袋鼠（Kangaroo）是一个实时物理引擎，用于交互式仿真的Grasshopper插件，做一些物理模拟等等

PhysX.GH is a rigid body simulation tool for Grasshopper, using open source real-time physics engine NVIDIA PhysX.

Fast GPU-based physics simulation in Grasshopper supports free particles, fluids, rigid bodies, soft bodies, cloth, inflatables and custom constraints