Toma te dejo un script que hice para que puedas ver como se hace.
using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityEngine.EventSystems;
[RequireComponent(typeof(NavMeshAgent))]
public class Player_ai : MonoBehaviour
{
Transform Target;
NavMeshAgent Agent;
Animator Anim;
public float Speed = 1.0f;
public float Rango;
public float distanciaS = 1.0f;
public float distanciaP = 2.0f;
public float sinkSpeed = 2.5f;
public SphereCollider colisionPuno;
public SphereCollider colisionPata;
void Start()
{
Target = GameObject.FindGameObjectWithTag("Player").transform;
Anim = GetComponent<Animator>();
Agent = GetComponent<NavMeshAgent>();
colisionPata.isTrigger = false;
colisionPuno.isTrigger = false;
}
void Update()
{
if (vidaPlayer.vida > 0)
{
Agent.SetDestination(Target.position);
StartCoroutine(idle());
}
else
{
Agent.enabled = false;
}
}
IEnumerator idle()
{
yield return new WaitForSeconds(1f);
if (Vector3.Distance(transform.position, Target.position) >= distanciaS)
{
Anim.SetFloat("idle", 0.0f);
colisionPata.isTrigger = false;
colisionPuno.isTrigger = false;
if (Vector3.Distance(transform.position, Target.position) <= distanciaP)
{
Anim.SetFloat("idle", 1.0f);
colisionPata.isTrigger = false;
colisionPuno.isTrigger = false;
StartCoroutine(patada());
StartCoroutine(punetazo());
}
}
yield return null;
}
IEnumerator patada()
{
yield return new WaitForSeconds(2f);
if (Vector3.Distance(transform.position, Target.position) >= distanciaS)
{
Anim.SetFloat("patada", 1.0f);
Anim.SetFloat("idle", 0.0f);
colisionPata.isTrigger = true;
if (Vector3.Distance(transform.position, Target.position) >= distanciaP)
{
Anim.SetFloat("patada", 0.0f);
Anim.SetFloat("idle", 0.0f);
colisionPata.isTrigger = false;
}
}
yield return null;
}
IEnumerator punetazo()
{
yield return new WaitForSeconds(4f);
if (Vector3.Distance(transform.position, Target.position) >= distanciaS)
{
Anim.SetFloat("patada", 0.0f);
Anim.SetFloat("punetazo", 1.0f);
Anim.SetFloat("idle", 0.0f);
colisionPuno.isTrigger = true;
if (Vector3.Distance(transform.position, Target.position) >= distanciaP)
{
Anim.SetFloat("patada", 0.0f);
Anim.SetFloat("punetazo", 0.0f);
Anim.SetFloat("idle", 0.0f);
colisionPuno.isTrigger = false;
}
}
yield return null;
}
}