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

fromMatrix() void fromMatrix ( const Matrix4D &  m ) 从 4x4 变换矩阵提取位置和旋转 从 4x4 变换矩阵提取位置和旋转信息。 参数 [in] m 4x4 变换矩阵