git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1224 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/float2.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Runtime.InteropServices;
+using System.Drawing;
+using BluntDirectX.Direct3D;
+
+namespace OpenRa.Game
+{
+	[StructLayout(LayoutKind.Sequential)]
+	class float2
+	{
+		public float X, Y;
+
+		public float2(float x, float y)
+		{
+			X = x;
+			Y = y;
+		}
+
+		public PointF ToPointF()
+		{
+			return new PointF(X, Y);
+		}
+
+		public float2(PointF p)
+		{
+			X = p.X;
+			Y = p.Y;
+		}
+
+		public float2(Point p)
+		{
+			X = p.X;
+			Y = p.Y;
+		}
+
+		public float2(Size p)
+		{
+			X = p.Width;
+			Y = p.Height;
+		}
+
+		public float2(SizeF p)
+		{
+			X = p.Width;
+			Y = p.Height;
+		}
+
+		public static float2 operator +(float2 a, float2 b)
+		{
+			return new float2(a.X + b.X, a.Y + b.Y);
+		}
+
+		public static float2 operator -(float2 a, float2 b)
+		{
+			return new float2(a.X - b.X, a.Y - b.Y);
+		}
+
+		public float2 Constrain(Range<float2> r)
+		{
+			return new float2(
+				Util.Constrain(X, new Range<float>(r.Start.X, r.End.X)),
+				Util.Constrain(Y, new Range<float>(r.Start.Y, r.End.Y)));
+		}
+
+		public static float2 operator *(float a, float2 b)
+		{
+			return new float2(a * b.X, a * b.Y);
+		}
+
+		public static readonly float2 Zero = new float2(0, 0);
+	}
+}