Eric Li tJener

tJener / gist:5272212

Created March 29, 2013 17:16

HTML5 graphics demos

	http://gradientstudios.github.com/canvas2d-lighting-demo/
	http://jsfiddle.net/tJener/G4R99/
	http://js1k.com/2013-spring/demo/1451
	http://codeflow.org/webgl/deferred-irradiance-volumes/www/
	http://www.ro.me/tech/hatching-glow-shader
	http://mrdoob.github.com/three.js/examples/webgl_kinect.html
	https://www.shadertoy.com/view/XslGRr
	https://www.shadertoy.com/view/Xdl3R4

tJener / gist:5160480

Last active December 14, 2015 22:39

Using escape key to trigger Pointer Lock.

tJener / loc

Last active December 14, 2015 10:39

A LOC tool for git repositories, grouped by language and author.

	#!/usr/bin/env perl

	use strict;
	use warnings;

	use constant LOC_FILES_CMD => q(
	xargs -n1 git blame --line-porcelain \|
	sed -n 's/^author //p' \|
	sort \| uniq -c \|
	awk -F' author ' '{for(i=1;i<=NF;++i)printf$i OFS;print""}' \|

tJener / split-yuv.sh

Created January 15, 2013 05:58

	#!/bin/sh

	# Convert an image to YUV color space, then separating out the
	# channels to visual the components of the YUV color space.

	# Accept STDIN, use YUV colorspace, separate channels.
	# 0. Black
	# 1. Y channel
	# 2. U channel negated
	# 3. U channel

tJener / gist:3758415

Created September 20, 2012 21:20

commonjs/amd boilerplate

	// shamlessly stolen from lodash

	/global define:false/

	;(function( window, undefined ) {
	var freeExports = false;
	if ( typeof exports === 'object' ) {
	freeExports = exports;
	if ( exports && typeof global === 'object' && global && global === global.global ) { window = global; }
	}

tJener / binary-serialize-double.js

Created July 26, 2012 18:08

Network serialization

	// Store number in Float64Array.
	var arr = new Float64Array([ 15.290663048624992 ]);

	// View the underlying ArrayBuffer as unsigned bytes.
	var bytes = new Uint8Array( arr.buffer );

	// Serialize to a string. Pay attention to endian in production code.
	var str = [].map.call( bytes, function( byte ) {
	return String.fromCharCode( byte );
	}).join('');