One accumulated point on a drag trail: world-space position plus whatever
stylus state the originating PointerEvent carried.
The stylus fields are absent for mouse/touch on browsers that don't report
them, and for synthetic events. Consumers that want pressure-driven output
(e.g. Stroke.vertexWidths from a pencil stroke) read them off the samples
their insert dep receives — see apps/site/demos/VertexWidthsDemo.tsx.
One accumulated point on a drag trail: world-space position plus whatever stylus state the originating
PointerEventcarried.The stylus fields are absent for mouse/touch on browsers that don't report them, and for synthetic events. Consumers that want pressure-driven output (e.g.
Stroke.vertexWidthsfrom a pencil stroke) read them off the samples theirinsertdep receives — seeapps/site/demos/VertexWidthsDemo.tsx.