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Motion vocabulary · Text input typing

AI prompt box

A prompt is typed with a human rhythm, the send button lights up and is pressed, the answer cards flip in.

Live loop · 8 s · 1920×1080 at 24 fps

Parameters

ParameterTypeWhat it does
text (required)stringwhat is typed (or pasted)
placeholderstringgrey text in the empty field
resultstring | string[]what flips in after the submit: a title line, then up to 3 lines
resultSrc"/assets/<screen>.jpg"a real screen as the result card instead of lines
cpsnumber
Default: 15		characters per second (a person types 8-20)
mistype{at, wrong} | falsea typo and its fix at char index `at`
x / y / widthpxfield centre x, top y, width
ease{"<move>": ease}retune any named move (see the entry's moves): a preset name ("out-expo"), a cubic-bezier [x1, y1, x2, y2], {spring: [hz, damping]} or {trapezoid: [accel, decel]}. A wrong move name or curve throws, it never falls back. A move measured from a reference clip (the replica workbench's measure/*.json, frame-keyed) becomes a curve without conversion: MV.fitEase(doc, "x", {from: 133, to: 142}) or `motion-fit <file> --measure x --from 133 --to 142 --ease`
brandhex
Default: #6B5BFF		the site's brand colour; the component derives its accent (>= 3:1 on the stage), surfaces and ink from it
stage"dark" | "light"
Default: "dark"		the stage the component sits on
displayfont stem
Default: "Inter-Bold"		headline stem; name it in the call so the runtime loads it
bodyfont stem
Default: "Inter-Regular"		UI / body stem; name it in the call so the runtime loads it
start_msms
Default: 300		when the component starts, ms into the shot
backgroundboolean
Default: false		draw the stage background (off: transparent over the shot's own stage)
place{x, y, w, h, z?}the component's place in the shot's layout: it fits its 1920x1080 composition into this stage rect (centred, aspect kept); z orders components front to back. Default: the whole stage

Moves and their curves

Every move is eased on its own. Retune one with ease: { "<move>": <curve> }, a curve name or cubic-bezier handles.

MoveCurveWhat it does
send.onlinearthe send button turning to the brand colour at the first key
send.downout-quadthe send button pressing down to 0.84x
send.release{"spring":[2.38,0.82]}the send button springing back after the press
rippleout-cubicthe ring spreading from the send button
submit.riseout-quintafter the submit, the field rising out of the way
card.flip{"spring":[1.33,0.88]}each result card flipping down into place (110 ms apart)

This demo

variant"prompt"
text"Make a launch film for my product page"
chips["16:9","English"]
result["Your film plan is ready","Six shots. One idea per shot.","Real screens from your site."]
brand#6B5BFF
stagelight
<script src="/vendor/motion-vocab.js"></script>
MV.bind("s3", MV.typeInput(el, {"variant":"prompt","text":"Make a launch film for my product page","chips":["16:9","English"],"result":["Your film plan is ready","Six shots. One idea per shot.","Real screens from your site."],"brand":"#6B5BFF","stage":"light","display":"Inter-Bold","body":"Inter-Regular"}));

When to use it in a launch film

An AI product's core moment: the ask and the first answer, in one continuous shot.

Why it works

The send press and the flip are the cause and the effect in under a second, so the result reads as earned.

Do not combine with

  • another typing component on screen at the same time (one caret per frame)
  • a line longer than about 60 characters (it reads as a wall of text at 720p)

Job in the film

  • Hook
  • Feature

Natural length

4.5–8.0 s

Make a film with these moves in LaunchReel

More text input typing

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