Function glutDisplay

Samples/NiUserTracker/main.cpp:217–252

this function is called each frame

// this function is called each frame
void glutDisplay (void)
{

	glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

	// Setup the OpenGL viewpoint
	glMatrixMode(GL_PROJECTION);
	glPushMatrix();
	glLoadIdentity();

	xn::SceneMetaData sceneMD;
	xn::DepthMetaData depthMD;
	g_DepthGenerator.GetMetaData(depthMD);
#ifndef USE_GLES
	glOrtho(0, depthMD.XRes(), depthMD.YRes(), 0, -1.0, 1.0);
#else
	glOrthof(0, depthMD.XRes(), depthMD.YRes(), 0, -1.0, 1.0);
#endif

	glDisable(GL_TEXTURE_2D);

	if (!g_bPause)
	{
		// Read next available data
		g_Context.WaitOneUpdateAll(g_UserGenerator);
	}

		// Process the data
		g_DepthGenerator.GetMetaData(depthMD);
		g_UserGenerator.GetUserPixels(0, sceneMD);
		DrawDepthMap(depthMD, sceneMD);

#ifndef USE_GLES
	glutSwapBuffers();
#endif
}

#ifndef USE_GLES
void glutIdle (void)