direction D1sp and the source pointing projection direction Dcp, and the sixteenth reference angle is the first reference back projection direction D1sp' and the candidate pointing projection direction Dap of the electronic device 120-a. The angle between the A6sp.

The candidate of the candidate electronic device 120-a points to the projection direction Dap, with the candidate projection position of the candidate electronic device 120-a (in this example, the projection position of the centroid Ca of the display 127-a) Set Cap) as the axis, and rotate the second reference angle of view VA2s to both sides of the candidate pointing projection direction Dap, and define a first candidate viewing angle region. As shown in FIG. 17, since the angle A4sp and the angle A5sp are both smaller than the first reference angle of view VA1s, and the angle A6sp is smaller than the second reference angle of view VA2s, the judgment module of the multimedia interaction module 128-c is in the foregoing thirty-third and third. In the fourteenth embodiment, it is determined that the position of the candidate electronic device 120-a and the relative position of the selected direction Ds in space conform to the first predetermined condition.

In the thirty-third embodiment, the fifteenth reference angle is limited to be smaller than the first reference viewing angle VA1s, and the sixteenth reference angle is limited to be smaller than the second reference viewing angle VA2s, which is used to limit the source electrons. The relative position of both the device 120-c and the candidate electronic device in space must belong to or be close to the face-to-face aspect, and the source electronic device 120-c can select the candidate electronic device as the reference electronic device.

In practice, the aforementioned first reference viewing angle VA1s may be the same as the second reference viewing angle VA2s, or may be different from the second reference viewing angle VA2s.

When the multimedia interactive system 100 is to be manufactured, only if the relative position of the source electronic device 120-c and the candidate electronic device in the space belongs to or is close to the face-to-face aspect, the candidate electronic device can be selected as the multimedia interaction of the reference electronic device. In the effect, the first predetermined condition setting manner in the foregoing thirty-third or thirty-fourth embodiment can avoid that the candidate electronic device faces away from the source electronic device 120-c, but can still be selected as the reference electronic device. Unexpected circumstances have occurred. On the other hand, by adopting the first predetermined condition setting manner in the foregoing thirteenth or thirty-fourth embodiment, the source electronic device 120-c can be prevented from being turned away from the candidate electronic device, and the candidate electronic device can still be selected as Unexpected conditions of the reference electronics occur.

In the thirty-fifth embodiment of the process 308, the foregoing first predetermined condition is that the first reference projection direction forms a seventeenth reference angle with the candidate pointing direction of the candidate electronic device, and the fourteenth reference angle is And the aforementioned fifteenth reference angle is smaller than the first reference viewing angle VA1s, and the seventeenth reference angle is smaller than the second reference viewing angle VA2s.

In the thirty-sixth embodiment of the process 308, the foregoing first predetermined condition is that the selected projection direction Dsp is directed to the first half-side reference area, and the candidate projection position of the candidate electronic device is located in the first half-side reference area. And the aforementioned seventeenth reference angle is less than 90 degrees.

When the fifteenth reference angle is smaller than the first reference viewing angle VA1s, the representative candidate projection position is located within the source viewing angle region of the source electronic device 120-c. When the seventeenth reference angle is smaller than the second reference angle of view VA2s or 90 degrees, the candidate pointing projection direction Dap representing the candidate electronic device 120-a to some extent is the source projection area 120 facing away from the source electronic device 120-c. Cp, which also means that the user of the candidate electronic device 120-a may be the user of the source electronic device 120-c at the time.

In the aspect of FIG. 18, the source pointing projection direction Dcp is rotated from the source projection position Ccp to the source toward the projection direction Dcp, and the first reference viewing angle VA1s is rotated, and the right half reference region VRsp and the left half are defined. A source view area composed of the reference area VLsp. The projection position Cap of the centroid Ca of the display 127-a is located in the right half reference area VRsp, and the projection position representing the electronic device 120-a is located in the right half reference area VRsp. As shown in FIG. 18, the selected projection direction Dsp points to the right half reference area VRsp.

Similarly, the fourteenth reference angle is the angle A4sp between the source pointing projection direction Dcp and the selected projection direction Dsp. When the angle A4sp is smaller than the first reference viewing angle VA1s, the selected projection direction Dsp is directed into the source viewing angle region of the source electronic device 120-c.

When the candidate electronic device is the electronic device 120-a, the seventeenth reference angle is an angle A7sp between the projection direction D1sp and the candidate pointing projection direction Dap of the candidate electronic device 120-a.

As shown in FIG. 18, since the angle A4sp and the angle A5sp are both smaller than the first reference angle of view VA1s, and the angle A7sp is smaller than the second reference angle of view VA2s and less than 90 degrees, the judgment module of the multimedia interaction module 128-c is in the foregoing third. In the fifteenth and thirty-sixth embodiments, it is determined that the position of the candidate electronic device 120-a and the relative position of the selected direction Ds in space conform to the first predetermined condition.

In the thirty-fifth embodiment, the fifteenth reference angle is limited to be smaller than the first reference viewing angle VA1s, and the seventeenth reference angle is limited to be smaller than the second reference viewing angle VA2s, which is used to limit the source electrons. The relative position of both the device 120-c and the candidate electronic device in space must be the state in which the candidate electronic device belongs to or is close to the source electronic device 120-c, and the source electronic device 120-c belongs to or is close to the candidate electronic device. Similarly, the source electronic device 120-c can select the candidate electronic device as the reference electronic device.

Likewise, the aforementioned first reference viewing angle VA1s may be the same as the second reference viewing angle VA2s, or may be different from the second reference viewing angle VA2s.

When the multimedia interactive system 100 is to manufacture only the relative position of the source electronic device 120-c and the candidate electronic device in space, the candidate electronic device belongs to or is close to the back. In the case where the source electronic device 120-c, but the source electronic device 120-c belongs to or is close to the aspect facing the candidate electronic device, when the candidate electronic device can be selected as the multimedia interactive effect of the reference electronic device, the aforementioned thirtieth is adopted. The first predetermined condition setting manner in the fifth or thirty-sixth embodiment can prevent the candidate electronic device from facing the source electronic device 120-c, but can still be selected as the reference electronic device. On the other hand, by adopting the first predetermined condition setting manner in the foregoing thirty-fifth or thirty-sixth embodiment, the source electronic device 120-c can be prevented from being turned away from the candidate electronic device, and the candidate electronic device can still be selected as Unexpected conditions of the reference electronics occur.

As described above, the target direction determining module of the multimedia interactive module 128-c determines a target direction Dt according to the position of the reference electronic device and the selected direction Ds in the foregoing process 312. For convenience of explanation, it is assumed below that the selection module of the multimedia interaction module 128-c selects the electronic device 120-a as the reference electronic device in the foregoing process 310.

The manner in which the source electronic device 120-c determines the target direction in the foregoing flow 312 will be further described below with reference to FIGS. 19-21.

19-21 are simplified views of different aspects of the relative positions of the source electronic device 120-c and the reference electronic device 120-a in space.

The target direction decision module of the multimedia interaction module 128-c can translate the selected direction Ds to a position starting from the position of the reference electronic device 120-a to define a second reference shift direction Dss2 that is parallel to the selected direction Ds. As described above, the judging module of the multimedia interactive module 128-c can use the specific geometric features of the reference electronic device 120-a, the specific logo. The location of the reference electronic device 120-a in space, the particular component, the particular region, the particular geometric feature of the display 127-a, or the location of the particular geometric feature of the particular display region on the display 127-a in space. For convenience of explanation, it is also assumed here that the judging module of the multimedia interactive module 128-c utilizes the position of the centroid Ca of the display 127-a to represent the position of the reference electronic device 120-a in space.

In the aspect of FIGS. 19 to 21, a fourth reference angle A4s of less than 180 degrees is formed between the second reference shift direction Dss2 and the pointing direction Da of the reference electronic device 120-a. The target direction determining module of the multimedia interactive module 128-c can set the position of the reference electronic device 120-a as the starting point of the target direction Dt, and form a direction between the target direction Dt and the pointing direction Da of the reference electronic device 120-a. The fifth reference angle A5s.

In practice, the fifth reference angle A5s may be a complementary angle of the fourth reference angle A4s. In addition, the target direction determining module of the multimedia interaction module 128-c can set the target direction Dt on the spatial plane where both the pointing direction Da and the second reference shifting direction Dss2 of the reference electronic device 120-a are located.

As shown in FIG. 19 to FIG. 21, when the pointing direction Da of the reference electronic device 120-a is changed, the target direction Dt defined by the target direction determining module of the multimedia interactive module 128-c may also be changed.

The operation of the source electronic device 120-c in the foregoing process 414 is further described below in conjunction with FIGS. 22-30.

22~30 are different positions of the electronic devices in the multimedia interactive system 100 in the space when the user of the source electronic device 120-c indicates that the source electronic device 120-c transmits the target image object 500 in the selected direction Ds. Simplified schematic .

In practice, the source electronic device 120-c can determine whether the relative position of the candidate electronic device and the target direction Dt in space conforms to the second predetermined condition referred to in the foregoing process 414, according to the three-dimensional position of the candidate electronic device.

In the first embodiment of the flow 414, the aforementioned second predetermined condition means that the candidate electronic device must be located on a target path Pt pointed by the target direction Dt.

In the second embodiment of the flow 414, the aforementioned second predetermined condition means that the distance between the position of the candidate electronic device and the target path Pt is less than a first predetermined value R1.

In a third embodiment of the flow 414, the aforementioned second predetermined condition means that the target path Pt passes through any position of the display on the candidate electronic device.

In the fourth embodiment of the flow 414, the foregoing second predetermined condition means that the candidate electronic device is located on a target vertical plane (not shown) where the target path Pt is located and perpendicular to the ground.

In the fifth embodiment of the flow 414, the aforementioned second predetermined condition means that the distance between the position of the candidate electronic device and the aforementioned target vertical plane is smaller than the first predetermined value R1.

In the aspect of FIG. 22, the target path Pt pointed by the target direction Dt passes through the centroid Cb of the display 127-b, and the representative electronic device 120-b is located on the target path Pt, and is also located at the target vertical plane where the target path Pt is located. on. Since the electronic device 120-b is located on the target path Pt and the target vertical plane, the distance between the position of the electronic device 120-b and the target path Pt is zero, and the position of the electronic device 120-b is between the target and the target vertical plane. The distance is also zero. As shown in FIG. 22, the target path Pt passes through the display 127-n, but does not pass through the centroid Cn of the display 127-n, indicating that the electronic device 120-n is not located at the target path. On Pt, it is not located on the target vertical plane where the target path Pt is located.

Therefore, for the aspect of FIG. 22, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c determines the electronic in the first to fifth embodiments of the foregoing process 414. The relative position of the position of the device 120-b and the target direction Dt in space conforms to the second predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines the position of the electronic device 120-n and the target direction Dt in space in the third embodiment of the foregoing process 414. The relative position meets the second predetermined condition, but in the first or fourth embodiment of the foregoing process 414, the determining module of the multimedia interaction module 128-c determines that the position and target direction Dt of the candidate electronic device 120-n is in space. The relative position in the middle does not meet the second predetermined condition.

In the aspect of FIG. 23, the target path Pt pointed by the target direction Dt passes through the area of the display 127-b, but does not pass through the centroid Cb of the display 127-b, indicating that the electronic device 120-b is not located on the target path Pt. It is not located on the target vertical plane where the target path Pt is located. The distance between the centroid Cb and the target path Pt is G1, and the distance between the position of the electronic device 120-b and the target path Pt is G1. In addition, the target path Pt passes through the peripheral area of the electronic device 120-n, but does not pass through the area of the display 127-n, and the representative electronic device 120-n is not located on the target path Pt, nor is it located at the target vertical plane where the target path Pt is located. on. As shown in FIG. 23, the distance G1 between the centroid Cb of the display 127-b and the target path Pt is smaller than the first predetermined value R1, but the distance between the centroid Cn of the display 127-n and the target path Pt is conspicuous. Greater than the first predetermined value R1.

Therefore, for the aspect of FIG. 23, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c is in the second, third, and fifth embodiments of the foregoing process 414, It is determined that the relative position of the position of the electronic device 120-b and the target direction Dt in space conforms to the second predetermined condition, but in the first and fourth embodiments of the foregoing flow 414, the candidate electronic device 120-b is determined. The relative position of the position and target direction Dt in the space does not meet the second predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines the position and target direction of the candidate electronic device 120-n in the first to fifth embodiments of the foregoing process 414. The relative position in space does not meet the second predetermined condition.

In the sixth embodiment of the flow 414, the foregoing second predetermined condition means that the candidate electronic device is located in a columnar region S1 pointed by the target direction Dt, wherein the columnar region S1 has the target direction Dt as an axis and a radius. It is the first predetermined value R1.

In the aspect of Fig. 23, the centroid Cb of the display 127-b is located in the columnar region S1 to which the target direction Dt is directed, and the representative electronic device 120-b is located in the columnar region S1. The centroid Cn of the display 127-n is located outside the columnar region S1, and the representative electronic device 120-n is not located in the columnar region S1.

Therefore, for the aspect of FIG. 23, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c determines the candidate electronic device 120 in the sixth embodiment of the foregoing process 414. The relative position of the position of -b and the target direction Dt in space conforms to the second predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines that the position and the target direction Dt of the candidate electronic device 120-n are in the space in the sixth embodiment of the foregoing process 414. The relative position in the middle does not meet the second predetermined condition.

In the seventh embodiment of the flow 414, the foregoing second predetermined condition means that the candidate electronic device is located in a pyramidal or cone region S2 pointed by the target direction Dt, wherein the tapered region S2 is in the target direction. Dt is the axis, the position of the reference electronic device 120-a is the apex, and the apex angle is an acute angle. In practice, the tapered region S2 may be a conical or pyramidal region.

In the aspect of Fig. 24, the tapered region S2 is a conical region, and the centroid Cb of the display 127-b is located in the tapered region S2, and the representative electronic device 120-b is located in the tapered region S2. The centroid Cn of the display 127-n is located outside the tapered region S2, indicating that the electronic device 120-n is not located within the tapered region S2.

Therefore, for the aspect of FIG. 24, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c determines the candidate electronic device 120 in the seventh embodiment of the foregoing process 414. The relative position of the position of -b and the target direction Dt in space conforms to the second predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-n and the target direction Dt are in space in the seventh embodiment of the foregoing process 414. The relative position does not meet the second predetermined condition.

In the eighth embodiment of the flow 414, the foregoing second predetermined condition is that a first angle between the target direction Dt and a first direction is an acute angle and less than a critical angle Ath, wherein the first direction is referenced The location of the electronic device 120-a is the starting point and is directed to the location of the candidate electronic device.

In the aspect of FIG. 25, when the candidate electronic device is the electronic device 120-b, the first party The direction is D1 from the centroid Ca of the display 127-a and directed to the centroid Cb of the display 127-b. The line L1 pointed by the direction D1 passes through the centroid Cb of the display 127-b. The first angle is the angle A1 between the direction D1 and the target direction Dt. The smaller the angle A1 is, to some extent, the closer the position of the candidate electronic device 120-b is to the target path Pt pointed by the target direction Dt. Therefore, if the angle A1 is an acute angle and is smaller than the critical angle Ath, the judging module of the multimedia interaction module 128-c determines that the position and the target direction Dt of the electronic device 120-b are in the eighth embodiment of the foregoing flow 414. The relative position in the space conforms to the second predetermined condition. On the other hand, if the angle A1 is greater than the critical angle Ath, the determining module of the multimedia interaction module 128-c determines that the position of the candidate electronic device 120-b and the target direction Dt are in space in the eighth embodiment of the foregoing process 414. The relative position does not meet the second predetermined condition.

In the aspect of FIG. 25, when the candidate electronic device is the electronic device 120-n, the first direction is the direction D2 of the centroid Cn of the display 127-n starting from the centroid Ca of the display 127-a. The line L2 pointed by the direction D2 passes through the centroid Cn of the display 127-n. The first angle is the angle A2 between the direction D2 and the target direction Dt. The smaller the angle A2 is, to some extent, the closer the position of the candidate electronic device 120-n is to the target path Pt pointed by the target direction Dt. Therefore, if the angle A2 is an acute angle and is smaller than the critical angle Ath, the determining module of the multimedia interactive module 128-c determines that the position and the target direction Dt of the electronic device 120-n are in the eighth embodiment of the foregoing flow 414. The relative position in the space conforms to the second predetermined condition. On the other hand, if the angle A2 is greater than the critical angle Ath, the determining module of the multimedia interactive module 128-c determines the position and target direction of the candidate electronic device 120-n in the eighth embodiment of the foregoing process 414. The relative position of Dt in space does not meet the second predetermined condition.

In the aspect illustrated in FIG. 25 and subsequent sections, if the centroids Ca, Cb, and Cn are not on the same spatial plane, the target directions Dt, D1, and D2 are not in the same spatial plane. on.

If the position of the candidate electronic device and the relative position of the target direction Dt in space conform to any of the second predetermined conditions of the foregoing first to eighth embodiments, to some extent, the candidate electronic device is located in the target direction Dt. Within an error tolerance range near the target path Pt. Therefore, when the multimedia interactive system 100 is to manufacture the target image object from the source electronic device 120-c to the reference electronic device 120-a and then rebound to the multimedia interactive effect of the candidate electronic device, the first to eighth embodiments are used. The second predetermined condition setting manner can prevent the candidate electronic device from being too far away from the target path Pt pointed by the target direction Dt, but can still receive an unexpected situation of the target image object.

In addition, when the multimedia interactive application performed by the multimedia interactive system 100 requires a lower accuracy of the determination of the relative position of the candidate electronic device and the target direction Dt in space, the aforementioned first predetermined value R1 or critical angle Ath may be relaxed. . On the other hand, when the multimedia interactive application requires high accuracy for determining the relative position of the candidate electronic device and the target direction Dt in space, the aforementioned first predetermined value R1 or critical angle Ath may be lowered, or the process 414 may be adopted. The second predetermined condition setting mode of the first embodiment.

In the ninth embodiment of the flow 414, the second predetermined condition is that a second angle between the target direction Dt and a second direction is an acute angle, and the first angle is small. The second angle is the second direction starting from the position of the reference electronic device 120-a and pointing to the position of a third electronic device in the multimedia interactive system 100.

In the aspect of FIG. 26, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c selects another electronic device 120-n that is close to the target path Pt as the third electronic device. . At this time, the first direction is also the direction D1 of the centroid Cb of the display 127-b starting from the centroid Ca of the display 127-a, and the first angle is also between the direction D1 and the target direction Dt. Angle A1. The second direction is the direction D2 of the centroid Cn of the display 127-n starting from the centroid Ca of the display 127-a, and the second angle is the angle A2 between the direction D2 and the target direction Dt. The smaller the angle A2 is, to some extent, the closer the position of the third electronic device 120-n is to the target path Pt pointed by the target direction Dt. In the aspect of FIG. 26, since the included angle A1 is an acute angle and smaller than the included angle A2, the position of the candidate electronic device 120-b is represented to some extent closer to the target direction Dt than the third electronic device 120-n. Target path Pt. Therefore, in the ninth embodiment of the foregoing process 414, the judging module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-b and the relative position of the target direction Dt in the space meet the second predetermined condition.

In the aspect of FIG. 26, when the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c selects another electronic device 120-b that is close to the target path Pt as the third electronic device. . At this time, the first direction is the direction D2 of the centroid Cn of the display 127-n starting from the centroid Ca of the display 127-a, and the first angle is the angle A2 between the direction D2 and the target direction Dt. . The second direction is the direction from the centroid Ca of the display 127-a and points to the centroid Cb of the display 127-b. D1, and the second angle is the angle A1 between the direction D1 and the target direction Dt. In the aspect of FIG. 26, since the angle A2 is larger than the angle A1, the position of the third electronic device 120-b is somewhat closer to the target path Pt pointed by the target direction Dt than the candidate electronic device 120-n. Therefore, in the ninth embodiment of the foregoing process 414, the judging module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-n and the relative position of the target direction Dt in the space do not meet the second predetermined condition.

When the multimedia interactive system 100 is to manufacture a single candidate electronic device having only the target path Pt pointed to by the target direction Dt, the multimedia interactive effect of the target image object or the target command transmitted by the source electronic device 120-c can be received. By adopting the second predetermined condition setting manner in the foregoing ninth embodiment, the target image object or the target instruction transmitted by the source electronic device 120-c can be avoided, and an unexpected situation received by the plurality of candidate electronic devices occurs.

In the tenth embodiment of the flow 414, the foregoing second predetermined condition means that the candidate electronic device is located on the target path Pt, and the segment of the target path Pt between the reference electronic device 120-a and the candidate electronic device does not Access to other electronic devices in the multimedia interactive system 100.

In the eleventh embodiment of the flow 414, the foregoing second predetermined condition means that the distance between the position of the candidate electronic device and the target path Pt is smaller than the first predetermined value R1, and the target path Pt is at the reference electronic device 120- The segments between a and the candidate electronic device do not touch other electronic devices in the multimedia interactive system 100.

In a twelfth embodiment of the flow 414, the aforementioned second predetermined condition means that the target path Pt passes through the display on the candidate electronic device, and the target path Pt is at the reference electronic The section between device 120-a and the candidate electronic device does not touch other electronic devices in multimedia interactive system 100.

In the thirteenth embodiment of the process 414, the foregoing second predetermined condition means that the candidate electronic device is located on the target vertical plane where the target path Pt is located, and the target vertical plane is at the reference electronic device 120-a and the candidate electronic device. The inter-area does not touch other electronic devices in the multimedia interactive system 100.

In the fourteenth embodiment of the flow 414, the foregoing second predetermined condition means that the distance between the position of the candidate electronic device and the target vertical plane is smaller than the first predetermined value R1, and the target vertical plane is at the reference electronic device 120- The area between a and the candidate electronic device does not touch other electronic devices in the multimedia interactive system 100.

In the aspect of FIG. 27, the target path Pt pointed by the target direction Dt passes through the centroid Cb of the display 127-b, and the representative electronic device 120-b is located on the target path Pt, and is also located at the target vertical plane where the target path Pt is located. on. Since the electronic device 120-b is located on the target path Pt and the target vertical plane, the distance between the electronic device 120-b and the target path Pt is zero, and the distance between the electronic device 120-b and the target vertical plane is also zero. . Further, the target path Pt does not contact other electronic devices in the section between the reference electronic device 120-a and the electronic device 120-b. This represents to some extent between the reference electronic device 120-a and the electronic device 120-b, and is not blocked by other electronic devices.

Therefore, for the aspect of FIG. 27, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c is determined in the tenth to fourteenth embodiments of the foregoing flow 414. The position of the candidate electronic device 120-b and the relative position of the target direction Dt in space conform to the second predetermined condition.

Compared with FIG. 27, in the foregoing aspect of FIG. 22, the segment of the target path Pt between the reference electronic device 120-a and the electronic device 120-b passes through the display 127-n of the electronic device 120-n. Area. This represents to some extent the blocking of the electronic device 120-n between the reference electronic device 120-a and the electronic device 120-b.

Therefore, for the aspect of FIG. 22, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c is determined in the tenth to fourteenth embodiments of the foregoing flow 414. The position of the candidate electronic device 120-b and the relative position of the target direction Dt in space do not conform to the second predetermined condition.

If the position of the candidate electronic device and the relative position of the target direction Dt in space conform to the second predetermined condition in any of the foregoing tenth to fourteenth embodiments, the candidate electronic device is located to the target direction to some extent. An error tolerance range near the target path Pt pointed by Dt, and the candidate electronic device and the reference electronic device 120-a are not blocked by other electronic devices. Therefore, when the multimedia interactive system 100 is to be manufactured, the target image object can be transmitted from the source electronic device 120-c to the reference electronic device 120 only if the candidate electronic device and the reference electronic device 120-a are not blocked by other electronic devices. -a. When the multimedia interaction effect to the candidate electronic device is rebounded again, the candidate electronic device and the reference electronic device 120-a can be avoided by using the second predetermined condition setting manner in the tenth to fourteenth embodiments of the foregoing process 414. Blocked by other electronic devices, the candidate electronic device can still receive unexpected events of the target image object.

In the fifteenth embodiment of the flow 414, the second predetermined condition is that the first direction and the second direction form a third angle, and the first The angle is less than half of the third angle.

In the sixteenth embodiment of the flow 414, the foregoing second predetermined condition means that the second vertical surface (not shown), where the second direction is located and perpendicular to the ground, cuts the space into a first side space. And a second side space, the target direction Dt points to the first side space, and the candidate electronic device is located in the first side space.

In the aspect of FIG. 28, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c selects another electronic device 120-n that is close to the target path Pt as the third electronic device. . At this time, the first direction is also the direction D1 of the centroid Cb of the display 127-b starting from the centroid Ca of the display 127-a, and the first angle is also between the direction D1 and the target direction Dt. Angle A1. The second direction is the direction D2 of the centroid Cn of the display 127-n starting from the centroid Ca of the display 127-a, and the third angle is the angle A3 between the direction D1 and the direction D2. If the angle A1 is less than half of the angle A3, the position of the candidate electronic device 120-b is represented to some extent closer to the target path Pt pointed by the target direction Dt than the third electronic device 120-n. In addition, a second vertical surface (not shown) of the direction D2 and perpendicular to the ground cuts the space into a first side space SR and a second side space SL. As shown in FIG. 28, the target direction Dt is directed to the first side space SR, and the electronic device 120-b is located in the first side space SR. Therefore, in the fifteenth and sixteenth embodiments of the foregoing process 414, the judging module of the multimedia interactive module 128-c determines that the position of the candidate electronic device 120-b and the relative position of the target direction Dt in the space conform to the second. Predetermined conditions.

When the multimedia interactive system 100 is to be manufactured, only the position closest to the target direction Dt is pointed In the fifteenth or sixteenth embodiment of the foregoing flow 414, when a single candidate electronic device of the target path Pt can receive the multimedia interactive effect of the target image object or the target instruction transmitted by the source electronic device 120-c The second predetermined condition setting manner can prevent the target image object or the target instruction transmitted by the source electronic device 120-c from being unintended to be received by the plurality of candidate electronic devices.

In the seventeenth embodiment of the flow 414, the aforementioned second predetermined condition means that a pointing direction Da of the reference electronic device 120-a (hereinafter referred to as a reference pointing direction Da) is perpendicular to a reference vertical to the ground. a surface (not shown), rotating a first viewing angle VA1 on both sides of the reference pointing direction Da with the position of the reference electronic device 120-a as a axis defines a target viewing angle region, and the reference vertical surface cuts the target viewing angle region The first half side space and the second half side space are formed, the target direction Dt is directed to the first half side space, and the candidate electronic device is located in the first half side space.

In the eighteenth embodiment of the flow 414, the second predetermined condition is that a fourth angle is formed between the reference pointing direction Da and the target direction Dt, and a fifth angle is formed between the first direction and the reference pointing direction Da. The angle is included, and the fourth angle and the fifth angle are both smaller than the first angle of view VA1.

In the aspect of FIG. 29, the reference vertical direction (not shown) in which the reference pointing direction Da is located is the position of the reference electronic device 120-a (in this example, the position of the centroid Ca of the display 127-a). Rotating the first viewing angle VA1 from the axis to the reference pointing direction Da on both sides defines a target viewing angle region composed of the right half space VR and the left half space VL. The centroid Cb of the display 127-b is located in the right half space VR, and the representative electronic device 120-b is located in the right half space VR. As shown in Figure 29, the target direction Dt points to the right half of the space. VR. The fourth included angle is an angle A4 between the reference pointing direction Da and the target direction Dt. When the angle A4 is smaller than the first angle of view VA1, the representative target direction Dt is directed into the target viewing angle area of the reference electronic device 120-a.

For the aspect of FIG. 29, when the candidate electronic device is the electronic device 120-b, the first direction is also the direction from the centroid Ca of the display 127-a and points to the centroid Cb of the display 127-b. D1, and the fifth angle is the angle A5 between the direction D1 and the reference pointing direction Da. Since the angle A4 and the angle A5 are both smaller than the first angle of view VA1, the judging module of the multimedia interactive module 128-c determines the position of the candidate electronic device 120-b in the seventeenth and eighteenth embodiments of the foregoing flow 414. The relative position of the target direction Dt in the space meets the second predetermined condition.

As shown in FIG. 29, the centroid Cn of the display 127-n is located outside the target viewing angle area, and the representative electronic device 120-n is located outside the target viewing angle area.

For the aspect of FIG. 29, when the candidate electronic device is the electronic device 120-n, the first direction is the direction D2 of the centroid Cn of the display 127-n starting from the centroid Ca of the display 127-a. And the fifth angle is the angle A5' between the direction D2 and the reference pointing direction Da. As shown in FIG. 29, the angle A5' is greater than the first viewing angle VA1, and the electronic device 120-n is located outside the target viewing angle area. Therefore, the judging module of the multimedia interactive module 128-c is implemented in the seventeenth and eighteenth steps of the foregoing process 414. In the example, it is determined that the position of the candidate electronic device 120-n and the relative position of the target direction Dt in space do not conform to the second predetermined condition.

When the multimedia interactive system 100 is to be manufactured only if the candidate electronic device is located in the target viewing area of the reference electronic device 120-a, the candidate electronic device can receive When the multimedia interactive effect of the target image object or the target command transmitted by the source electronic device 120-c is used, the second predetermined condition setting method in the seventeenth or eighteenth embodiment may be used to avoid the source electronic device 120- The target image object or target command transmitted by c is generated by an unexpected situation received by other electronic devices located outside the target viewing angle area of the reference electronic device 120-a.

In the nineteenth embodiment of the flow 414, the foregoing second predetermined condition is that a first reverse direction forms a sixth angle with a candidate pointing direction of the candidate electronic device, and the fourth angle and the fifth angle are The first angle of view VA1 is less than the first angle of view VA1, and the sixth angle of view is less than a second angle of view VA2, wherein the first direction of the opposite direction is the starting point of the candidate electronic device and is directed to the position of the reference electronic device 120-a.

In the twentieth embodiment of the process 414, the foregoing second predetermined condition refers to a candidate vertical plane (not shown) where the candidate pointing direction of the candidate electronic device is located and perpendicular to the ground, to the position of the candidate electronic device. A second candidate viewing angle space is defined for each rotation of the second viewing angle VA2 on both sides of the candidate pointing direction. The reference electronic device 120-a is located in the second candidate viewing angle space, and the target direction Dt points to the first half-side space. And the candidate electronic device is located in the aforementioned first half side space.

When the fifth angle is smaller than the first angle of view VA1, the representative candidate electronic device is located within the target viewing angle region of the reference electronic device 120-a. When the sixth angle is smaller than the second angle of view VA2, the representative reference electronic device 120-a is located in the second candidate viewing angle space of the candidate electronic device.

In the aspect of FIG. 30, the reference is directed to the reference vertical plane (not shown) in which the direction Da is located, in the position of the reference electronic device 120-a (in this example, the centroid of the display 127-a) The position) rotates the first angle of view VA1 to the sides of the reference pointing direction Da, and also defines the target angle of view area composed of the right half space VR and the left half space VL. The centroid Cb of the display 127-b is located in the right half area VR, and the representative electronic device 120-b is located in the right half space VR. As shown in FIG. 30, the target direction Dt points to the right half space VR. The fourth included angle is an angle A4 between the reference pointing direction Da and the target direction Dt. When the angle A4 is smaller than the first angle of view VA1, the representative target direction Dt is directed into the target viewing angle area of the reference electronic device 120-a. When the candidate electronic device is the electronic device 120-b, the first direction is also the direction D1 of the centroid Cb of the display 127-b starting from the centroid Ca of the display 127-a. The fifth angle is an angle A5 between the direction D1 and the reference pointing direction Da. The judging module of the multimedia interactive module 128-c can translate the direction D1 to start with the position of the candidate electronic device 120-b (in this example, the position of the centroid Cb), and flip the direction D1 by 180 degrees to define The first reverse direction D1'. The sixth angle is an angle A6 between the first reverse direction D1' and the candidate pointing direction Db of the electronic device 120-b. The candidate vertical plane (not shown) where the candidate pointing direction Db of the candidate electronic device 120-b is located is the axis of the position of the candidate electronic device 120-b (in this example, the position of the centroid Cb of the display 127-b) To rotate the second viewing angle VA2 on both sides of the candidate pointing direction Db, a second candidate viewing angle space is defined. As shown in FIG. 30, since the angle A5 is smaller than the first angle of view VA1, and the angle A6 is smaller than the second angle of view VA2, the determination module of the multimedia interaction module 128-c is in the nineteenth and twentieth embodiments of the foregoing flow 414. It is determined that the position of the candidate electronic device 120-b and the relative position of the target direction Dt in space conform to the second predetermined condition. In a nineteenth embodiment of the flow 414, the fifth angle is limited to be smaller than the first angle of view VA1, and the sixth angle is limited. The manner of being smaller than the second viewing angle VA2 is for limiting the relative position of the reference electronic device 120-a and the candidate electronic device 120-b in space, and must belong to or close to the face-to-face aspect, and the source electronic device 120- c can pass the target command to the candidate electronic device 120-b to avoid strange user experience.

In practice, the aforementioned first viewing angle VA1 may be the same as the second viewing angle VA2 or different from the second viewing angle VA2.

When the multimedia interactive system 100 is to manufacture only if the relative position of the reference electronic device 120-a and the candidate electronic device in the space belongs to or is close to the face-to-face aspect, the candidate electronic device can receive the source electronic device 120-c. When the multimedia interactive effect of the target image object or the target command is transmitted, the second predetermined condition setting method in the nineteenth or twentieth embodiment of the foregoing process 414 can avoid the candidate electronic device facing away from the reference electronic device 120- a, but still can receive the unexpected situation of the target image object or target instruction from the source electronic device 120-c. On the other hand, the second predetermined condition setting manner in the nineteenth or twentieth embodiment of the foregoing process 414 can also prevent the reference electronic device 120-a from facing away from the candidate electronic device, but the candidate electronic device can still receive Unexpected conditions of the target image object or target command from the source electronic device 120-c occur.

In practice, the determining module of the multimedia interaction module 128-c can also determine whether the relative position of the candidate electronic device and the target direction Dt in the space conforms to the second process in the foregoing process 414 according to the two-dimensional position of the candidate electronic device. Predetermined conditions. As described above, the multimedia interactive system 100 can utilize the position detecting circuit 110 to detect individual projection positions of the individual electronic devices 120-a~120-n on the same reference level plane parallel to the ground. The shape, the shape of the projection area, and the directivity. The multimedia interactive system 100 can utilize the particular geometric features of the electronic device 120, particular markers, particular elements, or projected locations of particular regions on a reference horizontal plane to represent the location of the electronic device 120 in space.

The source electronic device 120-c is further described below with reference to FIGS. 31-39 to determine whether the relative position of the candidate electronic device and the target direction Dt in space conforms to the second predetermined condition in the foregoing flow 414 according to the two-dimensional position of the candidate electronic device. How the conditions work.

31 to 39 are projections of a portion of the electronic devices in the multimedia interactive system 100 on the same reference level when the user of the source electronic device 120-c indicates that the source electronic device 120-c transmits the target image object 500 in the selected direction Ds. A simplified schematic of the different aspects of the relative position. In FIGS. 31-39, the projection area of the electronic device 120-a on the reference horizontal plane is 120-ap, the projection of the display 127-a on the reference horizontal plane is the projection area 127-ap, and the centroid Ca of the display 127-a is The projection position on the reference horizontal plane is Cap. The projection of the electronic device 120-b on the reference horizontal plane is the projection area 120-bp, the projection of the display 127-b on the reference horizontal plane is the projection area 127-bp, and the projection position of the centroid Cb of the display 127-b on the reference horizontal plane. Is Cbp. The projection area of the electronic device 120-c on the reference horizontal plane is 120-cp, the projection of the display 127-c on the reference horizontal plane is the projection area 127-cp, and the projection position of the centroid Cc of the display 127-c on the reference horizontal plane is Ccp. The projection of the electronic device 120-n on the reference horizontal plane is the projection area 120-np, the projection of the display 127-n on the reference horizontal plane is the projection area 127-np, and the projection position of the centroid Cn of the display 127-n on the reference horizontal plane. For Cnp. The projection of the target direction Dt on the reference horizontal plane is the target projection direction Dtp.

For convenience of explanation, it is assumed below that the multimedia interactive system 100 utilizes the projection position of the centroid of the display 127 on the reference horizontal plane to represent the projected position of the electronic device 120 on the reference horizontal plane.

In the twenty-first embodiment of the flow 414, the foregoing second predetermined condition refers to a projection position of the candidate electronic device on a reference horizontal plane parallel to the ground (hereinafter referred to as a candidate projection position), which is located in the target direction Dt. A target projection path Ptp pointed by a target projection direction Dtp on the horizontal plane.

In the twenty-second embodiment of the flow 414, the aforementioned second predetermined condition means that the distance between the candidate projection position and the target projection path Ptp is smaller than the first predetermined value R1.

In a twenty-third embodiment of the flow 414, the aforementioned second predetermined condition means that the target projection path Ptp passes through a display projection area of the display of the candidate electronic device on the reference horizontal plane.

In the aspect of FIG. 31, the target projection direction Pt pointed by the target projection direction Dtp on the reference horizontal plane, the projection position Cbp passing through the centroid Cb of the display 127-b on the reference horizontal plane, represents the electronic device. The projection position Cbp of 120-b on the reference horizontal plane is located on the target projection path Ptp. Since the projection position Cbp of the electronic device 120-b is located on the target projection path Ptp, the distance between the projection position Cbp of the electronic device 120-b and the target projection path Ptp is zero. As shown in FIG. 31, the target projection path Ptp passes through the projection area 127-np of the display 127-n, but does not pass through the projection position Cnp of the centroid Cn of the display 127-n on the reference horizontal plane, representing the electron. The projection position Cnp of the device 120-n is not located on the target projection path Ptp.

Therefore, for the aspect of FIG. 31, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c is in the twenty-first to twenty-third embodiments of the foregoing process 414. The position of the electronic device 120-b and the relative position of the target direction Dt in the space are determined to meet the second predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines that the position and the target direction Dt of the electronic device 120-n are in the space in the twenty-third embodiment of the foregoing process 414. The relative position in the second predetermined condition is met, but in the twenty-first embodiment of the foregoing flow 414, it is determined that the position of the candidate electronic device 120-n and the relative position of the target direction Dt in the space do not conform to the second predetermined condition.

In the aspect of FIG. 32, the target projection path Ptp pointed by the target projection direction Dtp passes through the projection area 127-bp of the display 127-b, but does not pass through the projection position Cbp of the centroid Cb of the display 127-b, representing the electron The projection position Cbp of the device 120-b is not located on the target projection path Ptp. The distance between the projection position Cbp of the centroid Cb and the target projection path Ptp is G1p, and the distance between the projection position Cbp of the electronic device 120-b and the target projection path Ptp is G1p. In addition, the target projection path Ptp passes through the projection area 127-np of the display 127-n, but does not pass through the projection position Cnp of the centroid Cn of the display 127-n, and the projection position Cnp representing the electronic device 120-n is not located at the target projection path. Ptp. As shown in FIG. 32, the distance G1p between the projection position Cbp of the centroid Cb of the display 127-b and the target projection path Ptp is smaller than the first predetermined value R1, but the projection position Cnp of the centroid Cn of the display 127-n and the target The distance between the projection paths Ptp is significantly larger than the first predetermined value R1.

Therefore, for the aspect of FIG. 32, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c is in the twenty-second and twenty-third embodiments of the foregoing flow 414. It is determined that the relative position of the position of the electronic device 120-b and the target direction Dt in the space meets the second predetermined condition, but in the twenty-first embodiment of the foregoing flow 414, the candidate electronic device 120-b is determined. The relative position of the position and target direction Dt in the space does not meet the second predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines the position of the candidate electronic device 120-n in the twenty-first and twenty-second embodiments of the foregoing process 414. And the relative position of the target direction Dt in the space does not meet the second predetermined condition, but in the twenty-third embodiment of the foregoing flow 414, the position of the candidate electronic device 120-n and the target direction Dt are determined in space. The relative position meets the second predetermined condition.

In the twenty-fourth embodiment of the flow 414, the foregoing second predetermined condition means that the target projection direction Dtp points to the target projection path Ptp and a strip-shaped area S1p, and the aforementioned candidate projection position is located in the strip-shaped area S1p, wherein The strip region S1p has a target projection path Ptp as a center line and a width twice the first predetermined value R1.

In the aspect of FIG. 32, the projection position Cbp of the centroid Cb of the display 127-b is located in the strip-shaped region S1p pointed by the target projection direction Dtp, and the projection position Cbp of the representative electronic device 120-b is located in the strip-shaped region S1p. . The projection position Cnp of the centroid Cn of the display 127-n is located outside the strip region S1p, and the projection position Cnp representing the electronic device 120-n is not located in the strip region S1p.

Therefore, for the aspect of FIG. 32, when the candidate electronic device is the electronic device 120-b In the twenty-fourth embodiment of the foregoing process 414, the determining module of the multimedia interaction module 128-c determines that the position of the candidate electronic device 120-b and the relative position of the target direction Dt in the space meet the second predetermined condition. . When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines that the position and the target direction Dt of the candidate electronic device 120-n are in the twenty-fourth embodiment of the foregoing flow 414. The relative position in the space does not meet the second predetermined condition.

In the twenty-fifth embodiment of the flow 414, the foregoing second predetermined condition means that the target projection direction Dtp points to a triangular area S2p, and the aforementioned candidate projection position is located in the triangular area S2p, wherein the triangular area S2p is in the target projection path Ptp is a center line, and a projection position of the reference electronic device 120-a on a reference horizontal plane (hereinafter referred to as a reference projection position) Cap is a vertex, and an apex angle is an acute angle.

In the aspect of Fig. 33, the projection position Cbp of the centroid Cb of the display 127-b is located in the triangular area S2p, and the projection position of the representative electronic device 120-b is located in the triangular area S2p. The projection position Cnp of the centroid Cn of the display 127-n is located outside the triangular area S2p, and the projection position of the representative electronic device 120-n is not located in the triangular area S2p.

Therefore, for the aspect of FIG. 33, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c determines the candidate electronic in the twenty-fifth embodiment of the foregoing process 414. The relative position of the position of the device 120-b and the target direction Dt in space conforms to the second predetermined condition. When the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c determines the position and target direction of the candidate electronic device 120-n in the twenty-fifth embodiment of the foregoing process 414. The relative position in space does not meet the second predetermined condition.

In the twenty-sixth embodiment of the flow 414, the foregoing second predetermined condition is that an eleventh angle between the target projection direction Dtp and a first projection direction is an acute angle and less than a critical angle Ath, wherein The first projection direction starts from the reference projection position Cap, and the first projection direction points to the aforementioned candidate projection position.

In the aspect of FIG. 34, when the candidate electronic device is the electronic device 120-b, the first projection direction is based on the projection position Cap of the centroid Ca of the display 127-a, and is directed to the centroid of the display 127-b. The projection position of Cb is the projection direction D1p of Cbp, and the eleventh angle is the angle A1p between the projection direction D1p and the target projection direction Dtp. The smaller the angle A1p is, to some extent, the closer the projection position Cbp of the candidate electronic device 120-b is to the target projection path Ptp pointed by the target projection direction Dtp. Therefore, if the angle A1p is an acute angle and is smaller than the critical angle Ath, the determining module of the multimedia interactive module 128-c determines the position and target direction of the electronic device 120-b in the twenty-sixth embodiment of the foregoing flow 414. The relative position of Dt in space conforms to the second predetermined condition. On the other hand, if the angle A1p is greater than the critical angle Ath, the judging module of the multimedia interactive module 128-c determines that the position and the target direction Dt of the candidate electronic device 120-b are in the space in the twenty-sixth embodiment of the foregoing flow 414. The relative position in the middle does not meet the second predetermined condition.

In the aspect of FIG. 34, when the candidate electronic device is the electronic device 120-n, the first projection direction is based on the projection position Cap of the centroid Ca of the display 127-a, and is directed to the centroid of the display 127-n. The projection position Cn of Cn is the projection direction D2p, and the eleventh angle is the angle A2p between the projection direction D2p and the target projection direction Dtp. Angle The smaller the A2p is, to some extent, the closer the projection position Cnp of the candidate electronic device 120-n is to the target projection path Ptp pointed by the target projection direction Dtp. Therefore, if the angle A2p is an acute angle and is smaller than the critical angle Ath, the judging module of the multimedia interactive module 128-c determines the position and the target direction of the electronic device 120-n in the twenty-sixth embodiment of the foregoing flow 414. The relative position of Dt in space conforms to the second predetermined condition. On the other hand, if the angle A2p is greater than the critical angle Ath, the judging module of the multimedia interactive module 128-c determines that the position and the target direction Dt of the candidate electronic device 120-n are in the space in the twenty-sixth embodiment of the foregoing flow 414. The relative position in the middle does not meet the second predetermined condition.

If the position of the candidate electronic device and the relative position of the target direction Dt in space conform to the second predetermined condition in any of the foregoing twenty-first to twenty-sixth embodiments, the candidate electronic device is represented to some extent. It is within an error tolerance range near the target path Pt pointed by the target direction Dt. Therefore, when the multimedia interactive system 100 is to manufacture the target image object from the source electronic device 120-c to the reference electronic device 120-a and then rebound to the multimedia interactive effect of the candidate electronic device, the second eleventh process of the foregoing process 414 is adopted. To the second predetermined condition setting manner in the twenty-sixth embodiment, the distance between the candidate electronic device and the target path Pt pointed by the target direction Dt is prevented from being too far, but the unexpected situation of the target image object can still be received. occur.

In addition, when the multimedia interactive application performed by the multimedia interactive system 100 requires a lower accuracy of the determination of the relative position of the candidate electronic device and the target direction Dt in space, the aforementioned first predetermined value R1 or critical angle Ath may be relaxed. . Conversely, when The multimedia interactive application may reduce the foregoing first predetermined value R1 or the critical angle Ath when the accuracy of the determination of the relative position of the candidate electronic device and the target direction Dt in the space is high, or adopt the twenty-first embodiment. The second predetermined condition setting method.

In the twenty-seventh embodiment of the flow 414, the foregoing second predetermined condition is that a twelfth angle between the target projection direction Dtp and a second projection direction is an acute angle, and the aforementioned eleventh angle is smaller than The twelfth angle, wherein the second projection direction starts from the reference projection position Cap and points to a projection position of the third electronic device in the multimedia interactive system 100 on the reference horizontal plane (hereinafter referred to as a third projection position) .

In the aspect of FIG. 35, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c selects another electronic device 120-n whose projection position is close to the target projection path Ptp as the first Three electronic devices. At this time, the first projection direction is also the projection direction Cap of the centroid Ca, and the projection direction D1p of the projection position Cbp of the centroid Cb, and the eleventh angle is also the projection direction D1p and the target projection direction Dtp. The angle between the angles A1p. The second projection direction is the projection direction D2p of the projection position Cn of the centroid Cn of the display 127-n starting from the projection position Cap of the centroid Ca of the display 127-a, and the twelfth angle is the projection direction D2p. An angle A2p between the target projection direction Dtp. The smaller the angle A2p is, to some extent, the closer the projection position Cnp of the third electronic device 120-n is to the target projection path Ptp. In the aspect of FIG. 35, since the included angle A1p is an acute angle and smaller than the included angle A2p, the projection position Cbp of the candidate electronic device 120-b is represented to some extent to be the third power. The projection position Cnp of the sub-device 120-n is closer to the target projection path Ptp. Therefore, in the twenty-seventh embodiment of the foregoing process 414, the judging module of the multimedia interaction module 128-c determines that the position of the candidate electronic device 120-b and the relative position of the target direction Dt in the space meet the second predetermined condition. .

In the aspect of FIG. 35, when the candidate electronic device is the electronic device 120-n, the determining module of the multimedia interactive module 128-c selects another electronic device 120-b whose projection position is close to the target projection path Ptp as the first Three electronic devices. At this time, the first projection direction is the projection direction D2p of the projection position Cn of the centroid Cn starting from the projection position Cap of the centroid Ca, and the eleventh angle is between the projection direction D2p and the target projection direction Dtp. The angle A2p. The second projection direction is the projection direction D1p of the projection position Cbp of the centroid C from the projection position Cap of the centroid Ca, and the twelfth angle is the angle A1p between the projection direction D1p and the target projection direction Dtp. . In the aspect of FIG. 35, since the angle A2p is larger than the angle A1p, the position of the third electronic device 120-b is somewhat closer to the target projection path Ptp than the candidate electronic device 120-n. Therefore, in the twenty-seventh embodiment of the foregoing process 414, the judging module of the multimedia interaction module 128-c determines that the position of the candidate electronic device 120-n and the relative position of the target direction Dt in the space do not conform to the second reservation. condition.

When the multimedia interactive system 100 is to manufacture a single candidate electronic device having a projection position closest to the target projection path Ptp, in order to receive the multimedia interactive effect of the target image object or the target command transmitted by the source electronic device 120-c, the foregoing In the second predetermined condition setting manner in the twenty-seventh embodiment, the target image object or the target instruction transmitted by the source electronic device 120-c can be avoided, and the plurality of candidate electronic devices are loaded. Set the unexpected situation to be received.

In the twenty-eighth embodiment of the flow 414, the foregoing second predetermined condition is that the projection of the reference electronic device 120-a on the reference horizontal plane is a reference projection area 120-ap at which the candidate electronic device is located. The projection on the top is a candidate projection area, the aforementioned candidate projection position is located on the target projection path Ptp, and the segment of the target projection path Ptp between the reference projection area 120-ap and the candidate projection area does not touch the multimedia interaction. Projection of other electronic devices in system 100 on the reference horizontal plane.

In the twenty-ninth embodiment of the flow 414, the foregoing second predetermined condition means that the distance between the candidate projection position and the target projection path Ptp is smaller than the first predetermined value R1, and the target projection path Ptp is at the reference projection. The segment between the region 120-ap and the candidate projection region does not touch the projection of other electronic devices in the multimedia interactive system 100 on the reference horizontal plane.

In the thirtieth embodiment of the flow 414, the foregoing second predetermined condition is that the target projection path Ptp passes through a display projection area of the display of the candidate electronic device on the reference horizontal plane, and the target projection path Ptp is at the reference projection The segment between the region 120-ap and the candidate projection region does not touch the projection of other electronic devices in the multimedia interactive system 100 on the reference horizontal plane.

In the aspect of FIG. 36, the projection of the electronic device 120-b on the reference horizontal plane is a projection area of 120-bp. The target projection path Ptp passes through the projection position Cbp of the centroid Cb of the display 127-b, and the projection position Cbp of the electronic device 120-b is located on the target projection path Ptp, so the projection position Cbp of the electronic device 120-b and the target projection path Ptp The distance between them is zero. Further, the segment of the target projection path Ptp between the reference projection region 120-ap and the projection region 120-bp of the electronic device 120-b is also not in contact with the projection of other electronic devices. This represents to some extent that the reference electronic device 120-a and the electronic device 120-b are not blocked by other electronic devices.

Therefore, for the aspect of FIG. 36, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c is in the twenty-eighth to thirtieth embodiments of the foregoing process 414, It is determined that the position of the candidate electronic device 120-b and the relative position of the target direction Dt in space conform to the second predetermined condition.

Compared with FIG. 36, in the foregoing aspect of FIG. 31, the section between the target projection path Ptp between the reference projection area 120-ap and the projection area 120-bp of the electronic device 120-b passes through the electronic device 120. The projection area 127-np of the display 127-n of -n. This represents to some extent the blocking of the electronic device 120-n between the reference electronic device 120-a and the electronic device 120-b.

Therefore, for the aspect of FIG. 31, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c is in the twenty-eighth to thirtieth embodiments of the foregoing process 414, It is determined that the position of the candidate electronic device 120-b and the relative position of the target direction Dt in space do not conform to the second predetermined condition.

If the position of the candidate electronic device and the relative position of the target direction Dt in space conform to the second predetermined condition in any of the foregoing twenty-eighth to thirtieth embodiments, to some extent, represent the candidate electronic device. The projection position is within an error tolerance range near the target projection path Ptp pointed by the target projection direction Dtp, and the candidate electronic device and the reference electronic device 120-a are not blocked by other electronic devices. block. Therefore, when the multimedia interactive system 100 is to be manufactured, only if the candidate electronic device and the reference electronic device 120-a are not blocked by other electronic devices, the target image object can be transmitted from the source electronic device 120-c to the candidate electronic device. In the multimedia interaction effect, the second predetermined condition setting manner in the twenty-eighth to thirtieth embodiments of the foregoing process 414 can avoid the blocking of the other electronic devices between the candidate electronic device and the reference electronic device 120-a. The candidate electronic device can still receive an unexpected situation of the target image object.

In the thirty-first embodiment of the flow 414, the foregoing second predetermined condition means that a thirteenth angle is formed between the first projection direction and the second projection direction, and the eleventh angle is smaller than the thirteenth angle. Half of the angle.

In the thirty-second embodiment of the flow 414, the foregoing second predetermined condition is that the second reference line in which the second projection direction is located cuts the reference horizontal plane into a first side area and a second side area. The target projection direction Dtp points to the first side region, and the projection position of the candidate electronic device is located in the first side region.

In the aspect of FIG. 37, when the candidate electronic device is the electronic device 120-b, the determining module of the multimedia interactive module 128-c selects another electronic device 120-n whose projection position is close to the target projection path Ptp as the first Three electronic devices. At this time, the first projection direction is also the projection direction Cap of the centroid Ca, and the projection direction D1p of the projection position Cbp of the centroid Cb, and the eleventh angle is also the projection direction D1p and the target projection direction Dtp. The angle between the angles A1p. The second projection direction is the projection direction D2p of the projection position Cnp of the centroid Cn starting from the projection position Cap of the centroid Ca, and the thirteenth angle is the angle between the projection direction D1p and the projection direction D2p. A3p. If the angle A1p is less than half of the angle A3p, the projection position Cbp of the candidate electronic device 120-b is somewhat closer to the target projection path Ptp than the projection position Cnp of the third electronic device 120-n. Further, the second reference straight line is the reference straight line L2p where the projection direction D2p is located. The reference horizontal plane cuts the reference horizontal plane into a first side area SRp and a second side area SLp. As shown in FIG. 37, the target projection direction Dtp is directed to the first side region SRp, and the projection position Cbp of the electronic device 120-b is located within the first side region SRp. Therefore, in the thirty-first and thirty-second embodiments of the foregoing process 414, the judging module of the multimedia interactive module 128-c determines the relative position of the candidate electronic device 120-b and the target direction Dt in space. Meet the second predetermined condition.

When the multimedia interactive system 100 is to manufacture a single candidate electronic device whose projection position is closest to the target projection path Ptp pointed by the target projection direction Dtp, the multimedia of the target image object or the target instruction transmitted by the source electronic device 120-c can be received. In the interactive effect, by using the second predetermined condition setting method in the thirty-first or thirty-second embodiment of the foregoing process 414, the target image object or the target command transmitted by the source electronic device 120-c can be avoided. Unexpected situations received by the candidate electronic devices occur.

In the thirty-third embodiment of the flow 414, the aforementioned second predetermined condition refers to a projection direction of the reference pointing direction Da of the reference electronic device 120-a on the reference horizontal plane (hereinafter referred to as a reference pointing projection direction) Dap. Rotating the first viewing angle VA1 on both sides of the reference projection position Cap with the reference projection position Cap as the axis defines a target viewing angle region, and the reference pointing projection direction Dap cuts the target viewing region into a first The half-side area and the second half-side area, the target projection direction Dtp points to the first half-side area, and the aforementioned candidate projection position is located in the first half-side area.

In the thirty-fourth embodiment of the flow 414, the foregoing second predetermined condition means that a fifteenth angle is formed between the reference pointing projection direction Dap and the target projection direction Dtp, and the first projection direction and the reference pointing projection direction are formed. A fifteenth angle is formed between the Daps, and the fourteenth angle and the fifteenth angle are both smaller than the first angle of view VA1.

In the aspect of FIG. 38, the reference pointing projection direction Dap is directed to the projection direction Dap with respect to the projection position of the reference electronic device 120-a (in this example, the projection position Cap of the centroid Ca of the display 127-a). Rotating the first viewing angle VA1 on both sides defines a target viewing angle region composed of the right half region VRp and the left half region VLp. The projection position Cbp of the centroid Cb of the display 127-b is located in the right half area VRp, and the projection position of the representative electronic device 120-b is located in the right half area VRp. As shown in FIG. 38, the target projection direction Dtp points to the right half area VRp. The fourteenth angle is an angle A4p between the reference pointing projection direction Dap and the target projection direction Dtp. When the angle A4p is smaller than the first angle of view VA1, the target projection direction Dtp is directed to the target angle of view area of the reference electronic device 120-a.

For the aspect of FIG. 38, when the candidate electronic device is the electronic device 120-b, the first projection direction is also the projection direction of the projection position Cap of the centroid Ca and the projection position of the projection position Cbp of the centroid Cb. D1p, and the fifteenth angle is the angle A5p between the projection direction D1p and the reference pointing projection direction Dap. Since the angle A4p and the angle A5p are both smaller than the first angle of view VA1, the judgment module of the multimedia interaction module 128-c determines the candidate in the thirty-third and thirty-fourth embodiments of the foregoing flow 414. The position of the electronic device 120-b and the relative position of the target direction Dt in the space conform to the second predetermined condition.

As shown in FIG. 38, the projection position Cnp of the centroid Cn of the display 127-n is outside the target viewing angle area, and the projection position of the representative electronic device 120-n is outside the target viewing angle area.

For the aspect of FIG. 38, when the candidate electronic device is the electronic device 120-n, the first projection direction is the projection direction Cap of the centroid Ca, and the projection direction D2p of the projection position Cnp pointing to the centroid Cn. And the fifteenth angle is the angle A5p' between the projection direction D2p and the reference pointing projection direction Dap. Since the angle A5p' is larger than the first angle of view VA1, and the projection position of the electronic device 120-n is outside the target angle of view area, the judgment module of the multimedia interaction module 128-c is in the thirty-third and thirty-fourth portions of the foregoing flow 414. In an embodiment, it is determined that the position of the candidate electronic device 120-n and the relative position of the target direction Dt in space do not conform to the second predetermined condition.

When the multimedia interactive system 100 is to be manufactured only if the projection position of the candidate electronic device is within the target viewing angle region of the reference electronic device 120-a, the candidate electronic device can receive the target image object transmitted by the source electronic device 120-c or When the multimedia interactive effect of the target instruction is achieved, the target image object or target transmitted by the source electronic device 120-c can be avoided by using the second predetermined condition setting method in the thirty-third and thirty-fourth embodiments of the foregoing process 414. The command occurs in an unexpected situation that is received by other electronic devices outside of the target viewing area of the reference electronic device 120-a.

In the thirty-fifth embodiment of the flow 414, the foregoing second predetermined condition is that a first back projection direction and a candidate pointing direction of the candidate electronic device are at the reference horizontal plane. Forming a sixteenth angle between the upper projection direction (hereinafter referred to as the candidate pointing projection direction), the aforementioned fourteenth angle and the fifteenth angle are smaller than the first angle of view VA1, and the sixteenth angle is smaller than the second angle of view VA2, wherein the first back projection direction starts from the aforementioned candidate projection position and points to the aforementioned reference projection position Cap.

In the thirty-sixth embodiment of the flow 414, the foregoing second predetermined condition means that the candidate pointing projection direction is the axis of the candidate projection position, and the rotation of the second viewing angle VA2 on both sides of the candidate pointing projection direction is defined. a second candidate viewing area, wherein the reference projection position Cap is located in the second candidate viewing area, the target projection direction Dtp points to the first half side area, and the candidate projection position is located in the first half area Inside.

When the fifteenth angle is smaller than the first angle of view VA1, the representative candidate electronic device is located within the target viewing angle region of the reference electronic device 120-a. When the sixteenth angle is smaller than the second angle of view VA2, the representative reference electronic device 120-a is located in the second candidate viewing angle region of the candidate electronic device.

In the aspect of FIG. 39, the reference pointing projection direction Dap is directed to the projection direction Dap with respect to the projection position of the reference electronic device 120-a (in this example, the projection position Cap of the centroid Ca of the display 127-a). Rotating the first viewing angle VA1 on both sides also defines a target viewing angle region composed of the right half region VRp and the left half region VLp. The projection position Cbp of the centroid Cb of the display 127-b is located in the right half area VRp, and the projection position of the representative electronic device 120-b is located in the right half area VRp. As shown in FIG. 39, the target projection direction Dtp points to the right half area VRp. The fourteenth angle is an angle A4p between the reference pointing projection direction Dap and the target projection direction Dtp. Angle A4p is smaller than At the first viewing angle VA1, the target projection direction Dtp is directed to the target viewing angle region of the reference electronic device 120-a. When the candidate electronic device is the electronic device 120-b, the first projection direction is also the projection direction D1p of the projection position Cbp of the centroid Cb starting from the projection position Cap of the centroid Ca. The fifteenth angle is an angle A5p between the projection direction D1p and the reference pointing projection direction Dap. The judging module of the multimedia interactive module 128-c can translate the projection direction D1p to the starting position of the projection position of the candidate electronic device 120-b (in this example, the projection position Cbp of the centroid Cb), and flip the projection direction D1p 180 degrees to define the first back projection direction D1p'. The sixteenth angle is the angle A6p between the first back projection direction D1p' and the candidate pointing projection direction Dbp of the candidate electronic device 120-b. The candidate of the candidate electronic device 120-b is directed to the projection direction Dbp, and the candidate projection position Cbp is taken as an axis, and the second viewing angle VA2 is rotated to the candidate pointing direction Dbp on both sides, and a second candidate viewing angle region is defined. As shown in FIG. 39, since the angle A5p is smaller than the first angle of view VA1, and the angle A6p is smaller than the second angle of view VA2, the judgment module of the multimedia interaction module 128-c is implemented in the thirty-fifth and thirty-sixth embodiments of the foregoing flow 414. In the example, it is determined that the position of the candidate electronic device 120-b and the relative position of the target direction Dt in space conform to the second predetermined condition.

In the thirty-fifth embodiment of the flow 414, the fifteenth angle is limited to be smaller than the first angle of view VA1, and the sixteenth angle is limited to be smaller than the second angle of view VA2, which is used to limit the reference electronic device. The projection of both the 120-a and the candidate electronic device 120-b on the reference horizontal plane must belong to or be close to the face-to-face aspect, and the source electronic device 120-c can transmit the target instruction to the candidate electronic device 120-b to avoid occurrence. Strange user experience.

In practice, the aforementioned first viewing angle VA1 may be the same as the second viewing angle VA2 or different from the second viewing angle VA2.

When the multimedia interactive system 100 is to manufacture only if the relative position of both the reference electronic device 120-a and the candidate electronic device belongs to or is close to the face-to-face aspect, the candidate electronic device can receive the target transmitted by the source electronic device 120-c. When the multimedia object interaction effect of the image object or the target instruction is used, the second predetermined condition setting manner in the thirty-fifth or thirty-sixth embodiment of the foregoing process 414 can avoid the candidate electronic device facing away from the reference electronic device 120-a. However, it is still possible to receive an unexpected situation in which the target image object or target command from the source electronic device 120-c is received. On the other hand, the second predetermined condition setting manner in the thirty-fifth or thirty-sixth embodiment of the foregoing process 414 can also prevent the reference electronic device 120-a from facing away from the candidate electronic device, but the candidate electronic device can still Unexpected conditions of receiving the target image object or target command from the source electronic device 120-c occur.

As can be seen from the foregoing description, only the relative position between the three-dimensional or two-dimensional position of the reference electronic device and the selected direction Ds conforms to the first predetermined condition, and the relative position between the three-dimensional or two-dimensional position of the candidate electronic device and the target direction Dt conforms to the first In the case of two predetermined conditions, that is, when the relative positions of the source electronic device, the reference electronic device, and the candidate electronic device meet the specific requirements in the space, the source electronic device 120-c will correspond to the target image object. The target command is transmitted to the selected candidate electronic device, so that the candidate electronic device performs the multimedia operation corresponding to the target image object by using the corresponding display according to the target instruction. Therefore, by using the multimedia interaction method of FIG. 3 and FIG. 4 described above, the multimedia interactive system 100 can manufacture the target image object. The multimedia interaction effect is transmitted from the source electronic device 120-c to the reference electronic device 120-a and then rebounded to the candidate electronic device.

If the other electronic devices in the multimedia interactive system 100 do not meet the requirements of the first predetermined condition, the source electronic device 120-c will not select the reference electronic device, nor will the target command be transmitted to other electronic devices. The other electronic devices will therefore not execute the target command, thereby preventing other electronic devices from performing multimedia operations corresponding to the target image object. In addition, if the source electronic device 120-c selects one reference electronic device from the plurality of candidate electronic devices, but the other candidate electronic devices do not satisfy the requirement of the second predetermined condition, the source electronic device 120-c does not. The target command is transmitted to other candidate electronic devices to prevent other candidate electronic devices from performing multimedia operations corresponding to the target image object.

Obviously, the multimedia interaction method in FIG. 3 and FIG. 4 can effectively reduce the occurrence of non-conformity between the source electronic device 120-c and other electronic devices, and should not occur in the design of the multimedia interactive application. Rules set by the interactive app, or unintended multimedia interaction results.

In addition, using the source electronic device 120-c to determine whether the position and directivity of other electronic devices meet the second predetermined condition, the amount of calculation required by other electronic devices can be effectively reduced, thereby prolonging the battery life of other electronic devices. .

In practice, the content of the second predetermined condition in the foregoing different embodiments may be variously combined according to the design intention of the multimedia interactive application, so that the multimedia interactive system 100 can have a stronger position relative to different electronic devices in space. Ability to judge to provide a richer and more diverse user experience. For example, the foregoing process 414 can be The second predetermined condition content in the nineteenth or twentieth embodiment is combined with the second predetermined condition content in any one of the first to eighteenth embodiments of the flow 414 to form a new second predetermined condition, The second predetermined condition content in the thirty-fifth or thirty-sixth embodiment of the foregoing flow 414, and the second predetermined one of the twenty-first through thirty-fourth embodiments of the flow 414 may also be The conditional content is combined into a new second predetermined condition. The second predetermined condition content in the seventeenth or eighteenth embodiment of the foregoing flow 414 may be combined with the second predetermined condition content in any one of the first to sixteenth embodiments of the flow 414 to be new. The second predetermined condition. The second predetermined condition content in the thirty-third or thirty-fourth embodiment of the foregoing flow 414, and the second predetermined one of the twenty-first to thirty-second embodiments of the flow 414 may also be The conditional content is combined into a new second predetermined condition.

The multimedia interactive system 100 can dynamically designate one of the electronic devices 120-a~120-n as a forwarding electronic device. The forwarding electronic device is used as an instruction transmission medium between the plurality of electronic devices 120-a~120-n, so that the electronic devices 120-a~120-n can transmit multimedia interactive instructions through the forwarding electronic device without A remote central server (not shown) transmits multimedia interactive commands, thereby improving the efficiency and speed of multimedia interactive command transmission between the electronic devices 120-a~120-n. The forwarding electronic device can also be used as a transmission medium for position and directivity information between the electronic devices 120-a~120-n.

For example, in the foregoing embodiments of FIG. 3 and FIG. 4, if the multimedia interactive system 100 specifies an electronic device as the forwarding electronic device (eg, the electronic device 120-n), the forwarding electronic device may be from the position detecting circuit 110 or the like. Electronic device, dynamically receiving each power Information about the individual locations and directivity of the sub-devices in space is recorded. The electronic device can dynamically receive the information of the individual locations and directivity of all the electronic devices in the space from the forwarding electronic device in the process 304, and update the related records accordingly, thereby simplifying the individual location and directivity information of the electronic device at all. The mode of propagation between electronic devices.

In addition, some of the multimedia materials required for the interactive operation of the electronic device 120, such as a background image, an initial image object, an animation, or a parameter required to generate the foregoing multimedia material, may be generated by a multimedia interaction. The source of the instruction is provided by the electronic device, and may also be provided by other multimedia servers (not shown).

Moreover, each electronic device 120 can also display the relative positions of some or all of the electronic devices 120-a~120-n on a partial area of the respective display, and present the motion of the target image object in the local area. The related animations allow users to obtain more relevant multimedia information while participating in the multimedia interactive application to enhance the user's multimedia interactive experience.

In practice, the electronic device 120 participating in the multimedia interaction can use the display 127 to display related video content of the multimedia interaction, such as the multimedia interactive screen 4000 illustrated in FIG. As shown in FIG. 40, the multimedia interactive screen 4000 includes a main image frame 4010 displayed on a main area of the display 127, and a thumbnail picture 4020 displayed on a partial area of the display 127. The electronic device 120 can display the relative positions of some or all of the electronic devices 120-a 120-n in the thumbnail screen 4020, and present the motion related to the motion of the target image object 500 in the thumbnail screen 4020. painting. For example, the relative positions of the portraits 4021, 4022, and 4023 in the thumbnail screen 4020 can be used to represent three of the electronic devices 120-c, 120-a, 120-b, or the three electronic components participating in the multimedia interaction. The relative position of the user of the device in space. The position of the image object 4024 in the thumbnail screen 4020 can be used to represent the position of the aforementioned target image object 500. The trajectory line 4025 in the thumbnail image 4020 can be used to represent the predicted path of the motion trajectory or motion trajectory of the target image object 500 in space.

After all, the target image object 500 is only a computer image created by the multimedia interactive application. In the process of participating in the multimedia interaction, the user participating in the multimedia interaction cannot actually see the corresponding image object 500 in the space with the naked eye. Real object. Therefore, the user does not have a clear feeling of the trajectory of the target image object 500 in the virtual space. At this time, by presenting the image object 4024 corresponding to the target image object 500 and its trajectory 4025 in the thumbnail image 4020, the user can enjoy a multimedia interactive experience similar to augmented reality. The user of the electronic device 120 can also refer to the content of the thumbnail screen 4020 to determine whether to move the position or directivity of the user or the electronic device 120 to change the relative position between itself or the electronic device 120 and other electronic devices. Interactive apps create more fun.

In a practical application, the thumbnail screen 4020 displayed on the display 127 can also be used as a user control interface, so that the judgment module of the multimedia interaction module 128 can be operated according to the user's operation on the display area of the thumbnail screen 4020. The aforementioned selected direction Ds is calculated. For example, when the user clicks on a target person in the thumbnail screen 4020 In the case of a pattern, the judging module of the multimedia interactive module 128 can calculate a selected direction corresponding to the target portrait pattern, and try to use a predetermined or user-selected target image object toward the selected direction by using the foregoing method. Transfer. Alternatively, the determining module of the multimedia interaction module 128 can also calculate when the target image object is dragged from a certain starting point of the thumbnail image 4020 to a target portrait image in the thumbnail image 4020. The starting point is selected from the selected direction of the target portrait pattern, and the target image object is attempted to be transmitted in the selected direction by the foregoing method.

From the perspective of the foregoing, the multimedia interactive system 100 and the related multimedia interaction method can detect and judge the rationality of the relative positions of different electronic devices in space, and determine whether to transmit the multimedia interactive command according to the result of the judgment. The specific electronic device, or whether the specific electronic device can execute the received multimedia interactive instruction. In this way, the source of the multimedia interactive instruction can be effectively reduced. The electronic device and other electronic devices have different general user experience, should not appear in the design of the multimedia interactive application, violate the rules set by the interactive application, or Expected multimedia interaction results.

From another perspective, the aforementioned multimedia interactive system 100 and related multimedia interaction methods may cause the multimedia interactive system 100 to appear to be inconsistent with the general user experience, should not appear in the design of the multimedia interactive application, and violate the interactive application. The set rules, or multimedia interactive instructions of unintended multimedia interaction results are filtered or blocked to ensure that the multimedia interactive behavior presented by the multimedia interactive system 100 conforms to the original design intent of the multimedia interactive application. As a result, The user experience provided by the multimedia interactive system 100 can be greatly improved.

In addition, by using the source electronic device to determine whether the position and directivity of the other electronic device meet the foregoing first predetermined condition and the second predetermined condition, the amount of calculation required by other electronic devices can be effectively reduced, thereby prolonging battery usage of other electronic devices. time.

Therefore, the architecture and related methods and computer program products of the multimedia interactive system 100 proposed in this case are substantially beneficial to the development of various multimedia interactive applications between electronic devices.

Certain terms are used throughout the description and claims to refer to particular elements. However, those of ordinary skill in the art should understand that the same elements may be referred to by different nouns. The specification and the scope of patent application do not use the difference in name as the way to distinguish the components, but the difference in function of the components as the basis for differentiation. The term "including" as used in the specification and the scope of the patent application is an open term and should be interpreted as "including but not limited to". In addition, "coupled" includes any direct and indirect means of attachment herein. Therefore, if the first element is described as being coupled to the second element, the first element can be directly connected to the second element by electrical connection or wireless transmission, optical transmission or the like, or by other elements or connections. The means is indirectly electrically or signally connected to the second component.

The description of "and/or" as used herein includes any combination of one or more of the listed items. In addition, the terms of any singular are intended to include the meaning of the plural, unless otherwise specified in the specification.

Process features in certain device claims in the claims, together with the drawings and the description The contents of the operational process in the flow chart of the book are consistent. Therefore, these device claims should be understood to be a functional module architecture that implements the aforementioned solutions mainly through the computer program described in the specification, and should not be construed as a physical device that implements the solution mainly by hardware.

The above are only the preferred embodiments of the present invention, and all changes and modifications made to the claims of the present invention are intended to be within the scope of the present invention.

100‧‧‧Multimedia interactive system

110‧‧‧ position detection circuit

120‧‧‧Electronic devices

121‧‧‧Control circuit

123‧‧‧Storage device

125‧‧‧Communication circuit

127‧‧‧ display

128‧‧‧Multimedia interactive module

130‧‧‧Network

Claims (34)

A multimedia interactive system includes: a plurality of electronic devices including a source electronic device and a plurality of candidate electronic devices; a plurality of displays respectively disposed on the source electronic device and the plurality of candidate electronic devices; and a position detection The circuit is configured to dynamically detect individual locations and directivity of the plurality of electronic devices in space, and transmit information related to the detection result to at least one of the plurality of electronic devices by wireless transmission; The source electronic device dynamically receives and records information related to individual positions and directivity of the plurality of electronic devices in the space from the position detecting circuit or the plurality of candidate electronic devices by wireless transmission. When a user instructs the source electronic device to transmit a target image object in a selected direction, if the source electronic device determines a relative position of the first candidate electronic device of the plurality of candidate electronic devices in the space with the selected direction Compliance with a first predetermined condition, the source electronic device selects the first candidate electronic device as a reference a sub-device, and determining a target direction according to the location of the reference electronic device and the selected direction; wherein the source electronic device further determines a second candidate electronic device of the plurality of candidate electronic devices, in a space with the target direction Whether the relative position in the second predetermined condition is met, and only if the position of the second candidate electronic device and the relative position of the target direction in space meet the second predetermined condition, the source electronic device will a target finger corresponding to the target image object Transmitting to the second candidate electronic device, causing the second candidate electronic device to perform a multimedia operation corresponding to the target image object by using a corresponding second candidate display according to the target instruction, otherwise the source electronic device may refuse to The target command is transmitted to the second candidate electronic device. The multimedia interactive system of claim 1, wherein the second predetermined condition comprises at least one of the following conditions: the second candidate electronic device must be located on a target path pointed by the target direction; the second candidate electronic device The distance between the location and the target path is less than a first predetermined value; the target path passes through any location of the second candidate display on the second candidate electronic device; the second candidate electronic device is located at the target path And a target vertical plane perpendicular to the ground; the distance between the position of the second candidate electronic device and the target vertical plane is less than the first predetermined value; the second candidate electronic device is located at the target direction a columnar region, wherein the columnar region is oriented with the target direction and the radius is the first predetermined value; the second candidate electronic device is located in a tapered region pointed by the target direction, wherein the cone The region is oriented with the target direction as an axis, the position of the reference electronic device as a vertex, and the vertex angle is an acute angle; a first angle between the target direction and a first direction is an acute angle and less than a critical angle, wherein the first direction starts from a position of the reference electronic device and points to a position of the second candidate electronic device; a second angle between the target direction and a second direction is an acute angle, and the first angle is smaller than the second angle, wherein the second direction starts from a position of the reference electronic device and points to the plurality of electrons a location of a third electronic device in the device; the second candidate electronic device is located on the target path, and the segment of the target path between the reference electronic device and the second candidate electronic device does not contact the plurality of Other electronic devices in the electronic device; the distance between the location of the second candidate electronic device and the target path is less than the first predetermined value, and the target path is between the reference electronic device and the second candidate electronic device The segment does not touch other of the plurality of electronic devices; the target path passes through the second candidate display on the second candidate electronic device, and the target a segment between the reference electronic device and the second candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the second candidate electronic device is located on the target vertical plane where the target path is located And the area of the target vertical plane between the reference electronic device and the second candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the position of the second candidate electronic device is perpendicular to the target The distance between the distance is less than the first predetermined value, and the target vertical plane is at the reference electronic device and the second candidate The area between the electronic devices does not contact other electronic devices of the plurality of electronic devices; the first direction forms a third angle with the second direction, and the first angle is less than half of the third angle; a second vertical surface of the second direction and perpendicular to the ground cuts the space into a first side space and a second side space, the target direction is directed to the first side space, and the second candidate electronic device is located a reference vertical plane perpendicular to the ground, and a reference point of the reference electronic device, rotating from the position of the reference electronic device to each side of the reference pointing direction Defining a target viewing angle area, the reference vertical viewing area is cut into a first half side space and a second half side space, the target direction is directed to the first half side space, and the second candidate electronic device is located The first half-side space; the reference pointing direction and the target direction form a fourth angle, the first direction and the reference pointing direction form a fifth angle, and the first The angle between the angle and the fifth angle is smaller than the first angle of view; a first opposite direction forms a sixth angle with a second candidate direction of the second candidate electronic device, and the fourth angle and the fifth angle are smaller than the first angle a first angle of view, wherein the sixth angle of view is smaller than a second angle of view, wherein the first direction of the second direction is a starting point of the second candidate electronic device, and is directed to a position of the reference electronic device; and the second candidate electronic device The second candidate points in the direction and is perpendicular to the ground And a second candidate vertical plane, wherein the second candidate angle is rotated on both sides of the second candidate pointing direction by using the position of the second candidate electronic device to define a second candidate viewing space, where the reference electronic device is located In the second candidate viewing space, the target direction is directed to the first half space, and the second candidate electronic device is located in the first half space. The multimedia interactive system of claim 2, wherein the location detecting circuit is located higher than the plurality of electronic devices, and the first viewing angle is equal to the second viewing angle. The multimedia interactive system of claim 2, wherein the first predetermined condition comprises at least one of the following conditions: the first candidate electronic device is located on a selected path pointed by the selected direction; the first candidate electronic device The distance between the location and the selected path is less than a first predetermined distance value; the selected path passes through any position of a first display on the first candidate electronic device; the first candidate electronic device is located at the selected path, And a selected vertical plane perpendicular to the ground; the distance between the position of the first candidate electronic device and the selected vertical plane is less than the first predetermined distance value; the first candidate electronic device is located in the selected direction In the columnar region, wherein the columnar region has the selected direction as an axis and the radius is the first predetermined distance value; the first candidate electronic device is located in a tapered region pointed by the selected direction, The tapered region has the selected direction as an axis, the position of the target image object as a vertex, and the vertex angle as an acute angle; the selected direction is parallel to a first reference shifting direction, and the first reference shifting direction a first reference angle with a first reference direction is an acute angle and less than a reference angle, wherein the first reference shift direction and the first reference direction both start from a position of the source electronic device, and The first reference direction is directed to the position of the first candidate electronic device; a second reference angle between the first reference shift direction and a second reference direction is an acute angle, and the first reference angle is smaller than the second reference An angle, wherein the second reference direction starts from a position of the source electronic device and points to a position of a control electronic device of the plurality of electronic devices; the first candidate electronic device is located on the selected path, and the selection is a segment of the path between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; a location of the first candidate electronic device The distance between the selected paths is less than the first predetermined distance value, and the segment of the selected path between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices The selected path passes through the first display of the first candidate electronic device, and the segment of the selected path between the source electronic device and the first candidate electronic device does not contact the plurality of electronic devices Other electronic device; the first candidate electronic device is located on the selected vertical plane where the selected path is located, and The selected vertical plane does not contact other electronic devices in the area between the source electronic device and the first candidate electronic device; the location of the first candidate electronic device and the selected vertical plane The distance is less than the first predetermined distance value, and the area of the selected vertical plane between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the first reference Forming a third reference angle between the direction and the second reference direction, and the first reference angle is less than half of the third reference angle; the second reference vertical plane of the second reference direction and perpendicular to the ground is space Cutting into a first reference space and a second reference space, the selected direction is directed to the first reference space, and the first candidate electronic device is located in the first reference space; a source of the source electronic device is directed to the direction, and a vertical plane perpendicular to the ground, with the position of the source electronic device as the axis rotating toward the source pointing direction, a first reference viewing angle will be determined a source perspective space, the source vertical plane cutting the source view space into a first half side reference space and a second half side reference space, the selected direction pointing to the first half side reference space, the first candidate electronic device a first candidate vertical plane of the first candidate electronic device, the first candidate pointing direction is perpendicular to the ground, and the first candidate electronic device is located at the first candidate electronic device. Rotating a second reference angle on each side of the first candidate pointing direction defines a first candidate viewing angle space, and the source electronic device is located in the first candidate viewing angle space Forming a fourth reference angle between the source pointing direction and the first reference shift direction, the first reference direction and the source pointing direction form a fifth reference angle, the fourth reference angle and the fifth reference angle A sixth reference angle is formed between the first reference reverse direction and the first candidate pointing direction of the first candidate electronic device, and the sixth reference angle is smaller than the second reference angle, wherein The first reference reverse direction starts from a position of the first candidate electronic device and points to a position of the source electronic device; a first shift direction forms a gap with the first candidate pointing direction of the first candidate electronic device a seventh reference angle, the fourth reference angle and the fifth reference angle are smaller than the first reference angle of view, and the seventh reference angle is smaller than the second reference angle, wherein the first shift direction is the first candidate electron The position of the device is a starting point and is parallel to the first reference direction; the selected direction is directed to the first half side reference space, and the first candidate electronic device is located at the first half side reference In the space, the seventh reference angle is less than 90 degrees; a first candidate projection position of the first candidate electronic device on a reference horizontal plane parallel to the ground, a selected projection direction of the selected direction on the reference horizontal plane Pointed on a selected projection path; the distance between the first candidate projection position and the selected projection path is less than the first predetermined distance value; the selected projection path passes through the first display of the first candidate electronic device a first display projection area on the reference horizontal plane; The selected projection direction is directed to the selected projection path and a strip-shaped region, the first candidate projection position being located in the strip-shaped region, wherein the strip-shaped region is centered on the selected projection path, and the width is the first predetermined Two times the distance value; the selected projection direction is directed to a triangular region, the first candidate projection position is located in the triangular region, wherein the triangular region is centered on the selected projection path, and the target image object is at the reference horizontal plane a projection position is a vertex and an apex angle is an acute angle; an eleventh reference angle between the selected projection direction and a first reference projection direction is an acute angle and is smaller than the reference angle, wherein the first reference projection The direction is a starting point of the source of the source electronic device on the reference horizontal plane, and the first reference projection direction is directed to the first candidate projection position; a first between the selected projection direction and a second reference projection direction The twelve reference angle is an acute angle, and the eleventh reference angle is smaller than the twelfth reference angle, wherein the second reference projection a reference projection position starting from the source projection position and pointing to the comparison electronic device of the plurality of electronic devices on the reference horizontal plane; the projection of the source electronic device on the reference horizontal plane is a source projection area, The projection of the first candidate electronic device on the reference horizontal plane is a first candidate projection area, the first candidate projection position is located on the selected projection path, and the selected projection path is in the source projection area and the first candidate projection a segment between the regions that does not touch the projection of other electronic devices of the plurality of electronic devices on the reference horizontal plane; The distance between the first candidate projection position and the selected projection path is less than the first predetermined distance value, and the section of the selected projection path between the source projection area and the first candidate projection area is not accessible Projecting of the other of the plurality of electronic devices on the reference horizontal plane; the selected projection path passing through the first display projection area of the first display of the first candidate electronic device on the reference horizontal plane, and the a segment of the selected projection path between the source projection area and the first candidate projection area does not contact projections of other electronic devices of the plurality of electronic devices on the reference horizontal plane; the first reference projection direction is Forming a thirteenth reference angle between the second reference projection directions, and the eleventh reference angle is less than half of the thirteenth reference angle; a first reference line of the second reference projection direction cutting the reference horizontal plane Forming a first reference area and a second reference area, the selected projection direction is directed to the first reference area, and the first candidate projection position is In the first reference area, the source pointing direction of the source electronic device is directed to a projection direction on a source of the reference horizontal plane, and the first reference viewing angle is rotated from the source to the projection direction A source view area is defined, the source is directed to the projection direction to cut the source view area into a first half reference area and a second half side reference area, the selected projection direction is directed to the first half side reference area, the first a candidate projection position is located in the first half side reference area, and the first candidate pointing direction of the first candidate electronic device is at the reference level A first candidate on the surface is directed to the projection direction, and the first candidate projection position is used as an axis, and rotating the second reference angle to the first candidate pointing projection direction defines a first candidate viewing angle region, and the first candidate viewing angle region is defined. The source projection position is located in the first candidate viewing angle region; the source is directed to form a fourteenth reference angle between the projection direction and the selected projection direction, and the first reference projection direction forms a fifteenth reference angle with the source pointing projection direction The fourteenth reference angle and the fifteenth reference angle are smaller than the first reference angle of view, and a first reference back projection direction and the first candidate pointing direction of the first candidate electronic device form a sixteenth reference An angle that is smaller than the second reference viewing angle, wherein the first reference back projection direction starts from the first candidate projection position and points to the source projection position; the first reference projection direction and the Forming, by the first candidate pointing direction of the first candidate electronic device, a seventeenth reference angle, the fourteenth reference angle and the fifteenth reference clip Less than the first reference viewing angle, and the seventeenth reference angle is smaller than the second reference viewing angle; and the selected projection direction is directed to the first half side reference area, the first candidate projection position of the first candidate electronic device is located at the The first half of the reference area is within the reference area, and the seventeenth reference angle is less than 90 degrees. The multimedia interactive system of claim 1, wherein the second predetermined condition comprises at least one of the following conditions: the second candidate electronic device is a second candidate on a reference horizontal plane parallel to the ground Selecting a projection position, where the target direction is on a target projection path pointed by a target projection direction on the reference horizontal plane; a distance between the second candidate projection position and the target projection path is less than a first predetermined value; The target projection path passes through a second display projection area of the second candidate display of the second candidate electronic device on the reference horizontal plane; the target projection direction points to the target projection path and a strip-shaped area, the second candidate projection Positioning in the strip region, wherein the strip region is centered on the target projection path and has a width that is twice the first predetermined value; the target projection direction is directed to a triangular region, the second candidate projection position Positioned in the triangular area, wherein the triangular area is centered on the target projection path, a reference projection position of the reference electronic device on the reference horizontal plane is a vertex, and an apex angle is an acute angle; the target projection direction is An eleventh angle between the first projection directions is an acute angle and less than a critical angle, wherein the first projection side Taking the reference projection position as a starting point, and the first projection direction is directed to the second candidate projection position; a twelfth angle between the target projection direction and a second projection direction is an acute angle, and the eleventh angle is smaller than The twelfth angle, wherein the second projection direction starts from the reference projection position and points to a third projection position of the third electronic device of the plurality of electronic devices on the reference horizontal plane; the reference electron The projection of the device on the reference horizontal plane is a reference projection area, and the projection of the second candidate electronic device on the reference horizontal plane is a second candidate cast a shadow area, the second candidate projection position is located on the target projection path, and a section of the target projection path between the reference projection area and the second candidate projection area does not contact the plurality of electronic devices a projection of the other electronic device on the reference horizontal plane; a distance between the second candidate projection position and the target projection path is less than the first predetermined value, and the target projection path is in the reference projection region and the second candidate projection region a segment between the two electronic devices in the reference horizontal plane; the target projection path passing through the second candidate display of the second candidate electronic device at the reference level The second display projection area of the second display, and the segment of the target projection path between the reference projection area and the second candidate projection area does not contact other electronic devices of the plurality of electronic devices at the reference horizontal plane Projection; a first thirteenth angle formed between the first projection direction and the second projection direction, and the eleventh angle is smaller than the thirteenth clip One second reference line of the second projection direction cuts the reference horizontal plane into a first side area and a second side area, the target projection direction is directed to the first side area, and the second candidate projection position Located in the first side region; a reference pointing direction of the reference electronic device is a reference pointing projection direction on the reference horizontal plane, and a first viewing angle is rotated from the reference projection position to the two sides of the reference pointing projection direction. A target viewing angle area is defined, the reference pointing to the projection direction to cut the target viewing angle area into a first half area and a first a second half side region, the target projection direction is directed to the first half side region, and the second candidate projection position is located in the first half side region; the reference pointing direction forms a fourteenth angle between the projection direction and the target projection direction Forming a fifteenth angle between the first projection direction and the reference pointing projection direction, and the fourteenth angle and the fifteenth angle are smaller than the first angle of view; a first back projection direction and the second candidate a second candidate pointing direction of the electronic device forms a sixteenth angle between a second candidate pointing projection direction on the reference horizontal plane, the fourteenth angle and the fifteenth angle are smaller than the first angle of view, and the first The sixteen angle is smaller than a second angle of view, wherein the first back projection direction starts with the second candidate projection position and points to the reference projection position; and the second candidate points the projection direction with the second candidate projection position as an axis Rotating the second view to both sides of the second candidate pointing projection direction defines a second candidate view area, where the reference projection position is located in the second candidate view area, Projection direction pointing mark the half area of the first, second candidate and the projection position is located within the first half of region. The multimedia interactive system of claim 5, wherein the position detecting circuit is located higher than the plurality of electronic devices, and the first viewing angle is equal to the second viewing angle. The multimedia interactive system of claim 5, wherein the first predetermined condition comprises at least one of the following conditions: the first candidate electronic device is located on a selected path pointed by the selected direction; the first candidate electronic device The distance between the location and the selected path is less than a first predetermined distance value; The selected path passes through any position of a first display on the first candidate electronic device; the first candidate electronic device is located on a selected vertical plane of the selected path and perpendicular to the ground; the first candidate electronic device The distance between the position and the selected vertical plane is less than the first predetermined distance value; the first candidate electronic device is located in a columnar region pointed by the selected direction, wherein the columnar region is oriented with the selected direction And the radius is the first predetermined distance value; the first candidate electronic device is located in a tapered region pointed by the selected direction, wherein the tapered region is oriented with the selected direction as the position of the target image object a vertex, and the apex angle is an acute angle; the selected direction is parallel to a first reference shifting direction, and a first reference angle between the first reference shifting direction and a first reference direction is an acute angle and less than one a reference angle, wherein the first reference shift direction and the first reference direction both start from a position of the source electronic device, and the first reference direction points to the first candidate Position of the device; a second reference angle between the first reference shifting direction and a second reference direction is an acute angle, and the first reference angle is smaller than the second reference angle, wherein the second reference direction is The location of the source electronic device is a starting point and is directed to a location of a control electronic device of the plurality of electronic devices; the first candidate electronic device is located on the selected path, and the selected path is at the source The segment between the electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the distance between the location of the first candidate electronic device and the selected path is less than the first predetermined a distance value, and the segment of the selected path between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the selected path passes through the first candidate electronic device The first display, and the section of the selected path between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the first candidate electronic device is located at the Selecting the selected vertical plane on which the path is located, and the area of the selected vertical plane between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the first candidate The distance between the position of the electronic device and the selected vertical plane is less than the first predetermined distance value, and the selected vertical plane is at the source electronic device and the first candidate power The area between the devices does not contact other electronic devices of the plurality of electronic devices; a third reference angle is formed between the first reference direction and the second reference direction, and the first reference angle is smaller than the third reference a second reference vertical plane that is perpendicular to the ground and cuts the space into a first reference space and a second reference space, the selected direction is directed to the first reference space, and the first reference space a candidate electronic device is located in the first reference space; A source of the source electronic device is directed to a source vertical direction perpendicular to the ground, and a first reference angle of view is rotated from a position of the source electronic device to both sides of the source pointing direction to define a source perspective. Space, the source vertical plane cuts the source viewing angle into a first half side reference space and a second half side reference space, the selected direction is directed to the first half side reference space, and the first candidate electronic device is located at the first a first candidate vertical plane of the first candidate electronic device with a first candidate pointing direction and perpendicular to the ground in the half-side reference space, and the first candidate pointing to the first candidate electronic device Rotating a second reference angle on each side of the direction defines a first candidate viewing angle space, and the source electronic device is located in the first candidate viewing angle space; the source pointing direction forms a first direction with the first reference shifting direction a fourth reference angle, the first reference direction and the source pointing direction form a fifth reference angle, the fourth reference angle and the fifth reference angle are small a first reference viewing angle, a first reference opposite direction and a first reference pointing angle of the first candidate electronic device form a sixth reference angle, and the sixth reference angle is smaller than the second reference angle, wherein the a first reference reverse direction starting from a position of the first candidate electronic device and pointing to a location of the source electronic device; forming a first direction between the first shifting direction and the first candidate pointing direction of the first candidate electronic device a seventh reference angle, the fourth reference angle and the fifth reference angle are smaller than the first reference angle of view, and the seventh reference angle is smaller than the second reference angle, wherein the first shift direction is the first candidate electronic device Position from a point parallel to the first reference direction; the selected direction is directed to the first half side reference space, the first candidate electronic device is located in the first half side reference space, and the seventh reference angle is less than 90 degrees; a first candidate projection position of a first candidate electronic device on a reference horizontal plane parallel to the ground, located on a selected projection path of the selected direction pointed by a selected projection direction on the reference horizontal plane; the first candidate projection The distance between the location and the selected projection path is less than the first predetermined distance value; the selected projection path passes through a first display projection area of the first display of the first candidate electronic device on the reference horizontal plane; the selection Projecting direction is directed to the selected projection path and a strip-shaped region, wherein the first candidate projection position is located in the strip-shaped region, wherein the strip-shaped region is centered on the selected projection path, and the width is the first predetermined distance value Twice; the selected projection direction points to a triangular region, the first candidate projection position is located in the triangular region, wherein the triangle The region is centered on the selected projection path, a projection position of the target image object on the reference horizontal plane is a vertex, and an apex angle is an acute angle; a tenth between the selected projection direction and a first reference projection direction a reference angle is an acute angle and is smaller than the reference angle, wherein the first reference projection direction starts with a source projection position of the source electronic device on the reference horizontal plane, and the first reference projection direction points to the first candidate Projection position; a twelfth reference angle between the selected projection direction and a second reference projection direction An acute angle, and the eleventh reference angle is smaller than the twelfth reference angle, wherein the second reference projection direction starts from the source projection position, and the reference electronic device in the plurality of electronic devices is at the reference a reference projection position on the horizontal plane; the projection of the source electronic device on the reference horizontal plane is a source projection area, and the projection of the first candidate electronic device on the reference horizontal plane is a first candidate projection area, the first candidate a projection position is located on the selected projection path, and a section of the selected projection path between the source projection area and the first candidate projection area does not contact other electronic devices of the plurality of electronic devices at the reference level Projection; a distance between the first candidate projection position and the selected projection path is less than the first predetermined distance value, and the selected projection path is between the source projection area and the first candidate projection area, Not projecting the projection of the other of the plurality of electronic devices on the reference horizontal plane; the selected projection path passes through the The first display of a candidate electronic device is in the first display projection area on the reference horizontal plane, and the section of the selected projection path between the source projection area and the first candidate projection area does not touch the Projecting a projection of the other of the plurality of electronic devices on the reference horizontal plane; forming a thirteenth reference angle between the first reference projection direction and the second reference projection direction, and the eleventh reference angle is less than the tenth One half of the reference angle; the first reference line where the second reference projection direction is located cuts the reference horizontal plane Forming a first reference area and a second reference area, the selected projection direction is directed to the first reference area, and the first candidate projection position is located in the first reference area; the source pointing direction of the source electronic device is at the reference A source on the horizontal plane points to the projection direction, and the first reference viewing angle is defined by rotating the first reference viewing angle from the source projection position to the source toward the projection direction, and the source defines the source viewing area by pointing to the projection direction. Forming a first half side reference area and a second half side reference area, the selected projection direction is directed to the first half side reference area, the first candidate projection position is located in the first half side reference area, the first candidate electron The first candidate pointing direction of the device is a first candidate pointing projection direction on the reference horizontal plane, and the second candidate viewing angle is rotated on both sides of the first candidate pointing projection direction with the first candidate projection position as an axis Defining a first candidate viewing area, and the source projection position is in the first candidate viewing area; the source is directed to the projection side Forming a fourteenth reference angle with the selected projection direction, the first reference projection direction and the source pointing projection direction form a fifteenth reference angle, and the fourteenth reference angle and the fifteenth reference angle are smaller than the a first reference viewing angle, a first reference back projection direction and a first reference projection direction of the first candidate electronic device form a sixteen reference angle, and the sixteenth reference angle is smaller than the second reference angle. Wherein the first reference back projection direction starts with the first candidate projection position and points to the source projection position; Forming a seventeenth reference angle between the first reference projection direction and the first candidate pointing projection direction of the first candidate electronic device, the fourteenth reference angle and the fifteenth reference angle being smaller than the first reference angle of view, And the seventeenth reference angle is smaller than the second reference angle of view; and the selected projection direction is directed to the first half side reference area, the first candidate projection position of the first candidate electronic device is located in the first half side reference area And the seventeenth reference angle is less than 90 degrees. The multimedia interactive system of claim 1, wherein the first predetermined condition comprises at least one of the following conditions: the first candidate electronic device is located on a selected path pointed by the selected direction; the first candidate electronic device The distance between the location and the selected path is less than a first predetermined distance value; the selected path passes through any position of a first display on the first candidate electronic device; the first candidate electronic device is located at the selected path, And a selected vertical plane perpendicular to the ground; the distance between the position of the first candidate electronic device and the selected vertical plane is less than the first predetermined distance value; the first candidate electronic device is located in the selected direction In the columnar region, wherein the columnar region has the selected direction as an axis and the radius is the first predetermined distance value; the first candidate electronic device is located in a tapered region pointed by the selected direction, The tapered region has the selected direction as an axis, the position of the target image object as a vertex, and the vertex angle as an acute angle; the selected direction is parallel to a first reference shifting direction, and the first reference shifting direction a first reference angle with a first reference direction is an acute angle and less than a reference angle, wherein the first reference shift direction and the first reference direction both start from a position of the source electronic device, and The first reference direction is directed to the position of the first candidate electronic device; a second reference angle between the first reference shift direction and a second reference direction is an acute angle, and the first reference angle is smaller than the second reference An angle, wherein the second reference direction starts from a position of the source electronic device and points to a position of a control electronic device of the plurality of electronic devices; the first candidate electronic device is located on the selected path, and the selection is a segment of the path between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; a location of the first candidate electronic device The distance between the selected paths is less than the first predetermined distance value, and the segment of the selected path between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices The selected path passes through the first display of the first candidate electronic device, and the segment of the selected path between the source electronic device and the first candidate electronic device does not contact the plurality of electronic devices Other electronic device; the first candidate electronic device is located on the selected vertical plane where the selected path is located, and The selected vertical plane does not contact other electronic devices in the area between the source electronic device and the first candidate electronic device; the location of the first candidate electronic device and the selected vertical plane The distance is less than the first predetermined distance value, and the area of the selected vertical plane between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the first reference Forming a third reference angle between the direction and the second reference direction, and the first reference angle is less than half of the third reference angle; the second reference vertical plane of the second reference direction and perpendicular to the ground is space Cutting into a first reference space and a second reference space, the selected direction is directed to the first reference space, and the first candidate electronic device is located in the first reference space; a source of the source electronic device is directed to the direction, and a vertical plane perpendicular to the ground, with the position of the source electronic device as the axis rotating toward the source pointing direction, a first reference viewing angle will be determined a source perspective space, the source vertical plane cutting the source view space into a first half side reference space and a second half side reference space, the selected direction pointing to the first half side reference space, the first candidate electronic device a first candidate vertical plane of the first candidate electronic device, the first candidate pointing direction is perpendicular to the ground, and the first candidate electronic device is located at the first candidate electronic device. Rotating a second reference angle on each side of the first candidate pointing direction defines a first candidate viewing angle space, and the source electronic device is located in the first candidate viewing angle space Forming a fourth reference angle between the source pointing direction and the first reference shift direction, the first reference direction and the source pointing direction form a fifth reference angle, the fourth reference angle and the fifth reference angle A sixth reference angle is formed between the first reference reverse direction and the first candidate pointing direction of the first candidate electronic device, and the sixth reference angle is smaller than the second reference angle, wherein The first reference reverse direction starts from a position of the first candidate electronic device and points to a position of the source electronic device; a first shift direction forms a gap with the first candidate pointing direction of the first candidate electronic device a seventh reference angle, the fourth reference angle and the fifth reference angle are smaller than the first reference angle of view, and the seventh reference angle is smaller than the second reference angle, wherein the first shift direction is the first candidate electron The position of the device is a starting point and is parallel to the first reference direction; the selected direction is directed to the first half side reference space, and the first candidate electronic device is located at the first half side reference In the space, the seventh reference angle is less than 90 degrees; a first candidate projection position of the first candidate electronic device on a reference horizontal plane parallel to the ground, a selected projection direction of the selected direction on the reference horizontal plane Pointed on a selected projection path; the distance between the first candidate projection position and the selected projection path is less than the first predetermined distance value; the selected projection path passes through the first display of the first candidate electronic device a first display projection area on the reference horizontal plane; The selected projection direction is directed to the selected projection path and a strip-shaped region, the first candidate projection position being located in the strip-shaped region, wherein the strip-shaped region is centered on the selected projection path, and the width is the first predetermined Two times the distance value; the selected projection direction is directed to a triangular region, the first candidate projection position is located in the triangular region, wherein the triangular region is centered on the selected projection path, and the target image object is at the reference horizontal plane a projection position is a vertex and an apex angle is an acute angle; an eleventh reference angle between the selected projection direction and a first reference projection direction is an acute angle and is smaller than the reference angle, wherein the first reference projection The direction is a starting point of the source of the source electronic device on the reference horizontal plane, and the first reference projection direction is directed to the first candidate projection position; a first between the selected projection direction and a second reference projection direction The twelve reference angle is an acute angle, and the eleventh reference angle is smaller than the twelfth reference angle, wherein the second reference projection a reference projection position starting from the source projection position and pointing to the comparison electronic device of the plurality of electronic devices on the reference horizontal plane; the projection of the source electronic device on the reference horizontal plane is a source projection area, The projection of the first candidate electronic device on the reference horizontal plane is a first candidate projection area, the first candidate projection position is located on the selected projection path, and the selected projection path is in the source projection area and the first candidate projection a segment between the regions that does not touch the projection of other electronic devices of the plurality of electronic devices on the reference horizontal plane; The distance between the first candidate projection position and the selected projection path is less than the first predetermined distance value, and the section of the selected projection path between the source projection area and the first candidate projection area is not accessible Projecting of the other of the plurality of electronic devices on the reference horizontal plane; the selected projection path passing through the first display projection area of the first display of the first candidate electronic device on the reference horizontal plane, and the a segment of the selected projection path between the source projection area and the first candidate projection area does not contact projections of other electronic devices of the plurality of electronic devices on the reference horizontal plane; the first reference projection direction is Forming a thirteenth reference angle between the second reference projection directions, and the eleventh reference angle is less than half of the thirteenth reference angle; a first reference line of the second reference projection direction cutting the reference horizontal plane Forming a first reference area and a second reference area, the selected projection direction is directed to the first reference area, and the first candidate projection position is In the first reference area, the source pointing direction of the source electronic device is directed to a projection direction on a source of the reference horizontal plane, and the first reference viewing angle is rotated from the source to the projection direction A source view area is defined, the source is directed to the projection direction to cut the source view area into a first half reference area and a second half side reference area, the selected projection direction is directed to the first half side reference area, the first a candidate projection position is located in the first half side reference area, and the first candidate pointing direction of the first candidate electronic device is at the reference level A first candidate on the surface is directed to the projection direction, and the first candidate projection position is used as an axis, and rotating the second reference angle to the first candidate pointing projection direction defines a first candidate viewing angle region, and the first candidate viewing angle region is defined. The source projection position is located in the first candidate viewing angle region; the source is directed to form a fourteenth reference angle between the projection direction and the selected projection direction, and the first reference projection direction forms a fifteenth reference angle with the source pointing projection direction The fourteenth reference angle and the fifteenth reference angle are smaller than the first reference angle of view, and a first reference back projection direction and the first candidate pointing direction of the first candidate electronic device form a sixteenth reference An angle that is smaller than the second reference viewing angle, wherein the first reference back projection direction starts from the first candidate projection position and points to the source projection position; the first reference projection direction and the Forming, by the first candidate pointing direction of the first candidate electronic device, a seventeenth reference angle, the fourteenth reference angle and the fifteenth reference clip Less than the first reference viewing angle, and the seventeenth reference angle is smaller than the second reference viewing angle; and the selected projection direction is directed to the first half side reference area, the first candidate projection position of the first candidate electronic device is located at the The first half of the reference area is within the reference area, and the seventeenth reference angle is less than 90 degrees. The multimedia interactive system of claim 1, wherein the source electronic device defines a second reference shift direction parallel to the selected direction and starting from a position of the reference electronic device, such that the second reference shift Direction with the reference electronics Forming a fourth reference angle between the reference pointing directions of less than 180 degrees, the source electronic device sets the position of the reference electronic device as a starting point of the target direction, and forms a direction between the target direction and the reference pointing direction a fifth reference angle; wherein the fifth reference angle is a complementary angle of the fourth reference angle. The multimedia interactive system of claim 1, wherein the source electronic device displays the relative position of the source electronic device, the reference electronic device, and the second candidate electronic device in space in a source of the source electronic device An animation of the motion of the target image object is presented on a partial area of the display. The multimedia interactive system of claim 10, wherein the source electronic device calculates the selected direction according to the touch operation of the local area by the user. The multimedia interactive system of claim 1, wherein the source electronic device receives at least one of the position detecting circuit and the plurality of candidate electronic devices, and is related to the position and directivity of the second candidate electronic device. News. The multimedia interactive system of claim 1, wherein the plurality of electronic devices further comprise: a forwarding electronic device configured to serve as a transmission medium for instruction between the plurality of electronic devices, and a transmission medium for location and directivity information; The forwarding electronic device receives information related to the position and directivity of the second candidate electronic device from the position detecting circuit and at least one of the plurality of electronic devices, and provides the information to the source electronic device. The multimedia interactive system of any one of claims 1 to 13, wherein the position detecting circuit detects and utilizes a centroid position of the source electronic device to represent the The location of the source electronic device in space, and detecting and utilizing a location of a centroid of the second candidate electronic device to represent the location of the second candidate electronic device in space. The multimedia interactive system of any one of claims 1 to 13, wherein the position detecting circuit detects and transmits a spatial coordinate of a plurality of transmitting reference points in the source electronic device to the source electronic device, and Detecting and transmitting a spatial coordinate of a plurality of receiving reference points in the second candidate electronic device to the second candidate electronic device; wherein the source electronic device calculates the space coordinate according to the spatial coordinates of the plurality of transmitting reference points a location of the centroid of the source electronic device to represent the location of the source electronic device in space, and the second candidate electronic device calculates the second candidate electronic device according to the spatial coordinates of the plurality of receiving end reference points A location of the centroid to represent the location of the second candidate electronic device in space. The multimedia interactive system of any one of claims 1 to 13, wherein the position detecting circuit detects and transmits a spatial coordinate of a plurality of transmitting reference points in the source electronic device to the source electronic device, and Detecting and transmitting a spatial coordinate of a plurality of receiving reference points in the second candidate electronic device to the second candidate electronic device; wherein the source electronic device calculates the space coordinate according to the spatial coordinates of the plurality of transmitting reference points a centroid position of a source display of the source electronic device to represent the location of the source electronic device in space, and the second candidate electronic device calculates the second location according to the spatial coordinates of the plurality of receiving end reference points A location of a centroid of the candidate display to represent the location of the second candidate electronic device in space. The multimedia interactive system of any one of claims 1 to 13, wherein the position detecting circuit detects and transmits a spatial coordinate of a plurality of transmitting reference points in the source electronic device to the source electronic device, and Detecting and transmitting a spatial coordinate of a plurality of receiving reference points in the second candidate electronic device to the second candidate electronic device; wherein the source electronic device calculates the space coordinates according to the plurality of transmitting reference points a location of a center point of a first multimedia interactive program window displayed on a source display of the source electronic device to represent a location of the source electronic device in space, and the second candidate electronic device is based on the The spatial coordinates of the reference point of the receiving end calculate the position of the center point of a second multimedia interactive program window displayed on the second candidate display to represent the position of the second candidate electronic device in space. A computer program product stored in a non-transitory storage device of a source electronic device in a multimedia interactive system, the multimedia interactive system comprising a position detecting circuit and a plurality of electronic devices, the plurality of electronic devices including the source An electronic device and a plurality of candidate electronic devices, the source electronic device comprising a control circuit, a communication circuit, and a source display. When the control circuit executes the computer program product, the source electronic device is caused to perform a multimedia interactive operation. The computer program product comprises: a receiving module, configured to dynamically receive information related to individual positions and directivity of the plurality of electronic devices in the space by using the communication circuit; a selection module, wherein, When the user instructs the source electronic device to transmit a target image object in a selected direction, if a determination module utilizes the control circuit Determining that a first candidate electronic device of the plurality of candidate electronic devices meets a first predetermined condition in a spatially relative position of the selected direction, and the selecting module uses the control circuit to select the first candidate electronic device as a reference electronic a target direction determining module, configured to determine a target direction according to the position of the reference electronic device and the selected direction by using the control circuit; the determining module is configured to determine, by using the control circuit, one of the plurality of candidate electronic devices Whether the second candidate electronic device conforms to a second predetermined condition in a relative position of the target direction in space; and a transmitting module that only matches the position of the second candidate electronic device and the relative position of the target direction in space In the case of the second predetermined condition, the communication circuit is used to transmit a target instruction corresponding to the target image object to the second candidate electronic device, so that the second candidate electronic device uses the corresponding one according to the target instruction. The second candidate display performs a multimedia operation corresponding to the target image object, otherwise the The breaking module will refuse certain instructions to the electronic device to the second candidate. The computer program product of claim 18, wherein the second predetermined condition comprises at least one of the following conditions: the second candidate electronic device must be located on a target path pointed by the target direction; the second candidate electronic device The distance between the location and the target path is less than a first predetermined value; The target path passes through any position of the second candidate display on the second candidate electronic device; the second candidate electronic device is located on a target vertical plane where the target path is located and perpendicular to the ground; the second candidate electron The distance between the position of the device and the target vertical plane is less than the first predetermined value; the second candidate electronic device is located in a columnar region pointed by the target direction, wherein the columnar region is oriented with the target direction And the radius is the first predetermined value; the second candidate electronic device is located in a tapered region pointed by the target direction, wherein the tapered region is oriented with the target direction and the position of the reference electronic device is a vertex, and the apex angle is an acute angle; a first angle between the target direction and a first direction is an acute angle and less than a critical angle, wherein the first direction starts from a position of the reference electronic device, and points to the a second candidate electronic device; a second angle between the target direction and a second direction is an acute angle, and the first angle is smaller than the second angle, wherein the second side Starting from a position of the reference electronic device and pointing to a position of a third electronic device of the plurality of electronic devices; the second candidate electronic device is located on the target path, and the target path is at the reference electronic device The segment between the second candidate electronic devices does not contact other electronic devices of the plurality of electronic devices; The distance between the location of the second candidate electronic device and the target path is less than the first predetermined value, and the segment of the target path between the reference electronic device and the second candidate electronic device does not contact the plurality of Other electronic devices in the electronic device; the target path passes through the second candidate display on the second candidate electronic device, and the target path is not between the reference electronic device and the second candidate electronic device Accessing the other electronic devices of the plurality of electronic devices; the second candidate electronic device is located on the target vertical plane where the target path is located, and the target vertical plane is between the reference electronic device and the second candidate electronic device The inter-region does not contact other electronic devices of the plurality of electronic devices; the distance between the position of the second candidate electronic device and the target vertical plane is less than the first predetermined value, and the target vertical plane is at the reference The area between the electronic device and the second candidate electronic device does not contact other electronic devices of the plurality of electronic devices; between the first direction and the second direction Forming a third angle, and the first angle is less than half of the third angle; the second vertical plane of the second direction and perpendicular to the ground cuts the space into a first side space and a second side space, The target direction is directed to the first side space, and the second candidate electronic device is located in the first side space; a reference vertical direction of the reference electronic device is perpendicular to the ground, and the reference electronic device The position is a rotation of the first angle of view of the axis to the sides of the reference pointing direction to define a target viewing angle area, the reference vertical The target viewing area is cut into a first half space and a second half space, the target direction is directed to the first half space, and the second candidate electronic device is located in the first half space; the reference Forming a fourth angle between the pointing direction and the target direction, the first direction and the reference pointing direction form a fifth angle, and the fourth angle and the fifth angle are smaller than the first angle of view; Forming a sixth angle between the direction and a second candidate pointing direction of the second candidate electronic device, wherein the fourth angle and the fifth angle are smaller than the first angle of view, and the sixth angle is smaller than a second angle of view, where The first reverse direction is a position starting from the position of the second candidate electronic device and pointing to the position of the reference electronic device; and the second candidate pointing direction of the second candidate electronic device is located at a second position perpendicular to the ground The candidate vertical plane defines a second candidate viewing angle by rotating the second viewing angle on both sides of the second candidate pointing direction with the position of the second candidate electronic device as an axis, and the reference electronic device Second candidate to the eye space, the direction of the target point to a first half of the space, and the second candidate electronic device located within the first half of the space. The computer program product of claim 19, wherein the first perspective is equal to the second perspective. The computer program product of claim 19, wherein the first predetermined condition comprises at least one of the following conditions: the first candidate electronic device is located on a selected path pointed by the selected direction; The distance between the location of the first candidate electronic device and the selected path is less than a first predetermined distance value; the selected path passes through any position of a first display on the first candidate electronic device; the first candidate electron The device is located on a selected vertical plane of the selected path and perpendicular to the ground; the distance between the position of the first candidate electronic device and the selected vertical plane is less than the first predetermined distance value; the first candidate electronic device is located a columnar region pointed by the selected direction, wherein the columnar region has the selected direction as an axis and the radius is the first predetermined distance value; the first candidate electronic device is located in a cone pointed by the selected direction In the region, wherein the tapered region has the selected direction as an axis, the position of the target image object as a vertex, and the vertex angle is an acute angle; the selected direction is parallel to a first reference shifting direction, and the first a first reference angle between the reference shift direction and a first reference direction is an acute angle and less than a reference angle, wherein the first reference shift direction and the first reference Starting from a position of the source electronic device, and the first reference direction is directed to a position of the first candidate electronic device; a second reference angle between the first reference shifting direction and a second reference direction is An acute angle, and the first reference angle is smaller than the second reference angle, wherein the second reference direction starts from a position of the source electronic device, and points to the multiple a position of a control electronic device in the electronic device; the first candidate electronic device is located on the selected path, and the selected path is not in contact with the segment between the source electronic device and the first candidate electronic device Other electronic devices in the electronic device; the distance between the location of the first candidate electronic device and the selected path is less than the first predetermined distance value, and the selected path is between the source electronic device and the first candidate electronic device The inter-section does not contact other electronic devices of the plurality of electronic devices; the selected path passes through the first display of the first candidate electronic device, and the selected path is between the source electronic device and the first candidate A segment between the electronic devices does not contact other electronic devices of the plurality of electronic devices; the first candidate electronic device is located on the selected vertical plane where the selected path is located, and the selected vertical surface is at the source electronic device The area between the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the location of the first candidate electronic device The distance between the selected vertical planes is less than the first predetermined distance value, and the selected vertical plane does not contact other electrons in the plurality of electronic devices in a region between the source electronic device and the first candidate electronic device a third reference angle formed between the first reference direction and the second reference direction, and the first reference angle is less than half of the third reference angle; the second reference direction is perpendicular to the ground The second reference vertical plane cuts the space into a first reference space and a second reference space, the selected direction pointing The first reference space, and the first candidate electronic device is located in the first reference space; a source of the source electronic device points in a direction perpendicular to a ground perpendicular to the ground, and the position of the source electronic device is Rotating a first reference viewing angle of the axis to both sides of the source pointing direction defines a source viewing angle space, and the source vertical plane cuts the source viewing angle into a first half side reference space and a second half side reference space, The selected direction is directed to the first half-side reference space, the first candidate electronic device is located in the first half-side reference space, and a first candidate pointing direction of the first candidate electronic device is located first and perpendicular to the ground The candidate vertical plane defines a first candidate viewing angle by rotating a second reference viewing angle on both sides of the first candidate pointing direction with the position of the first candidate electronic device as an axis, and the source electronic device is located at the first In the candidate viewing angle space, the source pointing direction and the first reference shifting direction form a fourth reference angle, the first reference direction and the source pointing Forming a fifth reference angle therebetween, wherein the fourth reference angle and the fifth reference angle are smaller than the first reference angle, and a first reference reverse direction and the first candidate pointing direction of the first candidate electronic device form a a sixth reference angle, wherein the sixth reference angle is smaller than the second reference angle, wherein the first reference reverse direction starts from a position of the first candidate electronic device and points to a position of the source electronic device; Forming a seventh reference angle between the shifting direction and the first candidate pointing direction of the first candidate electronic device, the fourth reference angle and the fifth reference angle being small In the first reference viewing angle, and the seventh reference angle is smaller than the second reference viewing angle, wherein the first shifting direction starts from a position of the first candidate electronic device and is parallel to the first reference direction; The selected direction is directed to the first half side reference space, the first candidate electronic device is located in the first half side reference space, and the seventh reference angle is less than 90 degrees; the first candidate electronic device is in a reference parallel to the ground a first candidate projection position on the horizontal plane, the selected direction is on a selected projection path pointed by a selected projection direction on the reference horizontal plane; a distance between the first candidate projection position and the selected projection path is less than the a first predetermined distance value; the selected projection path passes through a first display projection area of the first display of the first candidate electronic device on the reference horizontal plane; the selected projection direction points to the selected projection path and a strip region The first candidate projection position is located in the strip region, wherein the strip region is centered on the selected projection path, and the width is a predetermined distance value is twice; the selected projection direction is directed to a triangular area, the first candidate projection position is located in the triangular area, wherein the triangular area is centered on the selected projection path, and the target image object is in the a projection position on the reference horizontal plane is a vertex, and the vertex angle is an acute angle; an eleventh reference angle between the selected projection direction and a first reference projection direction is an acute angle and is smaller than the reference angle, wherein the first The reference projection direction is based on a source projection position of the source electronic device on the reference horizontal plane And the first reference projection direction is directed to the first candidate projection position; a twelfth reference angle between the selected projection direction and a second reference projection direction is an acute angle, and the eleventh reference angle is smaller than the tenth a second reference projection angle, wherein the second reference projection direction starts from the source projection position, and points to a comparison projection position of the comparison electronic device in the plurality of electronic devices on the reference horizontal plane; the source electronic device is in the The projection on the reference horizontal plane is a source projection area, and the projection of the first candidate electronic device on the reference horizontal plane is a first candidate projection area, the first candidate projection position is located on the selected projection path, and the selected projection path is A segment between the source projection area and the first candidate projection area does not touch a projection of the other of the plurality of electronic devices on the reference horizontal plane; the first candidate projection position and the selected projection The distance between the paths is less than the first predetermined distance value, and the selected projection path is in the source projection area and the first candidate cast a segment between the regions that does not touch the projection of the other of the plurality of electronic devices on the reference horizontal plane; the selected projection path passes through the first display of the first candidate electronic device at the reference level The first display projection area of the first display, and the section of the selected projection path between the source projection area and the first candidate projection area does not contact other electronic devices of the plurality of electronic devices at the reference horizontal plane Projection; forming a thirteenth reference between the first reference projection direction and the second reference projection direction An angle of the eleventh reference angle is less than a half of the thirteenth reference angle; a first reference line where the second reference projection direction is located cuts the reference horizontal plane into a first reference area and a second reference area, Selecting a projection direction to point to the first reference area, and the first candidate projection position is located in the first reference area; the source pointing direction of the source electronic device is directed to a projection direction on a source of the reference horizontal plane, and the source projection Positioning the axis to the source to the projection direction on both sides of the rotation of the first reference viewing angle defines a source viewing angle region, the source pointing the projection direction to cut the source viewing angle region into a first half side reference region and a second half a reference area, the selected projection direction is directed to the first half-side reference area, the first candidate projection position is located in the first half-side reference area, and the first candidate pointing direction of the first candidate electronic device is on the reference horizontal plane a first candidate points to a projection direction, with the first candidate projection position as an axis, and the first candidate is directed to the projection direction Rotating the second reference viewing angle on the side defines a first candidate viewing angle region, and the source projection position is located in the first candidate viewing angle region; the source pointing to form a fourteenth reference angle between the projection direction and the selected projection direction, Forming a fifteenth reference angle between the first reference projection direction and the source pointing projection direction, the fourteenth reference angle and the fifteenth reference angle being smaller than the first reference angle of view, a first reference back projection direction and the The first candidate pointing direction of the first candidate electronic device forms a sixteenth reference angle between the projection directions, and the sixteenth reference angle is smaller than the second reference angle of view, wherein the first reference The back projection direction starts from the first candidate projection position and points to the source projection position; the first reference projection direction forms a seventeenth reference angle with the first candidate pointing projection direction of the first candidate electronic device, The fourteenth reference angle and the fifteenth reference angle are smaller than the first reference angle of view, and the seventeenth reference angle is smaller than the second reference angle; and the selected projection direction is directed to the first half reference area, the first The first candidate projection position of a candidate electronic device is located in the first half side reference region, and the seventeenth reference angle is less than 90 degrees. The computer program product of claim 18, wherein the second predetermined condition comprises at least one of the following conditions: the second candidate electronic device is located at a second candidate projection position on a reference horizontal plane parallel to the ground. The target direction is on a target projection path pointed by a target projection direction on the reference horizontal plane; the distance between the second candidate projection position and the target projection path is less than a first predetermined value; the target projection path passes through the target projection path The second candidate display of the second candidate electronic device is in a second display projection area on the reference horizontal plane; the target projection direction is directed to the target projection path and a strip-shaped region, and the second candidate projection position is located in the strip region The strip-shaped area is centered on the target projection path and has a width twice the first predetermined value; the target projection direction is directed to a triangular area, and the second candidate projection position is located a triangular region, wherein the triangular region is centered on the target projection path, a reference projection position of the reference electronic device on the reference horizontal plane is a vertex, and an apex angle is an acute angle; the target projection direction is a first An eleventh angle between the projection directions is an acute angle and less than a critical angle, wherein the first projection direction starts from the reference projection position, and the first projection direction points to the second candidate projection position; the target projection a twelfth angle between the direction and a second projection direction is an acute angle, and the eleventh angle is smaller than the twelfth angle, wherein the second projection direction starts from the reference projection position, and points to the a third electronic device of the electronic device is at a third projection position on the reference horizontal plane; the projection of the reference electronic device on the reference horizontal plane is a reference projection area, and the second candidate electronic device is at the reference horizontal plane The projection is a second candidate projection area, the second candidate projection position is located on the target projection path, and the target projection path is at the base a segment between the projection area and the second candidate projection area does not contact a projection of the other electronic device of the plurality of electronic devices on the reference horizontal plane; between the second candidate projection position and the target projection path The distance is less than the first predetermined value, and the segment of the target projection path between the reference projection area and the second candidate projection area does not contact other electronic devices of the plurality of electronic devices at the reference level a projection of the target through the second candidate display of the second candidate electronic device on the second display projection area of the reference horizontal plane, and the target projection path a segment between the reference projection area and the second candidate projection area, not contacting a projection of the other electronic device of the plurality of electronic devices on the reference horizontal plane; the first projection direction and the second Forming a thirteenth angle between the projection directions, and the eleventh angle is less than half of the thirteenth angle; a second reference line of the second projection direction cutting the reference plane into a first side area and a first a two-sided area, the target projection direction is directed to the first side area, and the second candidate projection position is located in the first side area; a reference pointing direction of the reference electronic device is a reference pointing projection direction on the reference horizontal plane Rotating a first viewing angle from the reference projection position to the two sides of the reference pointing projection direction defines a target viewing angle region, the reference pointing projection direction cutting the target viewing angle region into a first half region and a first a second half side region, the target projection direction is directed to the first half side region, and the second candidate projection position is located in the first half side region; the reference pointing Forming a fourteenth angle between the shadow direction and the target projection direction, the first projection direction and the reference pointing projection direction form a fifteenth angle, and the fourteenth angle and the fifteenth angle are smaller than the first a first viewing direction; a first back projection direction and a second candidate pointing direction of the second candidate electronic device form a sixteenth angle between a second candidate pointing projection direction on the reference horizontal plane, the fourteenth angle and The fifteenth angle is smaller than the first angle of view, and the sixteenth angle is smaller than a second angle of view, wherein the first back projection direction starts from the second candidate projection position and points to the reference projection position; The second candidate pointing direction is the axis of the second candidate projection position, and rotating the second angle to the second candidate pointing projection direction defines a second candidate viewing area, where the reference projection position is located In the two candidate viewing angle regions, the target projection direction is directed to the first half side region, and the second candidate projection position is located in the first half side region. The computer program product of claim 22, wherein the first perspective is equal to the second perspective. The computer program product of claim 23, wherein the first predetermined condition comprises at least one of the following conditions: the first candidate electronic device is located on a selected path pointed by the selected direction; the first candidate electronic device The distance between the location and the selected path is less than a first predetermined distance value; the selected path passes through any position of a first display on the first candidate electronic device; the first candidate electronic device is located at the selected path, And a selected vertical plane perpendicular to the ground; the distance between the position of the first candidate electronic device and the selected vertical plane is less than the first predetermined distance value; the first candidate electronic device is located in the selected direction In the columnar region, wherein the columnar region has the selected direction as an axis and the radius is the first predetermined distance value; the first candidate electronic device is located in a tapered region pointed by the selected direction, The tapered region has the selected direction as an axis, the position of the target image object as a vertex, and the vertex angle as an acute angle; the selected direction is parallel to a first reference shifting direction, and the first reference shifting direction a first reference angle with a first reference direction is an acute angle and less than a reference angle, wherein the first reference shift direction and the first reference direction both start from a position of the source electronic device, and The first reference direction is directed to the position of the first candidate electronic device; a second reference angle between the first reference shift direction and a second reference direction is an acute angle, and the first reference angle is smaller than the second reference An angle, wherein the second reference direction starts from a position of the source electronic device and points to a position of a control electronic device of the plurality of electronic devices; the first candidate electronic device is located on the selected path, and the selection is a segment of the path between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; a location of the first candidate electronic device The distance between the selected paths is less than the first predetermined distance value, and the segment of the selected path between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices The selected path passes through the first display of the first candidate electronic device, and the segment of the selected path between the source electronic device and the first candidate electronic device does not contact the plurality of electronic devices Other electronic device; the first candidate electronic device is located on the selected vertical plane where the selected path is located, and The selected vertical plane does not contact other electronic devices in the area between the source electronic device and the first candidate electronic device; the location of the first candidate electronic device and the selected vertical plane The distance is less than the first predetermined distance value, and the area of the selected vertical plane between the source electronic device and the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the first reference Forming a third reference angle between the direction and the second reference direction, and the first reference angle is less than half of the third reference angle; the second reference vertical plane of the second reference direction and perpendicular to the ground is space Cutting into a first reference space and a second reference space, the selected direction is directed to the first reference space, and the first candidate electronic device is located in the first reference space; a source of the source electronic device is directed to the direction, and a vertical plane perpendicular to the ground, with the position of the source electronic device as the axis rotating toward the source pointing direction, a first reference viewing angle will be determined a source perspective space, the source vertical plane cutting the source view space into a first half side reference space and a second half side reference space, the selected direction pointing to the first half side reference space, the first candidate electronic device a first candidate vertical plane of the first candidate electronic device, the first candidate pointing direction is perpendicular to the ground, and the first candidate electronic device is located at the first candidate electronic device. Rotating a second reference angle on each side of the first candidate pointing direction defines a first candidate viewing angle space, and the source electronic device is located in the first candidate viewing angle space Forming a fourth reference angle between the source pointing direction and the first reference shift direction, the first reference direction and the source pointing direction form a fifth reference angle, the fourth reference angle and the fifth reference angle A sixth reference angle is formed between the first reference reverse direction and the first candidate pointing direction of the first candidate electronic device, and the sixth reference angle is smaller than the second reference angle, wherein The first reference reverse direction starts from a position of the first candidate electronic device and points to a position of the source electronic device; a first shift direction forms a gap with the first candidate pointing direction of the first candidate electronic device a seventh reference angle, the fourth reference angle and the fifth reference angle are smaller than the first reference angle of view, and the seventh reference angle is smaller than the second reference angle, wherein the first shift direction is the first candidate electron The position of the device is a starting point and is parallel to the first reference direction; the selected direction is directed to the first half side reference space, and the first candidate electronic device is located at the first half side reference In the space, the seventh reference angle is less than 90 degrees; a first candidate projection position of the first candidate electronic device on a reference horizontal plane parallel to the ground, a selected projection direction of the selected direction on the reference horizontal plane Pointed on a selected projection path; the distance between the first candidate projection position and the selected projection path is less than the first predetermined distance value; the selected projection path passes through the first display of the first candidate electronic device a first display projection area on the reference horizontal plane; The selected projection direction is directed to the selected projection path and a strip-shaped region, the first candidate projection position being located in the strip-shaped region, wherein the strip-shaped region is centered on the selected projection path, and the width is the first predetermined Two times the distance value; the selected projection direction is directed to a triangular region, the first candidate projection position is located in the triangular region, wherein the triangular region is centered on the selected projection path, and the target image object is at the reference horizontal plane a projection position is a vertex and an apex angle is an acute angle; an eleventh reference angle between the selected projection direction and a first reference projection direction is an acute angle and is smaller than the reference angle, wherein the first reference projection The direction is a starting point of the source of the source electronic device on the reference horizontal plane, and the first reference projection direction is directed to the first candidate projection position; a first between the selected projection direction and a second reference projection direction The twelve reference angle is an acute angle, and the eleventh reference angle is smaller than the twelfth reference angle, wherein the second reference projection a reference projection position starting from the source projection position and pointing to the comparison electronic device of the plurality of electronic devices on the reference horizontal plane; the projection of the source electronic device on the reference horizontal plane is a source projection area, The projection of the first candidate electronic device on the reference horizontal plane is a first candidate projection area, the first candidate projection position is located on the selected projection path, and the selected projection path is in the source projection area and the first candidate projection a segment between the regions that does not touch the projection of other electronic devices of the plurality of electronic devices on the reference horizontal plane; The distance between the first candidate projection position and the selected projection path is less than the first predetermined distance value, and the section of the selected projection path between the source projection area and the first candidate projection area is not accessible Projecting of the other of the plurality of electronic devices on the reference horizontal plane; the selected projection path passing through the first display projection area of the first display of the first candidate electronic device on the reference horizontal plane, and the a segment of the selected projection path between the source projection area and the first candidate projection area does not contact projections of other electronic devices of the plurality of electronic devices on the reference horizontal plane; the first reference projection direction is Forming a thirteenth reference angle between the second reference projection directions, and the eleventh reference angle is less than half of the thirteenth reference angle; a first reference line of the second reference projection direction cutting the reference horizontal plane Forming a first reference area and a second reference area, the selected projection direction is directed to the first reference area, and the first candidate projection position is In the first reference area, the source pointing direction of the source electronic device is directed to a projection direction on a source of the reference horizontal plane, and the first reference viewing angle is rotated from the source to the projection direction A source view area is defined, the source is directed to the projection direction to cut the source view area into a first half reference area and a second half side reference area, the selected projection direction is directed to the first half side reference area, the first a candidate projection position is located in the first half side reference area, and the first candidate pointing direction of the first candidate electronic device is at the reference level A first candidate on the surface is directed to the projection direction, and the first candidate projection position is used as an axis, and rotating the second reference angle to the first candidate pointing projection direction defines a first candidate viewing angle region, and the first candidate viewing angle region is defined. The source projection position is located in the first candidate viewing angle region; the source is directed to form a fourteenth reference angle between the projection direction and the selected projection direction, and the first reference projection direction forms a fifteenth reference angle with the source pointing projection direction The fourteenth reference angle and the fifteenth reference angle are smaller than the first reference angle of view, and a first reference back projection direction and the first candidate pointing direction of the first candidate electronic device form a sixteenth reference An angle that is smaller than the second reference viewing angle, wherein the first reference back projection direction starts from the first candidate projection position and points to the source projection position; the first reference projection direction and the Forming, by the first candidate pointing direction of the first candidate electronic device, a seventeenth reference angle, the fourteenth reference angle and the fifteenth reference clip Less than the first reference viewing angle, and the seventeenth reference angle is smaller than the second reference viewing angle; and the selected projection direction is directed to the first half side reference area, the first candidate projection position of the first candidate electronic device is located at the The first half of the reference area is within the reference area, and the seventeenth reference angle is less than 90 degrees. The computer program product of claim 18, wherein the first predetermined condition comprises at least one of the following conditions: the first candidate electronic device is located on a selected path pointed by the selected direction; The distance between the location of the first candidate electronic device and the selected path is less than a first predetermined distance value; the selected path passes through any position of a first display on the first candidate electronic device; the first candidate electron The device is located on a selected vertical plane of the selected path and perpendicular to the ground; the distance between the position of the first candidate electronic device and the selected vertical plane is less than the first predetermined distance value; the first candidate electronic device is located a columnar region pointed by the selected direction, wherein the columnar region has the selected direction as an axis and the radius is the first predetermined distance value; the first candidate electronic device is located in a cone pointed by the selected direction In the region, wherein the tapered region has the selected direction as an axis, the position of the target image object as a vertex, and the vertex angle is an acute angle; the selected direction is parallel to a first reference shifting direction, and the first a first reference angle between the reference shift direction and a first reference direction is an acute angle and less than a reference angle, wherein the first reference shift direction and the first reference Starting from a position of the source electronic device, and the first reference direction is directed to a position of the first candidate electronic device; a second reference angle between the first reference shifting direction and a second reference direction is An acute angle, and the first reference angle is smaller than the second reference angle, wherein the second reference direction starts from a position of the source electronic device, and points to the multiple a position of a control electronic device in the electronic device; the first candidate electronic device is located on the selected path, and the selected path is not in contact with the segment between the source electronic device and the first candidate electronic device Other electronic devices in the electronic device; the distance between the location of the first candidate electronic device and the selected path is less than the first predetermined distance value, and the selected path is between the source electronic device and the first candidate electronic device The inter-section does not contact other electronic devices of the plurality of electronic devices; the selected path passes through the first display of the first candidate electronic device, and the selected path is between the source electronic device and the first candidate A segment between the electronic devices does not contact other electronic devices of the plurality of electronic devices; the first candidate electronic device is located on the selected vertical plane where the selected path is located, and the selected vertical surface is at the source electronic device The area between the first candidate electronic device does not contact other electronic devices of the plurality of electronic devices; the location of the first candidate electronic device The distance between the selected vertical planes is less than the first predetermined distance value, and the selected vertical plane does not contact other electrons in the plurality of electronic devices in a region between the source electronic device and the first candidate electronic device a third reference angle formed between the first reference direction and the second reference direction, and the first reference angle is less than half of the third reference angle; the second reference direction is perpendicular to the ground The second reference vertical plane cuts the space into a first reference space and a second reference space, the selected direction pointing The first reference space, and the first candidate electronic device is located in the first reference space; a source of the source electronic device points in a direction perpendicular to a ground perpendicular to the ground, and the position of the source electronic device is Rotating a first reference viewing angle of the axis to both sides of the source pointing direction defines a source viewing angle space, and the source vertical plane cuts the source viewing angle into a first half side reference space and a second half side reference space, The selected direction is directed to the first half-side reference space, the first candidate electronic device is located in the first half-side reference space, and a first candidate pointing direction of the first candidate electronic device is located first and perpendicular to the ground The candidate vertical plane defines a first candidate viewing angle by rotating a second reference viewing angle on both sides of the first candidate pointing direction with the position of the first candidate electronic device as an axis, and the source electronic device is located at the first In the candidate viewing angle space, the source pointing direction and the first reference shifting direction form a fourth reference angle, the first reference direction and the source pointing Forming a fifth reference angle therebetween, wherein the fourth reference angle and the fifth reference angle are smaller than the first reference angle, and a first reference reverse direction and the first candidate pointing direction of the first candidate electronic device form a a sixth reference angle, wherein the sixth reference angle is smaller than the second reference angle, wherein the first reference reverse direction starts from a position of the first candidate electronic device and points to a position of the source electronic device; Forming a seventh reference angle between the shifting direction and the first candidate pointing direction of the first candidate electronic device, the fourth reference angle and the fifth reference angle being small In the first reference viewing angle, and the seventh reference angle is smaller than the second reference viewing angle, wherein the first shifting direction starts from a position of the first candidate electronic device and is parallel to the first reference direction; The selected direction is directed to the first half side reference space, the first candidate electronic device is located in the first half side reference space, and the seventh reference angle is less than 90 degrees; the first candidate electronic device is in a reference parallel to the ground a first candidate projection position on the horizontal plane, the selected direction is on a selected projection path pointed by a selected projection direction on the reference horizontal plane; a distance between the first candidate projection position and the selected projection path is less than the a first predetermined distance value; the selected projection path passes through a first display projection area of the first display of the first candidate electronic device on the reference horizontal plane; the selected projection direction points to the selected projection path and a strip region The first candidate projection position is located in the strip region, wherein the strip region is centered on the selected projection path, and the width is a predetermined distance value is twice; the selected projection direction is directed to a triangular area, the first candidate projection position is located in the triangular area, wherein the triangular area is centered on the selected projection path, and the target image object is in the a projection position on the reference horizontal plane is a vertex, and the vertex angle is an acute angle; an eleventh reference angle between the selected projection direction and a first reference projection direction is an acute angle and is smaller than the reference angle, wherein the first The reference projection direction is based on a source projection position of the source electronic device on the reference horizontal plane And the first reference projection direction is directed to the first candidate projection position; a twelfth reference angle between the selected projection direction and a second reference projection direction is an acute angle, and the eleventh reference angle is smaller than the tenth a second reference projection angle, wherein the second reference projection direction starts from the source projection position, and points to a comparison projection position of the comparison electronic device in the plurality of electronic devices on the reference horizontal plane; the source electronic device is in the The projection on the reference horizontal plane is a source projection area, and the projection of the first candidate electronic device on the reference horizontal plane is a first candidate projection area, the first candidate projection position is located on the selected projection path, and the selected projection path is A segment between the source projection area and the first candidate projection area does not touch a projection of the other of the plurality of electronic devices on the reference horizontal plane; the first candidate projection position and the selected projection The distance between the paths is less than the first predetermined distance value, and the selected projection path is in the source projection area and the first candidate cast a segment between the regions that does not touch the projection of the other of the plurality of electronic devices on the reference horizontal plane; the selected projection path passes through the first display of the first candidate electronic device at the reference level The first display projection area of the first display, and the section of the selected projection path between the source projection area and the first candidate projection area does not contact other electronic devices of the plurality of electronic devices at the reference horizontal plane Projection; forming a thirteenth reference between the first reference projection direction and the second reference projection direction An angle of the eleventh reference angle is less than a half of the thirteenth reference angle; a first reference line where the second reference projection direction is located cuts the reference horizontal plane into a first reference area and a second reference area, Selecting a projection direction to point to the first reference area, and the first candidate projection position is located in the first reference area; the source pointing direction of the source electronic device is directed to a projection direction on a source of the reference horizontal plane, and the source projection Positioning the axis to the source to the projection direction on both sides of the rotation of the first reference viewing angle defines a source viewing angle region, the source pointing the projection direction to cut the source viewing angle region into a first half side reference region and a second half a reference area, the selected projection direction is directed to the first half-side reference area, the first candidate projection position is located in the first half-side reference area, and the first candidate pointing direction of the first candidate electronic device is on the reference horizontal plane a first candidate points to a projection direction, with the first candidate projection position as an axis, and the first candidate is directed to the projection direction Rotating the second reference viewing angle on the side defines a first candidate viewing angle region, and the source projection position is located in the first candidate viewing angle region; the source pointing to form a fourteenth reference angle between the projection direction and the selected projection direction, Forming a fifteenth reference angle between the first reference projection direction and the source pointing projection direction, the fourteenth reference angle and the fifteenth reference angle being smaller than the first reference angle of view, a first reference back projection direction and the The first candidate pointing direction of the first candidate electronic device forms a sixteenth reference angle between the projection directions, and the sixteenth reference angle is smaller than the second reference angle of view, wherein the first reference The back projection direction starts from the first candidate projection position and points to the source projection position; the first reference projection direction forms a seventeenth reference angle with the first candidate pointing projection direction of the first candidate electronic device, The fourteenth reference angle and the fifteenth reference angle are smaller than the first reference angle of view, and the seventeenth reference angle is smaller than the second reference angle; and the selected projection direction is directed to the first half reference area, the first The first candidate projection position of a candidate electronic device is located in the first half side reference region, and the seventeenth reference angle is less than 90 degrees. The computer program product of claim 18, wherein the determining, by the target direction determining module, the operation of the target direction comprises: defining, by the control circuit, a second parallel to the selected direction and starting from a position of the reference electronic device Referring to the shifting direction such that a second reference angle of less than 180 degrees is formed between the second reference shifting direction and a reference pointing direction of the reference electronic device; and the position of the reference electronic device is set by using the control circuit a starting point of the target direction, and forming a fifth reference angle between the target direction and the reference pointing direction; wherein the fifth reference angle is a complementary angle of the fourth reference angle. The computer program product of claim 18, wherein the computer program product further comprises: a display module for utilizing the control circuit to source the source electronic device, the reference electronic device, and the second candidate electronic device in space Relative position, display An animation associated with the motion of the target image object is presented on a partial area of the source display and in the local area. The computer program product of claim 27, wherein the determining module uses the control circuit to calculate the selected direction according to the touch operation of the local area by the user. The computer program product of claim 18, wherein the receiving module receives the position and directivity of the second candidate electronic device from the position detecting circuit and the at least one of the plurality of candidate electronic devices by using the communication circuit Relevant information. The computer program product of claim 18, wherein the plurality of electronic devices further comprise: a forwarding electronic device configured to serve as a transmission medium for instruction between the plurality of electronic devices, and a transmission medium for position and directivity information; And the receiving module uses the communication circuit to receive information related to the location and directivity of the second candidate electronic device from the forwarding electronic device. The computer program product of any one of claims 18 to 30, wherein the receiving module receives the position of a centroid of the source electronic device from the position detecting circuit by using the communication circuit, and the determining module utilizes the source electronic The location of the centroid of the device represents the location of the source electronic device in space. The computer program product of any one of claims 18 to 30, wherein the receiving module receives the space coordinates of the plurality of transmitting end reference points of the source electronic device from the position detecting circuit by using the communication circuit, and the determining module The control circuit calculates the position of a centroid of the source electronic device according to the spatial coordinates of the plurality of transmitting end reference points to represent the position of the source electronic device in space. The computer program product of any one of claims 18 to 30, wherein the receiving module Receiving, by the communication circuit, the space coordinates of the plurality of transmitting end reference points of the source electronic device from the position detecting circuit, and the determining module uses the control circuit to calculate the source display according to the spatial coordinates of the plurality of transmitting end reference points The location of a centroid to represent the location of the source electronic device in space. The computer program product of any one of claims 18 to 30, wherein the receiving module receives the space coordinates of the plurality of transmitting end reference points of the source electronic device from the position detecting circuit by using the communication circuit, and the determining module Using the control circuit to calculate the position of the center point of a first multimedia interactive program window displayed on the source display according to the spatial coordinates of the plurality of transmitting end reference points, to represent the source electronic device in space position.