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Physics

Library

  • bullet Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc
  • newton-dynamics Newton Dynamics is an integrated solution for real time simulation of physics environments.
  • chrono C++ library for multi-physics simulation
  • simbody High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleto
  • JoltPhysics A multi core friendly rigid body physics and collision detection library suitable for games and VR applications.

Collision Detection

  • reactphysics3d Open source C++ physics engine library in 3D
  • fcl Flexible Collision Library
  • OPCODE Optimized Collision Detection
  • gjk.c Gilbert-Johnson-Keerthi (GJK) collision detection algorithm in 200 lines of clean plain C
  • dyn4j Java Collision Detection and Physics Engine
  • CircleCollision Implementing Different Methods of Circle to Circle Collision Detection using variety of new Technologies: Vulkan Graphics/Compute API, AVX2/AVX-512
  • UnityNativeCollision SAT Collision in C# for Unity3D Burst Compiler
  • parry 2D and 3D collision-detection library for Rust.rs
  • [cpa] (https://github.com/memononen/cpa) Distance, Time-of-Impact, and Closest-Point-of-Approach between Convex 2D Shapes

Fluid

  • Blender-FLIP-Fluids 👍 FLIP Fluids is a powerful liquid simulation plugin that gives you the ability to create high quality fluid effects all within Blender

  • zeno ZEn NOde system https://zenustech.com/

  • GridFluidSim3D A PIC/FLIP fluid simulation based on the methods found in Robert Bridson's "Fluid Simulation for Computer Graphics"

  • creamystrand A Multi-Scale Model for Coupling Strands with Shear-Dependent Liquid

  • GPUMPM GPU Optimization of Material Point Methods

  • pyasflip Python implementation of the ASFLIP advection method yunfei.work/asflip/

  • aphros Finite volume solver for incompressible multiphase flows with surface tension. Foaming flows in complex geometries.

  • fluid-engine-dev Fluid simulation engine for computer graphics applications https://fluidenginedevelopment.org/

  • fluviofx Fluid dynamics for Unity's VFX graph https://getfluv.io

  • PositionBasedDynamics physically-based simulation of rigid bodies, deformable solids and fluids.

  • PositionBasedFluids CUDA/C++ implementation of several papers in the spirit of developing a small demo similar to Nvidia's FleX framework

  • PBD-Fluid-in-Unity A PBD fluid in unity running on the GPU

  • SPlisHSPlasH physically-based simulation of fluids.

  • SPHFluid Interactive 3D Fluid Simulation based on SPH

  • pcisph Predictive-Corrective Smoothed Particle Hydrodynamics (SPH) implementation in 2D for CS4167 final project

  • pysph A framework for Smoothed Particle Hydrodynamics in Python

  • Unity-ECS-Job-System-SPH Implementation of the SPH Algorithm (fluid simulation) in Unity, comparing singlethread and ECS/Job System performances.

  • LiquidSimulator Cellular Automaton 2D Liquid Simulator for Unity

  • Bimocq Efficient and Conservative Fluids Using Bidirectional Mapping

  • Trinity Programmable 3D GPU (WebGL) fluid simulator

  • GPUSmoke

  • fluid_sim Flashy 2D fluid simulations experiments.

  • RealTimeFluids An open-source repository featuring real-time Eulerian fluid simulation and rendering

  • RealTimeFluidRendering Implementation of the i3D2018 paper "A Narrow-Range Filter for Screen-Space Fluid Rendering".

  • ParticleSolver CPU and GPU implementations of a particle-based physics simulation based on Macklin et. al's "Unified Particle Physics for Real-Time Application".

  • euler-fluid-cpp Euler fluid simulated with CPP and SFML

Cloth

Softbodie

  • Softbodies Softbodies, jiggly items and other slimy stuff in Unity

Verlet MassSpring

  • verlet-js A simple Verlet physics engine written in javascript
  • FastMassSpring Interactive cloth simulator using the method described in the SIGGRAPH paper "Fast Simulation of Mass-Spring Systems"

Vehicle

  • tork Arcade vehicle physics for Unity

Demo