void OnMouseDrag()
{
if (!enabled)
{
return;
}
Vector3 pos = Input.mousePosition;
pos.z = -cam.transform.position.z;
pos = cam.ScreenToWorldPoint(pos);
float nx = Mathf.Floor(pos.x) + 0.5f;
float ny = Mathf.Floor(pos.y) + 0.5f;
Debug.Log("Attempting new position of " + nx + "," + ny);
if (tile == null || tile.IsPositionValid(new Vector2(nx, ny)))
{
xform.position = new Vector3(nx, ny, xform.position.z);
}
}