internal void recognizeTouches(List <TSTouch> touches)
{
for (var i = touches.Count - 1; i >= 0; i--)
{
TSTouch touch = touches[i];
switch (touch.phase)
{
case TouchPhase.Began:
{
touchesBegan(touches);
break;
}
case TouchPhase.Moved:
{
touchesMoved(touches);
break;
}
case TouchPhase.Ended:
case TouchPhase.Canceled:
{
touchesEnded(touches);
break;
}
}
}
}
internal override bool canTrigger(List <TSTouch> touches)
{
if (touches.Count == touchCounts)
{
bool result = true;
for (int i = 0; i < touchCounts; i++)
{
TSTouch touch = touches[i];
if (touch.phase != TouchPhase.Ended && touch.deltaPosition.magnitude > minMoveDistance)
{
}
else
{
result = false;
}
}
if (result)
{
result = isIdentical(touches);
}
if (result && gestureCanTrigger != null)
{
return(gestureCanTrigger());
}
else
{
return(result);
}
}
return(false);
}
void Awake()
{
touchesCache = new TSTouch[maxTouches];
for (int i = 0; i < maxTouches; i++)
{
touchesCache[i] = new TSTouch(i);
}
}
private void gestureRecognized()
{
TSTouch touch0 = tracingTouches[0];
TSTouch touch1 = tracingTouches[1];
float currentDistance = vector2Distance(touch0, touch1);
deltaDistance = currentDistance - distance;
distance = currentDistance;
emitRecognizedEvent();
}
internal override bool canTrigger(List <TSTouch> touches)
{
if (touches.Count == 1)
{
TSTouch touch = touches[0];
if (touch.phase == TouchPhase.Ended && touch.deltaPosition.magnitude < maxMoveDistance)
{
return(true);
}
}
return(false);
}
internal override void touchesEnded(List <TSTouch> touches)
{
if (touches.Count == 1)
{
TSTouch touch = touches[0];
tracingTouches.Add(touch);
state = RecognizerState.Recognized;
emitRecognizedEvent();
}
state = RecognizerState.Ended;
end();
reset();
}
private void gestureEnd()
{
if (state == RecognizerState.Recognized || state == RecognizerState.Began)
{
state = RecognizerState.Ended;
TSTouch touch0 = tracingTouches[0];
TSTouch touch1 = tracingTouches[1];
float currentDistance = vector2Distance(touch0, touch1);
deltaDistance = currentDistance - distance;
distance = currentDistance;
emitEndEvent();
end();
reset();
}
}
internal override void touchesMoved(List <TSTouch> touches)
{
if (touches.Count == 2)
{
// if (!isOpposite(touches))
// {
// gestureEnd();
// }
if (state == RecognizerState.Possible)
{
state = RecognizerState.Began;
for (int i = 0; i < 2; i++)
{
TSTouch touch = touches[i];
tracingTouches.Add(touch);
}
TSTouch touch0 = tracingTouches[0];
TSTouch touch1 = tracingTouches[1];
startDistance = vector2Distance(touch0, touch1);
distance = startDistance;
deltaDistance = 0;
emitBeginEvent();
}
else if (state == RecognizerState.Began)
{
state = RecognizerState.Recognized;
gestureRecognized();
}
else if (state == RecognizerState.Recognized)
{
gestureRecognized();
}
}
}
internal override bool canTrigger(List <TSTouch> touches)
{
if (touches.Count == 2)
{
bool result = true;
for (int i = 0; i < 2; i++)
{
TSTouch touch = touches[i];
if (touch.phase != TouchPhase.Ended && touch.deltaPosition.magnitude > minMoveDistance)
{
}
else
{
result = false;
}
}
if (result)
{
return(isOpposite(touches));
}
}
return(false);
}
internal override void touchesMoved(List <TSTouch> touches)
{
if (touches.Count == touchCounts)
{
// if (!isIdentical(touches))
// {
// gestureEnd();
// }
if (state == RecognizerState.Possible)
{
state = RecognizerState.Began;
for (int i = 0; i < touchCounts; i++)
{
TSTouch touch = touches[i];
tracingTouches.Add(touch);
}
startPosition = midStartPosition(tracingTouches);
position = midPosition(tracingTouches);
deltaPosition = midDeltaPosition(tracingTouches);
emitBeginEvent();
}
else if (state == RecognizerState.Began)
{
state = RecognizerState.Recognized;
gestureRecognized();
}
else if (state == RecognizerState.Recognized)
{
gestureRecognized();
}
}
}
private float vector2Distance(TSTouch t1, TSTouch t2)
{
return(Vector2.Distance(t1.position, t2.position));
}
