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math · reference

constrain·

Keeps a number between low and high: handy for keeping a sprite on screen.

use
constrain(num, low, high)
num
the block starts with 1.1
low
the block starts with 0
high
the block starts with 1
kind
a value: it goes inside another block
drawer
Math, in the code room's blocks

player two knows this block

Ask it how constrain works in your game.