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锁定老帖子 主题：JS超强相册(分享大家)
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发表时间：2008-02-29
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html> <head> <title></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 = { O : [], screen : {}, grid : { size : 4, borderSize : 6, 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 }, 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; } var ni = 0; var n = (tv.grid.size / 2) - .5; for (var y = -n; y <= n; y++) { for (var x = -n; x <= n; x++) { var o = document.createElement('img'); var i = img[(ni++) % img.length]; o.className = 'tvout'; o.src = i.src; tv.screen.obj.appendChild(o); o.point3D = { x : x, y : y, z : new Library.ease() }; o.point2D = {}; o.ratioImage = 1; tv.O.push(o); o.onmouseover = function () { if (!tv.grid.zoomed) { if (tv.o) { tv.o.point3D.z.target = 0; tv.o.className = 'tvout'; } this.className = 'tvover'; this.point3D.z.target = -.5; tv.o = this; } } o.onclick = function () { if (!tv.grid.zoomed) { 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){ 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; } } } o.calc = function () { this.point3D.z.move(this.point3D.z.target, .5); 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; 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; 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 ) ); 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); } } o.draw = function () { if (this.complete) { if (!this.loaded) { if (!this.img) { this.img = new Image(); this.img.src = this.src; } if (this.img.complete) { this.style.visibility = 'visible'; this.ratioImage = this.img.width / this.img.height; this.loaded = true; this.img = false; } } 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); } } } } tv.resize(); mouse.y = tv.screen.y + tv.screen.h; mouse.x = tv.screen.x + tv.screen.w; tv.run(); }, 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; } }, run : function () { 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); 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); for (var i = 0, o; o = tv.O[i]; i++) { o.calc(); o.draw(); } setTimeout(tv.run, 32); } } 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> <div id="screen"></div> <div id="bankImages"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200741181035801.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200741183375921.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200741184993505.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200741185038473.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200741185117345.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200741185166937.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200741185221625.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200741185296017.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200741185481737.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200741185777873.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200742961603953.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200742961603953.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200742961603953.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200742961603953.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200742961603953.jpg"> <img alt="" src="http://www.sg803.com/UploadFile/pic/picbig/200742961603953.jpg"> </div> <script type="text/javascript"> onresize = tv.resize; tv.init(); </script> </body> </html> 声明：ITeye文章版权属于作者，受法律保护。没有作者书面许可不得转载。
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