Azure Kinect / k4abttypes.h : quaternation 구조체

typedef union
{
    /** WXYZ or array representation of quaternion */
    struct _wxyz
    {
        float w; /**< W representation of a quaternion */
        float x; /**< X representation of a quaternion */
        float y; /**< Y representation of a quaternion */
        float z; /**< Z representation of a quaternion */
    } wxyz;      /**< W, X, Y, Z representation of a quaternion */
    float v[4];  /**< Array representation of a quaternion */
} k4a_quaternion_t;