void SetAngularVelocity(const Vec3& angVel){
		mSelf->setAngularVelocity(FBToBullet(angVel));
	}
	void Stop(){
		mSelf->setAngularVelocity(btVector3(0, 0, 0));
		mSelf->setLinearVelocity(btVector3(0, 0, 0));
		mSelf->clearForces();
	}