Mesh mesh collision c#

Hi,

How to check mesh collision (get bool true) between two simple geometries let say mesh pyramids, if they are are colliding with each other?

And get false if they are on top of other mesh faces / are not physically intersecting?

Thanks.

Replies to This Discussion

Permalink Reply by Tomas Vinkevicius on November 14, 2016 at 5:38am

Hi,

Thanks, but the issue I have when using mesh mesh intersection or other rhinoCommon methods is that I get true, but I need to get false when the mesh is top of each other (when just touching not intersecting) .

Do you have any ideas for this?

Permalink Reply by Tomas Vinkevicius on November 14, 2016 at 7:49am

Thanks works:)

Permalink Reply by Anders Holden Deleuran on November 14, 2016 at 2:53am

You can use the Mesh Mesh Intersection component and then check the results if it outputs any polylines. This will only work for cases where the faces intersect though (i.e. not if one mesh is fully inside the other). In such cases you can check vertices for containment using the Mesh Inclusion component. Note that RhinoCommon has a MeshClash class as well as two mesh intersection methods (a,b). I assume these are used by the GH component. You can use the IsPointInside method to check if vertices from one mesh are contained inside another.

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