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20thingsilearned.min.js
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| /* | |
| * jQuery JavaScript Library v1.4.2 | |
| * http://jquery.com/ | |
| * | |
| * Copyright 2010, John Resig | |
| * Dual licensed under the MIT or GPL Version 2 licenses. | |
| * http://jquery.org/license | |
| * | |
| * Includes Sizzle.js | |
| * http://sizzlejs.com/ | |
| * Copyright 2010, The Dojo Foundation | |
| * Released under the MIT, BSD, and GPL Licenses. | |
| * | |
| * Date: Sat Feb 13 22:33:48 2010 -0500 | |
| */ | |
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TT.storage.data.progress["/"+articleId+"/1"]==true;};TT.pageflip={};TT.pageflip.HINT_WIDTH=100;TT.pageflip.HINT_WIDTH_TOUCH=250;TT.pageflip.CANVAS_VERTICAL_PADDING=80;TT.pageflip.CANVAS_HORIZONTAL_PADDING=20;TT.pageflip.CANVAS_WIDTH=TT.BOOK_WIDTH+(TT.pageflip.CANVAS_HORIZONTAL_PADDING*2);TT.pageflip.CANVAS_HEIGHT=TT.BOOK_HEIGHT+(TT.pageflip.CANVAS_VERTICAL_PADDING*2);TT.pageflip.FRAMERATE=30;TT.pageflip.CLICK_FREQUENCY=350;TT.pageflip.SOFT_FLIP="soft";TT.pageflip.HARD_FLIP="hard";TT.pageflip.pages=[];TT.pageflip.flips=[];TT.pageflip.canvas=null;TT.pageflip.context=null;TT.pageflip.dirtyRegion=new Region();TT.pageflip.dragging=false;TT.pageflip.turning=false;TT.pageflip.hinting=false;TT.pageflip.loopInterval=-1;TT.pageflip.mouse={x:0,y:0,down:false};TT.pageflip.mouseHistory=[];TT.pageflip.skew={top:0,topTarget:0,bottom:0,bottomTarget:0};TT.pageflip.mouseDownTime=0;TT.pageflip.texture=null;TT.pageflip.textures={};TT.pageflip.flippedLeftPage=null;TT.pageflip.flippedBackCover=null;TT.pageflip.lastKeyboardNavigationTime=0;TT.pageflip.lastKeyboardNavigationDirection=null;TT.pageflip.eventsAreBound=null;TT.pageflip.initialize=function(){TT.pageflip.createCanvas();TT.pageflip.createTextures();if(TT.pageflip.eventsAreBound==null){TT.pageflip.registerEventListeners();}$(document).bind("keydown",TT.pageflip.onKeyPress);};TT.pageflip.registerEventListeners=function(){TT.pageflip.unregisterEventListeners();TT.pageflip.eventsAreBound=true;$(document).bind("mousemove",TT.pageflip.onMouseMove);$(document).bind("mousedown",TT.pageflip.onMouseDown);$(document).bind("mouseup",TT.pageflip.onMouseUp);if(TT.IS_TOUCH_DEVICE){document.addEventListener("touchstart",TT.pageflip.onTouchStart,false);document.addEventListener("touchmove",TT.pageflip.onTouchMove,false);document.addEventListener("touchend",TT.pageflip.onTouchEnd,false);}};TT.pageflip.unregisterEventListeners=function(){TT.pageflip.eventsAreBound=false;$(document).unbind("mousemove",TT.pageflip.onMouseMove);$(document).unbind("mousedown",TT.pageflip.onMouseDown);$(document).unbind("mouseup",TT.pageflip.onMouseUp);if(TT.IS_TOUCH_DEVICE){document.removeEventListener("touchstart",TT.pageflip.onTouchStart);document.removeEventListener("touchmove",TT.pageflip.onTouchMove);document.removeEventListener("touchend",TT.pageflip.onTouchEnd);}};TT.pageflip.createTextures=function(){TT.pageflip.flippedLeftPage=$("<img>",{src:$("#left-page img").attr("data-src-flipped"),width:$("#left-page img").attr("width"),height:$("#left-page img").attr("height")})[0];TT.pageflip.flippedBackCover=$("<img>",{src:$("#back-cover img").attr("data-src-flipped"),width:$("#back-cover img").attr("width"),height:$("#back-cover img").attr("height")})[0];TT.pageflip.textures.front=$("#front-cover img")[0];TT.pageflip.textures.back=TT.pageflip.flippedBackCover;TT.pageflip.textures.left=TT.pageflip.flippedLeftPage;TT.pageflip.textures.right=$("#right-page img")[0];};TT.pageflip.createCanvas=function(){TT.pageflip.canvas=$('<canvas id="pageflip"></canvas>');TT.pageflip.canvas.css({position:"absolute",top:-TT.pageflip.CANVAS_VERTICAL_PADDING,left:-TT.pageflip.CANVAS_HORIZONTAL_PADDING,zIndex:0});TT.pageflip.canvas[0].width=TT.pageflip.CANVAS_WIDTH;TT.pageflip.canvas[0].height=TT.pageflip.CANVAS_HEIGHT;TT.pageflip.context=TT.pageflip.canvas[0].getContext("2d");TT.pageflip.canvas.appendTo($("#book"));};TT.pageflip.createCanvasTexture=function(image,translation,scale,rotation){var canvas=$("<canvas></canvas>");canvas.css({position:"absolute",display:"block"});canvas[0].width=TT.BOOK_WIDTH_CLOSED;canvas[0].height=TT.BOOK_HEIGHT;var context=canvas[0].getContext("2d");context.translate(translation.x,translation.y);context.scale(scale.x,scale.y);context.rotate(rotation);context.drawImage(image,0,0);return canvas[0];};TT.pageflip.activate=function(){if(TT.pageflip.loopInterval==-1){clearInterval(TT.pageflip.loopInterval);TT.pageflip.loopInterval=setInterval(TT.pageflip.redraw,1000/TT.pageflip.FRAMERATE);}TT.pageflip.canvas.css("z-index",1010);};TT.pageflip.deactivate=function(){clearInterval(TT.pageflip.loopInterval);TT.pageflip.loopInterval=-1;TT.pageflip.context.clearRect(0,0,TT.pageflip.CANVAS_WIDTH,TT.pageflip.CANVAS_HEIGHT);TT.pageflip.canvas.css("z-index",0);};TT.pageflip.redraw=function(){var cvs=TT.pageflip.canvas[0];var ctx=TT.pageflip.context;var dirtyRect=TT.pageflip.dirtyRegion.toRectangle(40);if(dirtyRect.width>1&&dirtyRect.height>1){ctx.clearRect(dirtyRect.x,dirtyRect.y,dirtyRect.width,dirtyRect.height);}TT.pageflip.dirtyRegion.reset();for(var i=0,len=TT.pageflip.flips.length;i<len;i++){var flip=TT.pageflip.flips[i];if(flip.type==TT.pageflip.HARD_FLIP){TT.pageflip.renderHardFlip(flip);}else{TT.pageflip.renderSoftFlip(flip);}}TT.pageflip.removeInactiveFlips();};TT.pageflip.renderSoftFlip=function(flip){var mouse=TT.pageflip.mouse;var skew=TT.pageflip.skew;var cvs=TT.pageflip.canvas[0];var ctx=TT.pageflip.context;var currentPage=flip.currentPage;if(flip.direction===-1){currentPage=flip.targetPage;}else{flip.targetPage.width(TT.PAGE_WIDTH);}if(TT.pageflip.dragging&&!flip.consumed){mouse.x=Math.max(Math.min(mouse.x,TT.PAGE_WIDTH),-TT.PAGE_WIDTH);mouse.y=Math.max(Math.min(mouse.y,TT.PAGE_HEIGHT),0);flip.progress=Math.min(mouse.x/TT.PAGE_WIDTH,1);}else{var distance=Math.abs(flip.target-flip.progress);var speed=flip.target==-1?0.3:0.2;var ease=distance<1?speed+Math.abs(flip.progress*(1-speed)):speed;ease*=Math.max(1-Math.abs(flip.progress),flip.target==1?0.5:0.2);flip.progress+=(flip.target-flip.progress)*ease;if(Math.round(flip.progress*99)==Math.round(flip.target*99)){flip.progress=flip.target;flip.x=TT.PAGE_WIDTH*flip.progress;currentPage.css({width:flip.x});if(flip.target==1||flip.target==-1){flip.consumed=true;TT.pageflip.completeCurrentTurn();return false;}}}flip.x=TT.PAGE_WIDTH*flip.progress;flip.strength=1-(flip.x/TT.PAGE_WIDTH);if(flip.target==-1&&flip.progress<-0.9){flip.alpha=1-((Math.abs(flip.progress)-0.9)/0.1);}var shadowAlpha=Math.min(1-((Math.abs(flip.progress)-0.75)/0.25),1);var centralizedFoldStrength=flip.strength>1?2-flip.strength:flip.strength;var verticalOutdent=40*centralizedFoldStrength;var horizontalSpread=(TT.PAGE_WIDTH*0.5)*flip.strength*0.95;if(flip.x+horizontalSpread<0){horizontalSpread=Math.abs(flip.x);}if(TT.navigation.isCreditsPage()){horizontalSpread=0;}var shadowSpread=(TT.PAGE_WIDTH*0.5)*Math.max(Math.min(flip.strength,0.5),0);var rightShadowWidth=(TT.PAGE_WIDTH*0.5)*Math.max(Math.min(flip.strength,0.5),0);var leftShadowWidth=(TT.PAGE_WIDTH*0.5)*Math.max(Math.min(centralizedFoldStrength,0.5),0);var foldShadowWidth=(TT.PAGE_WIDTH*0.9)*Math.max(Math.min(flip.strength,0.05),0);currentPage.css({width:Math.max(flip.x+horizontalSpread*0.5,0)});if(TT.pageflip.dragging){skew.topTarget=Math.max(Math.min((mouse.y/(TT.PAGE_HEIGHT*0.5)),1),0)*(40*centralizedFoldStrength);skew.bottomTarget=Math.max(Math.min(1-(mouse.y-(TT.PAGE_HEIGHT*0.5))/(TT.PAGE_HEIGHT*0.5),1),0)*(40*centralizedFoldStrength);}else{skew.topTarget=0;skew.bottomTarget=0;}if(flip.progress===1){skew.top=0;skew.bottom=0;}skew.top+=(skew.topTarget-skew.top)*0.3;skew.bottom+=(skew.bottomTarget-skew.bottom)*0.3;flip.x+=horizontalSpread;var drawingOffset={x:TT.pageflip.CANVAS_HORIZONTAL_PADDING+TT.PAGE_MARGIN_X+TT.PAGE_WIDTH,y:TT.pageflip.CANVAS_VERTICAL_PADDING+TT.PAGE_MARGIN_Y};ctx.save();ctx.translate(drawingOffset.x,drawingOffset.y);ctx.globalAlpha=flip.alpha;if(flip.direction==-1){ctx.globalCompositeOperation="destination-over";}ctx.strokeStyle="rgba(0,0,0,0.1)";ctx.lineWidth=0.5;ctx.beginPath();ctx.moveTo(flip.x+1,0);ctx.lineTo(flip.x+1,TT.PAGE_HEIGHT);ctx.stroke();var foldGradient=ctx.createLinearGradient(flip.x-shadowSpread,0,flip.x,0);foldGradient.addColorStop(0.35,"#fafafa");foldGradient.addColorStop(0.73,"#eeeeee");foldGradient.addColorStop(0.9,"#fafafa");foldGradient.addColorStop(1,"#e2e2e2");ctx.fillStyle=foldGradient;ctx.strokeStyle="rgba(0,0,0,0.1)";ctx.lineWidth=0.5;ctx.beginPath();ctx.moveTo(flip.x,0);ctx.lineTo(flip.x,TT.PAGE_HEIGHT);ctx.quadraticCurveTo(flip.x,TT.PAGE_HEIGHT+(verticalOutdent*1.9),flip.x-horizontalSpread+skew.bottom,TT.PAGE_HEIGHT+verticalOutdent);ctx.lineTo(flip.x-horizontalSpread+skew.top,-verticalOutdent);ctx.quadraticCurveTo(flip.x,-verticalOutdent*1.9,flip.x,0);ctx.fill();ctx.stroke();ctx.beginPath();ctx.strokeStyle="rgba(0,0,0,"+(0.04*shadowAlpha)+")";ctx.lineWidth=20*shadowAlpha;ctx.beginPath();ctx.moveTo(flip.x+skew.top-horizontalSpread,-verticalOutdent*0.5);ctx.lineTo(flip.x+skew.bottom-horizontalSpread,TT.PAGE_HEIGHT+(verticalOutdent*0.5));ctx.stroke();var rightShadowGradient=ctx.createLinearGradient(flip.x,0,flip.x+rightShadowWidth,0);rightShadowGradient.addColorStop(0,"rgba(0,0,0,"+(shadowAlpha*0.1)+")");rightShadowGradient.addColorStop(0.8,"rgba(0,0,0,0.0)");ctx.save();ctx.globalCompositeOperation="destination-over";ctx.fillStyle=rightShadowGradient;ctx.beginPath();ctx.moveTo(flip.x,0);ctx.lineTo(flip.x+rightShadowWidth,0);ctx.lineTo(flip.x+rightShadowWidth,TT.PAGE_HEIGHT);ctx.lineTo(flip.x,TT.PAGE_HEIGHT);ctx.fill();var foldShadowGradient=ctx.createLinearGradient(flip.x,0,flip.x+foldShadowWidth,0);foldShadowGradient.addColorStop(0,"rgba(0,0,0,"+(shadowAlpha*0.15)+")");foldShadowGradient.addColorStop(1,"rgba(0,0,0,0.0)");ctx.fillStyle=foldShadowGradient;ctx.beginPath();ctx.moveTo(flip.x,0);ctx.lineTo(flip.x+foldShadowWidth,0);ctx.lineTo(flip.x+foldShadowWidth,TT.PAGE_HEIGHT);ctx.lineTo(flip.x,TT.PAGE_HEIGHT);ctx.fill();ctx.restore();var leftShadowGradient=ctx.createLinearGradient(flip.x-horizontalSpread-leftShadowWidth,0,flip.x-horizontalSpread,0);leftShadowGradient.addColorStop(0,"rgba(0,0,0,0.0)");leftShadowGradient.addColorStop(1,"rgba(0,0,0,"+(shadowAlpha*0.05)+")");ctx.fillStyle=leftShadowGradient;ctx.beginPath();ctx.moveTo(flip.x-horizontalSpread+skew.top-leftShadowWidth,0);ctx.lineTo(flip.x-horizontalSpread+skew.top,0);ctx.lineTo(flip.x-horizontalSpread+skew.bottom,TT.PAGE_HEIGHT);ctx.lineTo(flip.x-horizontalSpread+skew.bottom-leftShadowWidth,TT.PAGE_HEIGHT);ctx.fill();ctx.restore();TT.pageflip.dirtyRegion.inflate(TT.PAGE_WIDTH+TT.pageflip.CANVAS_HORIZONTAL_PADDING+flip.x-horizontalSpread-leftShadowWidth,0);TT.pageflip.dirtyRegion.inflate(TT.PAGE_WIDTH+TT.pageflip.CANVAS_HORIZONTAL_PADDING+flip.x+rightShadowWidth,TT.pageflip.CANVAS_HEIGHT);};TT.pageflip.renderHardFlip=function(flip){var mouse=TT.pageflip.mouse;var skew=TT.pageflip.skew;var cvs=TT.pageflip.canvas[0];var ctx=TT.pageflip.context;var currentPage=flip.currentPage;if(flip.direction===-1){currentPage=flip.targetPage;}if(TT.pageflip.dragging){mouse.x=Math.max(Math.min(mouse.x,TT.PAGE_WIDTH),-TT.PAGE_WIDTH);mouse.y=Math.max(Math.min(mouse.y,TT.PAGE_HEIGHT),0);flip.target=mouse.x/TT.PAGE_WIDTH;flip.progress+=(flip.target-flip.progress)*0.4;}else{if(Math.abs(flip.target)===1){flip.progress+=Math.max(0.5*(1-Math.abs(flip.progress)),0.02)*(flip.target<flip.progress?-1:1);flip.progress=Math.max(Math.min(flip.progress,1),-1);}else{flip.progress+=(flip.target-flip.progress)*0.4;}if(flip.progress===1||flip.progress===-1){flip.progress=flip.target;flip.x=TT.PAGE_WIDTH*flip.progress;if(TT.navigation.isCreditsPage()){currentPage.width(flip.x);}if(flip.target==1||flip.target==-1){flip.consumed=true;TT.pageflip.completeCurrentTurn();}}}if(TT.navigation.isHomePage()){if(flip.progress>0.99){$("#front-cover-bookmark").stop(true,true).fadeIn(300);$("#front-cover").show();}else{$("#front-cover").hide();if(flip.progress<0.99){$("#front-cover-bookmark").fadeOut(250,function(){$(this).hide();});}}if(flip.progress>0){TT.pageflip.texture=TT.pageflip.textures.front;$("#left-page").width(0).hide();}else{TT.pageflip.texture=TT.pageflip.textures.left;if(flip.progress<-0.99){$("#left-page").show().width(TT.BOOK_WIDTH_CLOSED);}else{$("#left-page").width(0).hide();$("#right-page").show();}}$("#page-shadow-overlay").stop(true,true).fadeTo(0.1,flip.progress*0.3);}else{if(TT.navigation.isCreditsPage()||TT.navigation.isLastPage()){if(flip.progress<-0.998){if(TT.navigation.isCreditsPage()){$("#back-cover").show();}else{$("#left-page").show().width(TT.BOOK_WIDTH_CLOSED);}}else{$("#back-cover").hide();$("body").addClass("credits");}if(flip.progress>0){TT.pageflip.texture=TT.pageflip.textures.right;if(flip.progress>0.996){$("#right-page").show();$("body").removeClass("credits");}else{$("#right-page").hide();}}else{TT.pageflip.texture=TT.pageflip.textures.back;}}else{$("#right-page").show();$("#left-page").show().width(TT.BOOK_WIDTH_CLOSED);}}if(flip.target==-1&&flip.progress<-0.95){flip.alpha=1-((Math.abs(flip.progress)-0.95)/0.05);}flip.x=TT.PAGE_WIDTH*flip.progress;flip.strength=1-(flip.x/TT.PAGE_WIDTH);var centralizedFoldStrength=flip.strength>1?2-flip.strength:flip.strength;if(TT.navigation.isCreditsPage()||TT.navigation.isLastPage()){currentPage.css({width:Math.max(flip.x,0)});}ctx.save();ctx.translate(TT.pageflip.CANVAS_HORIZONTAL_PADDING+TT.BOOK_WIDTH_CLOSED,TT.pageflip.CANVAS_VERTICAL_PADDING);var scaleX=flip.progress;var scaleY=0;var scaleYFactor=0.35;var scaleYFinal=1+(1*scaleYFactor)*centralizedFoldStrength;var width=TT.BOOK_WIDTH_CLOSED;var height=TT.BOOK_HEIGHT;var segments=Math.round(40+(30*(0.9999-((TT.BOOK_WIDTH_CLOSED*scaleX))/TT.BOOK_WIDTH_CLOSED)));segments=Math.min(width,segments);var segmentWidth=width/segments;var thickness=10*centralizedFoldStrength;var hoffset=flip.progress<=0.05?1+(1-(Math.max(flip.progress,0)/0.05))*-thickness:-1;var voffset={left:Math.abs(Math.min(flip.progress,0))*2,right:flip.progress*2};if(Math.abs(scaleX)<0.99){var ext=((height-(height*scaleYFinal))/2);ctx.fillStyle=SERVER_VARIABLES.SOLID_BOOK_COLOR;ctx.beginPath();ctx.moveTo(0,-0.5);ctx.lineTo((width*scaleX)-(2*scaleX),ext-0.5);ctx.lineTo((width*scaleX)+(thickness+hoffset),ext+voffset.right);ctx.lineTo((width*scaleX)+(thickness+hoffset),ext+(height*scaleYFinal)-voffset.right);ctx.lineTo((width*scaleX)-(2*scaleX),ext+(height*scaleYFinal)+0.5);ctx.lineTo(0,height+0.5);ctx.closePath();ctx.fill();}for(var i=0;i<segments;i++){scaleY=1+(i/segments)*scaleYFactor*centralizedFoldStrength;var y=(height-(height*scaleY))/2;var sw=i>=segments-1?segmentWidth:segmentWidth+3;ctx.save();ctx.translate(0,y);ctx.transform(scaleX,0,0,scaleY,0,0);while((i*segmentWidth)+sw>TT.BOOK_WIDTH_CLOSED){sw*=0.9999;}ctx.drawImage(TT.pageflip.texture,i*segmentWidth,0,sw,height,i*segmentWidth,0,sw,height);ctx.restore();}var intensity=Math.max(Math.abs(centralizedFoldStrength),0.9);var ps={top:{x:(width*scaleX)+hoffset,y:(height-(height*scaleY))/2},bottom:{x:(width*scaleX)+hoffset,y:((height-(height*scaleY))/2)+height*scaleY}};ctx.fillStyle=SERVER_VARIABLES.SOLID_BOOK_COLOR;ctx.beginPath();ctx.moveTo(ps.top.x,ps.top.y+voffset.left);ctx.lineTo(ps.top.x+thickness,ps.top.y+voffset.right);ctx.lineTo(ps.bottom.x+thickness,ps.bottom.y-voffset.right);ctx.lineTo(ps.bottom.x,ps.bottom.y-voffset.left);ctx.closePath();ctx.fill();TT.pageflip.dirtyRegion.inflate(TT.PAGE_WIDTH+TT.pageflip.CANVAS_HORIZONTAL_PADDING+TT.PAGE_MARGIN_X-thickness,ps.top.y+TT.pageflip.CANVAS_VERTICAL_PADDING);TT.pageflip.dirtyRegion.inflate(TT.PAGE_WIDTH+TT.pageflip.CANVAS_HORIZONTAL_PADDING+(width*scaleX)+thickness,ps.bottom.y+TT.pageflip.CANVAS_VERTICAL_PADDING);ctx.restore();};TT.pageflip.removeInactiveFlips=function(){var activeFlips=0;for(var i=0;i<TT.pageflip.flips.length;i++){var flip=TT.pageflip.flips[i];if(flip.progress===flip.target&&(flip.target===1||flip.target===-1)){TT.pageflip.flips.splice(i,1);i--;}else{activeFlips++;}}if(activeFlips==0){TT.pageflip.deactivate();}};TT.pageflip.removeHardFlips=function(){for(var i=0;i<TT.pageflip.flips.length;i++){var flip=TT.pageflip.flips[i];if(flip.type==TT.pageflip.HARD_FLIP){TT.pageflip.flips.splice(i,1);i--;}}};TT.pageflip.turnToPage=function(currentPage,targetPage,direction,type){if(type==TT.pageflip.HARD_FLIP&&!TT.pageflip.dragging){TT.pageflip.removeHardFlips();}var flip=TT.pageflip.getCurrentFlip();if(flip.consumed){flip=TT.pageflip.createFlip();}TT.pageflip.dragging=false;TT.pageflip.turning=true;TT.pageflip.hinting=false;flip.currentPage=currentPage;flip.targetPage=targetPage;flip.direction=direction;flip.alpha=1;flip.consumed=true;flip.type=type||TT.pageflip.SOFT_FLIP;flip.target=-1;if(direction===-1){flip.target=1;flip.progress=-1;}if(TT.navigation.isFullScreen()){flip.progress=flip.target*0.95;}TT.pageflip.activate();TT.pageflip.redraw();};TT.pageflip.completeCurrentTurn=function(){if(TT.pageflip.turning){TT.pageflip.turning=false;var flip=TT.pageflip.flips[TT.pageflip.flips.length-1];if(flip){TT.navigation.updateCurrentPointer(flip.currentPage,flip.targetPage);}}};TT.pageflip.getCurrentFlip=function(){if(TT.pageflip.flips.length==0){TT.pageflip.createFlip();}return TT.pageflip.flips[TT.pageflip.flips.length-1];};TT.pageflip.createFlip=function(){if(TT.pageflip.flips.length>3){TT.pageflip.flips=TT.pageflip.flips.splice(4,99);}var flip=new TT.pageflip.Flip();TT.pageflip.flips.push(flip);return flip;};TT.pageflip.getHintRegion=function(){var region=new Region();if(TT.navigation.isHomePage()||TT.navigation.isLastPage()||TT.navigation.isCreditsPage()){region.left=TT.BOOK_WIDTH_CLOSED-(TT.IS_TOUCH_DEVICE?TT.pageflip.HINT_WIDTH_TOUCH:TT.pageflip.HINT_WIDTH);region.right=TT.BOOK_WIDTH_CLOSED;}else{region.left=TT.PAGE_WIDTH-(TT.IS_TOUCH_DEVICE?TT.pageflip.HINT_WIDTH_TOUCH:TT.pageflip.HINT_WIDTH);region.right=TT.PAGE_WIDTH;}region.top=0;region.bottom=TT.PAGE_HEIGHT;return region;};TT.pageflip.isMouseInHintRegion=function(){return TT.pageflip.getHintRegion().contains(TT.pageflip.mouse.x,TT.pageflip.mouse.y);};TT.pageflip.onKeyPress=function(event){if(!TT.search.hasFocus){var hasPassedLockdown=TT.time()-TT.pageflip.lastKeyboardNavigationTime>1000;if(event.keyCode==37&&(TT.pageflip.lastKeyboardNavigationDirection===-1||hasPassedLockdown)){TT.navigation.goToPreviousPage();TT.pageflip.lastKeyboardNavigationDirection=-1;TT.pageflip.lastKeyboardNavigationTime=TT.time();event.preventDefault();return false;}else{if(event.keyCode==39&&(TT.pageflip.lastKeyboardNavigationDirection===1||hasPassedLockdown)){TT.navigation.goToNextPage();TT.pageflip.lastKeyboardNavigationDirection=1;TT.pageflip.lastKeyboardNavigationTime=TT.time();event.preventDefault();return false;}else{if(event.keyCode==27){TT.fullscreen.exit();event.preventDefault();return false;}}}}};TT.pageflip.handlePointerDown=function(){if(TT.pageflip.isMouseInHintRegion()){$("body").css("cursor","pointer");if(TT.time()-TT.pageflip.mouseDownTime>TT.pageflip.CLICK_FREQUENCY){TT.pageflip.dragging=true;}TT.pageflip.mouseDownTime=TT.time();TT.pageflip.activate();}};TT.pageflip.handlePointerMove=function(){var hinting=TT.pageflip.hinting;TT.pageflip.hinting=false;$("body").css("cursor","");if(!TT.pageflip.dragging&&!TT.pageflip.turning&&(!TT.navigation.isCreditsPage()||(TT.navigation.isCreditsPage()&&TT.navigation.isBookOpen()))){var flip=TT.pageflip.getCurrentFlip();if(flip.progress<0){flip=TT.pageflip.createFlip();}var isHardCover=(TT.navigation.isHomePage()||TT.navigation.isLastPage()||(TT.navigation.isCreditsPage()&&TT.navigation.isBookOpen()));flip.type=isHardCover?TT.pageflip.HARD_FLIP:TT.pageflip.SOFT_FLIP;if(TT.pageflip.isMouseInHintRegion()){if(TT.pageflip.mouseHistory[4]){var distanceX=TT.pageflip.mouse.x-(TT.pageflip.mouseHistory[4].x||0);var distanceY=TT.pageflip.mouse.y-(TT.pageflip.mouseHistory[4].y||0);var distanceTravelled=Math.sqrt(distanceX*distanceX+distanceY*distanceY);}else{var distanceTravelled=0;}if(!TT.navigation.isHomePage()||distanceTravelled<100){flip.target=Math.min(TT.pageflip.mouse.x/TT.PAGE_WIDTH,0.98);$("body").css("cursor","pointer");TT.pageflip.activate();TT.pageflip.hinting=true;if(TT.navigation.isHomePage()){flip.target=Math.min(TT.pageflip.mouse.x/TT.PAGE_WIDTH,0.95);$("#pages section.current").show().width(TT.PAGE_WIDTH);}else{$("#pages section.current").next("section").show().width(TT.PAGE_WIDTH);}}}else{if(flip.progress!==1&&flip.target!==-1){if(TT.pageflip.hinting==true){$("#pages section.current").next("section").width(0);}flip.target=1;TT.pageflip.activate();TT.pageflip.hinting=false;}}}else{if(TT.pageflip.dragging){if(TT.pageflip.getCurrentFlip().type!=TT.pageflip.HARD_FLIP){TT.pageflip.getCurrentFlip().alpha=1;}}}while(TT.pageflip.mouseHistory.length>9){TT.pageflip.mouseHistory.pop();}TT.pageflip.mouseHistory.unshift(TT.pageflip.mouse);};TT.pageflip.handlePointerUp=function(){if(TT.time()-TT.pageflip.mouseDownTime<TT.pageflip.CLICK_FREQUENCY){TT.navigation.goToNextPage();TT.pageflip.dragging=false;return false;}if(TT.pageflip.dragging&&TT.pageflip.mouse.x<TT.PAGE_WIDTH*0.45){var succeeded=TT.navigation.goToNextPage();if(succeeded==false){TT.pageflip.dragging=false;}}else{TT.pageflip.dragging=false;TT.pageflip.handlePointerMove();}};TT.pageflip.onMouseDown=function(event){TT.pageflip.mouse.down=true;TT.pageflip.updateRelativeMousePosition(event.clientX,event.clientY);TT.pageflip.handlePointerDown();if(TT.pageflip.isMouseInHintRegion()){event.preventDefault();return false;}};TT.pageflip.onMouseMove=function(event){TT.pageflip.updateRelativeMousePosition(event.clientX,event.clientY);TT.pageflip.handlePointerMove();};TT.pageflip.onMouseUp=function(event){TT.pageflip.mouse.down=false;TT.pageflip.updateRelativeMousePosition(event.clientX,event.clientY);TT.pageflip.handlePointerUp();};TT.pageflip.onTouchStart=function(event){if(event.touches.length==1){var globalX=event.touches[0].pageX-(window.innerWidth-TT.PAGE_WIDTH)*0.5;var globalY=event.touches[0].pageY-(window.innerHeight-TT.PAGE_HEIGHT)*0.5;TT.pageflip.updateRelativeMousePosition(globalX,globalY);TT.pageflip.mouse.down=true;if(TT.pageflip.isMouseInHintRegion()){event.preventDefault();TT.pageflip.handlePointerDown();}}};TT.pageflip.onTouchMove=function(event){if(event.touches.length==1){var globalX=event.touches[0].pageX-(window.innerWidth-TT.PAGE_WIDTH)*0.5;var globalY=event.touches[0].pageY-(window.innerHeight-TT.PAGE_HEIGHT)*0.5;TT.pageflip.updateRelativeMousePosition(globalX,globalY);if(TT.pageflip.isMouseInHintRegion()){event.preventDefault();TT.pageflip.handlePointerMove();}}};TT.pageflip.onTouchEnd=function(event){TT.pageflip.mouse.down=false;TT.pageflip.handlePointerUp();};TT.pageflip.getRelativeMousePosition=function(globalX,globalY){var point={x:globalX,y:globalY};point.x-=$("#pages").offset().left+TT.PAGE_WIDTH;point.y-=$("#pages").offset().top;return point;};TT.pageflip.updateRelativeMousePosition=function(globalX,globalY){var point=TT.pageflip.getRelativeMousePosition(globalX,globalY);TT.pageflip.mouse.x=point.x;TT.pageflip.mouse.y=point.y;};TT.pageflip.Flip=function(){this.id=Math.round(Math.random()*1000);this.currentPage=$("#pages section.current");this.targetPage=$("#pages section.current");this.direction=-1;this.progress=1;this.target=1;this.strength=0;this.alpha=1;this.type=TT.pageflip.SOFT_FLIP;this.x=0;this.consumed=false;};function Region(){this.left=999999;this.top=999999;this.right=0;this.bottom=0;}Region.prototype.reset=function(){this.left=999999;this.top=999999;this.right=0;this.bottom=0;};Region.prototype.inflate=function(x,y){this.left=Math.min(this.left,x);this.top=Math.min(this.top,y);this.right=Math.max(this.right,x);this.bottom=Math.max(this.bottom,y);};Region.prototype.contains=function(x,y){return x>this.left&&x<this.right&&y>this.top&&y<this.bottom;};Region.prototype.toRectangle=function(padding){padding|=0;return{x:this.left-padding,y:this.top-padding,width:this.right-this.left+(padding*2),height:this.bottom-this.top+(padding*2)};};TT.paperstack={};TT.paperstack.container=null;TT.paperstack.initialize=function(){TT.paperstack.container=$("#paperstack");};TT.paperstack.updateStack=function(overrideProgress){var availablePapers=$("div.paper",TT.paperstack.container).length;var visiblePapers=Math.round(((1-(overrideProgress?overrideProgress:TT.chapternav.getProgress()))*availablePapers));if(visiblePapers!=0){$(".paper:lt("+visiblePapers+")",TT.paperstack.container).css({opacity:1});$(".paper:gt("+visiblePapers+")",TT.paperstack.container).css({opacity:0});$(".shadow",TT.paperstack.container).css({opacity:1});}else{$(".paper",TT.paperstack.container).css({opacity:0});$(".shadow",TT.paperstack.container).css({opacity:0});}$(".shadow",TT.paperstack.container).css({marginLeft:-9+visiblePapers});};TT.illustrations={};TT.illustrations.FRAME_RATE=30;TT.illustrations.ASSETS_URL="/media/illustrations/";TT.illustrations.interval=-1;TT.illustrations.update=function(currentPage){TT.illustrations.deactivate();if(currentPage&&!TT.navigation.isHomePage()&&!TT.navigation.isFullScreen()){TT.log("Activate animation: "+currentPage.attr("class"));if(currentPage.hasClass("title-html")&¤tPage.hasClass("page-3")){TT.illustrations.html.activate($("div.image1",currentPage));}else{if(currentPage.hasClass("title-foreword")&¤tPage.hasClass("page-1")){TT.illustrations.cloud.activate($("div.image1",currentPage));}else{if(currentPage.hasClass("title-open-source")&¤tPage.hasClass("page-1")){TT.illustrations.opensource.activate($("div.image1",currentPage));}else{if(currentPage.hasClass("title-what-is-the-internet")&¤tPage.hasClass("page-1")){TT.illustrations.internet.activate($("div.image1",currentPage));}else{if(currentPage.hasClass("title-page-load")&¤tPage.hasClass("page-1")){TT.illustrations.pageload.activate($("div.image1",currentPage));}else{if(currentPage.hasClass("title-web-apps")&¤tPage.hasClass("page-1")){TT.illustrations.webapps.activate($("div.image1",currentPage));}else{if(currentPage.hasClass("title-threed")&¤tPage.hasClass("page-1")){TT.illustrations.threed.activate($("div.image1",currentPage));}}}}}}}}};TT.illustrations.deactivate=function(){clearInterval(TT.illustrations.interval);};TT.illustrations.createCanvas=function(parent,world){var canvas=$("<canvas></canvas>");canvas[0].width=world.width;canvas[0].height=world.height;parent.append(canvas);TT.illustrations.updateCanvasPosition(parent,world);return canvas;};TT.illustrations.updateCanvasPosition=function(parent,world){var canvas=$("canvas",parent);canvas.css({position:"absolute",left:$("img",parent).position().left+world.x,top:$("img",parent).position().top+world.y});return $("img",parent).width()!==0||$("img",parent).height()!==0;};TT.illustrations.threed={canvas:null,context:null,container:null,image:null,cloudImage:null,clouds:[],alpha:0,world:{x:0,y:0,width:320,height:150},positioned:false,initialize:function(container){if(this.canvas===null){this.container=container;this.image=$("img",container);this.canvas=TT.illustrations.createCanvas(container,this.world);this.context=this.canvas[0].getContext("2d");this.cloudImage=new Image();this.cloudImage.src=TT.illustrations.ASSETS_URL+"3d01_clouds.png";this.clouds.push({source:{x:0,y:0,width:63,height:35},x:44,y:16,originalX:44,originalY:16,velocity:{x:0,y:0}});this.clouds.push({source:{x:0,y:36,width:70,height:40},x:147,y:10,originalX:147,originalY:10,velocity:{x:0,y:0}});this.clouds.push({source:{x:0,y:78,width:84,height:50},x:213,y:48,originalX:212,originalY:48,velocity:{x:0,y:0}});}else{this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}},activate:function(container){this.initialize(container);TT.illustrations.interval=setInterval(this.render,1000/TT.illustrations.FRAME_RATE);},render:function(){TT.illustrations.threed.draw();},draw:function(){if(!this.positioned){this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}this.context.clearRect(0,0,this.world.width,this.world.height);if(this.cloudImage.complete){this.alpha=Math.min(this.alpha+0.1,1);this.context.globalAlpha=this.alpha;for(var i=0;i<this.clouds.length;i++){var cloud=this.clouds[i];cloud.x+=cloud.velocity.x;cloud.y+=cloud.velocity.y;cloud.velocity.x*=0.96;cloud.velocity.y*=0.96;var speed=0.3;if(Math.abs(cloud.velocity.x)<0.01){if(cloud.x>cloud.originalX){cloud.velocity.x-=0.05+Math.random()*speed;}else{cloud.velocity.x+=0.05+Math.random()*speed;}}if(Math.abs(cloud.velocity.y)<0.01){if(cloud.y>cloud.originalY){cloud.velocity.y-=0.01+Math.random()*speed;}else{cloud.velocity.y+=0.01+Math.random()*speed;}}this.context.save();this.context.translate(cloud.x,cloud.y);this.context.drawImage(this.cloudImage,cloud.source.x,cloud.source.y,cloud.source.width,cloud.source.height,0,0,cloud.source.width,cloud.source.height);this.context.restore();}}}};TT.illustrations.webapps={GRAVITY:0.04,canvas:null,context:null,container:null,image:null,leaves:[],points:[{x:86,y:100},{x:35,y:88},{x:168,y:35},{x:250,y:15}],world:{x:20,y:30,width:300,height:260},positioned:false,initialize:function(container){if(this.canvas===null){this.container=container;this.image=$("img",container);this.canvas=TT.illustrations.createCanvas(container,this.world);this.context=this.canvas[0].getContext("2d");}else{this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}},activate:function(container){this.initialize(container);TT.illustrations.interval=setInterval(this.render,1000/TT.illustrations.FRAME_RATE);},render:function(){TT.illustrations.webapps.draw();},draw:function(){if(!this.positioned){this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}this.context.clearRect(0,0,this.world.width,this.world.height);if(this.leaves.length<4&&Math.random()>0.9){var point=this.points[Math.floor(Math.random()*this.points.length)];this.leaves.push({x:point.x,y:point.y,w:18+(Math.random()*8),h:6+(Math.random()*4),alpha:0,rotation:Math.random()*Math.PI,velocity:{x:-0.2+(Math.random()*0.4),y:Math.random()*2,rotation:-0.1+(Math.random()*0.2)}});}for(var i=0;i<this.leaves.length;i++){var leaf=this.leaves[i];leaf.velocity.y+=this.GRAVITY;if(leaf.y>this.world.height+20){this.leaves.splice(i,1);i--;continue;}leaf.x+=leaf.velocity.x;leaf.y+=leaf.velocity.y;leaf.rotation+=leaf.velocity.rotation;leaf.alpha=Math.min(leaf.alpha+0.1,1);this.context.save();var b=3;this.context.globalAlpha=leaf.alpha;this.context.beginPath();this.context.translate(leaf.x,leaf.y);this.context.rotate(leaf.rotation);this.context.strokeStyle="rgba(0,100,20,0.7)";this.context.fillStyle="rgba(159,192,94,0.9)";this.context.moveTo(0,leaf.h/2);this.context.quadraticCurveTo(leaf.w/2,-b,leaf.w,leaf.h/2);this.context.quadraticCurveTo(leaf.w/2,leaf.h+b,0,leaf.h/2);this.context.stroke();this.context.fill();this.context.restore();}var mask=this.context.createLinearGradient(0,0,0,this.world.height);mask.addColorStop(0.7,"rgba(255, 255, 255, 0)");mask.addColorStop(1,"rgba(255, 255, 255, 1)");this.context.save();this.context.globalCompositeOperation="destination-out";this.context.beginPath();this.context.fillStyle=mask;this.context.fillRect(0,0,this.world.width,this.world.height);this.context.restore();}};TT.illustrations.pageload={GRAVITY:0.04,canvas:null,context:null,container:null,image:null,bubbles:[],world:{x:10,y:100,width:220,height:100},positioned:false,initialize:function(container){if(this.canvas===null){this.container=container;this.image=$("img",container);this.canvas=TT.illustrations.createCanvas(container,this.world);this.context=this.canvas[0].getContext("2d");}else{this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}},activate:function(container){this.initialize(container);TT.illustrations.interval=setInterval(this.render,1000/TT.illustrations.FRAME_RATE);},render:function(){TT.illustrations.pageload.draw();},draw:function(){if(!this.positioned){this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}this.context.clearRect(0,0,this.world.width,this.world.height);if(this.bubbles.length<7&&Math.random()>0.85){this.bubbles.push({x:Math.random()*this.world.width,y:this.world.height+10,alpha:0,size:1+Math.random()*3,velocity:{x:-0.4+(Math.random()*0.8),y:Math.random()*-2}});}for(var i=0;i<this.bubbles.length;i++){var bubble=this.bubbles[i];bubble.velocity.y-=this.GRAVITY;if(bubble.y<-10){this.bubbles.splice(i,1);i--;continue;}else{if(bubble.y<this.world.height*0.3){bubble.alpha=Math.max(bubble.y/(this.world.height*0.3),0);}else{if(bubble.y>this.world.height*0.7){bubble.alpha=1-Math.min((bubble.y-this.world.height*0.7)/(this.world.height*0.3),1);}}}bubble.x+=bubble.velocity.x;bubble.y+=bubble.velocity.y;this.context.beginPath();this.context.strokeStyle="rgba( 0, 0, 0, "+(bubble.alpha*0.3)+" )";this.context.fillStyle="rgba( 0, 180, 250, "+(bubble.alpha*0.7)+" )";this.context.arc(bubble.x,bubble.y,bubble.size,0,Math.PI*2,true);this.context.stroke();}var mask=this.context.createLinearGradient(0,0,-25,this.world.height);mask.addColorStop(0,"rgba(255, 255, 255, 1)");mask.addColorStop(0.6,"rgba(255, 255, 255, 0)");this.context.save();this.context.globalCompositeOperation="destination-out";this.context.beginPath();this.context.fillStyle=mask;this.context.fillRect(0,0,this.world.width,this.world.height);this.context.restore();}};TT.illustrations.internet={GRAVITY:0.04,canvas:null,context:null,container:null,image:null,zero:null,one:null,numbers:[],positioned:false,world:{x:345,y:115,width:120,height:80},initialize:function(container){if(this.canvas===null){this.container=container;this.image=$("img",container);this.canvas=TT.illustrations.createCanvas(container,this.world);this.context=this.canvas[0].getContext("2d");this.zero=new Image();this.zero.src=TT.illustrations.ASSETS_URL+"internet01-part1.png";this.one=new Image();this.one.src=TT.illustrations.ASSETS_URL+"internet01-part2.png";}else{this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}},activate:function(container){this.initialize(container);TT.illustrations.interval=setInterval(this.render,1000/TT.illustrations.FRAME_RATE);},render:function(){TT.illustrations.internet.draw();},draw:function(){if(!this.positioned){this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}this.context.clearRect(0,0,this.world.width,this.world.height);if(this.zero.complete&&this.one.complete){if(this.numbers.length<20&&Math.random()>0.6){this.numbers.push({type:Math.random()>0.5?1:0,x:5,y:0,alpha:0,rotation:Math.random()*Math.PI,velocity:{x:0.4+(Math.random()*1.6),y:Math.random()*2,rotation:-0.1+(Math.random()*0.2)}});}for(var i=0;i<this.numbers.length;i++){var number=this.numbers[i];var image=number.type==0?this.zero:this.one;number.velocity.y+=this.GRAVITY;if(number.y>this.world.height+image.height){this.numbers.splice(i,1);i--;continue;}else{}if(number.y<this.world.height*0.1){number.alpha=Math.min(number.y/(this.world.height*0.1),1);}else{}if(number.y>this.world.height*0.6){number.alpha=1-Math.min((number.y-this.world.height*0.5)/(this.world.height*0.3),1);}number.x+=number.velocity.x;number.y+=number.velocity.y;number.rotation+=number.velocity.rotation;this.context.save();this.context.globalAlpha=number.alpha;this.context.translate(number.x+Math.round(image.width*0.5),number.y+Math.round(image.height*0.5));this.context.rotate(number.rotation);this.context.translate(-Math.round(image.width*0.5),-Math.round(image.height*0.5));this.context.drawImage(image,0,0);this.context.restore();}}}};TT.illustrations.opensource={canvas:null,context:null,container:null,image:null,cog1:{image:null,x:57,y:14,currentRotation:0,targetRotation:0,lastUpdate:0},cog2:{image:null,x:28,y:38,currentRotation:0,targetRotation:0,lastUpdate:0},alpha:0,world:{x:90,y:37,width:100,height:100},positioned:false,initialize:function(container){if(this.canvas===null){this.container=container;this.image=$("img",container);this.canvas=TT.illustrations.createCanvas(container,this.world);this.context=this.canvas[0].getContext("2d");this.cog1.image=new Image();this.cog1.image.src=TT.illustrations.ASSETS_URL+"opensource01-part1.png";this.cog2.image=new Image();this.cog2.image.src=TT.illustrations.ASSETS_URL+"opensource01-part2.png";}else{this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}},activate:function(container){this.initialize(container);this.cog1.lastUpdate=TT.time();this.cog2.lastUpdate=TT.time();TT.illustrations.interval=setInterval(this.render,1000/TT.illustrations.FRAME_RATE);},render:function(){TT.illustrations.opensource.draw();},draw:function(){this.context.clearRect(0,0,this.world.width,this.world.height);if(!this.positioned){this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}if(this.cog1.image.complete&&this.cog2.image.complete){this.alpha=Math.min(this.alpha+0.08,1);if(this.cog1.currentRotation>this.cog1.targetRotation-1&&TT.time()-this.cog1.lastUpdate>2000){this.cog1.targetRotation+=Math.PI/3;this.cog1.lastUpdate=TT.time();}if(this.cog2.currentRotation>this.cog2.targetRotation-1&&TT.time()-this.cog2.lastUpdate>6000){this.cog2.targetRotation+=Math.PI/9;this.cog2.lastUpdate=TT.time();}this.cog1.currentRotation+=(this.cog1.targetRotation-this.cog1.currentRotation)*0.5;this.cog2.currentRotation+=(this.cog2.targetRotation-this.cog2.currentRotation)*0.4;if(Math.abs(this.cog1.currentRotation-this.cog1.targetRotation)<0.05){this.cog1.currentRotation=this.cog1.targetRotation;}if(Math.abs(this.cog2.currentRotation-this.cog2.targetRotation)<0.05){this.cog2.currentRotation=this.cog2.targetRotation;}this.context.save();this.context.globalAlpha=this.alpha;this.context.save();this.context.translate(this.cog1.x+Math.round(this.cog1.image.width*0.5),this.cog1.y+Math.round(this.cog1.image.height*0.5));this.context.rotate(this.cog1.currentRotation);this.context.translate(-Math.round(this.cog1.image.width*0.5),-Math.round(this.cog1.image.height*0.5));this.context.drawImage(this.cog1.image,0,0);this.context.restore();this.context.save();this.context.translate(this.cog2.x+Math.round(this.cog2.image.width*0.5),this.cog2.y+Math.round(this.cog2.image.height*0.5));this.context.rotate(this.cog2.currentRotation);this.context.translate(-Math.round(this.cog2.image.width*0.5),-Math.round(this.cog2.image.height*0.5));this.context.drawImage(this.cog2.image,0,0);this.context.restore();this.context.restore();}}};TT.illustrations.cloud={canvas:null,context:null,container:null,image:null,cloutImage:null,world:{x:0,y:0,width:240,height:200},positioned:false,clouds:[{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8},{x:Math.random()*240,y:Math.random()*200,strength:1,velocity:{x:0,y:0},size:8+Math.random()*8}],initialize:function(container){if(this.canvas===null){this.container=container;this.image=$("img",container);this.canvas=TT.illustrations.createCanvas(container,this.world);this.context=this.canvas[0].getContext("2d");this.cloudImage=new Image();this.cloudImage.src=TT.illustrations.ASSETS_URL+"3d01_clouds.png";}else{this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}},activate:function(container){this.initialize(container);TT.illustrations.interval=setInterval(this.render,1000/TT.illustrations.FRAME_RATE);},render:function(){TT.illustrations.cloud.draw();},draw:function(){if(!this.positioned){this.positioned=TT.illustrations.updateCanvasPosition(this.container,this.world);}this.context.clearRect(0,0,this.world.width,this.world.height);if(this.image[0].complete){this.context.drawImage(this.image[0],0,0);}var speed=3;for(var i=0,len=this.clouds.length;i<len;i++){var cloud=this.clouds[i];cloud.velocity.x/=1.04;cloud.velocity.y/=1.04;if(Math.abs(cloud.velocity.x)<0.2){if(cloud.x>this.world.width/2){cloud.velocity.x-=0.7+Math.random()*speed;}else{cloud.velocity.x+=0.7+Math.random()*speed;}}if(Math.abs(cloud.velocity.y)<0.2){if(cloud.y>this.world.height/2){cloud.velocity.y-=0.5+Math.random()*speed;}else{cloud.velocity.y+=0.5+Math.random()*speed;}}cloud.x+=cloud.velocity.x;cloud.y+=cloud.velocity.y;cloud.strength=Math.max(Math.min(cloud.strength,1),0);var gradient=this.context.createRadialGradient(cloud.x,cloud.y,0,cloud.x,cloud.y,cloud.size);this.context.save();var browser=BrowserDetect.browser.toLowerCase();if(browser=="firefox"){gradient.addColorStop(0.4,"rgba(255,255,255,"+(cloud.strength*0.7)+")");gradient.addColorStop(1,"rgba(255,255,255,0)");}else{gradient.addColorStop(0.4,"rgba(90,170,190,"+(cloud.strength)+")");gradient.addColorStop(1,"rgba(90,170,190,0)");this.context.globalCompositeOperation="source-in";}this.context.beginPath();this.context.fillStyle=gradient;this.context.arc(cloud.x,cloud.y,cloud.size,0,Math.PI*2,true);this.context.fill();this.context.restore();}}};TT.illustrations.html={canvas:null,context:null,container:null,image:null,world:{x:100,y:-15,width:150,height:200},bulbs:[{x:27,y:22,strength:0,momentum:0,size:10},{x:62,y:30,strength:0,momentum:0,size:10},{x:90,y:39,strength:0,momentum:0,size:10},{x:117,y:48,strength:0,momentum:0,size:10},{x:22,y:59,strength:0,momentum:0,size:10},{x:23,y:89,strength:0,momentum:0,size:10},{x:24,y:115,strength:0,momentum:0,size:10},{x:25,y:139,strength:0,momentum:0,size:10},{x:124,y:87,strength:0,momentum:0,size:10},{x:124,y:116,strength:0,momentum:0,size:10},{x:124,y:144,strength:0,momentum:0,size:10},{x:124,y:178,strength:0,momentum:0,size:10}],initialize:function(container){if(this.canvas===null){this.container=container;this.image=$("img",container);this.canvas=TT.illustrations.createCanvas(container,this.world);this.context=this.canvas[0].getContext("2d");}else{TT.illustrations.updateCanvasPosition(this.container,this.world);}},activate:function(container){this.initialize(container);TT.illustrations.interval=setInterval(this.render,1000/TT.illustrations.FRAME_RATE);},render:function(){TT.illustrations.html.draw();},draw:function(){this.context.clearRect(0,0,this.world.width,this.world.height);for(var i=0,len=this.bulbs.length;i<len;i++){var bulb=this.bulbs[i];if(bulb.strength<0.1&&bulb.momentum<=0&&Math.random()>0.98){bulb.momentum=Math.random()*0.3;}else{if(bulb.strength>=1&&Math.random()>0.98){bulb.momentum=-Math.random()*0.3;}}bulb.strength+=bulb.momentum;bulb.strength=Math.max(Math.min(bulb.strength,1),0);var gradient=this.context.createRadialGradient(bulb.x,bulb.y,0,bulb.x,bulb.y,bulb.size);gradient.addColorStop(0.4,"rgba(255,255,100,"+(bulb.strength*0.95)+")");gradient.addColorStop(1,"rgba(255,255,100,0)");this.context.beginPath();this.context.fillStyle=gradient;this.context.arc(bulb.x,bulb.y,bulb.size,0,Math.PI*2,true);this.context.fill();}}};TT.navigation={};TT.navigation.transitioningFromHardCover=false;TT.navigation.hasNavigated=false;TT.navigation.currentPageName="";TT.navigation.currentThing="";TT.navigation.enqueueNavigation=null;TT.navigation.initialize=function(){$("#pages section:not(.current)").width(0).hide();TT.navigation.assignNavigationHandlers();TT.navigation.assignNextPrevHandlers();if(TT.navigation.isHomePage()){TT.flipintro.activate();}else{$("#front-cover").hide();$("#front-cover-bookmark").hide();$("#front-cover-arrow").hide();}if(!TT.navigation.isCreditsPage()){$("#back-cover").hide();}if(TT.navigation.isTableOfThings()){$("body").addClass("home").addClass("tot");}else{if(!TT.navigation.isHomePage()&&!TT.navigation.isCreditsPage()){$("body").addClass("book");}}TT.sharing.updateSharer();TT.navigation.loadImages();TT.illustrations.update($("#pages section.current"));TT.navigation.updatePageVisibility($("#pages section.current"));};TT.navigation.assignNavigationHandlers=function(){$("header a.logo").click(function(){TT.navigation.goToHome();return false;});$("header li.about a").click(function(){TT.navigation.goToPage(TT.history.FOREWORD,1);return false;});$("header li.credits a").click(function(){TT.navigation.goToCredits();return false;});$("#front-cover-bookmark a.open-book").click(function(){TT.navigation.goToNextPage();return false;});$("header li.table-of-things a").click(function(){TT.tableofthings.show();return false;});$("#table-of-contents a.go-back").click(function(){TT.tableofthings.hide();return false;});$("#front-cover-arrow").click(function(){TT.navigation.goToNextPage();return false;});$("footer .print a").click(function(){if(window.location.pathname.match("en-US")){TT.overlay.showPrint();return false;}});$("#pages section a").click(function(){var link=$(this).attr("href");if(link.indexOf("http://")==-1&&link.indexOf("www.")==-1){var article=link.split("/")[1];var page=link.split("/")[2];if(article&&page){TT.navigation.goToPage(article,page);}return false;}});};TT.navigation.assignNextPrevHandlers=function(){$("#pagination-prev").click(function(e){e.preventDefault();TT.navigation.goToPreviousPage();});$("#pagination-next").click(function(e){e.preventDefault();TT.navigation.goToNextPage();});var element='<div class="page-progress"><p class="thing"></p><p class="number">'+SERVER_VARIABLES.PAGE+" <span></span></p></div>";if(!TT.IS_TOUCH_DEVICE){$("#pagination-prev").append(element);$("#pagination-next").append(element);}};TT.navigation.isHomePage=function(){return $("body").hasClass("home");};TT.navigation.isCreditsPage=function(){return $("body").hasClass("credits");};TT.navigation.isTableOfThings=function(){return $("body").hasClass("tot");};TT.navigation.isBookOpen=function(){return $("body").hasClass("book");};TT.navigation.isFullScreen=function(){return $("body").hasClass("fullscreen");};TT.navigation.isForeword=function(target){if(!target){target=$("#pages section.current");}return TT.navigation.classToArticle(target.attr("class"))==TT.history.FOREWORD;};TT.navigation.isLastPage=function(target){if(target){return target.next("section").length==0&&!TT.navigation.isCreditsPage();}return $("#pages 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TT=TT||{};TT.locale={};TT.locale.title=null;TT.locale.list=null;TT.locale.initialize=function(){this.title=$("#language-selector-title");this.list=$("#language-selector-list");this.title.click(function(){if($(this).hasClass("open")){TT.locale.closeList();}else{TT.locale.openList();}});$("li a",this.list).attr("href","#").click(function(event){var targetLocale=$(this).parents("li").attr("data-locale");var targetURL=TT.locale.removeLocaleCodeFromURL(document.location.pathname);document.location="/"+targetLocale+targetURL;event.preventDefault();});this.title.mousedown(function(event){event.preventDefault();});};TT.locale.onDocumentMouseDown=function(event){if($(event.target).parents("#language-selector").length===0){TT.locale.closeList();}};TT.locale.openList=function(){this.title.addClass("open");this.list.addClass("open");$(document).bind("mousedown",this.onDocumentMouseDown);};TT.locale.closeList=function(){this.title.removeClass("open");this.list.removeClass("open");$(document).unbind("mousedown",this.onDocumentMouseDown);};TT.locale.getLocaleCodeFromURL=function(){var code=document.location.pathname;if(code.indexOf("fil-PH")>0){code=code.match(/\/fil-PH/gi)||"";}else{if(code.indexOf("es-419")>0){code=code.match(/\/es-419/gi)||"";}else{code=code.match(/\/(..\-..)/gi)||"";}}code=code.toString().replace(/\//gi,"");if(!code){return"en-US";}return code;};TT.locale.getLanguageFromLocaleCode=function(localeCode){var languageCode=localeCode.slice(0,localeCode.indexOf("-"));if(!languageCode){return locale;}return languageCode;};TT.locale.removeLocaleCodeFromURL=function(url){if(url.indexOf("fil-PH")>0){return url.replace(/\/fil-PH/gi,"");}else{if(url.indexOf("es-419")>0){return url.replace(/\/es-419/gi,"");}else{return url.replace(/\/(..\-..)/gi,"");}}}; |
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