public static bool CheckRaycastObject(Vector2 position, GameObject gameObject)
{
var isFound = false;
var rayResult = TouchHelper.RaycastGUI(position);
return(rayResult.gameObject == gameObject ? true : false);
}
// Update is called once per frame
void Update()
{
// If no finger touched the screen, do nothing
if (Input.touchCount == 0)
{
return;
}
/*
* if (touchDelayed == false)
* {
* if (touchDelayCoroutine == null)
* {
* touchDelayCoroutine = TouchDelay(touchDelay);
* StartCoroutine(touchDelayCoroutine);
* }
* return;
* }
*/
// One finger Gestures
if (Input.touchCount == 1)
{
var finger = Input.touches[0];
// When finger touched; store the start position of it
if (finger.phase == TouchPhase.Began)
{
startPositions[0] = finger.position;
// Check if this object is under the touched position
if (TouchHelper.CheckRaycastObject(finger.position, this.gameObject))
{
// Start HoldCoroutine to detect if finger is pressing and holding
holdCoroutine = FingerHold(finger.position);
StartCoroutine(holdCoroutine);
}
}
else if (finger.phase == TouchPhase.Ended || finger.phase == TouchPhase.Canceled)
{
// IF finger touch is ended or canceled
// Stop Hold coroutine and store the end position of finger
if (holdCoroutine != null)
{
StopCoroutine(holdCoroutine);
}
endPositions[0] = finger.position;
// Check if this object is under the touched position
if (TouchHelper.CheckRaycastObject(finger.position, this.gameObject))
{
// Detect if the finger is moved out of swipe threshold
if (!isTwoFingerPressed)
{
DetectSwipe(endPositions[0] - startPositions[0]);
}
// If gesture type is still touch (No swipe detection and no second finger touched)
// trigger the Touch event handler
if (GestureType == GestureTypes.Touch)
{
OnTouch?.Invoke(finger.position);
}
}
// Reset the values
Reset();
return;
}
}
// Two finger Gestures
if (Input.touchCount == 2)
{
isTwoFingerPressed = true;
// If Hold coroutine is started, stop it
if (holdCoroutine != null)
{
StopCoroutine(holdCoroutine);
}
// Iterate through all fingers to assign start and end positions
for (int i = 0; i < Input.touchCount; i++)
{
if (Input.touches[i].phase == TouchPhase.Began)
{
// If fingers touched, store start positions of two fingers
startPositions[i] = Input.touches[i].position;
}
else if (Input.touches[i].phase == TouchPhase.Moved)
{
// Store end positions of fingers
endPositions[i] = Input.touches[i].position;
}
else if (Input.touches[i].phase == TouchPhase.Ended || Input.touches[i].phase == TouchPhase.Canceled)
{
// Detect if fingers got closed to each other or got away from each other
DetectPinch(startPositions, endPositions);
// Reset the values
Reset();
isTwoFingerPressed = false;
return;
}
}
}
}
