papertoy.dev

papertoy.dev

Build interactive prototypes in your browser,
with Javascript and Paper.js.

Start EditorDevelopment Notes
Mouse
gdc
GDC2025 - Race Emotions

This prototype was made during the production of Star Wars Outlaws when working on the emotion system for the spectators of a horse race.

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demos
Control Decorators Demo

Demonstrates the @control decorator system - control variables interactively without editing code!

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Gamepad
demos
Simple gamepad cursor

This demo shows how to make a cursor controllable by a gamepad. You can hover and click on a few buttons with it.

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demos
2D Vector Drawing

This demo shows more advanced drawing features, with a 2D island map-like view.

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ui
HUD Aiming crosshair

This demo recreates the Bow aiming crosshair from The Last of Us 2.

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ui
Timer

This demo shows how to display a hh:mm timer with a smooth feedback for the seconds.

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Mouse
ui
Click Events

This demo shows how to handle click events on the canvas.

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Gamepad
gameplay
Charms

Charms system inspired by Hollow Knight on which you can craft your own combos.

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author: jbsiraudindevelopment notes