Ogre HowTo——如何鼠标点选物体

 

bool mousePressed( const OIS::MouseEvent &arg, OIS::MouseButtonID id )
...{
    if (id == OIS::MB_Left)
    ...{
        onLeftPressed(arg);
    }

    CEGUI::System::getSingleton().injectMouseButtonDown(convertOISMouseButtonToCegui(id));
    return true;
}
void onLeftPressed(const OIS::MouseEvent &arg)
...{
    // Create RaySceneQuery
    RaySceneQuery *mRaySceneQuery = mSceneMgr->createRayQuery(Ray());
    // Setup the ray scene query
    CEGUI::Point mousePos = CEGUI::MouseCursor::getSingleton().getPosition();
    Ray mouseRay = mCamera->getCameraToViewportRay(mousePos.d_x/float(arg.state.width), mousePos.d_y/float(arg.state.height));
    mRaySceneQuery->setRay(mouseRay);
    mRaySceneQuery->setSortByDistance(true);
    // Execute query
    RaySceneQueryResult result = mRaySceneQuery->execute();
    RaySceneQueryResult::iterator itr;
    for ( itr = result.begin(); itr != result.end(); itr++ )
    ...{
        if (itr->movable->getName()=="Head")//如果点中物体名为Head
        ...{
            MessageBox(NULL,"Head","asdf",MB_OK);
            break;
        }
    }
}