Internals

Mechanics, kept here so the pages above stay about the thing rather than its plumbing. Most of it is pure — drag maths, a door state machine, snapping, reach — which is deliberate: the parts most likely to be subtly wrong are the parts you can test without a browser.

Read these when changing behaviour. Skip them to use the format.

• Editor pointers
• The flat pointer
• The XR pointer
• Manipulator geometry
• Manipulator handles
• Selecting a piece
• The selection marker
• Beacons — a collision cube for anything abstract that has a position
• Schema-driven panels
• Writing a transform
• Placing a piece's body
• Mounting libraries
• World behaviour rules