您的位置:首页 > 其它

超酷3D照片展示效果

2015-05-16 13:49 323 查看
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<meta name="keywords" content="相册代码" />

<meta name="description" content="此代码内容为超酷3D照片展示效果,属于站长常用代码。" />

<title>超酷3D照片展示效果</title>

<style type="text/css">

html {

overflow: hidden;

}

body {

position: absolute;

margin: 0px;

padding: 0px;

background: #111;

width: 100%;

height: 100%;

}

#screen {

position: absolute;

left: 10%;

top: 10%;

width: 80%;

height: 80%;

background: #000;

}

#screen img {

position: absolute;

cursor: pointer;

visibility: hidden;

width: 0px;

height: 0px;

}

#screen .tvover {

border: solid #876;

opacity: 1;

filter: alpha(opacity=100);

}

#screen .tvout {

border: solid #fff;

opacity: 0.7;

}

#bankImages {

display: none;

}

</style>

<script type="text/javascript">

var Library = {};

Library.ease = function () {

this.target = 0;

this.position = 0;

this.move = function (target, speed)

{

this.position += (target - this.position) * speed;

}

}

var tv = {

/* ==== variables ==== */

O : [],

screen : {},

grid : {

size : 4, // 4x4 grid

borderSize : 6, // borders size

zoomed : false

},

angle : {

x : new Library.ease(),

y : new Library.ease()

},

camera : {

x : new Library.ease(),

y : new Library.ease(),

zoom : new Library.ease(),

focalLength : 750 // camera Focal Length

},

/* ==== init script ==== */

init : function ()

{

this.screen.obj = document.getElementById('screen');

var img = document.getElementById('bankImages').getElementsByTagName('img');

this.screen.obj.onselectstart = function () { return false; }

this.screen.obj.ondrag = function () { return false; }

/* ==== create images grid ==== */

var ni = 0;

var n = (tv.grid.size / 2) - .5;

for (var y = -n; y <= n; y++)

{

for (var x = -n; x <= n; x++)

{

/* ==== create HTML image element ==== */

var o = document.createElement('img');

var i = img[(ni++) % img.length];

o.className = 'tvout';

o.src = i.src;

tv.screen.obj.appendChild(o);

/* ==== 3D coordinates ==== */

o.point3D = {

x : x,

y : y,

z : new Library.ease()

};

/* ==== push object ==== */

o.point2D = {};

o.ratioImage = 1;

tv.O.push(o);

/* ==== on mouse over event ==== */

o.onmouseover = function ()

{

if (!tv.grid.zoomed)

{

if (tv.o)

{

/* ==== mouse out ==== */

tv.o.point3D.z.target = 0;

tv.o.className = 'tvout';

}

/* ==== mouse over ==== */

this.className = 'tvover';

this.point3D.z.target = -.5;

tv.o = this;

}

}

/* ==== on click event ==== */

o.onclick = function ()

{

if (!tv.grid.zoomed)

{

/* ==== zoom in ==== */

tv.camera.x.target = this.point3D.x;

tv.camera.y.target = this.point3D.y;

tv.camera.zoom.target = tv.screen.w * 1.25;

tv.grid.zoomed = this;

} else {

if (this == tv.grid.zoomed){

/* ==== zoom out ==== */

tv.camera.x.target = 0;

tv.camera.y.target = 0;

tv.camera.zoom.target = tv.screen.w / (tv.grid.size + .1);

tv.grid.zoomed = false;

}

}

}

/* ==== 3D transform function ==== */

o.calc = function ()

{

/* ==== ease mouseover ==== */

this.point3D.z.move(this.point3D.z.target, .5);

/* ==== assign 3D coords ==== */

var x = (this.point3D.x - tv.camera.x.position) * tv.camera.zoom.position;

var y = (this.point3D.y - tv.camera.y.position) * tv.camera.zoom.position;

var z = this.point3D.z.position * tv.camera.zoom.position;

/* ==== perform rotations ==== */

var xy = tv.angle.cx * y - tv.angle.sx * z;

var xz = tv.angle.sx * y + tv.angle.cx * z;

var yz = tv.angle.cy * xz - tv.angle.sy * x;

var yx = tv.angle.sy * xz + tv.angle.cy * x;

/* ==== 2D transformation ==== */

this.point2D.scale = tv.camera.focalLength / (tv.camera.focalLength + yz);

this.point2D.x = yx * this.point2D.scale;

this.point2D.y = xy * this.point2D.scale;

this.point2D.w = Math.round(

Math.max(

0,

this.point2D.scale * tv.camera.zoom.position * .8

)

);

/* ==== image size ratio ==== */

if (this.ratioImage > 1)

this.point2D.h = Math.round(this.point2D.w / this.ratioImage);

else

{

this.point2D.h = this.point2D.w;

this.point2D.w = Math.round(this.point2D.h * this.ratioImage);

}

}

/* ==== rendering ==== */

o.draw = function ()

{

if (this.complete)

{

/* ==== paranoid image load ==== */

if (!this.loaded)

{

if (!this.img)

{

/* ==== create internal image ==== */

this.img = new Image();

this.img.src = this.src;

}

if (this.img.complete)

{

/* ==== get width / height ratio ==== */

this.style.visibility = 'visible';

this.ratioImage = this.img.width / this.img.height;

this.loaded = true;

this.img = false;

}

}

/* ==== HTML rendering ==== */

this.style.left = Math.round(

this.point2D.x * this.point2D.scale +

tv.screen.w - this.point2D.w * .5

) + 'px';

this.style.top = Math.round(

this.point2D.y * this.point2D.scale +

tv.screen.h - this.point2D.h * .5

) + 'px';

this.style.width = this.point2D.w + 'px';

this.style.height = this.point2D.h + 'px';

this.style.borderWidth = Math.round(

Math.max(

this.point2D.w,

this.point2D.h

) * tv.grid.borderSize * .01

) + 'px';

this.style.zIndex = Math.floor(this.point2D.scale * 100);

}

}

}

}

/* ==== start script ==== */

tv.resize();

mouse.y = tv.screen.y + tv.screen.h;

mouse.x = tv.screen.x + tv.screen.w;

tv.run();

},

/* ==== resize window ==== */

resize : function ()

{

var o = tv.screen.obj;

tv.screen.w = o.offsetWidth / 2;

tv.screen.h = o.offsetHeight / 2;

tv.camera.zoom.target = tv.screen.w / (tv.grid.size + .1);

for (tv.screen.x = 0, tv.screen.y = 0; o != null; o = o.offsetParent)

{

tv.screen.x += o.offsetLeft;

tv.screen.y += o.offsetTop;

}

},

/* ==== main loop ==== */

run : function ()

{

/* ==== motion ease ==== */

tv.angle.x.move(-(mouse.y - tv.screen.h - tv.screen.y) * .0025, .1);

tv.angle.y.move( (mouse.x - tv.screen.w - tv.screen.x) * .0025, .1);

tv.camera.x.move(tv.camera.x.target, tv.grid.zoomed ? .25 : .025);

tv.camera.y.move(tv.camera.y.target, tv.grid.zoomed ? .25 : .025);

tv.camera.zoom.move(tv.camera.zoom.target, .05);

/* ==== angles sin and cos ==== */

tv.angle.cx = Math.cos(tv.angle.x.position);

tv.angle.sx = Math.sin(tv.angle.x.position);

tv.angle.cy = Math.cos(tv.angle.y.position);

tv.angle.sy = Math.sin(tv.angle.y.position);

/* ==== loop through all images ==== */

for (var i = 0, o; o = tv.O[i]; i++)

{

o.calc();

o.draw();

}

/* ==== loop ==== */

setTimeout(tv.run, 32);

}

}

/* ==== global mouse position ==== */

var mouse = {

x : 0,

y : 0

}

document.onmousemove = function(e)

{

if (window.event) e = window.event;

mouse.x = e.clientX;

mouse.y = e.clientY;

return false;

}

</script>

</head>

<body>

<hr />

<div id="screen"></div>

<div id="bankImages">

<img alt="" src="images/wi23.jpg">

<img alt="" src="images/wt06.jpg">

<img alt="" src="images/wt47.jpg">

<img alt="" src="images/wt16.jpg">

<img alt="" src="images/wt43.jpg">

<img alt="" src="images/wt19.jpg">

<img alt="" src="images/wt27.jpg">

<img alt="" src="images/wt46.jpg">

<img alt="" src="images/wt14.jpg">

<img alt="" src="images/wt21.jpg">

<img alt="" src="images/wt35.jpg">

<img alt="" src="images/wt48.jpg">

<img alt="" src="images/wt55.jpg">

<img alt="" src="images/wt40.jpg">

<img alt="" src="images/wt53.jpg">

<img alt="" src="images/wt25.jpg">

</div>

<script type="text/javascript">

/* ==== start script ==== */

onresize = tv.resize;

tv.init();

</script>

<br>

<div><A href="http://www.999jiujiu.com/">http://www.999jiujiu.com/</A></div>

</body>

</html>
内容来自用户分享和网络整理,不保证内容的准确性,如有侵权内容,可联系管理员处理 点击这里给我发消息
标签: