private void OnEnable()
{
//find player if player == null
if (_player == null)
{
_player = FindObjectOfType <Player>();
}
_source = GetComponent <AudioSource>();
if (_base == null)
{
_base = GameObject.FindGameObjectWithTag("Base");
}
_agent = GetComponent <NavMeshAgent>();
_agent.speed = _movementSpeed;
//depends on _isWaveEnemy
if (_isWaveEnemy == false)
{
SetState(PatrolState.GetInstance());
}
else
{
SetState(ChargeBaseState.GetInstance());
}
}
public static ChargeBaseState GetInstance()
{
if (_instance == null)
{
_instance = new ChargeBaseState();
}
return(_instance);
}
public override void Update(EnemyAgent agent)
{
//update position of the player
agent.SetPlayerTarget();
if (Vector3.Distance(agent.GetNavMeshAgent().destination, agent.transform.position) < agent.GetAttackRange() + 0.5f)
{
agent.SetState(AttackState.GetInstance());
}
if (Vector3.Distance(agent.GetNavMeshAgent().destination, agent.transform.position) > agent.GetFollowRange() + 0.5f)
{
if (agent.GetIsWaveEnemy() == false)
{
agent.SetState(PatrolState.GetInstance());
}
else
{
agent.SetState(ChargeBaseState.GetInstance());
}
}
}
