Scene

<Scene> exposes a subset of the scene state. Particle appearance is not here — it belongs to <Grid>.

World transform

Prop	Type	Notes
translateX translateY translateZ	number	World offset
rotationX rotationY rotationZ	number	World rotation

Raymarch budget

Prop	Type	Notes
maxSteps	number	Iteration cap. Raise for non-metric modifiers.
sdfEpsilon	number	Surface-hit threshold. Smaller is finer and slower.
lodScaling	number	Scales step budget with distance
stepRelaxation	number	Step length vs overshoot risk
edgeSoftness	number	Silhouette softness
autoCull	boolean	Skip shapes that cannot contribute

Glass

Prop	Type	Default	Notes
enableReflection	boolean	false	Draws non-glass shapes into a pre-pass so glass can mirror them
enableRefraction	boolean	false	Composites that texture into the refracted background
prepassScale	number	1	Pre-pass resolution as a multiple of the canvas, clamped 0.25–4. Above 1, more detail through and in glass; the pre-pass draws scale² the pixels
bicubic	boolean	false	Reads the glass backdrop through a cubic filter: four texture reads per read, smoother magnification

The two flags share one pre-pass. None of the four does anything without a glass material. See Glass.

Diagnostics and frame

Prop	Type	Notes
stats	boolean	Mounts the overlay — lazily imported
debugMode	boolean	Heatmap visualisation
showAxes	boolean	Origin axes — lazily imported
fps	number	Frame-rate cap

A literal false on stats, showAxes or the glass flags removes the feature from the build entirely. Any other value keeps it.

stats reads GPU frame time through timestamp-query, which recent iOS Safari exposes — the overlay shows real numbers on iPhone. The feature detect adapter.features.has('timestamp-query') is authoritative: when it is false the GPU row shows n/a. Do not infer support from the browser or OS.