public override void Use()
{
if (GetComponent <Mana>().CanCast(ManaCost))
{
_buffAura.Active = true;
recaculateBuff();
_duration = 2;
// get units within 2 and particle them up
Unit u = GetComponent <Unit>();
foreach (Tile t in TileGrid.Instance.GetTilesAt(transform.position, 2))
{
if (t.isOccuppied && !t.Unit.isHostile(u))
{
Particle.BastionShield(t.transform.position);
}
}
FinishUse();
}
else
{
OOM();
}
}