Help guide

Canvas area lifecycle

Updated June 20, 2026

Canvas area lifecycle

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A Canvas area is a rendered surface with its own mount, dimensions, graph, assets, and lifecycle. Treat it as a component that must start, render, pause, and dispose cleanly.

Where this fits

Mounting and sizing

  • Every Canvas area should have a stable mount selector and known sizing behavior. The mount owns where the rendered scene appears in the page.
  • Use authored width, height, and aspect ratio intentionally. If the page resizes the mount, verify how the scene adapts.
  • A Canvas visual should not rely on invisible or zero-size mounts; validation and browser inspection should catch that before publish.

Runtime lifecycle

  • Load the file, attach the Canvas area, start the graph, and dispose when the page section or route is no longer active.
  • Pause or reduce work when the visual is offscreen if the scene is expensive or not meaningful while hidden.
  • Keep user input, scroll inputs, and scene updates connected to the area lifecycle so old listeners do not remain active after disposal.

Public verification

  • Check that the Canvas is not blank at first paint, after resize, after route changes, and after tab visibility changes.
  • Inspect frame rate and CPU/GPU cost on realistic devices before increasing particle count, mesh density, or physics complexity.
  • Verify fallback behavior when assets fail or when the user prefers reduced motion.

Working sample slot

Canvas area lifecycle: This page reserves a sample location for a later verified example. Add the sample only after the source file, public page, validation output, and visual check all pass.

Faster Motion docs

Use these links to move between the guide set, the deeper reference pages, and the recipe planning pages. Verified working samples will be inserted after this documentation structure is reviewed.

Start

Surfaces

Reference

Start

DOM animation

Reference

Canvas animation

3D and procedural

Operations

Recipes

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Sunny Arora

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Sunny Arora

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