} // end co-routine checkCycle
IEnumerator revertSwap(int x, int y, int mousePositionX, int mousePositionY, MatchObjectController oldSelectedObject, MatchObjectController newSelectedObject, GameObject Swap)
{
yield return(new WaitForSeconds(0.25f));
grid[x][y] = grid[mousePositionX][mousePositionY];
oldSelectedObject.xPos = x;
oldSelectedObject.yPos = y;
oldSelectedObject.swap = true;
grid[mousePositionX][mousePositionY] = Swap;
newSelectedObject.xPos = mousePositionX;
newSelectedObject.yPos = mousePositionY;
newSelectedObject.swap = true;
newSelectedObject.SortUp();
if (!mouseDeactive)
{
mouseActive = true;
}
} // end co-routine revertSwap
} // end function start
void Update()
{
// get mouse position relative to icons position on screen
mouseVector = camera.ScreenToWorldPoint(Input.mousePosition);
mousePositionX = Mathf.RoundToInt(mouseVector.x);
mousePositionY = Mathf.RoundToInt(mouseVector.y);
if (Input.GetMouseButtonUp(0))
{
mouseDown = false;
}
// if the user clicks
if ((Input.GetMouseButtonDown(0) || mouseDown) && mousePositionX >= 0 && mousePositionX < gridX && mousePositionY >= 0 && mousePositionY < gridY && mouseActive)
{
mouseDown = true;
if (Selected.Count == 0)
{
// switch to selected sprite
grid[mousePositionX][mousePositionY].GetComponent <MatchObjectController>().SetSelected();
Selected.Add(mousePositionX);
Selected.Add(mousePositionY);
}
else if (Selected[0] == mousePositionX && (Selected[1] == (mousePositionY - 1) || Selected[1] == (mousePositionY + 1)) ||
Selected[1] == mousePositionY && (Selected[0] == (mousePositionX - 1) || Selected[0] == (mousePositionX + 1)))
{
mouseActive = false;
mouseDown = false;
MatchObjectController oldSelectedObject = grid[Selected[0]][Selected[1]].GetComponent <MatchObjectController>();
MatchObjectController newSelectedObject = grid[mousePositionX][mousePositionY].GetComponent <MatchObjectController>();
oldSelectedObject.ClearSelected();
GameObject Swap = grid[mousePositionX][mousePositionY];
grid[mousePositionX][mousePositionY] = grid[Selected[0]][Selected[1]];
oldSelectedObject.xPos = mousePositionX;
oldSelectedObject.yPos = mousePositionY;
oldSelectedObject.swap = true;
oldSelectedObject.SortUp();
grid[Selected[0]][Selected[1]] = Swap;
newSelectedObject.xPos = Selected[0];
newSelectedObject.yPos = Selected[1];
newSelectedObject.swap = true;
if (checkMatch())
{
StartCoroutine(checkCycle());
}
else
{
StartCoroutine(revertSwap(Selected[0], Selected[1], mousePositionX, mousePositionY, oldSelectedObject, newSelectedObject, Swap));
}
Swap = null;
Selected.Clear();
Selected.TrimExcess();
}
else if (mousePositionX != Selected[0] || mousePositionY != Selected[1])
{
// switch back to unselected sprite
grid[Selected[0]][Selected[1]].GetComponent <MatchObjectController>().ClearSelected();
Selected.Clear();
Selected.TrimExcess();
}
}
} // end function Update