void OnDrawGizmosSelected()
{
foreach (EnemyUnit u in Units)
{
if (u.Enemy == null)
{
GizmosUtil.GizmosDrawRect(5 + u.Coord.x * 10, 5 + u.Coord.y * 10, 10f, 10, 10, Color.red);
}
else
{
GizmosUtil.GizmosDrawRect(5 + u.Coord.x * 10, 5 + u.Coord.y * 10, 10f, 10, 10, Color.gray);
}
}
}
