Light Sweep Pass
A traveling key light re-shades a slotted scene: a soft diagonal gradient band crosses the frame once while every per-element highlight and shadow shifts in lockstep (all driven by one —light-x property), then the light settles into a resting key. Quiet, expensive-feeling; the scene itself never moves. Callers fill the named scene slot; a token hero-and-cards default renders when it is left empty.
Paste it into your composition
Opencompositions/components/light-sweep-pass.html and copy what is inside into your own composition.A component has no size or duration of its own. It takes both from the composition
you paste it into.Variables
Every one of these has a default, so the piece works untouched. Set the ones you want to change on the element:Set them with
data-variable-values on the element that mounts it. These are the
defaults, so this behaves exactly like the preview above until you change one:motion-primitive overlay light sweep slots deterministic.