From 7aba203152ceeddedc67e0902f4dc6eb96dcacc1 Mon Sep 17 00:00:00 2001
From: Nils Bernhardt <nils.bernhardt@gmx.net>
Date: Fri, 1 Dec 2017 09:57:17 +0100
Subject: [PATCH 1/2] Added option to exclude mobile devices

---
 dist/snowfall.jquery.min.js |  2 +-
 src/snowfall.jquery.js      | 16 +++++++++++++---
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/dist/snowfall.jquery.min.js b/dist/snowfall.jquery.min.js
index f4c5622..1b3c819 100644
--- a/dist/snowfall.jquery.min.js
+++ b/dist/snowfall.jquery.min.js
@@ -1 +1 @@
-Date.now||(Date.now=function(){return(new Date).getTime()}),function(){"use strict";for(var t=["webkit","moz"],e=0;e<t.length&&!window.requestAnimationFrame;++e){var i=t[e];window.requestAnimationFrame=window[i+"RequestAnimationFrame"],window.cancelAnimationFrame=window[i+"CancelAnimationFrame"]||window[i+"CancelRequestAnimationFrame"]}if(/iP(ad|hone|od).*OS 6/.test(window.navigator.userAgent)||!window.requestAnimationFrame||!window.cancelAnimationFrame){var s=0;window.requestAnimationFrame=function(t){var e=Date.now(),i=Math.max(s+16,e);return setTimeout(function(){t(s=i)},i-e)},window.cancelAnimationFrame=clearTimeout}}(),function(t){t.snowfall=function(e,i){function s(s,n,a,r){this.x=s,this.y=n,this.size=a,this.speed=r,this.step=0,this.stepSize=h(1,10)/100,i.collection&&(this.target=m[h(0,m.length-1)]);var p=null;i.image?(p=document.createElement("img"),p.src=i.image):(p=document.createElement("div"),t(p).css({background:i.flakeColor})),t(p).attr({"class":"snowfall-flakes"}).css({width:this.size,height:this.size,position:i.flakePosition,top:this.y,left:this.x,fontSize:0,zIndex:i.flakeIndex}),t(e).get(0).tagName===t(document).get(0).tagName?(t("body").append(t(p)),e=t("body")):t(e).append(t(p)),this.element=p,this.update=function(){if(this.y+=this.speed,this.y>l-(this.size+6)&&this.reset(),this.element.style.top=this.y+"px",this.element.style.left=this.x+"px",this.step+=this.stepSize,y===!1?this.x+=Math.cos(this.step):this.x+=y+Math.cos(this.step),i.collection&&this.x>this.target.x&&this.x<this.target.width+this.target.x&&this.y>this.target.y&&this.y<this.target.height+this.target.y){var t=this.target.element.getContext("2d"),e=this.x-this.target.x,s=this.y-this.target.y,n=this.target.colData;if(void 0!==n[parseInt(e)][parseInt(s+this.speed+this.size)]||s+this.speed+this.size>this.target.height)if(s+this.speed+this.size>this.target.height){for(;s+this.speed+this.size>this.target.height&&this.speed>0;)this.speed*=.5;t.fillStyle=o.flakeColor,void 0==n[parseInt(e)][parseInt(s+this.speed+this.size)]?(n[parseInt(e)][parseInt(s+this.speed+this.size)]=1,t.fillRect(e,s+this.speed+this.size,this.size,this.size)):(n[parseInt(e)][parseInt(s+this.speed)]=1,t.fillRect(e,s+this.speed,this.size,this.size)),this.reset()}else this.speed=1,this.stepSize=0,parseInt(e)+1<this.target.width&&void 0==n[parseInt(e)+1][parseInt(s)+1]?this.x++:parseInt(e)-1>0&&void 0==n[parseInt(e)-1][parseInt(s)+1]?this.x--:(t.fillStyle=o.flakeColor,t.fillRect(e,s,this.size,this.size),n[parseInt(e)][parseInt(s)]=1,this.reset())}(this.x+this.size>d-c||this.x<c)&&this.reset()},this.reset=function(){this.y=0,this.x=h(c,d-c),this.stepSize=h(1,10)/100,this.size=h(100*i.minSize,100*i.maxSize)/100,this.element.style.width=this.size+"px",this.element.style.height=this.size+"px",this.speed=h(i.minSpeed,i.maxSpeed)}}function n(){for(r=0;r<a.length;r+=1)a[r].update();p=requestAnimationFrame(function(){n()})}var a=[],o={flakeCount:35,flakeColor:"#ffffff",flakePosition:"absolute",flakeIndex:999999,minSize:1,maxSize:2,minSpeed:1,maxSpeed:5,round:!1,shadow:!1,collection:!1,collectionHeight:40,deviceorientation:!1},i=t.extend(o,i),h=function(t,e){return Math.round(t+Math.random()*(e-t))};t(e).data("snowfall",this);var r=0,l=t(e).height(),d=t(e).width(),c=0,p=0;if(i.collection!==!1){var f=document.createElement("canvas");if(f.getContext&&f.getContext("2d"))for(var m=[],w=t(i.collection),g=i.collectionHeight,r=0;r<w.length;r++){var u=w[r].getBoundingClientRect(),x=t("<canvas/>",{"class":"snowfall-canvas"}),z=[];if(u.top-g>0){t("body").append(x),x.css({position:i.flakePosition,left:u.left+"px",top:u.top-g+"px"}).prop({width:u.width,height:g});for(var v=0;v<u.width;v++)z[v]=[];m.push({element:x.get(0),x:u.left,y:u.top-g,width:u.width,height:g,colData:z})}}else i.collection=!1}for(t(e).get(0).tagName===t(document).get(0).tagName&&(c=25),t(window).bind("resize",function(){l=t(e)[0].clientHeight,d=t(e)[0].offsetWidth}),r=0;r<i.flakeCount;r+=1)a.push(new s(h(c,d-c),h(0,l),h(100*i.minSize,100*i.maxSize)/100,h(i.minSpeed,i.maxSpeed)));i.round&&t(".snowfall-flakes").css({"-moz-border-radius":i.maxSize,"-webkit-border-radius":i.maxSize,"border-radius":i.maxSize}),i.shadow&&t(".snowfall-flakes").css({"-moz-box-shadow":"1px 1px 1px #555","-webkit-box-shadow":"1px 1px 1px #555","box-shadow":"1px 1px 1px #555"});var y=!1;i.deviceorientation&&t(window).bind("deviceorientation",function(t){y=.1*t.originalEvent.gamma}),n(),this.clear=function(){t(".snowfall-canvas").remove(),t(e).children(".snowfall-flakes").remove(),cancelAnimationFrame(p)}},t.fn.snowfall=function(e){return"object"==typeof e||void 0==e?this.each(function(i){new t.snowfall(this,e)}):"string"==typeof e?this.each(function(e){var i=t(this).data("snowfall");i&&i.clear()}):void 0}}(jQuery);
\ No newline at end of file
+Date.now||(Date.now=function(){return(new Date).getTime()}),function(){"use strict";for(var e=["webkit","moz"],t=0;t<e.length&&!window.requestAnimationFrame;++t){var i=e[t];window.requestAnimationFrame=window[i+"RequestAnimationFrame"],window.cancelAnimationFrame=window[i+"CancelAnimationFrame"]||window[i+"CancelRequestAnimationFrame"]}if(/iP(ad|hone|od).*OS 6/.test(window.navigator.userAgent)||!window.requestAnimationFrame||!window.cancelAnimationFrame){var s=0;window.requestAnimationFrame=function(e){var t=Date.now(),i=Math.max(s+16,t);return setTimeout(function(){e(s=i)},i-t)},window.cancelAnimationFrame=clearTimeout}}(),function(e){e.snowfall=function(t,i){function s(){for(h=0;h<n.length;h+=1)n[h].update();c=requestAnimationFrame(function(){s()})}var n=[],a={flakeCount:35,flakeColor:"#ffffff",flakePosition:"absolute",flakeIndex:999999,minSize:1,maxSize:2,minSpeed:1,maxSpeed:5,round:!1,shadow:!1,collection:!1,collectionHeight:40,deviceorientation:!1,excludeMobile:!0},i=e.extend(a,i),o=function(e,t){return Math.round(e+Math.random()*(t-e))};isMobile=navigator.userAgent.match(/mobile|opera m(ob|in)/i),isMobile&&i.excludeMobile&&exit(),e(t).data("snowfall",this);var h=0,r=e(t).height(),l=e(t).width(),d=0,c=0;if(!1!==i.collection){var p=document.createElement("canvas");if(p.getContext&&p.getContext("2d"))for(var f=[],m=e(i.collection),w=i.collectionHeight,h=0;h<m.length;h++){var u=m[h].getBoundingClientRect(),g=e("<canvas/>",{class:"snowfall-canvas"}),x=[];if(u.top-w>0){e("body").append(g),g.css({position:i.flakePosition,left:u.left+"px",top:u.top-w+"px"}).prop({width:u.width,height:w});for(var z=0;z<u.width;z++)x[z]=[];f.push({element:g.get(0),x:u.left,y:u.top-w,width:u.width,height:w,colData:x})}}else i.collection=!1}for(e(t).get(0).tagName===e(document).get(0).tagName&&(d=25),e(window).bind("resize",function(){r=e(t)[0].clientHeight,l=e(t)[0].offsetWidth}),h=0;h<i.flakeCount;h+=1)n.push(new function(s,n,h,c){this.x=s,this.y=n,this.size=h,this.speed=c,this.step=0,this.stepSize=o(1,10)/100,i.collection&&(this.target=f[o(0,f.length-1)]);var p=null;i.image?(p=document.createElement("img")).src=i.image:(p=document.createElement("div"),e(p).css({background:i.flakeColor})),e(p).attr({class:"snowfall-flakes"}).css({width:this.size,height:this.size,position:i.flakePosition,top:this.y,left:this.x,fontSize:0,zIndex:i.flakeIndex}),e(t).get(0).tagName===e(document).get(0).tagName?(e("body").append(e(p)),t=e("body")):e(t).append(e(p)),this.element=p,this.update=function(){if(this.y+=this.speed,this.y>r-(this.size+6)&&this.reset(),this.element.style.top=this.y+"px",this.element.style.left=this.x+"px",this.step+=this.stepSize,this.x+=!1===v?Math.cos(this.step):v+Math.cos(this.step),i.collection&&this.x>this.target.x&&this.x<this.target.width+this.target.x&&this.y>this.target.y&&this.y<this.target.height+this.target.y){var e=this.target.element.getContext("2d"),t=this.x-this.target.x,s=this.y-this.target.y,n=this.target.colData;if(void 0!==n[parseInt(t)][parseInt(s+this.speed+this.size)]||s+this.speed+this.size>this.target.height)if(s+this.speed+this.size>this.target.height){for(;s+this.speed+this.size>this.target.height&&this.speed>0;)this.speed*=.5;e.fillStyle=a.flakeColor,void 0==n[parseInt(t)][parseInt(s+this.speed+this.size)]?(n[parseInt(t)][parseInt(s+this.speed+this.size)]=1,e.fillRect(t,s+this.speed+this.size,this.size,this.size)):(n[parseInt(t)][parseInt(s+this.speed)]=1,e.fillRect(t,s+this.speed,this.size,this.size)),this.reset()}else this.speed=1,this.stepSize=0,parseInt(t)+1<this.target.width&&void 0==n[parseInt(t)+1][parseInt(s)+1]?this.x++:parseInt(t)-1>0&&void 0==n[parseInt(t)-1][parseInt(s)+1]?this.x--:(e.fillStyle=a.flakeColor,e.fillRect(t,s,this.size,this.size),n[parseInt(t)][parseInt(s)]=1,this.reset())}(this.x+this.size>l-d||this.x<d)&&this.reset()},this.reset=function(){this.y=0,this.x=o(d,l-d),this.stepSize=o(1,10)/100,this.size=o(100*i.minSize,100*i.maxSize)/100,this.element.style.width=this.size+"px",this.element.style.height=this.size+"px",this.speed=o(i.minSpeed,i.maxSpeed)}}(o(d,l-d),o(0,r),o(100*i.minSize,100*i.maxSize)/100,o(i.minSpeed,i.maxSpeed)));i.round&&e(".snowfall-flakes").css({"-moz-border-radius":i.maxSize,"-webkit-border-radius":i.maxSize,"border-radius":i.maxSize}),i.shadow&&e(".snowfall-flakes").css({"-moz-box-shadow":"1px 1px 1px #555","-webkit-box-shadow":"1px 1px 1px #555","box-shadow":"1px 1px 1px #555"});var v=!1;i.deviceorientation&&e(window).bind("deviceorientation",function(e){v=.1*e.originalEvent.gamma}),s(),this.clear=function(){e(".snowfall-canvas").remove(),e(t).children(".snowfall-flakes").remove(),cancelAnimationFrame(c)}},e.fn.snowfall=function(t){return"object"==typeof t||void 0==t?this.each(function(i){new e.snowfall(this,t)}):"string"==typeof t?this.each(function(t){var i=e(this).data("snowfall");i&&i.clear()}):void 0}}(jQuery);
\ No newline at end of file
diff --git a/src/snowfall.jquery.js b/src/snowfall.jquery.js
index 6ce1169..7d6a110 100644
--- a/src/snowfall.jquery.js
+++ b/src/snowfall.jquery.js
@@ -16,6 +16,9 @@
        limitations under the License.
     ====================================================================
 
+    Version 1.52 Dec 1st 2017
+    // Added option to exclude mobile devices
+
     Version 1.51 Dec 2nd 2012
     // fixed bug where snow collection didn't happen if a valid doctype was declared.
 
@@ -49,8 +52,9 @@
     maxSize,
     minSpeed,
     maxSpeed,
-    round,      true or false, makes the snowflakes rounded if the browser supports it.
-    shadow      true or false, gives the snowflakes a shadow if the browser supports it.
+    round,        true or false, makes the snowflakes rounded if the browser supports it.
+    shadow,       true or false, gives the snowflakes a shadow if the browser supports it.
+    excludeMobile true (default) or false. Do not show up on mobile devices to save their batterie and cpu.
 
     Example Usage :
     $(document).snowfall({flakeCount : 100, maxSpeed : 10});
@@ -110,13 +114,19 @@ if (!Date.now)
                 shadow : false,
                 collection : false,
                 collectionHeight : 40,
-                deviceorientation : false
+                deviceorientation : false,
+                excludeMobile : true
             },
             options = $.extend(defaults, options),
             random = function random(min, max){
                 return Math.round(min + Math.random()*(max-min));
             };
 
+            // Are we runing on a mobile device?
+            isMobile = navigator.userAgent.match(/mobile|opera m(ob|in)/i);
+            // If we do and excludeMobile is TRUE: Exit
+            if (isMobile && options.excludeMobile) exit();
+
             $(element).data("snowfall", this);
 
             // Snow flake object

From c76ef0595ba154646d0a27611eb8ca151a8e9151 Mon Sep 17 00:00:00 2001
From: Nils Bernhardt <nils.bernhardt@gmx.net>
Date: Sat, 2 Dec 2017 10:11:23 +0100
Subject: [PATCH 2/2] Updated version info & readme

---
 readme.md              |  7 +++++++
 src/snowfall.jquery.js | 17 +++++++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index 9f3a100..3357789 100644
--- a/readme.md
+++ b/readme.md
@@ -6,6 +6,13 @@ Snowfall jquery plugin
 
 Install using `bower install jquery-snowfall`
 
+
+Version 1.7.5 - Dec 2nd 2017
+---
+
+JQuery-Version: Added option to exclude mobile devices: `excludeMobile` (defaults to true). 
+
+
 Version 1.7.4
 ---
 
diff --git a/src/snowfall.jquery.js b/src/snowfall.jquery.js
index 7d6a110..6b488b0 100644
--- a/src/snowfall.jquery.js
+++ b/src/snowfall.jquery.js
@@ -16,8 +16,21 @@
        limitations under the License.
     ====================================================================
 
-    Version 1.52 Dec 1st 2017
-    // Added option to exclude mobile devices
+    Version 1.7.5 - Dec 2nd 2017
+    // JQuery-Version: Added option to exclude mobile devices: `excludeMobile` (defaults to true). 
+
+    Version 1.7.4
+    // Bug fixes, removed `requestAnimationFrame` polyfill.
+    // Updated to use [gulpjs](http://gulpjs.com/) for build process.
+
+    Version 1.6 Dec 8th 2012
+    // Added the ability to use images as snow flakes instead of just solid colored elements.
+        $(element).snowfall({image :"images/flake.png", minSize: 10, maxSize:32});
+        
+        Pure version
+        snowFall.snow(elementCollection, {image : "images/flake.png", minSize: 10, maxSize:32});
+
+        elementCollection can be any valid element such as document.body
 
     Version 1.51 Dec 2nd 2012
     // fixed bug where snow collection didn't happen if a valid doctype was declared.