Differences to Scratch
to summarize:
- sprites (costumes or animations) and objects (code) are separated
- stage size and origin:
- Scratch stage is 480x360px fixed size, with (0,0) origin in Middle Centre
- Gamemaker room is 1366x768px default size, with (0,0) origin in Top Left
- direction:
- in Scratch, 0° is up, 90° is right (default), 180° is down, −90° is left
- in Gamemaker, 0° is right (default), 90° is up, 180° is left, 270° is down