protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
ShapeManager.CalculateVertices();
foreach (var shape in ShapeManager.Shapes)
{
shape.World = Matrix.CreateRotationY(0.01f) * shape.World;
}
base.Update(gameTime);
}