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(); }