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Development note

Billboard component authors a top-level `float blendFactor` value in USDA.

by elkraneo · 2026-02-19

Fixture diff evidence shows Billboard writes one scalar field (`blendFactor`) directly on the component prim.

Metadata

  • Component: billboard-component
  • Status: confirmed
  • Confidence: high
  • Evidence type: direct-diff
  • Scope: USDA authored
  • Author: elkraneo
  • Date: 2026-02-19
  • RCP version: 26.3
  • Xcode build: Xcode 26.3 (17C529)

Reproduction

  1. Open the ComponentFieldExploration fixture in Reality Composer Pro.
  2. Add or select a Billboard component.
  3. Save and diff USDA against baseline.
  4. Confirm component prim authors `float blendFactor` on `RealityKit.Billboard`.

Evidence

  • doc
    local-only evidence path (not publicly exposed)

    Canonical matrix section "RealityKit.Billboard"

  • fixture
    local-only evidence path (not publicly exposed)

    Fixture root referenced by matrix

Details

Directly observed in fixture diffs and documented as a field-level authored value.