using System.Collections;
using UnityEngine;
using UnityEngine.UI;

public class ImageLoop : MonoBehaviour
{
    public Sprite[] sprites;
    public int LoopSpeed = 2;
    [Tooltip("0 초과 시 돌아감"), Range(0f, 10f)]
    public float zRot_Speed = 0f;
    Image image;
    SpriteRenderer spriteRenderer;

    private void Awake()
    {
        image = GetComponent<Image>();
        spriteRenderer = GetComponent<SpriteRenderer>();
    }

    private void OnEnable()
    {
        StopAllCoroutines();
        StartCoroutine(Co_Update());
    }

    private IEnumerator Co_Update()
    {
        int index = -1;
        float r_z = 0f;
        while (true)
        {
            ++index;
            if (index >= sprites.Length)
                index = 0;
            if (image) image.sprite = sprites[index];
            else if (spriteRenderer) spriteRenderer.sprite = sprites[index];

            if (zRot_Speed > 0f)
            {
                transform.eulerAngles = new Vector3(0f, 0f, r_z);
                r_z += zRot_Speed;
                if (r_z > 359f) r_z = 0f;
            }

            for (int i = 0; i < LoopSpeed; i++)
                yield return null;
        }
    }
}