public override void TakeDamage(int damage)
{
currentHealth -= damage;
DamageNumber dn = Instantiate(damageNum, damageNum.GetComponentInParent <Canvas>().transform, true);
float rand = Random.Range(-1f, 1f);
dn.transform.position = gameObject.transform.position;
dn.transform.position += new Vector3(rand, 0);
dn.SetActive(true);
if (currentHealth <= 0)
{
Destroy(gameObject);
}
}