Jonas Wagner

Content aware image cropping

smartcrop.js automatically picks the most visually interesting crop region of an image by analyzing edges, skin tones, and color saturation, returns coordinates you apply with your own image code.

Command line interface for the smartcrop library to provide content aware image cropping.

A fast simplex noise implementation in Javascript / Typescript.

normalmap.js is a library for creating simple interactive lighting effects using normal maps.

WebGL Fluid Simulation

A small, dependency free javascript library to fit a gradient to an image or extract it's primary colors.

A web based analog film emulator/photo editor.

Neon flames is a crazy online HTML5 drawing tool.

Node module for using smartcrop via sharp/libvips

Play it slowly is a software to play back audio files at a different speed or pitch.

Automatic port of box2dAS 2.0 to javascript

WebGL Terrain, ocean, fog

WebGL Voxel World Generation Demo

Just a little demo for simplex-noise.js 4.0

A webgl demo, showing of an iceberg featuring hdr rendering water reflections etc.

HTTP Ripper is a tool to rip content out of the web.

Node module for using smartcrop via image magick

Space Break is a html5 acrade 'ball and paddle' game implemented in coffee script

kinect usb rocket launcher controll

Fluid simulation experiment using HTML5 Canvas

Source code from a live coding talk on canvas particle systems I gave at frontendconf

jQuery plugin to create text clouds

P2P Filesharing Tool

Visualization of 3.7 million swiss addresses using WebGL

A web based guitar practice tool

A javascript library to extract EXIF metadata from JPEG images, in node and in the browser.

Coded during my talk @takeoffconf

A simple WebRTC multiplayer game example

Raymarching distance fields with wild results

a little metronome written using python, gtk and gstreamer

An extension for deck.js to display a "laser" pointer (just a small trail of red dots which follows the mouse)

A simplistic library for implementing kalman filters using javascript/typescript.

rails.vim: Ruby on Rails power tools

Javascript Matrix and Vector library for High Performance WebGL apps

Grab the color palette from an image using just Javascript. Works in the browser and in Node.

A 3D printable lens hood that creates swirly bokeh.

A Javascript .MOD and .XM music player

Cartoon style SVG drawing for Raphael.js & D3.js & SVG.js

CLI and NPM package for JSHint

Box2Dlite changed to run on linux

A rust drawing library for high quality data plotting for both WASM and native, statically and realtimely 🦀 📈🚀

Reads telemetry from the GPMF track in GoPro cameras (Hero5 and later) and converts it to multiple formats

A bit of fun generating blue noise using void and cluster

darktable main repository

3D Printed Guitar Pedal Enclosure

Extracts binary GoPro Metadata Format data from video files

Pipes a wav file through jack into another wav file.

An easy-to-use JavaScript Unit Testing framework.

Cross-platform audio I/O library in pure Rust

The easy way to make a Rust app with a GUI

probably not of interest to anyone

Principal component analysis

No description.

An easy-to-use VST3/AUv2 wrapper for your Rust CLAP plugins

Wrappers for using CLAP in other plugin environments

Rust crate to set snd_lib_error_set_handler to the log crate

egui: an easy-to-use immediate mode GUI in Rust that runs on both web and native

Box2D is a 2D physics engine for games

A fast BVH using SAH in rust

A refreshingly simple data-driven game engine built in Rust

MaxMind GeoLite2 (CSV) to Legacy format converter

📦 Workbox: JavaScript libraries for Progressive Web Apps

A documentation theme ported from Sphinx to Hugo

OpenCV Bindings for node.js

Prometheus client for node.js

The Reactive Extensions for JavaScript

High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP and TIFF images. Uses the libvips library.

A node module to generate service worker code that will precache specific resources.