Hi,Radu

Thank you very much for your prompt reply. The issue you pointed out is 
correct: I made a mistake in the direction of the normal. When I corrected 
this issue, it seems to work properly. In this demo, I just tested using a 
triangular mesh for collisions, and in the future, I will use complex 
models for precise collisions

 

You mentioned that there are many issues with my code, can you help me 
point them out? Thank you very much. I am very interested in this physics 
engine

 

--Page

在2023年11月30日星期四 UTC+8 16:02:20<Radu Serban> 写道:

> Page,
>
>  
>
> First of all, please attach code as a text file, not a Word document!
>
>  
>
> There are many issues with the code you provided and it’s not clear to me 
> why you are trying such a low-level approach when other solutions are 
> available. If you are convinced you need to create a 
> ChTriangleMeshConnected programmatically (hopefully for something other 
> than a box), please first make sure you understand well how those work and 
> how they should be created.
>
>  
>
> Having said that, one problem with your code is that you define the mesh 
> with normal pointing inwards. The order of the vertices in each triangle 
> follows the right-hand rule.
>
>  
>
> --Radu
>
>  
>
> *From:* 'Page' via ProjectChrono <[email protected]> 
> *Sent:* Wednesday, November 29, 2023 10:03 AM
> *To:* ProjectChrono <[email protected]>
> *Subject:* [chrono] The collision is strange after using AddTriangleMesh
>
>  
>
> Hi,all
>
> I write a simple demo, I built a ChBody, use AddTriangleMesh, add a cube 
> mesh, so that two cubes do collision, but the collision effect is obviously 
> wrong, I hope someone can help me, the following is the code and 
> demonstration video
>
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