// Update is called once per frame
void Update()
{
if (state == GameState.None)
{
//user has clicked or touched
if (Input.GetMouseButtonDown(0))
{
//get the hit position
var hit = Physics2D.Raycast(Camera.main.ScreenToWorldPoint(Input.mousePosition), Vector2.zero);
if (hit.collider != null) //we have a hit!!!
{
hitGo = hit.collider.gameObject;
state = GameState.SelectionStarted;
}
}
}
else if (state == GameState.SelectionStarted)
{
//user dragged
if (Input.GetMouseButton(0))
{
var hit = Physics2D.Raycast(Camera.main.ScreenToWorldPoint(Input.mousePosition), Vector2.zero);
//we have a hit
if (hit.collider != null && hitGo != hit.collider.gameObject)
{
//user did a hit, no need to show him hints
StopCheckForPotentialMatches();
//if the two shapes are diagonally aligned (different row and column), just return
if (!GameUtilities.AreVerticalOrHorizontalNeighbors(hitGo.GetComponent<Shape>(),
hit.collider.gameObject.GetComponent<Shape>()))
{
state = GameState.None;
}
else
{
state = GameState.Animating;
FixSortingLayer(hitGo, hit.collider.gameObject);
StartCoroutine(FindMatchesAndCollapse(hit));
}
}
}
}
}