void TakeDamage()
{
_hearts.playerHealth = _hearts.playerHealth - damage;
_hearts.UpdateHealth();
changeAnimationState(PLAYER_HIT);
AudioManager.PlaySound("player_hurt");
if (_hearts.playerHealth <= 0)
{
// player dead
SceneManager.LoadScene(SceneManager.GetActiveScene().name);
changeAnimationState(PLAYER_DEAD);
}
}