EnemyFollow script doesn't work

Unity Engine
1

This is the script, that makes Enemy Follow path. When the enemy can see player - he is follow the player. But in game it works not correctly. Enemy follow path, but when he sees player - he stops. Please help me.

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Follow : MonoBehaviour {
    public float speed = 5;
    public float waittime = 0.3f;
    Animator anim;
    SpriteRenderer render;
    Light spotlight;
    public float viewdistance;
    float viewangle;
public Transform wayholder;
    public LayerMask layer;
    Transform player;
public Transform rotation;
    Vector3 Dirtoplayer;
    Vector3 lastpos;
    bool canseeplayer = false;
    bool sawplayer = false;

    void Start(){
        player = GameObject.Find ("Player").transform;
    Vector3[] waypoints = new Vector3 [wayholder.childCount];
        for (int i = 0; waypoints.Length > i; i++){
            waypoints = wayholder.GetChild(i).position;
        }
        anim = GetComponent<Animator>();
        spotlight = GetComponentInChildren<Light>();
        viewangle = spotlight.spotAngle;
        render = GetComponent<SpriteRenderer>();
        StartCoroutine (FollowPath(waypoints));
    }
    bool cansee(){
        if (Vector3.Distance (transform.position, player.position) < viewdistance) {
            Dirtoplayer = (player.position - transform.position).normalized;
            float anglebtwGrdNPlayer = Vector3.Angle (transform.right, Dirtoplayer);
                if (anglebtwGrdNPlayer < viewangle / 2f) {
                    if (!Physics2D.Linecast (transform.position, player.position, layer)) {
                        return true;
                }
            }
        }
        return false;
    }
    void LateUpdate(){
        if (cansee ()) {
            canseeplayer = true;
        }
        else{
            canseeplayer = false;
    }
    }

    IEnumerator FollowPath(Vector3[] waypoints){
        transform.position = waypoints [0];
        int targetwayindex = 1;
        if (canseeplayer == true) {
            yield return new WaitForSeconds (0.3f);
        }
            Vector3 targetway = waypoints [targetwayindex];

        while(true){
            if (canseeplayer == true) {
                    lastpos = player.position;
                    transform.position = Vector3.MoveTowards (transform.position, lastpos, speed * Time.deltaTime);
                Debug.Log("pidor confirmed");
                sawplayer = true;
                }
            if (sawplayer == false) {
                transform.position = Vector3.MoveTowards (transform.position, targetway, speed * Time.deltaTime);
                Debug.Log ("pidor undetected");
                if (transform.position == targetway) {
                    targetwayindex = (targetwayindex + 1) % waypoints.Length;
                    targetway = waypoints [targetwayindex];
                    yield return new WaitForSeconds (waittime);
                }
       
            }
            yield return null;
    }    }
}
2

Please read this page for how to post code nicely on the forums and edit your post: Using code tags properly

1 Like
3

You want it to follow the player instead of the path, I imagine, right?

Separately, I can point out that Physics2D.Lineccast returns a RaycastHit2D. You should check the collider(s) for not null, rather than a bool, as you’re doing.

4

Actually cansee function works nicely, i have problem with movement. Idk why, but when he sees player - he stops and do nothing

5

How often does the log print when he sees the player? Always? No errors or anything?

6

Yes, always, no errors.

7

Well, I’m stumped. It seems as though that code should move something each frame by speed.