void CheckForMultiTouch()
{
if (Input.touchCount == 2 && Input.GetTouch(0).phase == TouchPhase.Moved &&
Input.GetTouch(1).phase == TouchPhase.Moved)
{
curDist = Input.GetTouch(0).position - Input.GetTouch(1).position;
prevDist = ((Input.GetTouch(0).position - Input.GetTouch(0).deltaPosition) -
(Input.GetTouch(1).position - Input.GetTouch(1).deltaPosition));
float touchDelta = curDist.magnitude - prevDist.magnitude;
if (touchDelta > 0)
{
if (OnZoomOut != null)
{
OnZoomOut.Invoke(touchDelta);
}
}
else if (touchDelta < 0)
{
if (OnZoomIn != null)
{
OnZoomIn.Invoke(touchDelta);
}
}
}
#if UNITY_EDITOR
else if (Input.GetAxis("Mouse ScrollWheel") < 0)
{
if (OnZoomOut != null)
{
OnZoomOut.Invoke(Input.GetAxis("Mouse ScrollWheel"));
}
}
else if (Input.GetAxis("Mouse ScrollWheel") > 0)
{
if (OnZoomIn != null)
{
OnZoomIn.Invoke(Input.GetAxis("Mouse ScrollWheel"));
}
}
#endif
else if (Input.touchCount == 2 &&
(Input.GetTouch(0).phase == TouchPhase.Ended ||
Input.GetTouch(0).phase == TouchPhase.Canceled ||
Input.GetTouch(1).phase == TouchPhase.Ended ||
Input.GetTouch(1).phase == TouchPhase.Canceled))
{
if (OnGestureEnd != null)
{
OnGestureEnd.Invoke();
}
}
}
public void ClearAllEventListeners()
{
OnZoomIn.RemoveAllListeners();
OnZoomOut.RemoveAllListeners();
OnGestureEnd.RemoveAllListeners();
}
