void HandleInput()
{
if (Input.touchCount == 1)
{
Touch touch = Input.GetTouch(0);
touchPosition = (Vector2)Camera.main.ScreenToWorldPoint(
touch.position
);
RaycastHit2D raycastHit = Physics2D.Raycast(
touchPosition, Vector3.forward, Mathf.Infinity
);
if (elementClicked != null)
{
switch (touch.phase)
{
case TouchPhase.Moved:
elementClicked.TouchDrag();
break;
case TouchPhase.Ended:
elementClicked.TouchUp();
elementClicked = null;
break;
}
}
else if (touch.phase == TouchPhase.Began)
{
if (raycastHit)
{
elementClicked = raycastHit.collider
.GetComponent <ITouchable>();
}
if (elementClicked != null)
{
elementClicked.TouchDown();
}
}
}
else
{
ClearElementClicked();
}
}
