//Graphic change and bool lock for getting damage for set duration
private IEnumerator Invulnerable()
{
invulnerabilityGraphics.SetInvulnerable();
invulnerable = true;
yield return(new WaitForSeconds(invulnerableDuration));
invulnerable = false;
invulnerabilityGraphics.SetStandard();
}
//Graphic change and bool lock for getting damage for set duration.
private IEnumerator Invulnerable()
{
int originalLayer = gameObject.layer;
invulnerabilityGraphics.SetInvulnerable();
gameObject.layer = 0;
yield return(new WaitForSeconds(invulnerableDuration));
gameObject.layer = originalLayer;
invulnerabilityGraphics.SetStandard();
}