EulerSequence eulerSequenceFromName eulerSequenceName evaluateVector getEulerAngles getRawValue getValue getValue getValue getValue getYawPitchRoll identity inverse invert isIdentity isNull isSame isSame m_Angle m_Axis m_Quat makeRotationByAxes multVec multVec normalize operator!= operator* operator*= operator= operator== operator[] operator[] Rotation Rotation Rotation Rotation Rotation Rotation Rotation scaleAngle setEulerAngles setValue setValue setValue setValue setValue setYawPitchRoll slerp

identity() static Rotation identity ( ) static 创建一个表示恒等旋转的 Rotation 对象 创建一个表示恒等旋转的 Rotation 对象，恒等旋转相当于没有旋转。 返回 创建并返回一个 Rotation 对象，其四元数分量为 (0.0, 0.0, 0.0, 1.0)