private void SwapDrops()
{
sbyte x1, x2, y1, y2;
Vector2 _tempPos;
playerInput = true;
/* Get Board Position */
x1 = TouchStartDrop.GetX();
x2 = TouchEndDrop.GetX();
y1 = TouchStartDrop.GetY();
y2 = TouchEndDrop.GetY();
/* tempPos will help us to save data of first drop position*/
_tempPos = TouchStartDrop.transform.position;
/* Replace position of 'first and second drop' with each other */
if (Mathf.Abs(x1 - x2) + Mathf.Abs(y1 - y2) < 2) // prevents cross movement
{
gameBoard[x2][y2] = TouchStartDrop;
TouchStartDrop.MoveDrops(x2, y2, TouchEndDrop.transform.position);
gameBoard[x1][y1] = TouchEndDrop;
TouchEndDrop.MoveDrops(x1, y1, _tempPos);
}
}