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225. Web前端网页制作 520粒子动画浪漫表白计时中大学生期末大作业 html

作者：从前慢现在也慢 | 2024-07-17 20:47:58

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前言

520就要到了！520就要到了！520就要到了！重要的事情说三遍。520粒子动画浪漫表白，在一起计时，带背景音乐。送对象专属！

一、网页概述

头像、表白文字、背景音乐可以任意修改，支持如Dreamweaver、HBuilder、Text 、Vscode 等任意html编辑软件进行编辑修改；支持包括IE、Firefox、Chrome、Safari主流浏览器浏览。

二、网页文件

三、网页效果

以下是本篇文章正文内容，下面案例仅供参考（节选示例）：

四、代码展示

1.html

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>1996 - DengSir</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">

<style>
html {
height: 100%;
}

body {
font-family: "Helvetica Neue", "Luxi Sans", "DejaVu Sans", Tahoma, "Hiragino Sans GB", "Microsoft Yahei", sans-serif;
background: #79a8ae;
color: #CFEBE4;
font-size: 18px;
line-height: 2;
letter-spacing: 1.2px;
margin: 0;
}

a {
color: #ebf7f4;
}

.body--ready {
background: -webkit-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
background: -moz-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
background: -o-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
background: -ms-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
background: linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
}

.text {
position: fixed;
bottom: 100px;
text-align: center;
width: 100%;
}

.canvas {
margin: 0 auto;
display: block;
}

img#logo {
width: 128px;
background-size: cover;
border-radius: 200px;
box-shadow: 0px 0px 40px rgba(63, 81, 181, 0.72);
border: 3px solid #00a0ff;
opacity: 1;
margin: 0 auto;
margin-top: 20px;
margin-bottom: 20px;
transition: all 1.0s;
}

#logo:hover {
box-shadow: 0 0 10px #fff;
-webkit-box-shadow: 0 0 19px #fff;
transform: rotate(360deg);
-ms-transform: rotate(360deg); /* IE 9 */
-moz-transform: rotate(360deg); /* Firefox */
-webkit-transform: rotate(360deg); /* Safari 和 Chrome */
-o-transform: rotate(360deg); /* Opera */
filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3);
}

.cs {
width: 100%;
height: 100%;
margin: 0 auto;
position: absolute;
text-align: center;
}

.text {
position: fixed;
bottom: 80px;
text-align: center;
width: 100%;
font-weight: bold;
}

.text-right {
position: fixed;
bottom: 50px;
text-align: right;
width: 100%;
font-weight: bold;
}
</style>

</head>

<body>

<div class="cs">
<img src="R-C.jpg" id="logo">
</div>
<canvas class="canvas" width="1820" height="905"></canvas>
<p class="text" style="color: #ed3073;">
We fell in love
<br/>
<span id="span_dt_dt"></span>
</p>
<script language="javascript">
function show_date_time() {
window.setTimeout("show_date_time()", 1000);
BirthDay = new Date("2/20/2018 00:00:00");//这个日期是可以修改的
today = new Date();
timeold = (today.getTime() - BirthDay.getTime());
sectimeold = timeold / 1000
secondsold = Math.floor(sectimeold);
msPerDay = 24 * 60 * 60 * 1000
e_daysold = timeold / msPerDay
daysold = Math.floor(e_daysold);
e_hrsold = (e_daysold - daysold) * 24;
hrsold = Math.floor(e_hrsold);
e_minsold = (e_hrsold - hrsold) * 60;
minsold = Math.floor((e_hrsold - hrsold) * 60);
seconds = Math.floor((e_minsold - minsold) * 60);
span_dt_dt.innerHTML = daysold + "天" + hrsold + "小时" + minsold + "分" + seconds + "秒";
}

show_date_time();
</script>
<script>
var S = {
init: function () {
S.Drawing.init('.canvas');
document.body.classList.add('body--ready');
//想说的话
S.UI.simulate("娜娜|I|Love|You|#countdown 3|#time");
S.Drawing.loop(function () {
S.Shape.render();
});
}
};

S.Drawing = (function () {
var canvas,
context,
renderFn,
requestFrame = window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function (callback) {
window.setTimeout(callback, 1000 / 60);
};

return {
init: function (el) {
canvas = document.querySelector(el);
context = canvas.getContext('2d');
this.adjustCanvas();

S.UI = (function () {
var interval,
currentAction,
time,
maxShapeSize = 30,
sequence = [],
cmd = '#';

function formatTime(date) {
var h = date.getHours(),
m = date.getMinutes(),
m = m < 10 ? '0' + m : m;
return h + ':' + m;
}

function getValue(value) {
return value && value.split(' ')[1];
}

function getAction(value) {
value = value && value.split(' ')[0];
return value && value[0] === cmd && value.substring(1);
}

function timedAction(fn, delay, max, reverse) {
clearInterval(interval);
currentAction = reverse ? max : 1;
fn(currentAction);

if (!max || (!reverse && currentAction < max) || (reverse && currentAction > 0)) {
interval = setInterval(function () {
currentAction = reverse ? currentAction - 1 : currentAction + 1;
fn(currentAction);

if ((!reverse && max && currentAction === max) || (reverse && currentAction === 0)) {
clearInterval(interval);
}
}, delay);
}
}

function performAction(value) {
var action,
value,
current;

sequence = typeof (value) === 'object' ? value : sequence.concat(value.split('|'));

timedAction(function (index) {
current = sequence.shift();
action = getAction(current);
value = getValue(current);

switch (action) {
case 'countdown':
value = parseInt(value) || 10;
value = value > 0 ? value : 10;

timedAction(function (index) {
if (index === 0) {
if (sequence.length === 0) {
S.Shape.switchShape(S.ShapeBuilder.letter(''));
} else {
performAction(sequence);
}
} else {
S.Shape.switchShape(S.ShapeBuilder.letter(index), true);
}
}, 1000, value, true);
break;

case 'rectangle':
value = value && value.split('x');
value = (value && value.length === 2) ? value : [maxShapeSize, maxShapeSize / 2];

S.Shape.switchShape(S.ShapeBuilder.rectangle(Math.min(maxShapeSize, parseInt(value[0])), Math.min(maxShapeSize, parseInt(value[1]))));
break;

case 'circle':
value = parseInt(value) || maxShapeSize;
value = Math.min(value, maxShapeSize);
S.Shape.switchShape(S.ShapeBuilder.circle(value));
break;

case 'time':
var t = formatTime(new Date());

if (sequence.length > 0) {
S.Shape.switchShape(S.ShapeBuilder.letter(t));
} else {
timedAction(function () {
t = formatTime(new Date());
if (t !== time) {
time = t;
S.Shape.switchShape(S.ShapeBuilder.letter(time));
}
}, 1000);
}
break;

default:
S.Shape.switchShape(S.ShapeBuilder.letter(current[0] === cmd ? 'HacPai' : current));
}
}, 2000, sequence.length);
}

return {
simulate: function (action) {
performAction(action);
}
};
}());

S.Point = function (args) {
this.x = args.x;
this.y = args.y;
this.z = args.z;
this.a = args.a;
this.h = args.h;
};

S.Color = function (r, g, b, a) {
this.r = r;
this.g = g;
this.b = b;
this.a = a;
};

S.Color.prototype = {
render: function () {
return 'rgba(' + this.r + ',' + +this.g + ',' + this.b + ',' + this.a + ')';
}
};

S.Dot = function (x, y) {
this.p = new S.Point({
x: x,
y: y,
z: 5,
a: 1,
h: 0
});

this.e = 0.07;
this.s = true;

this.c = new S.Color(255, 255, 255, this.p.a);

this.t = this.clone();
this.q = [];
};

S.Dot.prototype = {
clone: function () {
return new S.Point({
x: this.x,
y: this.y,
z: this.z,
a: this.a,
h: this.h
});
},
_draw: function () {
this.c.a = this.p.a;
S.Drawing.drawCircle(this.p, this.c);
},
_moveTowards: function (n) {
var details = this.distanceTo(n, true),
dx = details[0],
dy = details[1],
d = details[2],
e = this.e * d;

if (this.p.h === -1) {
this.p.x = n.x;
this.p.y = n.y;
return true;
}

if (d > 1) {
this.p.x -= ((dx / d) * e);
this.p.y -= ((dy / d) * e);
} else {
if (this.p.h > 0) {
this.p.h--;
} else {
return true;
}
}

return false;
},
_update: function () {
if (this._moveTowards(this.t)) {
var p = this.q.shift();

if (p) {
this.t.x = p.x || this.p.x;
this.t.y = p.y || this.p.y;
this.t.z = p.z || this.p.z;
this.t.a = p.a || this.p.a;
this.p.h = p.h || 0;
} else {
if (this.s) {
this.p.x -= Math.sin(Math.random() * 3.142);
this.p.y -= Math.sin(Math.random() * 3.142);
} else {
this.move(new S.Point({
x: this.p.x + (Math.random() * 50) - 25,
y: this.p.y + (Math.random() * 50) - 25
}));
}
}
}

...

五、更多推荐

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225. Web前端网页制作 520粒子动画浪漫表白计时中 大学生期末大作业 html

前言

一、网页概述

二、网页文件

三、网页效果

四、代码展示

1.html

五、更多推荐

225. Web前端网页制作 520粒子动画浪漫表白计时中大学生期末大作业 html