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

setRotation() void setRotation ( const Rotation &  Rot ) 设置旋转 设置 Placement 对象的旋转。 参数 [in] Rot 新旋转