void OnMouseDown()
{
if (render.sprite == null || BoardController.instance.IsShifting)
{
return;
}
if (isSelected)
{
Deselect();
}
else
{
if (previousSelected == null)
{
Select();
}
else
{
//swap sprites only if rhem adjoined
if (GetAllAdjoinedTiles().Contains(previousSelected.gameObject))
{
cleared = false;
SwapSprite(previousSelected.render);
previousSelectedTemp = previousSelected;
previousSelected.Deselect();
ClearAllMatches();
//find all matches on board
StopCoroutine(BoardController.instance.FindMatchesOnBoard());
StartCoroutine(BoardController.instance.FindMatchesOnBoard());
//cancel swap if matching isn't found
if (!cleared)
{
SwapSprite(previousSelectedTemp.GetComponent <SpriteRenderer>());
previousSelectedTemp = null;
cleared = false;
}
}
else
{
previousSelected.GetComponent <ElementController>().Deselect();
Select();
}
}
}
}
private List <GameObject> FindMatch(Vector2 castDir, ElementController gameObject)
{
List <GameObject> matchingTiles = new List <GameObject>();
RaycastHit2D hit = Physics2D.Raycast(transform.position, castDir);
while (hit.collider != null && hit.collider.GetComponent <SpriteRenderer>().sprite == gameObject.GetComponent <SpriteRenderer>().sprite)
{
matchingTiles.Add(hit.collider.gameObject);
hit = Physics2D.Raycast(hit.collider.transform.position, castDir);
}
return(matchingTiles);
}