git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1202 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/Util.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Text;
 using OpenRa.FileFormats;
 using System.Drawing;
+using BluntDirectX.Direct3D;
 
 namespace OpenRa.Game
 {
@@ -24,6 +25,11 @@ namespace OpenRa.Game
 			return (v > 0) ? v1 : v0;
 		}
 
+		public static float Constrain(float x, Range<float> range)
+		{
+			return x < range.Start ? range.Start : x > range.End ? range.End : x;
+		}
+
 		static PointF EncodeVertexAttributes(TextureChannel channel, int paletteLine)
 		{
 			Converter<TextureChannel, float> channelEncoder = delegate(TextureChannel c)