Type Alias: Stage

Stage = Pick<BuildStage<Scene>, keyof BuildStage<Scene>> & Pick<Scene, keyof Scene>

Defined in: nodes/scene/scene-node.ts:46

The object a scene generator is handed. It merges the build-time determinism surface (BuildStage: viewport, fps, and random(seed) → a seeded Random source) with the Scene's own authoring surface (add, set, sounds, and the root commands to/fillTo/zoomTo/… plus root):

export default createScene(function* (stage) { stage.set({ fill: 'bg' }); stage.add(<Rect … />); yield* stage.zoomTo(2, 1); });

No re-declaration: the authoring methods are the real Scene members and the determinism methods are the real BuildStage members. At runtime the generator is given one object that is both (see Scene.build).

Pick<T, keyof T> strips each class down to its public surface — keyof omits private/protected members, which TS treats nominally and which would otherwise make Stage satisfiable only by a real subclass instance rather than the merged view the generator actually receives.