public bool IsGripPress(HAND_ID hand_id)
 {
     return(is_grip_press[(int)hand_id]);
 }
 public Vector3 HandPosition(HAND_ID hand_id)
 {
     return(hand_position[(int)hand_id]);
 }
 public bool IsGripClick(HAND_ID hand_id)
 {
     return(is_grip_click[(int)hand_id]);
 }
 public bool IsTrackpadPress(HAND_ID hand_id)
 {
     return(is_trackpad_press[(int)hand_id]);
 }
 public bool IsTrackpadClick(HAND_ID hand_id)
 {
     return(is_trackpad_click[(int)hand_id]);
 }
 public bool IsTriggerPress(HAND_ID hand_id)
 {
     return(is_trigger_press[(int)hand_id]);
 }
 /* Public method */
 public bool IsTriggerClick(HAND_ID hand_id)
 {
     return(is_trigger_click[(int)hand_id]);
 }