/** override functions */
public virtual bool TouchBegan(CCTouch pTouch, CCEvent touchEvent)
{
if (!Visible)
{
return(false);
}
var frame = ViewRect;
//dispatcher does not know about clipping. reject _touches outside visible bounds.
if (_touches.Count > 2 ||
IsTouchMoved ||
!frame.ContainsPoint(_container.Layer.ScreenToWorldspace(pTouch.LocationOnScreen)))
{
return(false);
}
if (!_touches.Contains(pTouch))
{
_touches.Add(pTouch);
}
if (_touches.Count == 1)
{
// scrolling
_touchPoint = Layer.ScreenToWorldspace(pTouch.LocationOnScreen);
IsTouchMoved = false;
Dragging = true; //Dragging started
_dragginStartTime = DateTime.Now;
_scrollDistance = CCPoint.Zero;
_touchLength = 0.0f;
}
else if (_touches.Count == 2)
{
_touchPoint = CCPoint.Midpoint(Layer.ScreenToWorldspace(_touches[0].LocationOnScreen), Layer.ScreenToWorldspace(_touches[1].LocationOnScreen));
_touchLength = CCPoint.Distance(_container.Layer.ScreenToWorldspace(_touches[0].LocationOnScreen), _container.Layer.ScreenToWorldspace(_touches[1].LocationOnScreen));
Dragging = false;
}
return(true);
}
