I did something similar in recent months, where I generated separate bitmap tiles for all sub-tile movements and rotations: https://github.com/uguu-org/ikaruga

I did something similar in recent months, where I generated separate bitmap tiles for all sub-tile movements and rotations: https://github.com/uguu-org/ikaruga-snake/blob/master/source/tiles-table-32-32.png https://github.com/uguu-org/ikaruga-snake/blob/master/source... This seems like a common trick for tile-based display environments.