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();
}