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Vector3Int.cs
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194 lines (162 loc) · 5.26 KB
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#if UNITY_5 || UNITY_2017_1
// Unity C# reference source
// Copyright (c) Unity Technologies. For terms of use, see
// https://unity3d.com/legal/licenses/Unity_Reference_Only_License
using System;
using System.Runtime.InteropServices;
using UnityEngine;
public struct Vector3Int
{
public int x { get { return m_X; } set { m_X = value; } }
public int y { get { return m_Y; } set { m_Y = value; } }
public int z { get { return m_Z; } set { m_Z = value; } }
private int m_X;
private int m_Y;
private int m_Z;
public Vector3Int(int x, int y, int z)
{
m_X = x;
m_Y = y;
m_Z = z;
}
// Set x, y and z components of an existing Vector.
public void Set(int x, int y, int z)
{
m_X = x;
m_Y = y;
m_Z = z;
}
// Access the /x/, /y/ or /z/ component using [0], [1] or [2] respectively.
public int this[int index]
{
get
{
switch (index)
{
case 0: return x;
case 1: return y;
case 2: return z;
default:
throw new IndexOutOfRangeException(string.Format("Invalid Vector3Int index addressed: {0}!", index));
}
}
set
{
switch (index)
{
case 0: x = value; break;
case 1: y = value; break;
case 2: z = value; break;
default:
throw new IndexOutOfRangeException(string.Format("Invalid Vector3Int index addressed: {0}!", index));
}
}
}
// Returns the length of this vector (RO).
public float magnitude { get { return Mathf.Sqrt((float)(x * x + y * y + z * z)); } }
// Returns the squared length of this vector (RO).
public int sqrMagnitude { get { return x * x + y * y + z * z; } }
// Returns the distance between /a/ and /b/.
public static float Distance(Vector3Int a, Vector3Int b) { return (a - b).magnitude; }
// Returns a vector that is made from the smallest components of two vectors.
public static Vector3Int Min(Vector3Int lhs, Vector3Int rhs) { return new Vector3Int(Mathf.Min(lhs.x, rhs.x), Mathf.Min(lhs.y, rhs.y), Mathf.Min(lhs.z, rhs.z)); }
// Returns a vector that is made from the largest components of two vectors.
public static Vector3Int Max(Vector3Int lhs, Vector3Int rhs) { return new Vector3Int(Mathf.Max(lhs.x, rhs.x), Mathf.Max(lhs.y, rhs.y), Mathf.Max(lhs.z, rhs.z)); }
// Multiplies two vectors component-wise.
public static Vector3Int Scale(Vector3Int a, Vector3Int b) { return new Vector3Int(a.x * b.x, a.y * b.y, a.z * b.z); }
// Multiplies every component of this vector by the same component of /scale/.
public void Scale(Vector3Int scale) { x *= scale.x; y *= scale.y; z *= scale.z; }
public void Clamp(Vector3Int min, Vector3Int max)
{
x = Math.Max(min.x, x);
x = Math.Min(max.x, x);
y = Math.Max(min.y, y);
y = Math.Min(max.y, y);
z = Math.Max(min.z, z);
z = Math.Min(max.z, z);
}
// Converts a Vector3Int to a [[Vector3]].
public static implicit operator Vector3(Vector3Int v)
{
return new Vector3(v.x, v.y, v.z);
}
public static Vector3Int FloorToInt(Vector3 v)
{
return new Vector3Int(
Mathf.FloorToInt(v.x),
Mathf.FloorToInt(v.y),
Mathf.FloorToInt(v.z)
);
}
public static Vector3Int CeilToInt(Vector3 v)
{
return new Vector3Int(
Mathf.CeilToInt(v.x),
Mathf.CeilToInt(v.y),
Mathf.CeilToInt(v.z)
);
}
public static Vector3Int RoundToInt(Vector3 v)
{
return new Vector3Int(
Mathf.RoundToInt(v.x),
Mathf.RoundToInt(v.y),
Mathf.RoundToInt(v.z)
);
}
public static Vector3Int operator +(Vector3Int a, Vector3Int b)
{
return new Vector3Int(a.x + b.x, a.y + b.y, a.z + b.z);
}
public static Vector3Int operator -(Vector3Int a, Vector3Int b)
{
return new Vector3Int(a.x - b.x, a.y - b.y, a.z - b.z);
}
public static Vector3Int operator *(Vector3Int a, Vector3Int b)
{
return new Vector3Int(a.x * b.x, a.y * b.y, a.z * b.z);
}
public static Vector3Int operator *(Vector3Int a, int b)
{
return new Vector3Int(a.x * b, a.y * b, a.z * b);
}
public static bool operator ==(Vector3Int lhs, Vector3Int rhs)
{
return lhs.x == rhs.x && lhs.y == rhs.y && lhs.z == rhs.z;
}
public static bool operator !=(Vector3Int lhs, Vector3Int rhs)
{
return !(lhs == rhs);
}
public override bool Equals(object other)
{
if (!(other is Vector3Int)) return false;
Vector3Int rhs = (Vector3Int)other;
return this == rhs;
}
public override int GetHashCode()
{
return x.GetHashCode() ^ (y.GetHashCode() << 2) ^ (z.GetHashCode() >> 2);
}
public override string ToString()
{
return string.Format("({0}, {1}, {2})", x, y, z);
}
public string ToString(string format)
{
return string.Format("({0}, {1}, {2})", x.ToString(format), y.ToString(format), z.ToString(format));
}
public static Vector3Int zero { get { return s_Zero; } }
public static Vector3Int one { get { return s_One; } }
public static Vector3Int up { get { return s_Up; } }
public static Vector3Int down { get { return s_Down; } }
public static Vector3Int left { get { return s_Left; } }
public static Vector3Int right { get { return s_Right; } }
private static readonly Vector3Int s_Zero = new Vector3Int(0, 0, 0);
private static readonly Vector3Int s_One = new Vector3Int(1, 1, 1);
private static readonly Vector3Int s_Up = new Vector3Int(0, 1, 0);
private static readonly Vector3Int s_Down = new Vector3Int(0, -1, 0);
private static readonly Vector3Int s_Left = new Vector3Int(-1, 0, 0);
private static readonly Vector3Int s_Right = new Vector3Int(1, 0, 0);
}
#endif