static void CheckGestures()
{
UIGestureRecognizer highestGesture = null;
//Update the active gesture first, to see if it is still active
UIGestureRecognizer lastActiveGesture = activeGesture;
if (activeGesture != null)
{
activeGesture.Sample();
if (activeGesture.state == GestureState.Possible || activeGesture.state == GestureState.Failed || activeGesture.state == GestureState.Canceled || activeGesture.state == GestureState.None)
{
activeGesture = null;
}
}
for (int i = 0; i < recognizers.Count; i++)
{
//since we sampled the activeGesture already, and it may be null, don't sample it again.
if (lastActiveGesture != recognizers[i])
{
//If there isn't already an active gesture, we check all, otherwise, we only update gestures that allow simultaneous recognition, however they won't replace the active gesture
if (activeGesture == null)
{
recognizers[i].Sample();
GestureState sampleState = recognizers[i].state;
if (highestGesture == null || recognizers[i].uiTransformNode.WorldDepth > highestGesture.uiTransformNode.WorldDepth)
{
if (sampleState == GestureState.Began || sampleState == GestureState.Changed || sampleState == GestureState.Recognized)
{
highestGesture = recognizers[i];
}
}
}
else if (recognizers[i].AllowSimultaneousRecognition)
{
recognizers[i].Sample();
}
}
}
//Assign a new active gesture
if (highestGesture != null)
{
activeGesture = highestGesture;
}
for (int i = 0; i < recognizers.Count; i++)
{
if (activeGesture != null && activeGesture != recognizers[i] && !recognizers[i].AllowSimultaneousRecognition)
{
// Debug.Log(activeGesture);
recognizers[i].OverrideGesture();
}
if (recognizers[i].sendStateChangeMessage)
{
recognizers[i].SignalState();
}
}
}
