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

public class FollowTarget : MonoBehaviour {

    public Transform target;

    public Vector3 offset;
    public float smoothTime = 0.1f;

    private float velocity;
    private Transform myTransform;
    
    // Use this for initialization
    void Awake () {
        myTransform = GetComponent<Transform>();
	}
	
	// Update is called once per frame
	void Update () {
        if (target == null) return;

        Vector3 pos = target.position + offset;
        Vector3 now = myTransform.position;

        if (pos.Equals(now)) return;

        float distance = Vector3.Distance(pos, now);

        float v = Mathf.SmoothDamp(0, distance, ref velocity, smoothTime);
        myTransform.position =  Vector3.MoveTowards(now, pos, v);
	}
}