void Update()
{
#region Single Touch
//single touch start
if (singleTouchStart)
{
for (int i = 0; i < cameras.Length; i++)
{
touchPosition = cameras[i].ScreenToWorldPoint(Input.mousePosition);
touchPosition.z = 0;
inputCollider = Physics2D.OverlapPoint(touchPosition, cameras[i].cullingMask);
if (inputCollider != null)
{
touchedObjectInputEvents = inputCollider.gameObject.GetComponent <MyInputEvents>();
if (touchedObjectInputEvents != null)
{
touchedObject = inputCollider.gameObject;
touchedObjectCamera = cameras[i];
objectPositionOnTouch = touchedObjectCamera.WorldToScreenPoint(touchedObject.transform.position);
maxObjectDisplacement = 0;
touchedObjectInputEvents.Touch(touchedObject, touchedObjectCamera);
if (touchedObjectInputEvents.allowScreenEvents)
{
gameObject.GetComponent <MyInputEvents>().ScreenTouch();
}
break;
}
}
else
{
gameObject.GetComponent <MyInputEvents>().ScreenTouch();
}
}
}
//single touch drag
if (singleTouchDrag)
{
if (touchedObject != null)
{
//how much the touched object has moved on the screen (as ratio of screen height)
float currentObjectDisplacement = ((Vector2)touchedObjectCamera.WorldToScreenPoint(touchedObject.transform.position) - objectPositionOnTouch).magnitude / Screen.height;
if (currentObjectDisplacement > maxObjectDisplacement)
{
maxObjectDisplacement = currentObjectDisplacement;
}
touchedObjectInputEvents.Drag(touchedObject, touchedObjectCamera);
if (touchedObjectInputEvents.allowScreenEvents)
{
gameObject.GetComponent <MyInputEvents>().ScreenDrag();
}
}
else
{
gameObject.GetComponent <MyInputEvents>().ScreenDrag();
}
}
//single touch tap and release
if (singleTouchEnd)
{
if (touchedObject != null)
{
touchPosition = touchedObjectCamera.ScreenToWorldPoint(Input.mousePosition);
touchPosition.z = 0;
inputCollider = Physics2D.OverlapPoint(touchPosition, touchedObjectCamera.cullingMask);
//Tap only occurs if the object is under the touch position and it hasn't moved on the screen more then 0.003 of the height of the screen
if (inputCollider != null && touchedObject == inputCollider.gameObject && maxObjectDisplacement < 0.003f)
{
touchedObjectInputEvents.Tap(touchedObject, touchedObjectCamera);
}
touchedObjectInputEvents.Release(touchedObject, touchedObjectCamera);
if (touchedObjectInputEvents.allowScreenEvents)
{
gameObject.GetComponent <MyInputEvents>().ScreenRelease();
}
touchedObject = null;
}
else
{
gameObject.GetComponent <MyInputEvents>().ScreenRelease();
}
}
#endregion
#region Double Touch
if (doubleTouchStart)
{
gameObject.GetComponent <MyInputEvents>().ScreenDoubleTouchStart(Input.touches[0], Input.touches[1]);
}
if (doubleTouchDrag)
{
gameObject.GetComponent <MyInputEvents>().ScreenDoubleTouchDrag(Input.touches[0], Input.touches[1]);
}
if (doubleTouchEnd)
{
gameObject.GetComponent <MyInputEvents>().ScreenDoubleTouchEnd();
}
#endregion
//mouse scroll wheel
if (Input.GetAxis("Mouse ScrollWheel") != 0)
{
gameObject.GetComponent <MyInputEvents>().MouseScrollWheel(Input.GetAxis("Mouse ScrollWheel") / 10);
}
prevTouchCount = Input.touchCount;
}
public static void Drag(GameObject gameObject, Camera camera)
{
touchedObject = gameObject;
touchedObjectCamera = camera;
touchedObjectInputEvents = touchedObject.GetComponent <MyInputEvents>();
}