スライドショー２１面白２

現実の本をめくるようにページの端をマウスでドラッグすると、ページがめくれます。
本の画像とサンプルを、L寸用(930px×400px)、M寸用(830px×346px),原本のS寸用(830px×260px)の3種類2種用意しました。
このJavaScriptの詳しい説明は、こちらのサイトでご覧下さい。
このサイトでダウンロードしたindex.htmlとmain.cssとpageflip.jsの3つのファイルを合わせて、コピペで使用できるようにしました。
book_L.png
paper_L.png
このページの
L寸画像です

右クリック
でどうぞ
◆全ソース◆
ソースの中でマウスの右クリックで『すべて選択』した後に、
再度右クリックして『コピー』
<!DOCTYPE html>
<html lang="ja">
<head>
<meta http-equiv="Content-type" content="text/html; charset=Shift_JIS">
<meta http-equiv="Content-Script-Type" content="text/javascript">
<meta http-equiv="Content-Style-Type" content="text/css">
<title>スライドショー２１面白２</title>


<!--★ここからコピー-->
<style type="text/css">
<!--
/*★main.cssを展開*/

body, h3, p{
	margin: 0;
	padding: 0;
}
body {background-color: #eeeeff;
 
color: #333333;
}


#book {
background: url("book_L.png") no-repeat;
position: absolute;
	
width: 930px;
  /*★原本830px。本の横幅*/	
height: 400px;  /*★原本260px。本の縦幅*/
	
left: 50%;
	/*★原本50%*/
top: 50%;	/*★原本50%
*/	
margin-left: -450px;
/*★原本-400px。-片ページ横幅*/	
margin-top: -195px;
/*★原本-125px。-片ページ縦幅の半分*/

}


#pages section {
 background: url("paper_L.png") no-repeat;
	
display: block;
	
width: 450px;  

/*★原本400px。片ページの横幅。(本の横幅マイナス30px)の半分*/	
height: 390px;  /*★原本250px。片ページの縦幅。本の縦幅マイナス10px*/

	
position: absolute;
	
left: 465px;
/*★原本415px。本の横幅の半分*/	
top: 5px;

/*★原本5px。マイナス10pxの半分*/	
overflow: hidden;
}
	
#pages section>div {
display: block;

width: 450px;  

/*★原本400px。片ページの横幅*/
		
height: 390px;
	/*★原本250px。片ページの縦幅。本の縦幅マイナス10px*/	
font-size: 12px;
	
}
	
#pages section p,
#pages section h3 {
padding: 10px 35px;
		
line-height: 1.4em;
		
text-align: justify;

font-size:110%;
}
	
#pages section h3{
margin: 15px 0 10px;
}


#pageflip-canvas {
position: absolute;
 z-index: 100;
}

-->
</style>
<!--★コピーここまで。bodyの中にもコピーがあります-->

</head>
<body>
<br><br>
<p>現実の本をめくるようにページの端をマウスでドラッグすると、ページがめくれます。</p>
<hr>


<!--★コピーここから。位置は<body>の中です-->
<div id="book">
			
<canvas id="pageflip-canvas"></canvas>
			
<div id="pages">
				

<!--★<section>～
</section>で１ページ分になります。増減可能-->

<section>
					
<div>
						
<h3>エリマキキツネザル</h3>
						
<p><img src="fr6.jpg"><br>
1/5</p>

</div>
				
</section>
				

<section>
					
<div>
						
<h3>紅葉</h3>
						
<p><img src="fr7.jpg"><br>
2/5</p>
</div>
				
</section>
				

<section>
					
<div>
						
<h3>シオカラトンボ</h3>
						
<p><img src="fr8.jpg"><br>
3/5</p>
</div>
				
</section>
				

<section>
					
<div>
						
<h3>宇宙船</h3>
						
<p><img src="gy1.jpg"><br>
4/5</p>
</div>
				
</section>
				

<section>
					
<div>
						
<h3>ナナホシテントウムシ</h3>
						
<p><img src="gy2.jpg"><br>
5/5</p>
</div>
				
</section>
				

</div>
		
</div>
		

<script type="text/javascript">
<!--
/*===============================================================
http://www.html5rocks.com/ja/tutorials/casestudies/20things_pageflip/
===============================================================*/
/*★pageflip.jsの展開分*/

/*★本の大きさによって、cssと下記4行の数値を変更して下さい。*/

(function() {
	
	// Dimensions of the whole book
	
var BOOK_WIDTH = 930;
	
var BOOK_HEIGHT = 400;
	
	// Dimensions of one page in the book
	
var PAGE_WIDTH = 450;
	
var PAGE_HEIGHT = 390;
	
	// Vertical spacing between the top edge of the book and the papers
	
var PAGE_Y = ( BOOK_HEIGHT - PAGE_HEIGHT ) / 2;
	
	// The canvas size equals to the book dimensions + this padding
	
var CANVAS_PADDING = 60;
	
	
var page = 0;
	
	
var canvas = document.getElementById( "pageflip-canvas" );
	
var context = canvas.getContext( "2d" );
	
	
var mouse = { x: 0, y: 0 };
	
	
var flips = [];
	
	
var book = document.getElementById( "book" );
	
	// List of all the page elements in the DOM
	
var pages = book.getElementsByTagName( "section" );
	
	// Organize the depth of our pages and create the flip definitions
	
for( var i = 0, len = pages.length; 
i < len; i++ ) {
		
pages[i].style.zIndex = len - i;
		
		flips.push( {
			// Current progress of the flip (left -1 to right +1)
			progress: 1,
			// The target value towards which progress is always moving
			target: 1,
			// The page DOM element related to this flip
			page: pages[i], 
			// True while the page is being dragged
			dragging: false
		} );
	}
	
	// Resize the canvas to match the book size
	canvas.width = BOOK_WIDTH + ( CANVAS_PADDING * 2 );
	
canvas.height = BOOK_HEIGHT + ( CANVAS_PADDING * 2 );
	
	// Offset the canvas so that it's padding is evenly spread around the book
	
canvas.style.top = -CANVAS_PADDING + "px";
	
canvas.style.left = -CANVAS_PADDING + "px";
	
	// Render the page flip 60 times a second
	
setInterval( render, 1000 / 60 );
	
	
document.addEventListener( "mousemove", mouseMoveHandler, false );
	
document.addEventListener( "mousedown", mouseDownHandler, false );
	document.addEventListener( "mouseup", mouseUpHandler, false );
	
	
function mouseMoveHandler( event ) {
		// Offset mouse position so that the top of the book spine is 0,0
		
mouse.x = event.clientX - book.offsetLeft - ( BOOK_WIDTH / 2 );
		
mouse.y = event.clientY - book.offsetTop;
	
}
	
	
function mouseDownHandler( event ) {
		// Make sure the mouse pointer is inside of the book
		
if (Math.abs(mouse.x) < PAGE_WIDTH) {
			
if (mouse.x < 0 && page - 1 >= 0) {
				// We are on the left side, drag the previous page
				
flips[page - 1].dragging = true;
			
}
			
else if (mouse.x > 0 && page + 1 < flips.length) {
				// We are on the right side, drag the current page
				
flips[page].dragging = true;
			}
		}
		
	
// Prevents the text selection
		
event.preventDefault();
	}
	
	
function mouseUpHandler( event ) {
		
for( var i = 0; i < flips.length; i++ ) {
			// If this flip was being dragged, animate to its destination
			
if( flips[i].dragging ) {
				// Figure out which page we should navigate to
				
if( mouse.x < 0 ) {
					
flips[i].target = -1;
					
page = Math.min( page + 1, flips.length );
				
}
				
else {
					
flips[i].target = 1;
					
page = Math.max( page - 1, 0 );
				
}
			}
			
			
flips[i].dragging = false;
		
}
	}
	
	
function render() {
		
		// Reset all pixels in the canvas
		
context.clearRect( 0, 0, canvas.width, canvas.height );
		
		
for( var i = 0, len = flips.length; 
i < len; i++ ) {
			
var flip = flips[i];
			
			if( flip.dragging ) {
				
flip.target = Math.max( Math.min( mouse.x / PAGE_WIDTH, 1 ), -1 );
			}
			
			// Ease progress towards the target value 
			
flip.progress += ( flip.target - flip.progress ) * 0.2;
			
			// If the flip is being dragged or is somewhere in the middle of the book, render it
			
if( flip.dragging || Math.abs( flip.progress ) < 0.997 ) {
				
drawFlip( flip );
			
}
			
		}
		
	}
	
	
function drawFlip( flip ) {
		// Strength of the fold is strongest in the middle of the book
		
var strength = 1 - Math.abs( flip.progress );
		
		// Width of the folded paper
		
var foldWidth = ( PAGE_WIDTH * 0.5 ) * ( 1 - flip.progress );
		
		// X position of the folded paper
		
var foldX = PAGE_WIDTH * flip.progress + foldWidth;
		
		// How far the page should outdent vertically due to perspective
		
var verticalOutdent = 20 * strength;
		
		// The maximum width of the left and right side shadows
		
var paperShadowWidth = ( PAGE_WIDTH * 0.5 ) * Math.max( Math.min( 1 - flip.progress, 0.5 ), 0 );
		
var rightShadowWidth = ( PAGE_WIDTH * 0.5 ) * Math.max( Math.min( strength, 0.5 ), 0 );
		var leftShadowWidth = ( PAGE_WIDTH * 0.5 ) * Math.max( Math.min( strength, 0.5 ), 0 );
		
		
		// Change page element width to match the x position of the fold
		
flip.page.style.width = Math.max(foldX, 0) + "px";
		
		
context.save();
		
context.translate( CANVAS_PADDING + ( BOOK_WIDTH / 2 ), PAGE_Y + CANVAS_PADDING );
		
		
		// Draw a sharp shadow on the left side of the page
		context.strokeStyle = 'rgba(0,0,0,'+(0.05 * strength)+')';
		
context.lineWidth = 30 * strength;
		
context.beginPath();
		
context.moveTo(foldX - foldWidth, -verticalOutdent * 0.5);
		
context.lineTo(foldX - foldWidth, PAGE_HEIGHT + (verticalOutdent * 0.5));
		
context.stroke();
		
		
		// Right side drop shadow
		
var rightShadowGradient = context.createLinearGradient(foldX, 0, foldX + rightShadowWidth, 0);
		
rightShadowGradient.addColorStop(0, 'rgba(0,0,0,'+(strength*0.2)+')');
		
rightShadowGradient.addColorStop(0.8, 'rgba(0,0,0,0.0)');
		
		
context.fillStyle = rightShadowGradient;
		context.beginPath();
		
context.moveTo(foldX, 0);
		
context.lineTo(foldX + rightShadowWidth, 0);
		
context.lineTo(foldX + rightShadowWidth, PAGE_HEIGHT);
		
context.lineTo(foldX, PAGE_HEIGHT);
		
context.fill();
		
		
		// Left side drop shadow
		
var leftShadowGradient = context.createLinearGradient(foldX - foldWidth - leftShadowWidth, 0, foldX - foldWidth, 0);
		
leftShadowGradient.addColorStop(0, 'rgba(0,0,0,0.0)');
		
leftShadowGradient.addColorStop(1, 'rgba(0,0,0,'+(strength*0.15)+')');
		
		
context.fillStyle = leftShadowGradient;
		
context.beginPath();
		
context.moveTo(foldX - foldWidth - leftShadowWidth, 0);
		
context.lineTo(foldX - foldWidth, 0);
		
context.lineTo(foldX - foldWidth, PAGE_HEIGHT);
		
context.lineTo(foldX - foldWidth - leftShadowWidth, PAGE_HEIGHT);
		
context.fill();
		
		
		// Gradient applied to the folded paper (highlights & shadows)
		
var foldGradient = context.createLinearGradient(foldX - paperShadowWidth, 0, foldX, 0);
		foldGradient.addColorStop(0.35, '#fafafa');
		
foldGradient.addColorStop(0.73, '#eeeeee');
		
foldGradient.addColorStop(0.9, '#fafafa');
		
foldGradient.addColorStop(1.0, '#e2e2e2');
		
		
context.fillStyle = foldGradient;
		
context.strokeStyle = 'rgba(0,0,0,0.06)';
		
context.lineWidth = 0.5;
		
		// Draw the folded piece of paper
		
context.beginPath();
		
context.moveTo(foldX, 0);
		
context.lineTo(foldX, PAGE_HEIGHT);
		
context.quadraticCurveTo(foldX, PAGE_HEIGHT + (verticalOutdent * 2), foldX - foldWidth, PAGE_HEIGHT + verticalOutdent);
		
context.lineTo(foldX - foldWidth, -verticalOutdent);
		
context.quadraticCurveTo(foldX, -verticalOutdent * 2, foldX, 0);

context.fill();
		
context.stroke();

context.restore();
	}
	
})();



/*★pageflip.jsの展開分ここまで*/

-->
</script>
<!--★コピーここまで-->

</body>
</html>
スライドショー２１■面白２■ ドラッグでページめくりL寸 UP日時 : 2014/06/04

エリマキキツネザル

紅葉

シオカラトンボ

宇宙船

ナナホシテントウムシ

スライドショー２１■面白２■　ドラッグでページめくりL寸　　　　UP日時 : 2014/06/04
