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Question by agilanbtdw · Nov 17, 2017 at 04:51 PM · texture2dcollider2dedge

Coloring a EdgeCollider2D GameObject

I am trying to draw screen boundaries for my first game in unity. I have managed to generate random EdgeCollider2D points which plots the boundary. Below image shows what I've done so far, alt text

I am now trying to color the region between the camera end and the edge collider. Rough idea of what I am trying to implement, alt text

I am not able to figure out a way to get this done. Am I missing anything so simple or is my approach for creating boundaries is itself wrong? Do help me. Thanks a lot!

so-far-done.png (13.8 kB)
my-goal.png (40.3 kB)
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Answer by agilanbtdw · Nov 18, 2017 at 12:39 PM

Found out a way by myself. Posting my approach just in case someone else is facing a similar problem and also to validate my approach. Upon researching, any gameobject that needs a color (Material) has to have a mesh. In my case I just had the edge collider generated through a script. Hence I had to somehow create meshes for those dynamically generated vertices. I searched for ways to procedurally create meshes for a given set of vertices. And it worked,alt text

I am still looking for ways to optimize it. Should you need more info, just comment below and I would be happy to share the process. Thank you.


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avatar image loldi · Jul 18, 2018 at 01:42 AM 0
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Hey, interested in learning how you did the mesh generation as I'm facing the same challenge right now. Thank you!

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