protected override void OnRenderFrame(FrameEventArgs e)
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
tech.meterWidthHeight(Width, Height);
paredd.meterWidthHeight(Width, Height);
puert.meterWidthHeight(Width, Height);
puert.setterMatrix4();
paredd.setterMatrix4();
tech.setterMatrix4();
puert.dibujar();
paredd.dibujar();
tech.dibujar();
Context.SwapBuffers();
base.OnRenderFrame(e);
}