checkCollision

MEngine * engine = MEngine::getInstance();
    MGame * game = engine->getGame();

    // check if the game is running, removing thif test will enable In-Editor update (like for the lookAt behavior)
    if(! game->isRunning())
        return;
    unsigned int objid=0,playerid=0;
    // get the associated parent object (who is using this behavior)
    MObject3d * parent = getParentObject();
    // get the actual scene
    MScene* nScene=engine->getLevel()->getCurrentScene();
    // get from the actual scene the object Index to be used for function isObjectsCollision in MPhysicsContext

    nScene->getObjectIndex("select", &playerid);
    nScene->getObjectIndex(parent->getName(), &objid);
    MObject3d * behaviorObj=nScene->getObjectByIndex(objid);
    MObject3d * playerObj=nScene->getObjectByIndex(playerid);
    if((behaviorObj->getType() == M_OBJECT3D_ENTITY) && (playerObj->getType() == M_OBJECT3D_ENTITY))
    {
            MOEntity * entity1 = (MOEntity*)behaviorObj;
            MOEntity * entity2 = (MOEntity*)playerObj;

            MPhysicsProperties * phyProps1 = entity1->getPhysicsProperties();
            MPhysicsProperties * phyProps2 = entity2->getPhysicsProperties();
            if(phyProps1 && phyProps2)
            {
                MPhysicsContext * physics = MEngine::getInstance()->getPhysicsContext();
                int collision = physics->isObjectsCollision(
                    phyProps1->getCollisionObjectId(),
                    phyProps2->getCollisionObjectId()
                    );