snorpey

/*global define*/
/*
AMD module for loading files asynchronously. It also stores the contents of the files
in the browsers local storage for quicker access. I mostly use it for loading GLSL
shader files. Note: This has not been tested extensively, so use with caution.
MIT License
*/
define(
	function()
	{

snorpey

/*global define*/
define( 
	function ()
	{
		// serializeURL({foo:'bar',one:'two'})           => '?foo=bar&one=two'
		// serializeURL({foo:'bar',one:'two'}, 'prefix') => '?prefix[foo]=bar&prefix[one]=two'
		function serializeURL( obj, prefix )
		{
			var str = [ ];
			

snorpey

// based on http://stackoverflow.com/a/13008597
function getTransitionDuration ( element, with_delay )
{
	var prefixes = ' webkit moz ms o khtml'.split( ' ' );
	var result   = 0;
	var duration, delay, prefix;

	for ( var i = 0; i < prefixes.length; i++ )
	{
		prefix = prefixes[i] + '-';

snorpey

# this converts x3db files into vrml files
# a few notes:
# 1. run this in a unix-like shell (like the one that comes with git) on windows
# 2. aopt.exe comes is bundled with the instant reality player ( http://www.instantreality.org/downloads/ )
ls | grep ".x3db" | xargs -i /C/Program\ Files/Instant\ Reality/bin/aopt.exe -i {} -v "{}".wrl

snorpey

# this command uses the 3d mesh converter to convert wrl files to stl files.
# http://www.cs.princeton.edu/~min/meshconv/
ls | grep ".wrl" | xargs -i meshconv.exe {} -c stl

snorpey

/*global define*/
define(
	function()
	{
		function greyscaleImageData( image_data )
		{
			var data = image_data.data;
			var len  = image_data.data.length;
			var i    = 0;
			var brightness;

snorpey

/*global define*/
define(
	function()
	{
		function brightness( color )
		{
			// (R+R+B+G+G+G)/6
			return ( color[0] + color[0] + color[1] + color[2] + color[2] + color[2] ) / 6;
		}

snorpey

/*global define*/
define(
	function()
	{
		var result = { r: 0, g: 0, b: 0, a: 0 };
		var red_1, red_2, red_result;
		var green_1, green_2, green_result;
		var blue_1, blue_2, blue_result;
		var alpha_1, alpha_2, alpha_result;
		var type = 'array';

snorpey

/*global define*/
define(
	function()
	{
		var i;
		var len;
		var multiplicator = 20;
		var count;
		var rgba;

snorpey

/*global define*/
define(
  function()
	{
		var result;
		var delta_x;
		var delta_y;
		var step_x;
		var step_y;
		var sign_dx;