体验效果：http://keleyi.com/keleyi/phtml/html5/31.htm
HTML代码如下：
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="UTF-8" >
<title>程序员用HTML5制作的爱心树表白动画- 柯乐义</title><base target="_blank" href="http://keleyi.com/keleyi/phtml/html5/" />
<link type="text/css" rel="stylesheet" href="http://keleyi.com/keleyi/phtml/html5/31/renxi/default.css">
<script type="text/javascript" src="http://keleyi.com/keleyi/pmedia/jquery/jquery-1.11.2.min.js"></script>
<script type="text/javascript" src="http://keleyi.com/keleyi/phtml/html5/31/renxi/jscex.min.js"></script>
<script type="text/javascript" src="http://keleyi.com/keleyi/phtml/html5/31/renxi/jscex-parser.js"></script>
<script type="text/javascript" src="http://keleyi.com/keleyi/phtml/html5/31/renxi/jscex-jit.js"></script>
<script type="text/javascript" src="http://keleyi.com/keleyi/phtml/html5/31/renxi/jscex-builderbase.min.js"></script>
<script type="text/javascript" src="http://keleyi.com/keleyi/phtml/html5/31/renxi/jscex-async.min.js"></script>
<script type="text/javascript" src="http://keleyi.com/keleyi/phtml/html5/31/renxi/jscex-async-powerpack.min.js"></script>
<script type="text/javascript" src="http://keleyi.com/keleyi/phtml/html5/31/renxi/functions.js" charset="utf-8"></script>
<script type="text/javascript" src="http://keleyi.com/keleyi/phtml/html5/31/renxi/love.js" charset="utf-8"></script>
<style type="text/css">
<!--
.STYLE1 {color: #666666}
-->
</style>
</head>
<body>
<div id="main">
<div id="error">本页面采用HTML5技术，目前您的浏览器无法显示，请使用<a href="http://keleyi.com/a/bjac/g039tue3.htm">支持HTML5的浏览器</a>查看本页。</div>
<div id="wrap">
<div id="text">
<div id="code">
<p> <font color="#FF0000"> <span class="say">亲爱的何文琪：</span><br>
<span class="say"></span><br />
<span class="say">曾经，</span><br>
<span class="say">有一份真挚的爱情摆在我面前，</span><br />
<span class="say">我没有珍惜，</span><br />
<span class="say">等到我失去的时候才后悔莫及，</span><br>
<span class="say">人世间最痛苦的事莫过于此......</span><br>
<span class="say">如果上天能够给我一个再来一次的机会，</span><br>
<span class="say">我会对那个女孩子说六个字：</span><br>
<span class="say">何文琪我爱你！</span><br />
<span class="say">如果非要在这份爱上加一个期限，</span><br>
<span class="say">我希望是..... </span><br>
<span class="say">一万年！</span><br />
<span class="say"><span class="space"></span> -- 爱你的柯乐义--</span>
</font></p>
</div>
</div>
<div id="clock-box">
<script type="text/javascript" src="/kineryi/js/gggg336x280a.js"></script>
</div>
<canvas id="keleyi" width="1100" height="680"></canvas>
</div>
</div>
<script>
(function(){
var canvas = $('#ke'+'leyi');
if (!canvas[0].getContext) {
$("#error").show();
return false; }
var width = canvas.width();
var height = canvas.height();
canvas.attr("width", width);
canvas.attr("height", height);
var opts = {
seed: {
x: width / 2 - 20,
color: "rgb(190, 26, 37)",
scale: 2
},
branch: [
[535, 680, 570, 250, 500, 200, 30, 100, [
[540, 500, 455, 417, 340, 400, 13, 100, [
[450, 435, 434, 430, 394, 395, 2, 40]
]],
[550, 445, 600, 356, 680, 345, 12, 100, [
[578, 400, 648, 409, 661, 426, 3, 80]
]],
[539, 281, 537, 248, 534, 217, 3, 40],
[546, 397, 413, 247, 328, 244, 9, 80, [
[427, 286, 383, 253, 371, 205, 2, 40],
[498, 345, 435, 315, 395, 330, 4, 60]
]],
[546, 357, 608, 252, 678, 221, 6, 100, [
[590, 293, 646, 277, 648, 271, 2, 80]
]]
]]
],
bloom: {
num: 700,
width: 1080,
height: 650,
},
footer: {
width: 1200,
height: 5,
speed: 10,
}
}
var tree = new Tree(canvas[0], width, height, opts);
var seed = tree.seed;
var foot = tree.footer;
var hold = 1;
canvas.click(function(e) {
var offset = canvas.offset(), x, y;
x = e.pageX - offset.left;
y = e.pageY - offset.top;
if (seed.hover(x, y)) {
hold = 0;
canvas.unbind("click");
canvas.unbind("mousemove");
canvas.removeClass('hand');
}
}).mousemove(function(e){
var offset = canvas.offset(), x, y;
x = e.pageX - offset.left;
y = e.pageY - offset.top;
canvas.toggleClass('hand', seed.hover(x, y));
});
var seedAnimate = eval(Jscex.compile("async", function () {
seed.draw();
while (hold) {
$await(Jscex.Async.sleep(10));
}
while (seed.canScale()) {
seed.scale(0.95);
$await(Jscex.Async.sleep(10));
}
while (seed.canMove()) {
seed.move(0, 2);
foot.draw();
$await(Jscex.Async.sleep(10));
}
}));
var growAnimate = eval(Jscex.compile("async", function () {
do {
tree.grow();
$await(Jscex.Async.sleep(10));
} while (tree.canGrow());
}));
var flowAnimate = eval(Jscex.compile("async", function () {
do {
tree.flower(2);
$await(Jscex.Async.sleep(10));
} while (tree.canFlower());
}));
var moveAnimate = eval(Jscex.compile("async", function () {
tree.snapshot("p1", 240, 0, 610, 680);
while (tree.move("p1", 500, 0)) {
foot.draw();
$await(Jscex.Async.sleep(10));
}
foot.draw();
tree.snapshot("p2", 500, 0, 610, 680);
// 会有闪烁不得意这样做, (＞﹏＜)
canvas.parent().css("background", "url(" + tree.toDataURL('image/png') + ")");
canvas.css("background", "#ffe");
$await(Jscex.Async.sleep(300));
canvas.css("background", "none");
}));
var jumpAnimate = eval(Jscex.compile("async", function () {
var ctx = tree.ctx;
while (true) {
tree.ctx.clearRect(0, 0, width, height);
tree.jump();
foot.draw();
$await(Jscex.Async.sleep(25));
}
}));
var textAnimate = eval(Jscex.compile("async", function () {
$("#code").show().typewriter();
}));
var runAsync = eval(Jscex.compile("async", function () {
$await(seedAnimate());
$await(growAnimate());
$await(flowAnimate());
$await(moveAnimate());
textAnimate().start();
$await(jumpAnimate());
}));
runAsync().start();
})();
</script>
<div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';">
<p>适用浏览器：360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗. 不支持IE8及以下浏览器。</p>
<p><a href="http://keleyi.com" target="_blank">首页</a> <a href="http://keleyi.com/keleyi/phtml/">特效</a> <a href="http://keleyi.com/a/bjae/9dbvc2eg.htm">原文</a></p>
</div>
</body>
</html>
特效：