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

public class PathTracer : MonoBehaviour
{
    [SerializeField]
    private List<Transform> path;
    private Vector3 currTargetPos;
    [SerializeField]
    private int currTargetIndex;
    [SerializeField]
    private float speed;
    [SerializeField][Tooltip("True = Go back to first pos; False = Inverse list")]
    private bool loop = true;
    private Rigidbody rb;
    // Start is called before the first frame update
    void Start()
    {
        rb = GetComponent<Rigidbody>();
        rb.position = path[0].position;
        currTargetIndex = 1;
        currTargetPos = path[currTargetIndex].position;
    }

    // Update is called once per frame
    void Update()
    {
        if(Vector3.Distance(transform.position, currTargetPos) <= 0){
            currTargetIndex++;
            if(currTargetIndex >= path.Count){
                if(!loop){
                    path.Reverse();
                }
                currTargetIndex = 0;
            }
            
            currTargetPos = path[currTargetIndex].position;
        }
        rb.position = Vector3.MoveTowards(transform.position, currTargetPos, speed/100);//Magic number pour avoir une better time in inspector
    }

}