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

public class CameraPositioner : MonoBehaviour
{
    public GameObject TrackEntity;
    public float SwitchTime;

    private Vector3 _from;
    private float _t;
    private bool _switching;

    void LateUpdate()
    {
        if (_switching && SwitchTime > 0)
        {
            transform.position = Vector3.Lerp(_from, TrackEntity.transform.position, _t);
            var dt = Time.deltaTime / SwitchTime;
            _t += dt;
            if (_t >= 1)
            {
                _switching = false;
                _from = TrackEntity.transform.position;
            }
            return;
        }
        var dp = TrackEntity.transform.position - _from;
        transform.position += dp;
        _from = TrackEntity.transform.position;
    }

    // TODO(zeph): switch track entities
}