void loadTiles()
 {
     foreach (PlatformData platform in levelData.getPlatformData())
     {
         FSprite plat = new FSprite(platform.image);
         tileSize = plat.localRect.width;
         Tiles[(int)platform.x, (int)platform.y] = 1;
         Static staticPlatform = new Static(new FSprite(platform.image));
         staticPlatform.SetPosition(new Vector2(platform.x * plat.localRect.width , -platform.y * plat.localRect.height ));
         tileSprites.Add(staticPlatform);
         AddChild(staticPlatform);
     }
 }