//========================================
        //      Self-Define
        //------------------------------
        //----------------------
        // Public Functions

        /// <summary>
        /// Change the target position on x axis by adding it.
        /// </summary>
        /// <param name="val">Value to add.</param>
        public void DeltaTargetPosX(float val)
        {
            mTargetPos = JCS_Utility.IncVecX(mTargetPos, val);
        }