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jumble.js
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jumble.js
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/**
* Jumble jQuery plug-in
* Text Colour Truffle Shuffle
*
* @author Jean-Christophe Nicolas <[email protected]>
* @homepage http://bite-software.co.uk/jumble/
* @version 1
* @license MIT http://opensource.org/licenses/MIT
* @date 22-05-2013
*/
(function($) {
var Plugin = function(me,rgb,rgb2,brightness,satuation){
this.el = me;
this.col = rgb;
this.rgb2 = (rgb2)? rgb2 : false;
this.bright = (brightness)? true : false;
this.satuation = (satuation)? true : false;
this.num = me.html().length;
this.pin = ~~(Math.random()*1000);
this.init();
}
Plugin.prototype.init = function(){
var i = 0, p = this.pin;
var chars = $.map(this.el.text().split(''), function(l) {
i++;
return '<span class="'+p+'jumble_'+ i +'">' + l + '</span>';
});
this.el.html(chars.join(''));
this.format();
}
Plugin.prototype.format = function(){
for(var i=1;i<=this.num;i++){
var colour = this.swatch();
this.el.children('.'+this.pin+'jumble_'+i).css('color',colour);
}
}
Plugin.prototype.swatch = function(){
var colour;
if(!this.col){
colour = '#'+(0x1000000+(Math.random())*0xffffff).toString(16).substr(1,6);
}else{
var hsl = this.hsl(this.col);
colour = 'rgb(' + this.filter(hsl) + ')';
}
return colour;
}
Plugin.prototype.filter = function(hsl){
var HSL = hsl,
l = hsl[2], r = l/2,
lightness = l;
if(this.bright){
if(l<30){
lightness = l + Math.random()*l;
}else if(l>70){
lightness = l - Math.random()*l;
}else{
lightness = l - r + Math.random()*l;
}
}
//var lightness = (this.bright)? ~~( l/2 - (l/2) + Math.random()*l/1.5) : l,
var hue = hsl[0],
sat = hsl[1];
if(this.rgb2){
var hsl2 = this.hsl(this.rgb2),
r1 = hsl[0],
r2 = hsl2[0];
function randomRange(from,to){
return ~~(Math.random()*(to-from+1)+from);
}
hue = randomRange(r1,r2);
}
if(this.satuation){
sat = ~~(Math.random()*100);
}
HSL[0] = hue;
HSL[1] = sat;
HSL[2] = lightness;
return this.rgb(HSL);
}
$.fn.jumble = function(rgb,rgb2,brightness,satuation,time){
var el = $(this);
var anim = (time)? time : false;
$(this).each(function(i){
var me = $(this),
play = true;
if( isMobile.any() ) play = false;
if(anim && play){
setInterval(function(){
var jumble = new Plugin(me,rgb,rgb2,brightness,satuation);
},anim);
}else{
var jumble = new Plugin(me,rgb,rgb2,brightness,satuation);
}
})
return el;
}
Plugin.prototype.colourFilter = function(){
var col = this.colours;
col.c1 = this.colstep(col.c1);
col.c1.push(col.alpha);
col.c2 = this.colstep(col.c2);
col.c2.push(col.alpha);
col.shade = this.colstep(col.shade);
col.shade.push(col.alpha);
}
Plugin.prototype.colstep = function(col){
var hsl = this.hsl(col),
wheel = this.colours.wheel,
hue = (360 * wheel);
hsl[0] = hsl[0] - (~~(Math.random()*hue/2)) + (~~(Math.random()*hue/2));
hsl[1] = wheel * 100;
hsl[2] = 30 * this.colours.light;
return this.rgb(hsl);
}
Plugin.prototype.hsl = function(rgb){
var r1 = rgb[0] / 255;
var g1 = rgb[1] / 255;
var b1 = rgb[2] / 255;
var maxColor = Math.max(r1,g1,b1);
var minColor = Math.min(r1,g1,b1);
//Calculate L:
var L = (maxColor + minColor) / 2 ;
var S = 0;
var H = 0;
if(maxColor != minColor){
//Calculate S:
if(L < 0.5){
S = (maxColor - minColor) / (maxColor + minColor);
}else{
S = (maxColor - minColor) / (2.0 - maxColor - minColor);
}
//Calculate H:
if(r1 == maxColor){
H = (g1-b1) / (maxColor - minColor);
}else if(g1 == maxColor){
H = 2.0 + (b1 - r1) / (maxColor - minColor);
}else{
H = 4.0 + (r1 - g1) / (maxColor - minColor);
}
}
L = L * 100;
S = S * 100;
H = H * 60;
if(H<0){
H += 360;
}
var result = [H, S, L];
return result;
}
Plugin.prototype.rgb = function(hsl){
var h = hsl[0];
var s = hsl[1];
var l = hsl[2];
var m1, m2, hue;
var r, g, b;
s /=100;
l /= 100;
if (s == 0)
r = g = b = (l * 255);
else {
if (l <= 0.5)
m2 = l * (s + 1);
else
m2 = l + s - l * s;
m1 = l * 2 - m2;
hue = h / 360;
r = this.hue2rgb(m1, m2, hue + 1/3);
g = this.hue2rgb(m1, m2, hue);
b = this.hue2rgb(m1, m2, hue - 1/3);
}
return [Math.round(r), Math.round(g), Math.round(b)];
}
Plugin.prototype.hue2rgb = function(m1, m2, hue) {
var v;
if (hue < 0)
hue += 1;
else if (hue > 1)
hue -= 1;
if (6 * hue < 1)
v = m1 + (m2 - m1) * hue * 6;
else if (2 * hue < 1)
v = m2;
else if (3 * hue < 2)
v = m1 + (m2 - m1) * (2/3 - hue) * 6;
else
v = m1;
return 255 * v;
};
var isMobile = {
Android: function() {
return navigator.userAgent.match(/Android/i);
},
BlackBerry: function() {
return navigator.userAgent.match(/BlackBerry/i);
},
iOS: function() {
return navigator.userAgent.match(/iPhone|iPad|iPod/i);
},
Opera: function() {
return navigator.userAgent.match(/Opera Mini/i);
},
Windows: function() {
return navigator.userAgent.match(/IEMobile/i);
},
any: function() {
return (isMobile.Android() || isMobile.BlackBerry() || isMobile.iOS() || isMobile.Opera() || isMobile.Windows());
}
};
})(jQuery);