private void GameSetup(Window window)
{
window.SetClearColor(0f, 1f, 1f);
mesh001 = new Mesh();
mesh001.v = new float[]
{
100, 100,
50, 200,
150, 200
};
mesh001.UpdateVertex();
alienTexture = new Texture("Assets/2.png");
alien = new Sprite(alienTexture.Width, alienTexture.Height);
window.AddPostProcessingEffect(new GrayscaleEffect());
}