Portal

Real 3D portals — recursive see-through rendering, momentum-preserving teleport, floor and ceiling portals, a companion cube, and a pressure-plate door.

Built for rung 27 of the 20 Games Challenge.

Controls: Click to capture · WASD move · Space jump · E grab/drop · LMB/RMB portals · R restart

Source: examples/portal

Exercises: camera-3d, collision-3d, input, kinematics-3d, math, render-scene3d, tick, transform-3d.