/*
* Returns whether a hand is "just opened" or "just closed" from a state of closed or opened hand
*
* Called by JustOpenedHandOn or JustClosedHandOn
* @param hand: LeapMotion Hand Model
* @param handId: HandUtil.LEFT(=0) or HandUtil.RIGHT(=1)
* @param actionType: Hand just opened action or Hand just closed action
* @return whether the action is started (true or false)
*/
private bool JustActionedHandOn(Hand[] hands, int handId, HandActionType actionType)
{
Hand hand = hands[handId];
//過去手を開いていて，現在の手が存在し，その手の指が全部閉じるとき
if (hand != null)
{
switch (actionType)
{
case HandActionType.JUST_OPENED:
//Whether the hand is just opened
if (!this.isOpenedPreviousHands[handId] && HandUtil.GetHandStatus(hand) == HandStatus.OPEN)
{
this.isOpenedPreviousHands[handId] = true; //hand status
return(true); //Just opened
}
break;
case HandActionType.JUST_CLOSED:
//Whether the hand is just closed
if (this.isOpenedPreviousHands[handId] && HandUtil.GetHandStatus(hand) == HandStatus.CLOSE)
{
this.isOpenedPreviousHands[handId] = false; //hand status
return(true); //Just closed
}
break;
}
}
return(false); //Not Actioned
}
/*
* Save whether your previous hands are opened
* THIS IS USED FOR JustOpenedHandOn() & JustClosedHandOn()
* @param hands Leap.Hand[] both hands
*/
public void SavePreviousHands(Hand[] hands)
{
foreach (int handId in this.handIds)
{
Hand hand = hands[handId];
if (hand == null)
{
this.existsPreviousHands[handId] = false;
}
else
{
this.existsPreviousHands[handId] = true;
if (HandUtil.GetHandStatus(hand) == HandStatus.OPEN)
{
this.isOpenedPreviousHands[handId] = true;
}
else if (HandUtil.GetHandStatus(hand) == HandStatus.CLOSE)
{
this.isOpenedPreviousHands[handId] = false;
}
else
{
} //何も保存しない
}
}
//Debug.Log("Left: " + this.isOpenedPreviousHands[HandUtil.LEFT]);
//Debug.Log("Right: " + this.isOpenedPreviousHands[HandUtil.RIGHT]);
}
