protected override void OnRenderFrame(FrameEventArgs e)
{
base.OnRenderFrame(e);
GL.Viewport(0, 0, ScreenWidth, ScreenHeight);
GL.ClearBuffer(ClearBuffer.Color, 0, new float[] { 0.2f, 0.2f, 0.2f, 1.0f });
GL.ClearBuffer(ClearBuffer.Depth, 0, new float[] { 1.0f });
Title = KAOSEngine.AppName +
" OpenGL: " + GL.GetString(StringName.Version) +
" GLSL: " + GL.GetString(StringName.ShadingLanguageVersion) +
" FPS: " + string.Format("{0:F}", 1.0 / e.Time);
RenderFrame(m_Timer.GetElapsedTime());
SwapBuffers();
}