internal Camera(Engine engine)
{
_engine = engine;
this.Viewport = new Viewport(0, 0, _engine.Window.Width, _engine.Window.Height);
this.View = Matrix.LookAtLH(new Vector3(0, 20, -90), new Vector3(0, 20, 0), new Vector3(0, 1, 0));
this.Projection = Matrix.PerspectiveFovLH((float)(Math.PI / 4.0), Viewport.AspectRatio(), 0.5f, 10000.0f);
CenterCursor();
}