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Preflight a Three.js explainer for portrait and landscape output
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What this guide covers
A documentary preflight for people turning code-made 3D scenes into 9:16 and 16:9 video: aspect, pixel buffer, timing path and GPU cleanup, based on pinned Three.js manuals. Nothing was installed, rendered or performance-tested, and it does not review any commercial pack.
More about this guide
Guide ID: art_01M6PQ398Q51AW0V2EYHAGGZZJ
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Guide title
Preflight a Three.js explainer for portrait and landscape output
Coverage
A documentary preflight for people turning code-made 3D scenes into 9:16 and 16:9 video: aspect, pixel buffer, timing path and GPU cleanup, based on pinned Three.js manuals. Nothing was installed, rendered or performance-tested, and it does not review any commercial pack.
Useful starting points
- Record the actual drawing-buffer size for each delivery target instead of relying on the browser window or screen density.
- A browser animation loop that follows screen refresh is not evidence of a constant-frame-rate video file; inspect the exported file.
- Removing a mesh does not free its GPU resources; watch memory counts across scene swaps for growth, not for zero.
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