public void DecreaseHealthBy(float healthDecrement)
{
this.health -= healthDecrement;
if (this.health <= 0)
{
// if it's a defender I need to free its position from the grid to be able to spawn again in that position
if (this.GetComponent <Defenders>())
{
defenderSpawner.FreePos(this.transform.position);
}
DestroyObject();
}
}