Added minor alterations to code which only assign background-image if imageURL is present. Prevents sprites breaking when no imageURL present and add versatility of assigning background-image via a css class if needed and overriding on a per animation basis.
Added minor alterations to code which only assign background-image if imageURL is present. Prevents sprites breaking when no imageURL present and add versatility of assigning background-image via a css class if needed and overriding on a per animation basis.