html5人物图片360度立体旋转

体验效果：http://hovertree.com/texiao/html5/10.htm
下载：http://hovertree.com/hvtart/bjae/t16oddyt.htm
代码如下：
<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>Full 360 degree View - HoverTree</title>

<style>

.hvtholder {

margin: 0px auto;

width: 789px;

text-align: center;

}

a {

color: blue;

}

</style>

<script type="text/javascript" src="http://hovertree.com/ziyuan/jquery/jquery-1.11.3.min.js"></script>

<script>

var ctx = null; // global variable 2d context

var frame = 1; // 23

var width = 0;

var height = 0;

var started = false;

var images = new Array();

var startedX = -1;

$(function () {

var canvas = document.getElementById("hov"+"ertree_canvas");

canvas.width = 440;// window.innerWidth;

canvas.height = 691;//window.innerHeight;

width = canvas.width;

height = canvas.height;

var bar = document.getElementById('loadHove'+'rTreeBar');

for (var i = 1; i < 24; i++) {

bar.value = i;

if (i < 10) {

images[i] = new Image();

images[i].src = "10/hovertree0" + i + ".jpg";

}

else {

images[i] = new Image();

images[i].src = "10/hovert"+"ree" + i + ".jpg";

}

}

ctx = canvas.getContext("2d");

// mouse event

canvas.addEventListener("mousedown", doMouseDown, false);

canvas.addEventListener('mousemove', doMouseMove, false);

canvas.addEventListener('mouseup', doMouseUp, false);

// loaded();

// frame = 1

frame = 1;

images[frame].onload = function () {

redraw();

bar.style.display = 'none';

}

$("#goHovertr"+"ee").on("click", function () { gohovertree();})

})

function doMouseDown(event) {

var x = event.pageX;

var y = event.pageY;

var canvas = event.target;

var loc = getPointOnCanvas(canvas, x, y);

console.log("mouse down at point( x:" + loc.x + ", y:" + loc.y + ")");

startedX = loc.x;

started = true;

}

function doMouseMove(event) {

var x = event.pageX;

var y = event.pageY;

var canvas = event.target;

var loc = getPointOnCanvas(canvas, x, y);

if (started) {

var count = Math.floor(Math.abs((startedX - loc.x)/30));

var frameIndex = Math.floor((startedX - loc.x)/30);

while(count > 0)

{

console.log("frameIndex = " + frameIndex);

count--;

if(frameIndex > 0)

{

frameIndex--;

frame++;

} else if(frameIndex < 0)

{

frameIndex++;

frame--;

}

else if(frameIndex == 0)

{

break;

}

if(frame >= 24)

{

frame = 1;

}

if(frame <= 0)

{

frame = 23;

}

redraw();

}

}

}

function doMouseUp(event) {

console.log("mouse up now");

if (started) {

doMouseMove(event);

startedX = -1;

started = false;

}

}

function getPointOnCanvas(canvas, x, y) {

var bbox = canvas.getBoundingClientRect();

return { x: x - bbox.left * (canvas.width / bbox.width),

y: y - bbox.top * (canvas.height / bbox.height)

};

}

function gohovertree() {

setTimeout( update, 1000/8);

}

function redraw()

{

// var imageObj = document.createElement("img");

// var imageObj = new Image();

var imageObj = images[frame];

ctx.clearRect(0, 0, width, height)

ctx.drawImage(imageObj, 0, 0, width, height);

}

function update() {

redraw();

frame++;

if (frame >= 23) frame = 1;

setTimeout( update, 1000/8);

}

</script>

</head>

<body>

<div class="hvtholder">

<h3>360度旋转产品展示</h3><a href="http://hovertree.com">首页</a> <a href="http://hovertree.com/texiao/">特效</a> <a href="http://hovertree.com/hvtart/bjae/49kk0ib8.htm">原文</a>

<br />点击下面按钮旋转<br /><button id="goHovertree">点击旋转</button>

<br />

</div>

<div style="width:640px;margin:0 auto;">

<progress id="loadHoverTreeBar" value="0" max="23"></progress>

<canvas id="hovertree_canvas">您的浏览器不支持HTML5，使用支持HTTML5的浏览器，何问起，hovertree.com</canvas>

</div>

</body>

</html>
巴特西

html5人物图片360度立体旋转

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