private void SideMove(int dir)
{
lastMoveTime = Time.time;
Vector2 disp = new Vector2(dir, 0);
List <GameObject> markerList = new List <GameObject>(markers.Keys);
foreach (GameObject marker in markerList)
{
if ((markers[marker].x + dir >= width || markers[marker].x + dir < 0) ||
treeGrid.Occupied(markers[marker] + disp))
{
return;
}
}
foreach (GameObject marker in markerList)
{
marker.transform.position = marker.transform.position + (Vector3)(gridSpacing * disp);
markers[marker] = markers[marker] + disp;
}
}