private MyVisual() { //set waypoints of enemy wayPoints.Add(new Vector2(-.5f, -.5f)); wayPoints.Add(new Vector2(.5f, -.5f)); wayPoints.Add(new Vector2(.5f, .5f)); wayPoints.Add(new Vector2(-.5f, .5f)); //wayPoints.Add(new Vector2(.6f, -.7f)); //wayPoints.Add(new Vector2(.5f, .8f)); //wayPoints.Add(new Vector2(-.5f, .4f)); //wayPoints.Add(new Vector2(0, 0)); wayTangents = CatmullRomSpline.FiniteDifferenceLoop(wayPoints); texBird = TextureLoader.FromBitmap(Resourcen.bird1); //background clear color GL.ClearColor(Color.White); //for transparency in textures GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha); GL.Enable(EnableCap.Blend); // for transparency in textures timeSource.Start(); }