void SetAngularDamping(float damping){
		float linear = mSelf->getLinearDamping();
		mSelf->setDamping(linear, damping);
	}
	void SetDamping(float linear, float angular){
		mSelf->setDamping(linear, angular);
	}
	void SetLinearDamping(float damping){
		float an = mSelf->getAngularDamping();
		mSelf->setDamping(damping, an);
	}