public override void OnDraw(float time)
{
//Render gui text
gui.Material.Textures["_tex"].Clear();
Vector2 p = ActiveCamera.WorldToScreen(new Vector3(10, 0, 10));
gui.DrawText("Time: " + time, defaultFont, 0.6f, p, new Vector4(1, 0.5f, 0.5f, 1));
gui.DrawText("FPS: " + Fps, defaultFont, 0.6f, new Vector2(p.X, p.Y + 100), new Vector4(1, 0.5f, 0.5f, 1));
//Render multisampler
SceneRenderer.RenderMultisampled(ActiveCamera, multisampler, time);
multisampler.CloneTo(postEffect.Textures["_tex"]);
canvas.Clear();
canvas.DrawMaterial(postEffect);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.Viewport(0, 0, Window.Width, Window.Height);
postEffect.Use();
Helper.DrawScreenQuad();
GL.UseProgram(0);
}