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Install

Terminal
That writes one file: compositions/vfx-portal.html.
Live preview needs the chrome://flags/#canvas-draw-element flag switched on. Rendering from the CLI switches it on for you. How it works

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Add it to your video

It runs for 10 seconds at 1920×1080. Paste this into your composition:
index.html
Move it in time with data-start. Put it on a different timeline row with data-track-index. See data attributes for the rest.

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Change the colors

Set these CSS variables on the block:
  • --bg-color — Background. Defaults to #000000.
  • --portal-color — Portal color. Defaults to #fafafa.
Tagged html-in-canvas webgl.