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// window.addEventListener('message', function(e) {
// console.log(e.data)
// if (e.data == "click") {
// document.body.click()
// }
// if (e.data == "ready") {
// app.ready()
// }
// })
var TWO_PI = Math.PI * 2
var DEG_TO_RAD = Math.PI/180
var RAD_TO_DEG = 180/Math.PI
function gray(n) {
var s = Math.round(n * 255).toString(16) + ""
if (s.length == 1) s = "0" + s
return "#" + s + s + s
}
function sanitize (s){ return (s || "").replace(new RegExp("[<>&]", 'g'), "") }
function rand(n){ return (Math.random()*n) }
function randint(n){ return rand(n)|0 }
function randrange(a,b){ return a + rand(b-a) }
function randsign(){ return Math.random() > 0.5 ? 1 : -1 }
function choice(a){ return a[randint(a.length)] }
function clamp(n,a,b){ return n<a?a:n<b?n:b }
function lerp(n,a,b){ return (b-a)*n+a }
function avg(m,n,a){ return (m*(a-1)+n)/a }
function mod(n,m){ return n-(m * Math.floor(n/m)) }
function quantize(a,b){ return Math.round(a/b)*b }
function dist(x0,y0,x1,y1){
var dx = x1-x0
var dy = y1-y0
return Math.sqrt(dx*dx + dy*dy)
}
function angle(x0,y0,x1,y1){ return Math.atan2(y1-y0,x1-x0) }
function pluck(h,a){
var hh = {}
if (typeof a == "string") a = a.split(" ");
a.forEach(function(s){ hh[s] = h[s] })
return hh
}
function shuffle(a){
for (var i = a.length; i > 0; i--){
var r = randint(i)
var swap = a[i-1]
a[i-1] = a[r]
a[r] = swap
}
return a
}
function defaults (dest, src) {
dest = dest || {}
for (var i in src) {
dest[i] = typeof dest[i] == 'undefined' ? src[i] : dest[i]
}
return dest
}
function getFirstTouch(fn){
return function(e){
e.preventDefault()
var touch = e.touches[0]
fn(touch)
}
}
function offsetFromPoint(event, element) {
function a(width) {
var l = 0, r = 200;
while (r - l > 0.0001) {
var mid = (r + l) / 2;
var a = document.createElement('div');
a.style.cssText = 'position: absolute;left:0;top:0;background: red;z-index: 1000;';
a.style[width ? 'width' : 'height'] = mid.toFixed(3) + '%';
a.style[width ? 'height' : 'width'] = '100%';
element.appendChild(a);
var x = document.elementFromPoint(event.clientX, event.clientY);
element.removeChild(a);
if (x === a) {
r = mid;
} else {
if (r === 200) {
return null;
}
l = mid;
}
}
return mid;
}
var l = a(1),
t = a(0);
return l && t ? {
left: l / 100,
top: t / 100,
toString: function () {
return 'left: ' + l + '%, top: ' + t + '%';
}
} : null;
}
// Check if supports 3D transforms
function has3d(){
var el = $('<p>')[0], $iframe = $('<iframe>'), has3d, t,
transforms = {
'webkitTransform': '-webkit-transform',
'OTransform': '-o-transform',
'msTransform': '-ms-transform',
'transform': 'transform'
};
// Add it to the body to get the computed style
// Sandbox it inside an iframe to avoid Android Browser quirks
$iframe.appendTo('body').contents().find('body').append( el );
for (t in transforms) {
if (el.style[t] !== undefined) {
el.style[t] = 'translate3d(1px,1px,1px)';
has3d = window.getComputedStyle(el).getPropertyValue(transforms[t]);
}
}
$iframe.remove();
return has3d !== undefined && has3d.length > 0 && has3d !== "none";
}
// Identify browser based on useragent string
;(function( ua ) {
ua = ua.toLowerCase();
var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
/(webkit)[ \/]([\w.]+)/.exec( ua ) ||
/(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
/(msie) ([\w.]+)/.exec( ua ) ||
ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
[];
var matched = {
browser: match[ 1 ] || "",
version: match[ 2 ] || "0"
};
browser = {};
if ( matched.browser ) {
browser[ matched.browser ] = true;
browser.version = matched.version;
}
// Chrome is Webkit, but Webkit is also Safari.
if ( browser.chrome ) {
browser.webkit = true;
} else if ( browser.webkit ) {
browser.safari = true;
}
if (window.$) $.browser = browser;
return browser;
})( navigator.userAgent );
// Naive useragent detection pattern
var is_iphone = (navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i))
var is_ipad = (navigator.userAgent.match(/iPad/i))
var is_android = (navigator.userAgent.match(/Android/i))
var is_mobile = is_iphone || is_ipad || is_android
var is_desktop = ! is_mobile;
var transformProp = browser.safari ? "WebkitTransform" : "transform";
if (is_mobile) {
$("html").addClass("mobile")
}
else {
$("html").addClass("desktop")
}
// rAF shim
;(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);
};
}());
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