https://github.com/q-minh/position-based-dynamics

eXtended Position based dynamics implementation with soft body virtual cutting
https://github.com/q-minh/position-based-dynamics

cloth cutting-methods dynamics eigen fem libigl pbd position-based-dynamics simulation soft-bodies xpbd

Last synced: 5 months ago
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eXtended Position based dynamics implementation with soft body virtual cutting

• Host: GitHub
• URL: https://github.com/q-minh/position-based-dynamics
• Owner: Q-Minh
• License: bsl-1.0
• Created: 2021-02-14T18:08:24.000Z (almost 5 years ago)
• Default Branch: master
• Last Pushed: 2022-11-02T16:29:36.000Z (about 3 years ago)
• Last Synced: 2025-06-08T08:07:11.997Z (7 months ago)
• Topics: cloth, cutting-methods, dynamics, eigen, fem, libigl, pbd, position-based-dynamics, simulation, soft-bodies, xpbd
• Language: C++
• Homepage:
• Size: 72.1 MB
• Stars: 74
• Watchers: 2
• Forks: 12
• Open Issues: 2
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Soft Body Simulation using eXtended Position Based Dynamics

## Overview

Academic prototyping project for soft body simulation using XPBD.

Different constraint types will be implemented 

using [Eigen](https://eigen.tuxfamily.org/index.php?title=Main_Page) for matrix computations and [libigl](https://libigl.github.io/) for visualization and 

user interaction.

### Short term roadmap

#### Constraint types

- edge length

- tetrahedral volume

- fem based

![Bar simulation example](./doc/bar-fem-xpbd.gif)

![Cloth simulation example](./doc/pbd-simple-cloth-example.gif)

![Bunny geometric simulation example](./doc/bunny-pbd-edge-length.gif)

## Dependencies

- C++17 compiler

- [libigl](https://libigl.github.io/)

[libigl](https://libigl.github.io/) is included in the project using CMake's FetchContent and pulls in [Eigen](https://eigen.tuxfamily.org/index.php?title=Main_Page), [glfw](https://www.glfw.org/), [Dear ImGui](https://github.com/ocornut/imgui) and [TetGen](http://wias-berlin.de/software/index.jsp?id=TetGen&lang=1) with it.

## Building

```

# Download repository

$ git clone https://github.com/Q-Minh/position-based-dynamics

$ cd position-based-dynamics

# Configure and build project

$ cmake -S . -B build

$ cmake --build build --target pbd --config Release

# Run the program

$ ./build/Release/pbd.exe

```