p5.xr sketches:
in p5 web editor (working)
Raycast 1: https://editor.p5js.org/neill0/sketches/2w9z3w3Cc
Raycast 2 (scaling, rotation): https://editor.p5js.org/neill0/sketches/QKudv3U3F
Controller-tracking 1: https://editor.p5js.org/neill0/sketches/Wo_lWehlw