国庆节烟花效果代码
代码语言：html
所属分类：粒子
代码描述：国庆节烟花效果代码，用五彩斑斓的烟花来祝福伟大的祖国繁荣昌盛。
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<style>
* {
position:relative;
box-sizing:border-box
}
html,body {
height:100%
}
html {
background-color:#000
}
body {
overflow:hidden;
color:rgba(255,255,255,0.5);
font-family:"Russo One",arial,sans-serif;
line-height:1.25;
letter-spacing:.06em
}
.hide {
opacity:0;
visibility:hidden
}
.remove {
display:none!important
}
.blur {
filter:blur(12px)
}
.container {
height:100%;
display:flex;
justify-content:center;
align-items:center
}
.loading-init {
width:100%;
align-self:center;
text-align:center;
text-transform:uppercase
}
.loading-init__header {
font-size:2.2em
}
.loading-init__status {
margin-top:1em;
font-size:.8em;
opacity:.75
}
.stage-container {
overflow:hidden;
box-sizing:initial;
border:1px solid #222;
margin:-1px
}
@media(max-width:840px) {
.stage-container {
border:0;
margin:0
}
}.canvas-container {
width:100%;
height:100%;
background-image:url("//repo.bfw.wiki/bfwrepo/image/6335428c7ee12.png");
background-repeat: no-repeat;
background-size: cover;
transition:filter .3s
}
.canvas-container canvas {
position:absolute;
mix-blend-mode:lighten;
transform:translateZ(0)
}
.controls {
position:absolute;
top:0;
width:100%;
padding-bottom:50px;
display:flex;
justify-content:space-between;
transition:opacity .3s,visibility .3s
}
@media(min-width:840px) {
.controls {
visibility:visible
}
.controls.hide:hover {
opacity:1
}
}.menu {
position:absolute;
top:0;
bottom:0;
left:0;
right:0;
background-color:rgba(0,0,0,0.42);
transition:opacity .3s,visibility .3s
}
.menu__inner-wrap {
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
position:absolute;
top:0;
bottom:0;
left:0;
right:0;
transition:opacity .3s
}
.menu__header {
margin-top:auto;
margin-bottom:8px;
padding-top:16px;
font-size:2em;
text-transform:uppercase
}
.menu__subheader {
margin-bottom:auto;
padding-bottom:12px;
font-size:.86em;
opacity:.8
}
.menu form {
width:100%;
max-width:400px;
padding:0 10px;
overflow:auto;
-webkit-overflow-scrolling:touch
}
.menu .form-option {
display:flex;
align-items:center;
margin:16px 0;
transition:opacity .3s
}
.menu .form-option label {
display:block;
width:50%;
padding-right:12px;
text-align:right;
text-transform:uppercase;
-webkit-user-select:none;
-moz-user-select:none;
-ms-user-select:none;
user-select:none
}
.menu .form-option--select select {
display:block;
width:50%;
height:30px;
font-size:1rem;
font-family:"Russo One",arial,sans-serif;
color:rgba(255,255,255,0.5);
letter-spacing:.06em;
background-color:transparent;
border:1px solid rgba(255,255,255,0.5)
}
.menu .form-option--select select option {
background-color:black
}
.menu .form-option--checkbox input {
display:block;
width:26px;
height:26px;
margin:0;
opacity:.5
}
@media(max-width:840px) {
.menu .form-option select,.menu .form-option input {
outline:0
}
}.close-menu-btn {
position:absolute;
top:0;
right:0
}
.btn {
opacity:.16;
width:50px;
height:50px;
display:flex;
-webkit-user-select:none;
-moz-user-select:none;
-ms-user-select:none;
user-select:none;
cursor:default;
transition:opacity .3s
}
.btn--bright {
opacity:.5
}
@media(min-width:840px) {
.btn:hover {
opacity:.32
}
.btn--bright:hover {
opacity:.75
}
}.btn svg {
display:block;
margin:auto
}
.credits {
margin-top:auto;
margin-bottom:10px;
padding-top:6px;
font-size:.8em;
opacity:.75
}
.credits a {
color:rgba(255,255,255,0.5);
text-decoration:none
}
.credits a:hover,.credits a:active {
color:rgba(255,255,255,0.75);
text-decoration:underline
}
.help-modal {
display:flex;
justify-content:center;
align-items:center;
position:fixed;
top:0;
bottom:0;
left:0;
right:0;
visibility:hidden;
transition-property:visibility;
transition-duration:.25s
}
.help-modal__overlay {
position:absolute;
top:0;
bottom:0;
left:0;
right:0;
opacity:0;
transition-property:opacity;
transition-timing-function:ease-in;
transition-duration:.25s
}
.help-modal__dialog {
display:flex;
flex-direction:column;
align-items:center;
max-width:400px;
max-height:calc(100vh - 100px);
margin:10px;
padding:20px;
border-radius:.3em;
background-color:rgba(0,0,0,0.4);
opacity:0;
transform:scale(0.9,0.9);
transition-property:opacity,transform;
transition-timing-function:ease-in;
transition-duration:.25s
}
@media(min-width:840px) {
.help-modal__dialog {
font-size:1.25rem;
max-width:500px
}
}.help-modal__header {
font-size:1.75em;
text-transform:uppercase;
text-align:center
}
.help-modal__body {
overflow-y:auto;
-webkit-overflow-scrolling:touch;
margin:1em 0;
padding:1em 0;
border-top:1px solid rgba(255,255,255,0.25);
border-bottom:1px solid rgba(255,255,255,0.25);
line-height:1.5;
color:rgba(255,255,255,0.75)
}
.help-modal__close-btn {
flex-shrink:0;
outline:0;
border:0;
border-radius:2px;
padding:.25em .75em;
margin-top:.36em;
font-family:"Russo One",arial,sans-serif;
font-size:1em;
color:rgba(255,255,255,0.5);
text-transform:uppercase;
letter-spacing:.06em;
background-color:rgba(255,255,255,0.25);
transition:color .3s,background-color .3s
}
.help-modal__close-btn:hover,.help-modal__close-btn:active,.help-modal__close-btn:focus {
color:#FFF;
background-color:#09F
}
.help-modal.active {
visibility:visible;
transition-duration:.4s
}
.help-modal.active .help-modal__overlay {
opacity:1;
transition-timing-function:ease-out;
transition-duration:.4s
}
.help-modal.active .help-modal__dialog {
opacity:1;
transform:scale(1,1);
transition-timing-function:ease-out;
transition-duration:.4s
}
</style>
</head>
<body>
<div style="height: 0; width: 0; position: absolute; visibility: hidden;"><svg xmlns="http://www.w3.org/2000/svg"><symbol id="icon-play" viewBox="0 0 24 24"><path d="M8 5v14l11-7z" /></symbol><symbol id="icon-pause" viewBox="0 0 24 24"><path d="M6 19h4V5H6v14zm8-14v14h4V5h-4z" /></symbol><symbol id="icon-close" viewBox="0 0 24 24"><path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z" /></symbol><symbol id="icon-settings" viewBox="0 0 24 24"><path d="M19.43 12.98c.04-.32.07-.64.07-.98s-.03-.66-.07-.98l2.11-1.65c.19-.15.24-.42.12-.64l-2-3.46c-.12-.22-.39-.3-.61-.22l-2.49 1c-.52-.4-1.08-.73-1.69-.98l-.38-2.65C14.46 2.18 14.25 2 14 2h-4c-.25 0-.46.18-.49.42l-.38 2.65c-.61.25-1.17.59-1.69.98l-2.49-1c-.23-.09-.49 0-.61.22l-2 3.46c-.13.22-.07.49.12.64l2.11 1.65c-.04.32-.07.65-.07.98s.03.66.07.98l-2.11 1.65c-.19.15-.24.42-.12.64l2 3.46c.12.22.39.3.61.22l2.49-1c.52.4 1.08.73 1.69.98l.38 2.65c.03.24.24.42.49.42h4c.25 0 .46-.18.49-.42l.38-2.65c.61-.25 1.17-.59 1.69-.98l2.49 1c.23.09.49 0 .61-.22l2-3.46c.12-.22.07-.49-.12-.64l-2.11-1.65zM12 15.5c-1.93 0-3.5-1.57-3.5-3.5s1.57-3.5 3.5-3.5 3.5 1.57 3.5 3.5-1.57 3.5-3.5 3.5z" /></symbol><symbol id="icon-sound-on" viewBox="0 0 24 24"><path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02zM14 3.23v2.06c2.89.86 5 3.54 5 6.71s-2.11 5.85-5 6.71v2.06c4.01-.91 7-4.49 7-8.77s-2.99-7.86-7-8.77z" /></symbol><symbol id="icon-sound-off" viewBox="0 0 24 24"><path d="M16.5 12c0-1.77-1.02-3.29-2.5-4.03v2.21l2.45 2.45c.03-.2.05-.41.05-.63zm2.5 0c0 .94-.2 1.82-.54 2.64l1.51 1.51C20.63 14.91 21 13.5 21 12c0-4.28-2.99-7.86-7-8.77v2.06c2.89.86 5 3.54 5 6.71zM4.27 3L3 4.27 7.73 9H3v6h4l5 5v-6.73l4.25 4.25c-.67.52-1.42.93-2.25 1.18v2.06c1.38-.31 2.63-.95 3.69-1.81L19.73 21 21 19.73l-9-9L4.27 3zM12 4L9.91 6.09 12 8.18V4z" /></symbol></svg></div>
<!-- App -->
<div class="container">
<div class="loading-init">
<div class="loading-init__header">Loading</div>
<div class="loading-init__status">Assembling Shells</div>
</div>
<div class="stage-container remove">
<div class="canvas-container"><canvas id="trails-canvas"></canvas><canvas id="main-canvas"></canvas></div>
<div class="controls">
<div class="btn pause-btn"><svg fill="white" width="24" height="24"><use href="#icon-pause" xlink:href="#icon-pause"></use></svg></div>
<div class="btn sound-btn"><svg fill="white" width="24" height="24"><use href="#icon-sound-off" xlink:href="#icon-sound-off"></use></svg></div>
<div class="btn settings-btn"><svg fill="white" width="24" height="24"><use href="#icon-settings" xlink:href="#icon-settings"></use></svg></div>
</div>
<div class="menu hide">
<div class="menu__inner-wrap">
<div class="btn btn--bright close-menu-btn"><svg fill="white" width="24" height="24"><use href="#icon-close" xlink:href="#icon-close"></use></svg></div>
<div class="menu__header">Settings</div>
<div class="menu__subheader">For more info,click any label.</div>
<form>
<div class="form-option form-option--select"><label class="shell-type-label">Shell Type</label><select class="shell-type"></select></div>
<div class="form-option form-option--select"><label class="shell-size-label">Shell Size</label><select class="shell-size"></select></div>
<div class="form-option form-option--select"><label class="quality-ui-label">Quality</label><select class="quality-ui"></select></div>
<div class="form-option form-option--select"><label class="sky-lighting-label">Sky Lighting</label><select class="sky-lighting"></select></div>
<div class="form-option form-option--select"><label class="scaleFactor-label">Scale</label><select class="scaleFactor"></select></div>
<div class="form-option form-option--checkbox"><label class="auto-launch-label">Auto Fire</label><input class="auto-launch" type="checkbox" /></div>
<div class="form-option form-option--checkbox form-option--finale-mode"><label class="finale-mode-label">Finale Mode</label><input class="finale-mode" type="checkbox" /></div>
<div class="form-option form-option--checkbox"><label class="hide-controls-label">Hide Controls</label><input class="hide-controls" type="checkbox" /></div>
<div class="form-option form-option--checkbox form-option--fullscreen"><label class="fullscreen-label">Fullscreen</label><input class="fullscreen" type="checkbox" /></div>
<div class="form-option form-option--checkbox"><label class="long-exposure-label">Open Shutter</label><input class="long-exposure" type="checkbox" /></div>
</form>
<div class="credits">Passionately built by <a href="http://www.bootstrap.com" target="_blank">Caleb Miller</a>. </div>
</div>
</div>
</div>
<div class="help-modal">
<div class="help-modal__overlay"></div>
<div class="help-modal__dialog">
<div class="help-modal__header"></div>
<div class="help-modal__body"></div><button type="button" class="help-modal__close-btn">Close</button></div>
</div>
</div>
<!-- partial -->
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/fscreen.1.0.1.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/Stage.0.1.4.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/MyMath.js"></script>
<script>
// This is a prime example of what starts out as a simple project
// and snowballs way beyond its intended size. It's a little clunky
// reading/working on this single file, but here it is anyways :)
const IS_MOBILE = window.innerWidth <= 640;
const IS_DESKTOP = window.innerWidth > 800;
const IS_HEADER = IS_DESKTOP && window.innerHeight < 300;
// Detect high end devices. This will be a moving target.
const IS_HIGH_END_DEVICE = (() => {
const hwConcurrency = navigator.hardwareConcurrency;
if (!hwConcurrency) {
return false;
}
// Large screens indicate a full size computer, which often have hyper threading these days.
// So a quad core desktop machine has 8 cores. We'll place a higher min threshold there.
const minCount = window.innerWidth <= 1024 ? 4 : 8;
return hwConcurrency >= minCount;
})();
// Prevent canvases from getting too large on ridiculous screen sizes.
// 8K - can restrict this if needed
const MAX_WIDTH = 7680;
const MAX_HEIGHT = 4320;
const GRAVITY = 0.9; // Acceleration in px/s
let simSpeed = 1;
function getDefaultScaleFactor() {
if (IS_MOBILE) return 0.9;
if (IS_HEADER) return 0.75;
return 1;
}
// Width/height values that.........完整代码请登录后点击上方下载按钮下载查看
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