<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta name="Author" content="Gerard Ferrandez at http://www.dhteumeuleu.com/">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="HandheldFriendly" content="true">
<meta name="msvalidate.01" content="B6C713C1F4E407129EDEF7810A8B9BCB">
<meta name="description" content="程序员给女朋友用HTML5制作的3D相册，使用鼠标拖拽，能看到3D旋转效果，点击相片，相片能放大，移近。程序员发挥自己的专长，这是那些不懂编程的人望尘莫及的。本相册使用了HTML5的画布技术，需要谷歌浏览器或火狐浏览器等现代浏览器才能正常观看。">
<meta name="keywords" content="canvas,3D,perspective,texturing,gallery">
<link rel="stylesheet" href="slider-wb.css">
<link rel="shortcut icon" href="http://www.webhek.com/favicon.ico?1e4e94">
<style>
html {
overflow: hidden;
-ms-touch-action: none;
-ms-content-zooming: none;
}
body {
position: absolute;
margin: 0px;
padding: 0px;
background: #fff;
width: 100%;
height: 100%;
}
#canvas {
position: absolute;
width: 100%;
height: 100%;
background: #fff;
}
</style>
<script src="analytics.js" async=""></script>
<script src="ge1doot.js"></script>
<script>
/*
* ==============================================================
* CANVAS 3D experiment -
* http://www.dhteumeuleu.com/
* Author Gerard Ferrandez - 7 June 2010
* ------------------------------------------------------------
* GFX: Vieeto Voom - http://www.flickr.com/photos/vieeto_voom/
* ------------------------------------------------------------
* Javascript released under the MIT license
* http://www.dhteumeuleu.com/LICENSE.html
* Last updated: 12 Dec 2012
* ===============================================================
*/
"use strict";
(function() {
/* ==== definitions ==== */
var diapo = [],
layers = [],
ctx, pointer, scr, camera, light, fps = 0,
quality = [1, 2],
// ---- poly constructor ----
Poly = function(parent, face) {
this.parent = parent;
this.ctx = ctx;
this.color = face.fill || false;
this.points = [];
if (!face.img) {
// ---- create points ----
for (var i = 0; i < 4; i++) {
this.points[i] = new ge1doot.transform3D.Point(
parent.pc.x + (face.x[i] * parent.normalZ) + (face.z[i] * parent.normalX),
parent.pc.y + face.y[i],
parent.pc.z + (face.x[i] * parent.normalX) + (-face.z[i] * parent.normalZ)
);
}
this.points[3].next = false;
}
},
// ---- diapo constructor ----
Diapo = function(path, img, structure) {
// ---- create image ----
this.img = new ge1doot.transform3D.Image(
this, path + img.img, 1, {
isLoaded: function(img) {
img.parent.isLoaded = true;
img.parent.loaded(img);
}
}
);
this.visible = false;
this.normalX = img.nx;
this.normalZ = img.nz;
// ---- point center ----
this.pc = new ge1doot.transform3D.Point(img.x, img.y, img.z);
// ---- target positions ----
this.tx = img.x + (img.nx * Math.sqrt(camera.focalLength) * 20);
this.tz = img.z - (img.nz * Math.sqrt(camera.focalLength) * 20);
// ---- create polygons ----
this.poly = [];
for (var i = -1, p; p = structure[++i];) {
layers[i] = (p.img === true ? 1 : 2);
this.poly.push(
new Poly(this, p)
);
}
},
// ---- init section ----
init = function(json) {
// draw poly primitive
Poly.prototype.drawPoly = ge1doot.transform3D.drawPoly;
// ---- init screen ----
scr = new ge1doot.Screen({
container: "canvas"
});
ctx = scr.ctx;
scr.resize();
// ---- init pointer ----
pointer = new ge1doot.Pointer({
tap: function() {
if (camera.over) {
if (camera.over === camera.target.elem) {
// ---- return to the center ----
camera.target.x = 0;
camera.target.z = 0;
camera.target.elem = false;
} else {
// ---- goto diapo ----
camera.target.elem = camera.over;
camera.target.x = camera.over.tx;
camera.target.z = camera.over.tz;
// ---- adapt tesselation level to distance ----
for (var i = 0, d; d = diapo[i++];) {
var dx = camera.target.x - d.pc.x;
var dz = camera.target.z - d.pc.z;
var dist = Math.sqrt(dx * dx + dz * dz);
var lev = (dist > 1500) ? quality[0] : quality[1];
d.img.setLevel(lev);
}
}
}
}
});
// ---- init camera ----
camera = new ge1doot.transform3D.Camera({
focalLength: Math.sqrt(scr.width) * 10,
easeTranslation: 0.025,
easeRotation: 0.06,
disableRz: true
}, {
move: function() {
this.over = false;
// ---- rotation ----
if (pointer.isDraging) {
this.target.elem = false;
this.target.ry = -pointer.Xi * 0.01;
this.target.rx = (pointer.Y - scr.height * 0.5) / (scr.height * 0.5);
} else {
if (this.target.elem) {
this.target.ry = Math.atan2(
this.target.elem.pc.x - this.x,
this.target.elem.pc.z - this.z
