public void OnPointerDown(PointerEventData eventData)
{
// step from unused to single touch?
if ((eventData.pointerId == -1 || eventData.pointerId == 0) && _recieveMode == 0)
{
_recieveMode = 1;
_firstTouch.positionOrigin = eventData.position;
_firstTouch.positionCurrent = eventData.position;
_firstTouch.startTime = Time.time;
_firstTouch.duration = 0;
_firstTouch.moved = false;
if (_singleListener != null)
{
_singleListener.OnSingleStart(_firstTouch);
}
}
// step from single touch to double touch?
else if (eventData.pointerId == 1 && _recieveMode == 1)
{
if (_singleListener != null)
{
_singleListener.OnSingleEnd(_firstTouch);
}
_recieveMode = 2;
_secondTouch.positionOrigin = eventData.position;
_secondTouch.positionCurrent = eventData.position;
_secondTouch.startTime = Time.time;
_secondTouch.duration = 0;
_secondTouch.moved = false;
if (_dualListener != null)
{
_dualListener.OnDualStart(_firstTouch, _secondTouch);
}
}
}
void Update()
{
IExposedInputModule exposedModule = _eventSystem.currentInputModule as IExposedInputModule;
if (exposedModule != null)
{
Dictionary <int, UnityEngine.EventSystems.PointerEventData> pointers = exposedModule.Pointers;
if (pointers.ContainsKey(-1) && pointers[-1].selectedObject == null)
{
UnityEngine.EventSystems.PointerEventData eventData = pointers[-1];
if (_recieveMode == 0)
{
_recieveMode = 1;
_firstTouch.positionOrigin = eventData.position;
_firstTouch.positionCurrent = eventData.position;
_firstTouch.startTime = Time.time;
_firstTouch.duration = 0;
_firstTouch.moved = false;
if (_singleListener != null)
{
_singleListener.OnSingleStart(_firstTouch);
}
}
}
else
{
if (_recieveMode == 1)
{
_recieveMode = 0;
if (_singleListener != null)
{
_singleListener.OnSingleEnd(_firstTouch);
}
}
else if (_recieveMode == 2)
{
_recieveMode = 0;
if (_dualListener != null)
{
_dualListener.OnDualEnd(_firstTouch, _secondTouch);
}
}
}
if (pointers.ContainsKey(0) && pointers[0].selectedObject == null)
{
UnityEngine.EventSystems.PointerEventData eventData = pointers[0];
if (_recieveMode == 0)
{
_recieveMode = 1;
_firstTouch.positionOrigin = eventData.position;
_firstTouch.positionCurrent = eventData.position;
_firstTouch.startTime = Time.time;
_firstTouch.duration = 0;
_firstTouch.moved = false;
if (_singleListener != null)
{
_singleListener.OnSingleStart(_firstTouch);
}
}
}
else
{
if (_recieveMode == 1)
{
_recieveMode = 0;
if (_singleListener != null)
{
_singleListener.OnSingleEnd(_firstTouch);
}
}
else if (_recieveMode == 2)
{
_recieveMode = 0;
if (_dualListener != null)
{
_dualListener.OnDualEnd(_firstTouch, _secondTouch);
}
}
}
if (pointers.ContainsKey(1) && pointers[1].selectedObject == null)
{
UnityEngine.EventSystems.PointerEventData eventData = pointers[1];
if (_recieveMode == 1)
{
if (_singleListener != null)
{
_singleListener.OnSingleEnd(_firstTouch);
}
_recieveMode = 2;
_secondTouch.positionOrigin = eventData.position;
_secondTouch.positionCurrent = eventData.position;
_secondTouch.startTime = Time.time;
_secondTouch.duration = 0;
_secondTouch.moved = false;
if (_dualListener != null)
{
_dualListener.OnDualStart(_firstTouch, _secondTouch);
}
}
}
else
{
if (_recieveMode == 2)
{
_recieveMode = 0;
if (_dualListener != null)
{
_dualListener.OnDualEnd(_firstTouch, _secondTouch);
}
}
}
}
}
