67 lines
2.7 KiB
C#
67 lines
2.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2022 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Runtime.InteropServices;
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namespace OpenRA
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{
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[SuppressMessage("Style", "IDE1006:Naming Styles", Justification = "Mimic a built-in type alias.")]
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[StructLayout(LayoutKind.Sequential)]
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public readonly struct float3 : IEquatable<float3>
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{
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public readonly float X, Y, Z;
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public float2 XY => new float2(X, Y);
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public float3(float x, float y, float z) { X = x; Y = y; Z = z; }
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public float3(float2 xy, float z) { X = xy.X; Y = xy.Y; Z = z; }
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public static implicit operator float3(int2 src) { return new float3(src.X, src.Y, 0); }
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public static implicit operator float3(float2 src) { return new float3(src.X, src.Y, 0); }
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public static float3 operator +(in float3 a, in float3 b) { return new float3(a.X + b.X, a.Y + b.Y, a.Z + b.Z); }
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public static float3 operator -(in float3 a, in float3 b) { return new float3(a.X - b.X, a.Y - b.Y, a.Z - b.Z); }
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public static float3 operator -(in float3 a) { return new float3(-a.X, -a.Y, -a.Z); }
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public static float3 operator *(in float3 a, in float3 b) { return new float3(a.X * b.X, a.Y * b.Y, a.Z * b.Z); }
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public static float3 operator *(float a, in float3 b) { return new float3(a * b.X, a * b.Y, a * b.Z); }
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public static float3 operator /(in float3 a, in float3 b) { return new float3(a.X / b.X, a.Y / b.Y, a.Z / b.Z); }
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public static float3 operator /(in float3 a, float b) { return new float3(a.X / b, a.Y / b, a.Z / b); }
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public static float3 Lerp(float3 a, float3 b, float t)
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{
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return new float3(
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float2.Lerp(a.X, b.X, t),
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float2.Lerp(a.Y, b.Y, t),
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float2.Lerp(a.Z, b.Z, t));
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}
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public static bool operator ==(in float3 me, in float3 other) { return me.X == other.X && me.Y == other.Y && me.Z == other.Z; }
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public static bool operator !=(in float3 me, in float3 other) { return !(me == other); }
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public override int GetHashCode() { return X.GetHashCode() ^ Y.GetHashCode() ^ Z.GetHashCode(); }
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public bool Equals(float3 other)
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{
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return other == this;
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}
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public override bool Equals(object obj)
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{
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return obj is float3 o && (float3?)o == this;
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}
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public override string ToString() { return $"{X},{Y},{Z}"; }
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public static readonly float3 Zero = new float3(0, 0, 0);
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public static readonly float3 Ones = new float3(1, 1, 1);
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}
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}
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