scene: ridge and terrain scenes follow the sky state #47
2026-11-09
scene: catch a state change during the first build; skyBackdrop is the union of what the scenes draw
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index.ts compares the current state with the built one after subscribing and rebuilds if they differ. skyBackdrop unions the ridge sky and the terrain sky (skyColour sampled over the sphere, from chooseSky(terrainSkyFor(state))), so terrain dusk's sun glow and terrain day's darker zenith are inside the range. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
scene: a failed sky-state rebuild restores the ground; an explicit sky beats the URL
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The door tells the host (onInactive/onActive) when a rebuild makes no scene or makes one again. chooseSky takes an explicit sun or sky option before ?sun=, ?az= and ?sky=; only auto, which passes none, is steered by the URL. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
scene: the ridge and terrain scenes follow the sky state
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The door (index.ts) reads getSkyState, subscribes on start and rebuilds the scene on the same canvas when it changes; the returned scene's dispose unsubscribes. skyForState.ts maps a state to the scene's sky option: auto leaves it unset (today's behaviour), dusk is the ridge dusk, day and night are the baked gradients skyBackdrop bounds. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>