I need a simple, yet effective collision code

i just simply dont know how to make collision.
Please help.

it does not have to be really simple i get code really well :)

you can paste code down below or you can link a good
forum post or something.


Step event:
if (place_meeting) {

check out the help manual on that function

Unless you mean the english meaning of the word collision. In which case you could make one of the objects solid and the other not. Or honestly just download a platformer engine if you're making a platformer.
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