diff --git a/isometric-park-fna/ImageMap.cs b/isometric-park-fna/ImageMap.cs
new file mode 100644
--- /dev/null
+++ b/isometric-park-fna/ImageMap.cs
@@ -0,0 +1,69 @@
+
+using System;
+
+using Num = System.Numerics;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace isometricparkfna
+{
+    public class ImageMap
+    {
+        static public Texture2D ImageMapTexture;
+
+        public int TileWidth;
+        public int TileHeight;
+
+        public ImageMap(int tileWidth, int tileHeight )
+        {
+		this.TileHeight = tileHeight;
+		this.TileWidth = tileWidth;
+        }
+
+        public Rectangle GetSourceRectangle(int tileIndex)
+        {
+            int tileY = tileIndex / (ImageMapTexture.Width / TileWidth);
+            int tileX = tileIndex % (ImageMapTexture.Width / TileWidth);
+
+            return new Rectangle(tileX * TileWidth, tileY * TileHeight, TileWidth, TileHeight);
+        }
+        public Num.Vector2 GetSourceUVStart(int tileIndex)
+        {
+            int tileX = tileIndex % (ImageMapTexture.Width / TileWidth);
+            int tileY = tileIndex / (ImageMapTexture.Width / TileWidth);
+
+	    int imageMapX = (tileX) * TileWidth;
+	    int imageMapY = (tileY) * TileHeight;
+
+
+	    return new Num.Vector2( ((float)imageMapX)/ImageMapTexture.Width, 
+			    ((float)imageMapY)/ImageMapTexture.Height);
+
+        }
+        public Num.Vector2 GetSourceUVEnd(int tileIndex)
+        {
+            int tileX = tileIndex % (ImageMapTexture.Width / TileWidth);
+            int tileY = tileIndex / (ImageMapTexture.Width / TileWidth);
+
+	    int imageMapX = (tileX+1) * TileWidth;
+	    int imageMapY = (tileY+1) * TileHeight;
+
+
+	    return new Num.Vector2( ((float)imageMapX)/ImageMapTexture.Width, 
+			    ((float)imageMapY)/ImageMapTexture.Height);
+
+        }
+
+        public Rectangle GetExtendedSourceRectangle(int tileIndex, int height)
+        {
+            int tileY = tileIndex / (ImageMapTexture.Width / TileWidth);
+            int tileX = tileIndex % (ImageMapTexture.Width / TileWidth);
+
+            return new Rectangle(tileX * TileWidth, tileY * TileHeight, TileWidth, TileHeight*height);
+        }
+
+
+
+
+    }
+}