Plant growth — HandDrawnAI

Open index.html for the self-contained version.
To edit: open editable.html, change scene.js in a text editor, then reload. Keep the engine folder beside editable.html.
Press play. Sound is optional where a score exists; browser playback requires a click.
No model calls, account or API keys are needed. These are short scenes, not guaranteed seamless loops.

Export: the player can export PNG frames in a browser with directory access. Select an empty folder. Encode the exported sequence with ffmpeg, using its actual filename pattern and frame rate:
ffmpeg -framerate 24 -i %04d.png -c:v libx264 -pix_fmt yuv420p -movflags +faststart output.mp4
Check the frame names first. Existing preview MP4 is provided separately and does not reflect your edits.

License: see LICENSE.txt. Runtime and bird drawing: Alexey Fateev, https://github.com/alesha-pro/tools . Preserve the notices when redistributing code.
