Map collision

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brrdevtrueHelp

Hi, thank for reading my comment.

Map collision is a grand problem to me. Anyone can explain how this works?

    1. I've tried to understand, but like complicated
    1. I will be grateful because a message with the explain
    1. Tiles can be used to know platforms?
    1. I separate wall and platform?
    1. This works to javascript?
 I dont see the codes in links because are complex the "organization" all of times :(
thank for read all

i dont need more because I found out that it's just to use get(x, y)