LookRotation

 

 

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

public class Fllow_line : MonoBehaviour
{
    [Header("起始點")]
    public GameObject point;
    private Vector3 end_point;
    private Vector3 start_point;

    float currentAngle;
    float lastAngle;
    Quaternion initQ= Quaternion.identity;
    // Update is called once per frame
    void Update()
    {
        start_point = new Vector3(Camera.main.transform.position.x, 0.2f, Camera.main.transform.position.z);
        end_point = new Vector3(point.transform.position.x, 0.2f, point.transform.position.z);

        Vector3 rayVector3 = end_point - start_point;
        transform.rotation = Quaternion.LookRotation(end_point- start_point);
        transform.position = start_point;

        

        Debug.DrawLine(end_point, start_point);
       
    }
}