[
  {
    "id": "codrops-84a920dd7725-article-0",
    "source": "motion/rendering-and-performance.md",
    "anchor": "a-diagnostic-sequence",
    "sourceSha256": "1523fdeaa290fa064c4db17d36040de3f35ad39bb18a37517ceb5995f97d1dfd",
    "title": "21 / Instancing & measured rendering work · renderOrchard",
    "principle": "Change only submission method while keeping camera, matrices, count and material identical; read completed render counters rather than predicted values.",
    "application": "A deterministic array of original column transforms feeds either separate Three.js Mesh objects or one InstancedMesh. A single render reports renderer.info draw calls and triangles, while the drawing buffer reports actual pixel dimensions. Object count, DPR and scheduling are separate controls; no frame-rate or universal speedup claim is made. This binding describes the authored study and does not verify the original project.",
    "code": [
      {
        "file": "vendor/codrops-article-studies/records/codrops-84a920dd7725/script.js",
        "symbol": "renderOrchard",
        "explanation": "The named local function implements this mechanism in the downloadable standalone page; its source hash is listed in codeFiles."
      }
    ],
    "checks": [
      {
        "id": "codrops-84a920dd7725-renderOrchard",
        "action": "Pause and switch Separate Mesh objects to One InstancedMesh with count 81, then change only DPR.",
        "expected": "Observed draw calls change across modes while submitted triangle count and arrangement agree; DPR changes actual buffer pixels while geometry and draw counts stay stable."
      }
    ],
    "runtime_verified": false
  },
  {
    "id": "codrops-84a920dd7725-article-1",
    "source": "design-engineering/component-contract.md",
    "anchor": "contract-template",
    "sourceSha256": "79e496160e28ab26397d2c5b68075fd14c732d13002ff6c6e41c031d86cac039",
    "title": "21 / Instancing & measured rendering work · scheduleOrchard",
    "principle": "User pause and page visibility are separate scheduling inputs; resuming visibility must not clear a requested pause.",
    "application": "A deterministic array of original column transforms feeds either separate Three.js Mesh objects or one InstancedMesh. A single render reports renderer.info draw calls and triangles, while the drawing buffer reports actual pixel dimensions. Object count, DPR and scheduling are separate controls; no frame-rate or universal speedup claim is made. This binding describes the authored study and does not verify the original project.",
    "code": [
      {
        "file": "vendor/codrops-article-studies/records/codrops-84a920dd7725/script.js",
        "symbol": "scheduleOrchard",
        "explanation": "The named local function implements this mechanism in the downloadable standalone page; its source hash is listed in codeFiles."
      }
    ],
    "checks": [
      {
        "id": "codrops-84a920dd7725-scheduleOrchard",
        "action": "Pause animation, hide and return to the page, then run it explicitly. Enable Static view during playback.",
        "expected": "A paused scene stays paused on return; explicit playback resumes the frame counter; Static view suspends ongoing motion while visible controls still redraw the current scene."
      }
    ],
    "runtime_verified": false
  },
  {
    "id": "codrops-84a920dd7725-article-2",
    "source": "motion/accessible-motion.md",
    "anchor": "preference-changes-during-work",
    "sourceSha256": "db0ad692d5bb3103a3cbe13ec08dbe5cf12552aed7ecf2c93b1d7cc0b8a34b8b",
    "title": "21 / Instancing & measured rendering work · applyMotionPreference",
    "principle": "One effective preference owns CSS and script playback. The initial view is stationary, and manual controls retain the study values.",
    "application": "A deterministic array of original column transforms feeds either separate Three.js Mesh objects or one InstancedMesh. A single render reports renderer.info draw calls and triangles, while the drawing buffer reports actual pixel dimensions. Object count, DPR and scheduling are separate controls; no frame-rate or universal speedup claim is made. This binding describes the authored study and does not verify the original project.",
    "code": [
      {
        "file": "vendor/codrops-article-studies/records/codrops-84a920dd7725/script.js",
        "symbol": "applyMotionPreference",
        "explanation": "The named local function implements this mechanism in the downloadable standalone page; its source hash is listed in codeFiles."
      }
    ],
    "checks": [
      {
        "id": "codrops-84a920dd7725-applyMotionPreference",
        "action": "Enable Static view during playback, then adjust the visible native controls.",
        "expected": "Playback stops, its button is disabled while the preference applies, and the current values remain inspectable without continuous motion."
      }
    ],
    "runtime_verified": false
  }
]