New answers tagged piece-usage
Based on the image on the Scratch home page, I would simply wrap the substructure in a single color, which represents the loop. For example: ______ |_Loop_|__ |__|__s1__| |__|__s2__| |__|__s3__| |______| If that makes sense.
A conditional can perhaps be represented by a door that can be blocked from the other side, or maybe two doors, of which only one is blocked via a sliding brick. As for loops, I would represent them as conditionals with counters, by blocking a door with a set number of bricks and removing one brick per iteration. If you'd rather count upwards, then a fixed ...
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