Source VPhysics (IVP/Havok) reimplemented on Box3D. Modelled on VPhysics-Jolt (Volt).
For discussions, please join the Discord server here.
| Feature | VPhysics | Volt | Vox3D |
|---|---|---|---|
| Constraints (except pulleys) | ✔️ | ✔️ | ✔️ |
| Pulleys | ✔️ | ✔️ | ✔️ |
| Breakable constraints | ✔️ | ❌ | ✔️ |
| Motion controllers | ✔️ | ✔️ | ✔️ |
| Constraint motors | ✔️ | ✔️ | ✔️ |
| Ragdolls | ✔️ | ✔️ | ✔️ |
| Triggers | ✔️ | ✔️ | ✔️ |
| Object touch callbacks | ✔️ | ✔️ | ✔️ |
| Prop damage / breaking | ✔️ | ✔️ | ✔️ |
| Fluid events | ✔️ | ✔️ | ✔️ |
| Prop splashing effects | ✔️ | ✔️ | ✔️ |
| Wheeled vehicles | ✔️ | ✔️ | ✔️ |
| Raycast vehicles (airboat) | ✔️ | ❌ | ✔️ |
| Shadow controllers (NPCs, doors) | ✔️ | ✔️ | ✔️ |
| Save / restore | ✔️ | ✔️ | ✔️ |
| Portal support | ✔️ | ✔️ | ❌ |
| Per-object no-collide callbacks | ✔️ | ✔️ | ✔️ |
| Crash-resistant solver | ❌ | ✔️ | ✔️ |
| Thousands of objects without lag | ❌ | ✔️ | ✔️ |
| Multithreaded | ❌ | ✔️ | ✔️ |
| Player controller | ✔️ | ✔️ | ✔️ |
Build status per CMake preset. Future support for macOS is unknown.
| Preset | Builds | Tested |
|---|---|---|
gmod-x64 |
✔️ | ✔️ |
gmod-x86 |
✔️ | |
gmod-linux-x86 |
✔️ | |
gmod-linux-x64 |
✔️ | ✔️ |
gmod-linux-x86-dedicated |
✔️ | |
gmod-linux-x64-dedicated |
✔️ | |
sdk2013-mp |
✔️ | |
sdk2013-mp-linux |
✔️ | |
sdk2013-sp |
✔️ | |
sdk2013-sp-linux |
✔️ | |
asw |
✔️ |
To build, see: build.md
MIT, see LICENSE. Box3D and Source SDK code retain their respective licenses.