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Question by coolbird22 · Jul 27, 2014 at 11:50 AM · collisioncolliderspritepixel

How to achieve 2D pixel perfect collision physics (like Badland) in Unity3D ?

https://www.youtube.com/watch?v=FQ6FmPzoAbU

Above is the example of the kind of collisions I'm aiming for. Is Pixel Perfect collision a possibility ?

A PolygonCollider2D on everything is the only way I can see it happening, which will decrease the performance. Also, for animations with spritesheets, how do you animate the shape of the PolygonCollider2D for every different frame ?

Thanks for your interest and help.

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avatar image tmarques26 · Mar 12, 2017 at 05:00 PM 0
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Hey man, were you able to implement a pixel perfect collision??

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Answer by jchrist00 · Sep 15, 2015 at 12:36 PM

http://timeshapers.com/2014/05/09/pixel-perfect-collision-in-unity-2d/

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Answer by $$anonymous$$ · Nov 16, 2018 at 01:15 AM

I created a free c# script that does this automatically... https://github.com/RandomiaGaming/Unity-PixelPerfectPolygonCollider2D

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avatar image UnityToMakeMoney · Oct 04, 2020 at 09:41 PM 0
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Doesn't work, at least in the 2020 version

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Answer by Athomield3D · Dec 30, 2014 at 01:22 PM

I wouldn't recommend working with pixel perfect colliders, instead, use polygon collider and adjust it using Shift if (I'm not wrong) to achieve almost the same shape if the sprite.

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