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Skillstier-list

tier-list

Design & creation

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Updated 10-21 06:41

About this skill

Tier list

Use it for: rankings, best to worst, tool or tactic comparisons, hot takes.

A ranking you can see fill up as you talk. Every item lands in its row on the word, so the viewer waits for the next one.

Before you start: run video-intake and opening-hook. This adds one beat type to the starter's video.js. It is built for 9:16. For the 4:5, 1:1 and 16:9 cuts from every-format, put the board in a full beat and drop the break-out.

What you need

  1. The cut take, face/ frames and words.js from video-intake.
  2. The list. Each item as it should read on its chip (2 words is best, 3 at most), its tier, and the word you say it on.
  3. A title for the board, optional, under 30 characters.
  4. A cut-out of you for this beat. scripts/matte.py in this skill makes it with RobustVideoMatting, free and local. Use it for this beat. (video-effects has its own matting step for the 20 effects.)
python3 -m pip install torch torchvision pillow numpy scipy     # once. scipy is optional, it fills small holes
python3 <this skill>/scripts/matte.py my-video --from 3.1 --to 12.8

It reads my-video/face/, writes my-video/cut/000094.webp and on, with the same frame numbers, and prints headTop, the top of your head in frame pixels. The model downloads once from GitHub. It runs on Apple Silicon, an NVIDIA card or the CPU. Matte only the beat. Cut-outs of a whole video fill a disk.

Step 1: Ask for the inputs above, then wait

The ranking is yours. Never move an item to another tier for a better look.

Step 2: Beat sheet, then wait

One line per item: chip text, tier, the word and its time from words.js. Items must land at least 0.5s apart. Show it and get a yes.

Step 3: Build brief (paste into Claude Code)

Copy <this skill>/templates/tier-list.js to the very top of my-video/video.js, above window.VIDEO. Do not edit index.html.
Add one beat to VIDEO.beats:
  tierList({ start: [S], end: [E], title: '[TITLE]', headTop: [headTop from matte.py],
             items: [ { text: '[CHIP]', tier: 'S', word: '[WORD]' }, ... ] })
Keep the items in the order I say them. Use tiers: ['S','A','B','C','D','F'] unless I give others.
Every value comes from time alone inside draw(), so seek(t) gives the same frame every time.
Add one face beat after the last new beat (the starter shows the last beat in any gap until the next one starts).
Render with `node render.mjs` from my-video. If it cannot find Puppeteer, run `npm i puppeteer` there once.
Then render stills 0.2s before the first item's word, on it, on the word of the middle item, and on the last item's word. Show them to me.

The template draws a white board with one row per tier (S in the accent, stepping down to grey for F), a face card in the same place as the starter's split card, and your cut-out over the card with the same crop, open at the top. Your head is the only part that rises above the card.

The timing rule

Every chip lands on its word from words.js.

  • Each chip leaves your head 0.45s before its word, arcs up and lands in its row on the word.
  • The tier label pulses for 0.35s from the word.
  • The word lookup starts after the item before, so a word you say twice lands the right chip.
  • The board fades in over the first 0.3s of the beat, the title rises in over 0.45s.

Step 4: Render

cd my-video
node render.mjs --stills 4.0,6.5,9.0      # check first
node render.mjs                            # then the full video

Then run video-check.

Check before you show

  • The break-out. About 130px of your head rises above the card on every still. If nothing breaks out, your headTop is wrong. Run matte.py again and use the number it prints, or set cropY.
  • Edges. Crop the hair at full size. No room halo above the card, no hard line across the top of the head.
  • The caption pill sits over the seam, as on every split beat. It must cover hair, never your eyes. If it does, lower headTop by 30 and check again.
  • Landing. On the still at each word, that chip is in its row. 0.2s before, it is still in the air.
  • Rows. No chip spills off its row. A full row shrinks its chips to fit. If text gets small, shorten the chips.
  • Spacing. No two chips land within 0.5s of each other.
  • Safe zone. No text in the top 220px. The title sits at y 230 and the board ends at y 850.
  • Truth. The ranking is the one you gave. No item you did not say.
  • No logos on the chips. Words only.

What I learned the hard way

  • A centred crop puts the top of your head right at the card edge, so nothing breaks out. Crop from your measured head top instead.
  • Draw the cut-out with the exact same crop as the card. Scale it differently and you get two of you at the card edge.
  • Six rows of chips at 25px read as small. Chip text is about 32px at six rows. Fewer rows get bigger.