Comments (3)
I think TetWild and fTetWild have some parameters to control the precision of the results, such as control_energy
and the coarsen
option.
And in my understanding, tetrahedral meshes are typically used in soft body simulations, while ACD is usually for rigid body simulations. I am curious about which scenarios would require users to generate a group of tetrahedral parts for an object.
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It is true that (general) convex meshes are good for rigid body simulation, but that's on CPU, where branchy-loopy algorithms are welcome. However, on accelerator architectures like GPUs, the tradeoffs are very different. A relatively large number of parallel, fixed-cost tet-tet collisions can be significantly faster, as this is exactly what those architectures are designed for.
Last we checked (f)tetWild was not good at low-resolution remeshing. We'll check again and report back, maybe something has changed.
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Update: We checked. There is no way to convince (f)TetWild to generate coarse tetrahedral meshes. The only viable route is to decimate the surface mesh first, but of course in this case the remeshing algorithm doesn't really have all the information required to create the best possible coarse decomposition.
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Related Issues (20)
- The number of faces is 4x larger compared to vhacd in a test model HOT 2
- AllocatorFooChar missing error when building from source HOT 1
- How to compiling for windows HOT 6
- relationship between concavity threshold and actual distance HOT 2
- Strange decomposition on simple case. HOT 15
- CPP Error after processing several examples HOT 5
- Usage on Apple Silicon HOT 1
- Is possible to see only the preprocessed mesh? HOT 5
- When building CoAcd can't link to the standard math library on Macos HOT 5
- Crash when decomposing HOT 6
- Problem encounted in generating collision shape HOT 2
- Another crash during decomposing in debug mode HOT 1
- Reduce number of vertices in each convex hull HOT 5
- Splitting into multiple files for Mujoco HOT 1
- Remove syntax in the output file HOT 2
- For certain parameters of example objs, there may be assert failed in the C++ Windows compiled version. HOT 2
- Slimmer C++ dependencies? HOT 8
- How to enable determinism? HOT 1
- Feature request: internal overlap
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