keywords: Graphics, Physics Based Animation

Comprehensive Physics

Documents & Blogs

Verlet Rope in Games

Physics-Based Animation Lecture (Recommended)

RE:2023 Real-Time Motion Capture Preview in RE ENGINE (Recommended)


Playing Pool with |ψi: from Bouncing Billiards to Quantum Search

A Hybrid Material Point Method for Frictional Contact with Diverse Materials

CSC417/CSC2549-Physics-based Animation Fall 2020

David I.W. Levin

David Levin

Direct Position-Based Solver for Stiff Rods (Recommended)

Code repository for our paper DiffCloth: Differentiable Cloth Simulation with Dry Frictional Contact

Machine Learning in Physical Animation

Try W&B to track machine learning experiments and visualize results
AI Learns To Compute Game Physics In Microseconds

Tools & Frameworks

NVIDIA PhysX SDK : the PhysX, Flow, and Blast SDKs used in NVIDIA Omniverse. (Recommended)

Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

Open source C++ physics engine library in 3D

A lightweight 3D physics engine written in JavaScript.

A multi core friendly rigid body physics and collision detection library suitable for games and VR applications.

Edyn is a real-time physics engine organized as an ECS.(Recommended)

A lightweight collection of routines for physics simulation.(Recommended)

A modular destruction SDK designed for performance and flexibility, replacing APEX destruction.(Recommended)

PositionBasedDynamics is a library for the physically-based simulation of rigid bodies, deformable solids and fluids. (Recommended)

PeriDyno is a CUDA-based, highly parallal physics engine targeted at providing real-time simulation of physical environments for intelligent agents.


CWaggle is an open-source robotics / physics simulator written with an ECS framework. It has been used for publications in robotics / reinforcement learning. (Recommended)

A research-oriented elastic body simulator

Rigid Body


Intersection-free Rigid Body Dynamics

Flow Physics

Tools & Frameworks - Flow

FLIP Fluids is a powerful liquid simulation plugin that gives you the ability to create high quality fluid effects all within Blender, the free and open source 3D creation suite.

MantaPatch: Data-driven Synthesis of Smoke Flows with Cnn-based Feature Descriptors, Mengyu Chu and Nils Thuerey

A quick implementation of MLFLIP

Real-time fluid simulation engine running on GPU with Vulkan

SPlisHSPlasH is an open-source library for the physically-based simulation of fluids.

VorteGrid: Interactive Fluid Simulation for Games and Movies. (Recommended)

The fastest and most memory efficient lattice Boltzmann CFD software, running on all GPUs via OpenCL.


A PIC/FLIP fluid simulation based on the methods found in Robert Bridson’s “Fluid Simulation for Computer Graphics”

Simple, single-file fluid solvers for learning purposes


Fast and Versatile Fluid-Solid Coupling for Turbulent Flow Simulation

GPU Optimization of Material Point Methods

Cloth Simulation


N-Cloth: Predicting 3D Cloth Deformation with Mesh-Based Networks (Recommended)

Subspace Neural Physics: Fast Data-Driven Interactive Simulation

Cloth and Skin Deformation with a Triangle Mesh Based Convolutional Neural Network

Learning-Based Animation of Clothing for Virtual Try-On

Physics-Inspired Upsampling for Cloth Simulation in Games


Deep Physics-aware Inference of Cloth Deformation for Monocular Human Performance Capture

DeePSD: Automatic Deep Skinning And Pose Space Deformation For 3D Garment Animation

Documents & Blogs

Simulate Tearable Cloth and Ragdolls With Simple Verlet Integration (Recommended)

Cloth Simulation with Finite Element Method


Basic cloth simulation using Verlet integration

A spring-model cloth physics simulator made using C/C++ and rendered in OpenGL

Interactive cloth simulator using the method described in the SIGGRAPH paper “Fast Simulation of Mass-Spring Systems” by Liu, T., Bargteil, A. W., Obrien, J. F., & Kavan, L.

A Multi-Scale Model for Simulating Liquid-Fabric Interactions

Source Codes for Codimensional Incremental Potential Contact (C-IPC)

A Processing/Java library for high performance GPU-Computing (GLSL). Fluid Simulation + SoftBody Dynamics + Optical Flow + Rendering + Image Processing + Particle Systems + Physics +…

It’s a GPU-based real time cloth simulator and interactive.

初识 Taichi:Python 高性能并行计算入门

Fragments Notes

How to keep physics works right at different frame rate? (Substepping)
velocityOld = velocityX;
velocityX += acceleration * delta;
posX += (velocityX + velocityOld) / 2 * delta;

How to implement accurate frame-rate-independent physics?

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