Issue With PolyGon Collider 2D and Circular Meshes: Feature/Bug Fix Request !

Hello !

I've noticed a *Blocking Issue* when working with 2d Polygon collider:
it does not works with circular meshes like the built-in unity Cylinder ! impossible to use it.

imagine you need to make a rounded but yet polygonal planet or object... then you're practically obliged to use CircleCollider2D !

The Fact is that the circle collider is well rounded whereas it's impossible to get a perfectly rounded polygonal shape (except with billion of triangles), same thing append with a sprite, else you need a huge resolution (I haven't tested yet)....

so if circle collider fails to follow the shape of your objects, then the polygon collider should helps, I think, with more precision, following the edge and general silhouette.

What I notice: PolygonCollider2D fails at producing the polygonal circular shapes, I believe because I've tested different ways, without success ! maybe it need a bug Fix or improvement from Unity team ....

else, can you help me: how can I do? I try to make a 2D Planet walk-able, it's not a problem if it is not perfectly rounded and rather made of noticeable polygons... all I need is a 2D collider that matches the shape of the planet ! how can I do Then?

illustration :


thanks in advance ! - Your Dev, regards -

 

What about 11 edge colliders?

 

I don't understand what you mean. There aren't any issues making polygon colliders in the shape of whatever you want, including flat-edged circle-like shapes. You'd probably want to make it via script rather than manually creating it in the editor, since that would be easier/more precise.

--Eric