Skip to content

Instantly share code, notes, and snippets.

View kig's full-sized avatar

Ilmari Heikkinen kig

323 followers · 3 following
View GitHub Profile
@kig
kig / program.ispc
Created March 28, 2020 14:34
#define SPIRV_INLINE inline
struct int3
{
int x;
int y;
int z;
};
struct float4
@kig
kig / mandel.comp.glsl
Last active March 9, 2020 02:47
#version 450
#extension GL_ARB_separate_shader_objects : enable
#define WORKER_SIZE 16
#define WORKGROUP_SIZE 4
layout (local_size_x = WORKGROUP_SIZE, local_size_y = WORKGROUP_SIZE, local_size_z = 1 ) in;
struct Pixel{
vec4 value;
@kig
kig / mic.js
Created October 6, 2018 07:25
Microphone input to MP3
// Uses getUserMedia to record audio from microphone, compresses it to mp3, and throws it away.
// You should change the last step to e.g. pushing the audio to a server over a WebSocket.
// This script uses lame.js for mp3 encoding
// https://github.com/zhuker/lamejs
var audioDataCallback = function(encodedData, originalData) {
console.log("Encoded " + encodedData.byteLength + " bytes. Original: " + originalData.byteLength);
};
@kig
kig / deltaPack.js
Last active January 29, 2016 05:42
var pngCompress = function(buffer) {
var canvas = document.createElement('canvas');
canvas.width = Math.min(Math.ceil((buffer.byteLength+6) / 3), 16384);
canvas.height = Math.ceil((buffer.byteLength+6) / (3*canvas.width));
var ctx = canvas.getContext('2d');
var id = ctx.getImageData(0, 0, canvas.width, canvas.height);
var u32 = new Uint32Array(1);
var u8 = new Uint8Array(u32.buffer);
u32[0] = buffer.byteLength;
var src = new Uint8Array(buffer);
@kig
kig / jsdecode.html
Created November 6, 2015 04:34
Buggy feature-free JavaScript QR decoder
<html>
<body>
<script>
var QRDecoder = function(imageData) {
this.imageData = imageData;
this.imageBits = new Int8Array(QRDecoder.MAX_SIZE * QRDecoder.MAX_SIZE);
this.decodedBits = new Uint8Array( (QRDecoder.MAX_SIZE * QRDecoder.MAX_SIZE) >> 3 );
this.size = -1;
this.ecc = -1;
@kig
kig / sky.frag
Created December 28, 2013 19:15
sky shader
vec3 lightPos_ = vec3(
-cos(iGlobalTime*0.1)*-8.5,
3.5+sin(iGlobalTime*0.05)*3.0,
-(sin(iGlobalTime*0.1)*4.0-5.4)
);
vec3 bgLight = normalize(lightPos_);
vec3 lightPos = bgLight * 9999.0;
vec3 sun = vec3(5.0, 3.5, 2.0)*4.0;
@kig
kig / scplayer.css
Last active January 1, 2016 11:49
Small SoundCloud player widget
#music {
opacity: 0;
transition: 1s;
position: absolute;
left: 10px;
bottom: 10px;
color: white;
height: 46px;
width: 300px;
}
@kig
kig / print.styl
Created October 1, 2013 15:41
Stylus print stylesheet for Message presos (https://message.fhtr.net)
/*
Released under the MIT License.
*/
@media print
@page
margin 0
padding 0
body
@kig
kig / index.html
Last active December 22, 2015 01:49
Super-powerful two-way DOM model binding.
<html>
<body>
<h1 contenteditable id="title"></h1>
<input id="edit">
<script src="model.js"></script>
<script>
var m = new Model();
m.sync('greeting', document.getElementById('edit'), 'value');
m.sync('greeting', document.getElementById('title'), 'innerText');
@kig
kig / some_kind_of_diff.js
Created August 26, 2013 17:34
A bad string difference algo.
var diff = function(beforeStr, afterStr) {
var i,j,prefixLen=0;
var before = beforeStr ? beforeStr.split(/ /) : [];
var after = afterStr ? afterStr.split(/ /) : [];
var arr = [];
for (i=0, j=0; i<before.length && j<after.length; i++, j++) {
if (before[i] === after[j]) {
prefixLen++;
} else {
if (prefixLen) {