The CannonDebugger class I got here: https://github.com/pmndrs/cannon-es/issues/152#issuecomment-1202788163

• Sandbox: https://codesandbox.io/s/cannon-es-box-sphere-debugger-webgl-ts-9co3qr​ (toggle the preview to see the result: Ctrl+Shift+D)
• GitHub: https://github.com/8Observer8/cannon-es-box-sphere-debugger-webgl-ts

Instruction:

• Install globally: `npm i -g typescipt parcel browserify uglify-js http-server`
• Install locally: `npm i`
• Run parcel for debug mode: `npm run dev`
• Run http-server without caching: `http-server -c-1`
• Go to browser and type: `localhost:8080`
• Run this command to make the release bundle: `npm run release`