Ogre 绘制基本图形

ManualObject* lManualObject;

lManualObject=mSceneMgr->createManualObject("mo");
	lManualObject->begin("BaseWhiteNoLighting");
	
	Ogre::Real cm = -5.0 ;
	Ogre::Real cp = 5.0;
		
	lManualObject->position(cm, cp, cm);// a vertex
	lManualObject->colour(Ogre::ColourValue(0.0f,1.0f,0.0f,1.0f));
	lManualObject->position(cp, cp, cm);// a vertex
	lManualObject->colour(Ogre::ColourValue(1.0f,1.0f,0.0f,1.0f));
	lManualObject->position(cp, cm, cm);// a vertex
	lManualObject->colour(Ogre::ColourValue(1.0f,0.0f,0.0f,1.0f));
	lManualObject->position(cm, cm, cm);// a vertex
	lManualObject->colour(Ogre::ColourValue(0.0f,0.0f,0.0f,1.0f));

	lManualObject->position(cm, cp, cp);// a vertex
	lManualObject->colour(Ogre::ColourValue(0.0f,1.0f,1.0f,1.0f));
	lManualObject->position(cp, cp, cp);// a vertex
	lManualObject->colour(Ogre::ColourValue(1.0f,1.0f,1.0f,1.0f));
	lManualObject->position(cp, cm, cp);// a vertex
	lManualObject->colour(Ogre::ColourValue(1.0f,0.0f,1.0f,1.0f));
	lManualObject->position(cm, cm, cp);// a vertex
	lManualObject->colour(Ogre::ColourValue(0.0f,0.0f,1.0f,1.0f));

		// face behind / front
	lManualObject->triangle(0,1,2);
	lManualObject->triangle(2,3,0);
	lManualObject->triangle(4,6,5);
	lManualObject->triangle(6,4,7);

		// face top / down
	lManualObject->triangle(0,4,5);
	lManualObject->triangle(5,1,0);
	lManualObject->triangle(2,6,7);
	lManualObject->triangle(7,3,2);

		// face left / right
	lManualObject->triangle(0,7,4);
	lManualObject->triangle(7,0,3);
	lManualObject->triangle(1,5,6);
	lManualObject->triangle(6,2,1);   
	
	lManualObject->end();


	Ogre::String lNameOfTheMesh = "MeshCubeAndAxe";
	lManualObject->convertToMesh(lNameOfTheMesh);

	Entity* entity = mSceneMgr->createEntity(lNameOfTheMesh);

	mSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(entity);