SpriteSheet<T> constructor
Cuts the image cached at asset into frames of the given size.
Implementation
factory SpriteSheet(
String asset,
Vector2 size, {
required num fps,
bool? loop,
List<SheetRow<T>>? rows,
}) {
final image = Ignis.cache.retrieve<Image>(asset);
return SpriteSheet._(image, size, asset, fps, loop, rows);
}