First commit

1 files changed, 113 insertions, 0 deletions

diff --git a/js/index.js b/js/index.js
new file mode 100644
index 0000000..d398243
--- /dev/null
+++ b/js/index.js
@@ -0,0 +1,113 @@
+/*global */
+
+(function() {
+  // http://paulirish.com/2011/requestanimationframe-for-smart-animating/
+  // http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
+  // requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel
+  // MIT license
+  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);
+    };
+  }
+}());
+
+Element.prototype.hasClassName = function (a) {
+    return new RegExp("(?:^|\\s+)" + a + "(?:\\s+|$)").test(this.className);
+};
+
+Element.prototype.addClassName = function (a) {
+    if (!this.hasClassName(a)) {
+        this.className = [this.className, a].join(" ");
+    }
+};
+
+Element.prototype.removeClassName = function (b) {
+    if (this.hasClassName(b)) {
+        var a = this.className;
+        this.className = a.replace(new RegExp("(?:^|\\s+)" + b + "(?:\\s+|$)", "g"), " ");
+    }
+};
+
+Element.prototype.toggleClassName = function (a) {
+  this[this.hasClassName(a) ? "removeClassName" : "addClassName"](a);
+};
+
+
+function toDegrees (angle) {
+  return angle * (180 / Math.PI);
+}
+
+function toRadians (angle) {
+  return angle * (Math.PI / 180);
+}
+
+function deadCenter(){
+  var el = document.querySelectorAll('#main')[0];
+  el.style.lineHeight = window.innerHeight+'px';
+}
+
+var Shoreditch = function( elem ) {
+  
+  this.elem = elem;
+  this.panes = parseInt( this.elem.getAttribute('data-panes'), 15 );
+  
+  this.colorTime = ~~( Math.random() * 360 );
+  this.waveTheta = 0;
+
+  this.colorIncrement = -1;
+  this.degrees = 1;
+
+  this.animate();
+};
+
+Shoreditch.prototype.getTextShadow = function( x, y, blur, hue, alpha ) {
+  return ', ' + x + 'px ' + y + 'px ' + blur + 'px ' + 'hsla(' + hue + ', 100%, 45%, ' + alpha + ')';
+};
+
+Shoreditch.prototype.animate = function() {
+  var shadows = '0 0 transparent',
+      i, j, x, y;
+  this.degrees  = (this.degrees !== void 0) ? this.degrees - 1 : 0;
+  // renders rainbow river
+  for ( i = 1; i < this.panes; i++ ) {
+    var normI = i / this.panes;
+    var hue = ( normI * 50 + this.colorTime * 0.5 ) % 360;
+    var alpha = ( 1 - normI ) * 0.8;
+    x = Math.cos(toRadians(this.degrees + i*Math.PI*Math.PI)) * i*(i/10);
+    // x = 0;
+    y = Math.sin(toRadians(this.degrees + i*Math.PI*Math.PI)) * i*(i*2);
+    shadows += this.getTextShadow( x, y, i*(i/5), hue, alpha );
+  }
+
+  this.elem.style.textShadow = shadows;
+  this.colorTime += this.colorIncrement;
+  window.requestAnimationFrame( this.animate.bind( this ) );
+};
+
+window.addEventListener( 'resize', deadCenter );
+
+window.addEventListener( 'DOMContentLoaded', function() {
+  deadCenter();
+	var grov = new Shoreditch(document.querySelectorAll('#txt')[0]);
+}, false );
+