87 lines
2.8 KiB
C#
87 lines
2.8 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
|
|
* This file is part of OpenRA, which is free software. It is made
|
|
* available to you under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation. For more information,
|
|
* see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Drawing;
|
|
|
|
namespace OpenRA
|
|
{
|
|
/// <summary>
|
|
/// Cell coordinate vector (coarse).
|
|
/// </summary>
|
|
public struct CVec
|
|
{
|
|
public readonly int X, Y;
|
|
|
|
public CVec(int x, int y) { X = x; Y = y; }
|
|
public CVec(Size p) { X = p.Width; Y = p.Height; }
|
|
|
|
public static readonly CVec Zero = new CVec(0, 0);
|
|
|
|
public static explicit operator CVec(int2 a) { return new CVec(a.X, a.Y); }
|
|
public static explicit operator CVec(float2 a) { return new CVec((int)a.X, (int)a.Y); }
|
|
|
|
public static CVec operator +(CVec a, CVec b) { return new CVec(a.X + b.X, a.Y + b.Y); }
|
|
public static CVec operator -(CVec a, CVec b) { return new CVec(a.X - b.X, a.Y - b.Y); }
|
|
public static CVec operator *(int a, CVec b) { return new CVec(a * b.X, a * b.Y); }
|
|
public static CVec operator *(CVec b, int a) { return new CVec(a * b.X, a * b.Y); }
|
|
public static CVec operator /(CVec a, int b) { return new CVec(a.X / b, a.Y / b); }
|
|
|
|
public static CVec operator -(CVec a) { return new CVec(-a.X, -a.Y); }
|
|
|
|
public static bool operator ==(CVec me, CVec other) { return (me.X == other.X && me.Y == other.Y); }
|
|
public static bool operator !=(CVec me, CVec other) { return !(me == other); }
|
|
|
|
public static CVec Max(CVec a, CVec b) { return new CVec(Math.Max(a.X, b.X), Math.Max(a.Y, b.Y)); }
|
|
public static CVec Min(CVec a, CVec b) { return new CVec(Math.Min(a.X, b.X), Math.Min(a.Y, b.Y)); }
|
|
|
|
public static int Dot(CVec a, CVec b) { return a.X * b.X + a.Y * b.Y; }
|
|
|
|
public CVec Sign() { return new CVec(Math.Sign(X), Math.Sign(Y)); }
|
|
public CVec Abs() { return new CVec(Math.Abs(X), Math.Abs(Y)); }
|
|
public int LengthSquared { get { return X * X + Y * Y; } }
|
|
public int Length { get { return (int)Math.Sqrt(LengthSquared); } }
|
|
|
|
public float2 ToFloat2() { return new float2(X, Y); }
|
|
public int2 ToInt2() { return new int2(X, Y); }
|
|
public WVec ToWVec() { return new WVec(X*1024, Y*1024, 0); }
|
|
|
|
public CVec Clamp(Rectangle r)
|
|
{
|
|
return new CVec(
|
|
Math.Min(r.Right, Math.Max(X, r.Left)),
|
|
Math.Min(r.Bottom, Math.Max(Y, r.Top))
|
|
);
|
|
}
|
|
|
|
public override int GetHashCode() { return X.GetHashCode() ^ Y.GetHashCode(); }
|
|
|
|
public override bool Equals(object obj)
|
|
{
|
|
var o = obj as CVec?;
|
|
return o != null && o == this;
|
|
}
|
|
|
|
public override string ToString() { return "{0},{1}".F(X, Y); }
|
|
|
|
public static readonly CVec[] directions =
|
|
{
|
|
new CVec(-1, -1),
|
|
new CVec(-1, 0),
|
|
new CVec(-1, 1),
|
|
new CVec(0, -1),
|
|
new CVec(0, 1),
|
|
new CVec(1, -1),
|
|
new CVec(1, 0),
|
|
new CVec(1, 1),
|
|
};
|
|
}
|
|
}
|