public class SpriteTester : MonoBehaviour
    {
        // the attached renderer
        private SpriteRenderer _renderer;

        // objec to hold the sheet definition
        private CharacterSpriteSheet _characterSpriteSheet;

        // keep track of the current animation frame
        private int _frame;

        // keep track of time to only update the frame every second
        private float _delta;

        private void Start()
        {
            // get the attached renderer
            _renderer = GetComponent<SpriteRenderer>();

            // create a generator (this loads everything in the resource manager into memory, so if you need a few of these keep this as a singleton somewhere)
            var generator = new CharacterSpriteGenerator(new EmbeddedResourceManager());

            // generate the sprite, this will go over and select random items and all 27 layers and merge them into a single texture (expensive, takes ~200ms)
            _characterSpriteSheet = new CharacterSpriteSheet(generator.GetRandomCharacterSprite());
        }

        private void Update()
        {
            _delta += Time.deltaTime;

            if (_delta > 1f)
            {
                _delta = 0;
                // send in a refrence to the frame integer, will increment and go over the items (if it goes over it will reset to 0 to loop the animation)
                _renderer.sprite = _characterSpriteSheet.GetFrame(Animation.Walk, Orientation.Front, ref _frame);
            }
        }
    }