超酷3D照片展示效果
@{
Layout = null;
}
<!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="Copyright" content="阿里西西 http://www.alixixi.com/" />
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<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 align="center">
<p style="color:#FFFFFF">来源：design-studio.cn 更多访问阿里西西 www.alixixi.com</p>
<p></p>
<p style="color:#FFFFFF"></p>
<p></p>
</div>
</body>
</html>
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