void Spawn()
{
if (_playerHealth.GetHealth() <= 0)
{
return;
}
// Find a random index between zero and one less than the number of spawn points.
int spawnPointIndex = Random.Range(0, _spawnPoints.Length);
// Create an instance of the enemy prefab at the randomly selected spawn point's position and rotation.
Instantiate(_enemy, _spawnPoints[spawnPointIndex].position, _spawnPoints[spawnPointIndex].rotation);
}