PlayAnimation

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

[RequireComponent(typeof(SpriteRenderer))]
public class PlayAnimation : MonoBehaviour {

    public float playSpeed = 1;
    public List<Sprite> frames;

    int currentFrame = 0;
    float timer = 0;

    // Use this for initialization
    void Start () {

    }

    // Update is called once per frame
    void Update () {
        timer += Time.fixedDeltaTime;

        if( timer >= playSpeed )
        {
            timer = 0;
            if( currentFrame++ == frames.Count-1)
            {
                currentFrame = 0;
            }

            GetComponent<SpriteRenderer>().sprite = frames[currentFrame];
        }
    }
}