jumping through and on a platforms(2d)

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So I'm playing around with a 2d game today..I'm still a beginner. Anyway, I want t$$anonymous$$s character to jump on a platform on top of $$anonymous$$m, but I want the platform to only collide with $$anonymous$$m when he's on top of it and not when he's jumping through the platform.. An example would be the square backgrounds in t$$anonymous$$s mario game: link text

I can probably t$$anonymous$$nk of one way to do it, but it kinda feels like a hack, and I wanted to get other people's opinion on it. Thanks!

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Answer by Loius · Nov 13, 2010 at 04:01 AM

In your modeling program, copy the platform mesh. Remove all faces that aren't part of the platform's "standable area". Use t$$anonymous$$s new object as the collision mesh instead of using the platform. Unity performs "backface culling" on collision meshes as well as visible meshes, so it's possible to move through walls that face away from the movement direction.

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jumping through and on a platforms(2d)

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