// SET ACTION
private void SetAction()
{
if (hasMoved)
{
// SWIPE
if (speed > TouchHandler._swipeThreshold)
{
action = TouchHandler.actions.Swipe;
swipeDirection = GetSwipeDirection();
}
else
{
swipeStartPos = currentPos;
}
// DRAG
if (action != TouchHandler.actions.Swipe)
{
action = TouchHandler.actions.Drag;
}
}
else
{
// TAP
if (_touch.phase.IsDone() &&
currentPressTime < TouchHandler._longPressTime)
{
action = TouchHandler.actions.Tap;
}
// LONG-PRESS
if (currentPressTime > TouchHandler._longPressTime)
{
action = TouchHandler.actions.LongPress;
}
}
}
public TouchInstance(Touch t)
{
_touch = t;
fingerId = t.fingerId;
startPos = _touch.position;
swipeStartPos = _touch.position;
startTime = Time.time;
action = TouchHandler.actions.Down;
overrideAction = TouchHandler.actions.None;
}
// JUST (RE)TAPPED
public void AddTap()
{
tapCount++;
tapTimer = 0f;
currentPressTime = 0f;
distanceTraveled = 0f;
startPos = _touch.position;
swipeStartPos = _touch.position;
overrideAction = TouchHandler.actions.None;
hasMoved = false;
}
// UPDATE CALLED BY TouchHandler
public void Update()
{
// refresh _touch
_touch = GetTouchById(fingerId);
phase = _touch.phase;
// add a new tap
if (phase == TouchPhase.Began)
{
AddTap();
}
// update properties
currentPos = _touch.position;
magnitude = _touch.deltaPosition.magnitude;
speed = magnitude.PixelsToTouchUnits() / _touch.deltaTime;
velocity = _touch.deltaPosition;
// Moved > dragThreshold
if (Vector2.Distance(startPos, currentPos) > TouchHandler._dragThreshold)
{
hasMoved = true;
distanceTraveled += magnitude / TouchHandler._dragThreshold;
}
// start checking for timeout
// if touch is done
if (_touch.phase.IsDone())
{
tapTimer += Time.deltaTime;
if (tapTimer > TouchHandler._tapTimeout)
{
TouchHandler._touchCache.Remove(this);
}
}
else
{
totalPressTime += Time.deltaTime;
currentPressTime += Time.deltaTime;
}
// ACTIONS
if (overrideAction != TouchHandler.actions.None)
{
action = overrideAction;
}
else
{
SetAction();
}
}
