# On Twos

> A playful stop-motion planner for everyday movements. Describe one move - flopping onto the sofa, jumping at a sudden pop - pick a length and a frame rate, and see it broken down the way a stop-motion animator would: key poses, the classic animation principles that make it read, and every frame on an exposure sheet, played back by a little wire puppet.

URL: https://on-twos.skillsafe.ai/
API guide: https://on-twos.skillsafe.ai/api.html

## What it does

- Free, in the browser: the frame maths (seconds x 12 fps on twos, or 24 fps on ones), a quick word read (separate actions joined by words like "then", and whether a start and an end are stated), a wire puppet on a tabletop stage that plays the poses frame by frame with an optional ghost of the previous pose, an exposure sheet with one cell per frame (keys circled, breakdowns boxed, holds waved), SVG, PNG, Markdown, CSV (with a per-photo shooting cue) and JSON downloads, and, when only the length or frame rate changes after a breakdown, the same poses retimed to the new frame count without a new run.
- Metered, one task (`pose`): the move is rated one shot (one action, start and end stated), missing a key (the words leave out how it starts or ends) or split it (two or more separate actions); 3 to 8 numbered poses, each a key, breakdown or hold with one of sixteen puppet shapes and a frame count, together filling the chosen length exactly; 2 to 4 of the twelve classic principles tied to pose numbers; what is missing or how to split the move; and one tip for shooting it with a bendable figure on a table. The page re-checks every reply.
- Saved shots (opt-in) keep the move, the length, the frame rate and the latest plan in the signed-in person's account.

## Input

`task` ("pose"), `move`, `seconds`, `fps` ("12" or "24"), `target_frames` (seconds times fps), `page_actions` (the page's quick clause count). All strings.

## Source

Built on the SkillSafe skill @dylantarre/animator-traditional (https://skillsafe.ai/skill/@dylantarre/animator-traditional): frame-by-frame animation and the classic principles in their original artistic context. Runs on gpt-terra, metered per run.

A playful animation exercise - not coaching on how to move your body.