void OnTriggerEnter2D(Collider2D collider)
{
if (collider.gameObject.name.Contains("zombie"))
{
ZombieController zc = collider.GetComponent <ZombieController>();
zc.Damage(damage);
Destroy(this.gameObject);
}
else if (!collider.gameObject.name.Contains("player"))
{
Destroy(this.gameObject);
}
}
