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-rw-r--r--assets/javascripts/vendor/util.js256
1 files changed, 256 insertions, 0 deletions
diff --git a/assets/javascripts/vendor/util.js b/assets/javascripts/vendor/util.js
new file mode 100644
index 0000000..0f5c6ed
--- /dev/null
+++ b/assets/javascripts/vendor/util.js
@@ -0,0 +1,256 @@
+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") }
+ $.fn.sanitize = function(s) { return trim(sanitize($(this).val())) }
+ $.fn.htmlSafe = function(s) { return $(this).html(sanitize(s)) }
+ $.fn.toDollars = function(i) { return $(this).html((i/100).toFixed(2)) }
+}
+
+function trim (s){ return s.replace(/^\s+/,"").replace(/\s+$/,"") }
+function sanitize (s){ return (s || "").replace(new RegExp("[<>&]", 'g'), "") }
+function stripHTML (s){ return (s || "").replace(/<[^>]+>/g, "") }
+function capitalize (s){ return s.split(" ").map(capitalizeWord).join(" ") }
+function capitalizeWord (s){ return s.charAt(0).toUpperCase() + s.slice(1) }
+function slugify (s){ return (s || "").toLowerCase().replace(/\s/g,"-").replace(/[^-_a-zA-Z0-9]/g, '-').replace(/-+/g,"-") }
+function rgb_string (rgb) { return "rgb(" + rgb.map(Math.round).join(",") + ")" }
+function rgba_string (rgb,a) { return "rgba(" + rgb.map(Math.round).join(",") + "," + a + ")" }
+function hex_string (rgb) { return "#" + rgb.map(Math.round).map(function(n){ var s = n.toString(16); return s.length == 1 ? "0"+s : s }).join("") }
+function parse_rgba_string (s) { return s.match(/(\d+)/g).slice(0,3) }
+
+var E = Math.E
+var PI = Math.PI
+var PHI = (1+Math.sqrt(5))/2
+var TWO_PI = PI*2
+var HALF_PI = PI/2
+var LN10 = Math.LN10
+function clamp(n,a,b){ return n<a?a:n<b?n:b }
+function norm(n,a,b){ return (n-a) / (b-a) }
+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 quantize(n,a){ return round(n / a) * a }
+function max(a,b){ return Math.max(a,b) }
+function min(a,b){ return Math.min(a,b) }
+function abs(n){ return Math.abs(n) }
+function sign(n){ return n ? Math.abs(n)/n : 0 }
+function pow(n,b) { return Math.pow(n,b) }
+function exp(n) { return Math.exp(n) }
+function log(n){ return Math.log(n) }
+function ln(n){ return Math.log(n)/LN10 }
+function sqrt(n) { return Math.sqrt(n) }
+function cos(n){ return Math.cos(n) }
+function sin(n){ return Math.sin(n) }
+function tan(n){ return Math.tan(n) }
+function acos(n){ return Math.cos(n) }
+function asin(n){ return Math.sin(n) }
+function atan(n){ return Math.atan(n) }
+function atan2(a,b){ return Math.atan2(a,b) }
+function sec(n){ return 1/cos(n) }
+function csc(n){ return 1/sin(n) }
+function cot(n){ return 1/tan(n) }
+function cosp(n){ return (1+Math.cos(n))/2 } // cos^2
+function sinp(n){ return (1+Math.sin(n))/2 }
+function random(){ return Math.random() }
+function rand(n){ return (Math.random()*n) }
+function randint(n){ return rand(n)|0 }
+function randrange(a,b){ return a + rand(b-a) }
+function choice(a){ return a[randint(a.length)] }
+function deg(n){ return n*180/PI }
+function rad(n){ return n*PI/180 }
+function xor(a,b){ a=!!a; b=!!b; return (a||b) && !(a&&b) }
+function mod(n,m){ return n-(m * floor(n/m)) }
+function dist(x0,y0,x1,y1){ return sqrt(pow(x1-x0,2)+pow(y1-y0,2)) }
+function angle(x0,y0,x1,y1){ return atan2(y1-y0,x1-x0) }
+function avg(m,n,a){ return (m*(a-1)+n)/a }
+function noop(){}
+
+function pixel(x,y){ return 4*(mod(y,actual_h)*actual_w+mod(x,actual_w)) }
+function rgbpixel(d,x,y){
+ var p = pixel(~~x,~~y)
+ r = d[p]
+ g = d[p+1]
+ b = d[p+2]
+ a = d[p+3]
+}
+function fit(d,x,y){ rgbpixel(d,x*actual_w/w,y*actual_h/h) }
+
+function step(a, b){
+ return (b >= a) + 0
+ // ^^ bool -> int
+}
+
+function julestep (a,b,n) {
+ return clamp(norm(n,a,b), 0.0, 1.0);
+}
+
+// hermite curve apparently
+function smoothstep(min,max,n){
+ var t = clamp((n - min) / (max - min), 0.0, 1.0);
+ return t * t * (3.0 - 2.0 * t)
+}
+
+function shuffle(a){
+ var r, swap
+ for (var i = a.length; i > 0; i--){
+ r = randint(i)
+ swap = a[i-1]
+ a[i-1] = a[r]
+ a[r] = swap
+ }
+ return a
+}
+function reverse(a){
+ var reversed = []
+ for (var i = 0, _len = a.length-1; i <= _len; i++){
+ reversed[i] = a[_len-i]
+ }
+ return reversed
+}
+function deinterlace(a){
+ var odd = [], even = []
+ for (var i = 0, _len = a.length; i < _len; i++) {
+ if (i % 2) even.push(a[i])
+ else odd.push(a[i])
+ }
+ return [even, odd]
+}
+function weave(a){
+ var aa = deinterlace(a)
+ var b = []
+ aa[0].forEach(function(el){ b.push(el) })
+ reverse(aa[1]).forEach(function(el){ b.push(el) })
+ return b
+}
+function range(m,n,s){
+ var a = []
+ s = s || 1
+ for (var i = m; i <= n; i += s) {
+ a.push(i)
+ }
+ return a
+}
+
+var guid_syllables = "iz az ez or iv ex baz el lo lum ot un no".split(" ")
+var guid_n = 0
+function guid(n){
+ var len = guid_syllables.length
+ return ((++guid_n*(len-1)*(~~log(guid_n))).toString(len)).split("").map(function(s){
+ return guid_syllables[parseInt(s, len) % len--]
+ }).join("")
+}
+
+function defaults (dest, src) {
+ dest = dest || {}
+ for (var i in src) {
+ dest[i] = typeof dest[i] == 'undefined' ? src[i] : dest[i]
+ }
+ return dest
+}
+
+// Change straight quotes to curly and double hyphens to em-dashes.
+function smarten(a) {
+ a = a.replace(/(^|[-\u2014\s(\["])'/g, "$1\u2018"); // opening singles
+ a = a.replace(/'/g, "\u2019"); // closing singles & apostrophes
+ a = a.replace(/(^|[-\u2014/\[(\u2018\s])"/g, "$1\u201c"); // opening doubles
+ a = a.replace(/"/g, "\u201d"); // closing doubles
+ a = a.replace(/--/g, "\u2014"); // em-dashes
+ return a
+};
+
+
+function pairs(h){
+ var a = []
+ for (var i in h) {
+ if(h.hasOwnProperty(i)) {
+ a.push([i, h[i]])
+ }
+ }
+ return a
+}
+function invert_hash (h) {
+ var k = {}
+ for (var i in h) { if (h.hasOwnProperty(i)) k[h[i]] = i }
+ return k
+}
+function filenameFromUrl (url) {
+ var partz = url.split( "/" )
+ return partz[partz.length-1].split(".")[0]
+}
+
+function bitcount(v) {
+ v = v - ((v >>> 1) & 0x55555555);
+ v = (v & 0x33333333) + ((v >>> 2) & 0x33333333);
+ return ((v + (v >>> 4) & 0xF0F0F0F) * 0x1010101) >>> 24;
+}
+
+// Function.bind polyfill
+if (!Function.prototype.bind) {
+ Function.prototype.bind = function(oThis) {
+ if (typeof this !== 'function') {
+ // closest thing possible to the ECMAScript 5
+ // internal IsCallable function
+ throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
+ }
+
+ var aArgs = Array.prototype.slice.call(arguments, 1),
+ fToBind = this,
+ fNOP = function() {},
+ fBound = function() {
+ return fToBind.apply(this instanceof fNOP && oThis
+ ? this
+ : oThis,
+ aArgs.concat(Array.prototype.slice.call(arguments)));
+ };
+
+ fNOP.prototype = this.prototype;
+ fBound.prototype = new fNOP();
+
+ return fBound;
+ };
+}
+
+// rAF polyfill
+(function() {
+ var lastTime = 0;
+ var vendors = ['ms', 'moz', 'webkit', 'o'];
+ for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+ window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
+ window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame']
+ || window[vendors[x]+'CancelRequestAnimationFrame'];
+ }
+
+ if (!window.requestAnimationFrame)
+ window.requestAnimationFrame = function(callback, element) {
+ var currTime = new Date().getTime();
+ var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+ var id = window.setTimeout(function() { callback(currTime + timeToCall); },
+ timeToCall);
+ lastTime = currTime + timeToCall;
+ return id;
+ };
+
+ if (!window.cancelAnimationFrame)
+ window.cancelAnimationFrame = function(id) {
+ clearTimeout(id);
+ };
+}());
+
+
+function selectElementContents(el) {
+ if (window.getSelection && document.createRange) {
+ var sel = window.getSelection();
+ var range = document.createRange();
+ range.selectNodeContents(el);
+ sel.removeAllRanges();
+ sel.addRange(range);
+ } else if (document.selection && document.body.createTextRange) {
+ var textRange = document.body.createTextRange();
+ textRange.moveToElementText(el);
+ textRange.select();
+ }
+}