Help me.
How can I do prismatic joint + motor in like link.
box2dplusdemo2.netlify.com
Sorry for my english.
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That demo is for the commercial Box2D+ plugin:
colludium.itch.io/box2d-plus
You can't do this with the official Physics behavior.
There is another physics addon you can try which has lots of features and is free:
construct.net/en/forum/extending-construct-2/addons-29/behavior-chipmunk-physics-82151