Resources 폴더에서 Atlas를 찾아 image 반환하기

  public SpriteAtlas skiil_atlas;  
  
  
  public void LoadAtlasData()
    {
        skiil_atlas = Resources.Load<SpriteAtlas>("Atlas/first_skills_atlas");
        Debug.Log("skiil_atlas Load Complete!");
    }
   
    public Sprite SpriteReturn(string spriteName)
    {
        return skiil_atlas.GetSprite(spriteName);
    }