IdleRPG2024/Assets/_2_0Script/Etc/SpritesAnimation.cs

using UnityEngine;

public class SpritesAnimation : MonoBehaviour
{
    [SerializeField] Sprite[] sprites;
    [SerializeField] SpriteRenderer spriteRenderer;

    [SerializeField] float frame;
    [SerializeField] bool loop;

    int currentImgIdx;
    float prevTime;

    private void Awake()
    {
        if(spriteRenderer == null)
            spriteRenderer = GetComponent<SpriteRenderer>();
    }

    private void Update()
    {
        if (sprites.Length == 0) return;

        float delta = Time.time - prevTime;
        float interval = frame / sprites.Length;

        if (delta >= interval)
        {
            prevTime = Time.time;
            if(loop)
                currentImgIdx = (currentImgIdx + 1) % sprites.Length;
            else
                currentImgIdx = Mathf.Min(currentImgIdx + 1, sprites.Length - 1);
        }

        spriteRenderer.sprite = sprites[currentImgIdx];
    }

    private void OnValidate()
    {
        if(spriteRenderer != null)
            spriteRenderer = GetComponent<SpriteRenderer>();
    }
}