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

public class CameraController : MonoBehaviour {

    Transform player;
    Animator playerAnimator;
    Vector3 targetPosition;

    public Vector3 followOffset, idleOffset;
    public float maxCamSpeed;

	// Use this for initialization
	void Start ()
    {
        player = GameObject.FindGameObjectWithTag("Player").transform;
        playerAnimator = player.GetComponent<Animator>();
        transform.position = player.position - player.forward * idleOffset.z + player.up * idleOffset.y;
    }

	// Update is called once per frame
	void Update ()
    {
        if(playerAnimator.GetBool("isWalking"))
        {
            targetPosition = player.position - player.forward * followOffset.z + player.up * followOffset.y;
        }
        else
        {
            targetPosition = player.position - player.forward * idleOffset.z + player.up * idleOffset.y;
        }

        if ((targetPosition - transform.position).magnitude > maxCamSpeed)
        {
            transform.position += (targetPosition - transform.position).normalized * maxCamSpeed;
        }
        else
        {
            transform.position = targetPosition;
        }

        transform.LookAt(player.position);

        transform.position += (targetPosition - transform.position).normalized * maxCamSpeed;
    }
}