GSharker · d3ssy · Dec 30, 2022 · Dec 20, 2022 · Dec 20, 2022 · Dec 20, 2022
diff --git a/src/GShark.Test.XUnit/Core/TransformTests.cs b/src/GShark.Test.XUnit/Core/TransformTests.cs
@@ -262,5 +262,21 @@ public void It_Returns_A_Rotation_Matrix_From_Angle_Axis_And_Center_Point()
             rotationMatrix.Equals(expectedMatrix).Should().BeTrue();
         }
 
+        [Fact]
+        public void It_Returns_A_Point_Reflected_On_The_YZ_Plane()
+        {
+            var p = new Point3(5, 0, 0);
+
+            //Act
+            var reflectionMatrix = Transform.Reflection(Plane.PlaneYZ);
+            var pReflected = p.Transform(reflectionMatrix);
+
+            //Assert
+#if DEBUG
+            _testOutput.WriteLine(pReflected.ToString());
+#endif
+            pReflected.Should().BeEquivalentTo(new Point3(-5, 0, 0));
+        
8000
}
+
     }
 }
diff --git a/src/GShark.Test.XUnit/GShark.Test.XUnit.csproj b/src/GShark.Test.XUnit/GShark.Test.XUnit.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <Platforms>AnyCPU;x64;x86</Platforms>
   </PropertyGroup>
 

diff --git a/src/GShark/Core/Transform.cs b/src/GShark/Core/Transform.cs
@@ -223,5 +223,15 @@ public static TransformMatrix PlaneToPlane(Plane a, Plane b)
 
             return result;
         }
+
+        /// <summary>
+        /// Creates a reflection transformation matrix given a Plane defining the plane of reflection.
+        /// </summary>
+        /// <param name="a">The plane used to reflect.</param>
+        /// <returns>The transformation matrix.</returns>
+        public static TransformMatrix Reflection(Plane a)
+        {
+            return TransformMatrix.Reflection(a);
+        }
     }
 }