/// <summary>
/// Detect swipe type in a movement
/// </summary>
eSwipeType DetectSwipeType(Vector2 theMovement)
{
eSwipeType aType = eSwipeType.None;
if (theMovement.x > itsMinSwipeDistance)
{
aType = eSwipeType.Right;
}
else if (theMovement.x < -itsMinSwipeDistance)
{
aType = eSwipeType.Left;
}
else if (theMovement.y > itsMinSwipeDistance)
{
aType = eSwipeType.Up;
}
else if (theMovement.y < -itsMinSwipeDistance)
{
aType = eSwipeType.Down;
}
return(aType);
}
public SwipeArgs(int theAreaID,Vector2 theDelta,eSwipeType theType)
{
itsAreaID = theAreaID;
itsDelta = theDelta;
itsType = theType;
}
/// <summary>
/// Check for swipe movement
/// </summary>
void CheckSwipeGestures()
{
if (EventSwipe == null)
{
return;
}
#if UNITY_EDITOR || UNITY_STANDALONE || UNITY_WEBPLAYER
if (itsEmulateTouchWithMouse)
{
if (Input.GetMouseButtonDown(0))
{
// init sum on new touch
itsSwipeSumByFingerID[0] = Vector2.zero;
itsSwipeAlreadyDetected[0] = false;
}
else if (Input.GetMouseButtonUp(0) || !itsSwipeWaitForTouchRelease)
{
if (itsSwipeAlreadyDetected.ContainsKey(0))
{
if (!itsSwipeAlreadyDetected[0])
{
// detect swipe on touch end
eSwipeType aType = DetectSwipeType(itsSwipeSumByFingerID[0]);
if (aType != eSwipeType.None)
{
// don't send swipe events again if already sent for this gesture
itsSwipeAlreadyDetected[0] = true;
if (itsFingerToAreaID.ContainsKey(0))
{
OnEventSwipe(new SwipeArgs(itsFingerToAreaID[0], itsSwipeSumByFingerID[0], aType));
}
else
{
OnEventSwipe(new SwipeArgs(AreaIDFullScreen, itsSwipeSumByFingerID[0], aType));
}
// init sum on new touch
itsSwipeSumByFingerID[0] = Vector2.zero;
}
}
}
}
if (Input.GetMouseButton(0))
{
// else sum delta
itsSwipeSumByFingerID[0] += (itsMousePosition - itsMousePositionOld);
}
}
#endif
for (int i = 0; i < Input.touchCount; i++)
{
Touch aTouch = Input.GetTouch(i);
if (aTouch.phase == TouchPhase.Began)
{
// init sum on new touch
itsSwipeSumByFingerID[aTouch.fingerId] = Vector2.zero;
itsSwipeAlreadyDetected[aTouch.fingerId] = false;
}
else if ((aTouch.phase == TouchPhase.Ended) || !itsSwipeWaitForTouchRelease)
{
if (!itsSwipeAlreadyDetected[aTouch.fingerId])
{
// detect swipe on touch end
eSwipeType aType = DetectSwipeType(itsSwipeSumByFingerID[aTouch.fingerId]);
if (aType != eSwipeType.None)
{
// don't send swipe events again if already sent for this gesture
itsSwipeAlreadyDetected[aTouch.fingerId] = true;
if (itsFingerToAreaID.ContainsKey(aTouch.fingerId))
{
OnEventSwipe(new SwipeArgs(itsFingerToAreaID[aTouch.fingerId], itsSwipeSumByFingerID[aTouch.fingerId], aType));
}
else
{
OnEventSwipe(new SwipeArgs(AreaIDFullScreen, itsSwipeSumByFingerID[aTouch.fingerId], aType));
}
// init sum on new touch
itsSwipeSumByFingerID[aTouch.fingerId] = Vector2.zero;
}
}
}
{
// else sum delta
itsSwipeSumByFingerID[aTouch.fingerId] += aTouch.deltaPosition;
}
}
}
public SwipeArgs(int theAreaID, Vector2 theDelta, eSwipeType theType)
{
itsAreaID = theAreaID;
itsDelta = theDelta;
itsType = theType;
}