Shape Targeting with Projective Dynamics

Overview

This repo contains an implementatoin of Shape Targeting: A Versatile Active Elasticity Constitutive Model [ paper link] with Projective Dynamics Framework.

Main PD framework modified from Q-Minh's implementation with PD.

Shape Targeting demo

For comparison

• without target (i.e St matrix being identity). After turning off gravity, the bar bounces up due to elasticity.
• with target After turning off gravity, bar bends downward.

Other Constraint types

from original implementation

• positional
• edge length
• deformation gradient
• strain limiting

Dependencies

• C++17 compiler
• libigl

libigl is included in the project using CMake's FetchContent and pulls in Eigen, glfw, Dear ImGui and TetGen with it.

Building

# Download repository
$ cd projective-dynamics

# Configure and build project
$ cmake -S . -B build
$ cmake --build build --target pd --config Release

# Run the program
$ ./build/Release/pd.exe