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Question by TonyConception · Oct 28, 2017 at 10:41 PM · colliderdetectionborder

Detect object borders to add collider

How a game objetc's border could be detected in order to add a collider? The picture below is from my Unity's Scene and Game views. I added a trail renderer on an empty gameobject and moved it so the trail showed a simple shape:

alt text

As can be seen in the left scene side, the "selection outline" gizmo is perfectly drawn around the object, even when the trail cross itself. Id like to detect (or re-generate) those positions to configure an edgecollider2d. I found some explanation using shaders but it's too advanced for me.

I'd appreciate a lot if anyone could provide a guidance or code to help me. I'm also considering paying for this help if anyone is interested.

Thanks in advance.

border.png (59.4 kB)
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