Click anywhere to modify. This will show you how I made the tilemap work! If you want to use my tilemap engine, see https://scratch.mit.edu/projects/879491007/
A black square with an X through it means that there's a glitch/error. If you see one while using the project, please tell me. That said, you shouldn't ever see one -- unless you decide to amuse yourself by pressing i, which will break the data structure for you on purpose. Based on my other project, Infinite Tilemap v1.1