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if (window.$) {
$.fn.int = function(){ return parseInt($(this).val(),10) }
$.fn.float = function(){ return parseFloat($(this).val()) }
$.fn.string = function(){ return trim($(this).val()) }
$.fn.enable = function() { return $(this).attr("disabled",null) }
$.fn.disable = function() { return $(this).attr("disabled","disabled") }
}
function trim(s){ return s.replace(/^\s+/,"").replace(/\s+$/,"") }
var E = Math.E
var PI = Math.PI
function clamp(n,a,b){ return n<a?a:n<b?n:b }
function lerp(n,a,b){ return (b-a)*n+a }
function mix(n,a,b){ return a*(1-n)+b*n }
function ceil(n){ return Math.ceil(n) }
function floor(n){ return Math.floor(n) }
function round(n){ return Math.round(n) }
function abs(n){ return Math.abs(n) }
function sign(n){ return Math.abs(n)/n }
function pow(n,b) { return Math.pow(n,b) }
function exp(n) { return Math.exp(n) }
function sqrt(n) { return Math.sqrt(n,b) }
function sin(n){ return Math.sin(n) }
function cos(n){ return Math.cos(n) }
function tan(n){ return Math.tan(n) }
function asin(n){ return Math.sin(n) }
function acos(n){ return Math.cos(n) }
function atan(n){ return Math.atan(n) }
function atan2(n){ return Math.atan2(n) }
function random(){ return Math.random() }
function rand(n){ return (Math.random()*n) }
function randint(n){ return rand(n)|0 }
function choice(a){ return a[randint(a.length)] }
function deg(n){ return n*180/PI }
function rad(n){ return n*PI/180 }
function step (n,a,b) {
return clamp((n - a) / (b - a), 0.0, 1.0);
}
// hermite curve apparently
function smoothstep(n,a,b){
var t = clamp((n - a) / (b - a), 0.0, 1.0);
return t * t * (3.0 - 2.0 * t)
}
function loadImage(imageURL, callback) {
var imageURL = proxify( imageURL );
window.gif = window.img = null
if (imageURL.substr(-3) === "gif") {
window.gif = GIF(imageURL);
// gif.on("error", tryToLoadNextImage);
// gif.on("rendered", trackLoadTime);
gif.on("rendered", callback);
return gif.render();
} else {
window.img = new Image();
// img.addEventListener("error", tryToLoadNextImage);
img.addEventListener("load", callback);
img.crossOrigin = "anonymous";
return img.src = imageURL;
}
}
function giveImage(t) {
if (window.gif) {
return gif.frames[gif.currentFrame(t)];
} else {
return img;
}
}
function proxify (url) {
if (url.indexOf("http") == 0)
return "/cgi-bin/proxy?" + url // .replace(/^https?:\/\//, "");
else
return url
}
function filesize(n) {
if (n < 1e3) return n + " bytes"
if (n < 1e6) return decimalString(n/1e3) + " kb"
if (n < 1e9) return decimalString(n/1e6) + " mb"
return "WAY TOO BIG DUDE"
}
function decimalString(n){
var m = Math.floor(n);
return m + "." + Math.round((n-m)*10)
}
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