Three.js

Three.js is a 3D Javscript library

Coordinate system

Three.js uses the coordinate system shown in the following picture:

• x: red
• y: green (up)
• z: blue

See also https://tweedegolf.nl/blog/5/threejs-rotations

Robot Simulator

see https://discourse.threejs.org/t/robot-simulation-rotation-issues/9065

Links

• https://threejs.org/
• https://classroom.udacity.com/courses/cs291