fromDualQuaternion fromMatrix getPosition getRotation inverse invert isIdentity m_Pos m_Rot move multVec operator!= operator* operator*= operator= operator== Placement Placement Placement Placement Placement pow sclerp setPosition setRotation slerp toDualQuaternion toMatrix ~Placement

getRotation() const Rotation & getRotation ( ) const 获取当前旋转 获取 Placement 对象的当前旋转。 返回 当前旋转