新年快乐祝福动画效果-html代码-BFW代码库

代码语言：html
所属分类：动画
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">

    <style>
@import url(https://fonts.googleapis.com/css?family=Roboto:400,300);

        body {
            text-align: center;
            background: #222;
            color: #fff;
            background-image: url("http://repo.bfw.wiki/bfwrepo/image/5e0404c255106.png");
            background-size: cover;
        }

        h1 {
            font-family: 'Lobster Two', cursive;
            font-weight: 300;
            font-size: 100px;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%,-50%);
            margin: 0;
            width: 100%;
        }

        .visually-hidden {
            position: absolute;
            overflow: hidden;
            clip: rect(0 0 0 0);
            height: 1px;
            width: 1px;
            margin: -1px;
            padding: 0;
            border: 0;
        }

        /* code for animated blinking cursor */
        .typed-cursor {
            opacity: 1;
            font-weight: 100;
            animation: blink 0.7s infinite;
        }

@keyframes blink {
            0% {
                opacity: 1;
            }
            50% {
                opacity: 0;
            }
            100% {
                opacity: 1;
            }
        }

        /*MEDIA QUERY*/
@media only screen and (max-width: 715px) {
            h1 {
                font-size: 70px;
            }
        }

@media only screen and (max-width: 500px) {
            h1 {
                font-size: 50px;
            }
        }
    </style>

</head>
<body translate="no">
    <div class="type-wrap">
        <h1>
            <span class="visually-hidden">Merry Christmas and a happy new year!</span>
            <span role="presentation" aria-hidden="true"></span>
        </h1>
    </div>
    <script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>
    <script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/typed.1.1.4.js"></script>


    <script>
        $(".type-wrap span:last").typed({
            strings: ["<strong>新 年 快 乐!</strong></br><strong>万 事 如 意!</strong>"],
            typeSpeed: 200,
            loop: false,
            contentType: 'html'
        });


        /*SNOW*/

        /** @license
        * DHTML Snowstorm! JavaScript-based snow for web pages
        * Making it snow on the internets since 2003. You're welcome.
        * -----------------------------------------------------------
        * Version 1.44.20131208 (Previous rev: 1.44.20131125)
        * Copyright (c) 2007, Scott Schiller. All rights reserved.
        * Code provided under the BSD License
        * http://schillmania.com/projects/snowstorm/license.txt
        */

        /*jslint nomen: true, plusplus: true, sloppy: true, vars: true, white: true */
        /*global window, document, navigator, clearInterval, setInterval */

        var snowStorm = (function(window, document) {

            // --- common properties ---

            this.autoStart = true; // Whether the snow should start automatically or not.
            this.excludeMobile = true; // Snow is likely to be bad news for mobile phones' CPUs (and batteries.) Enable at your own risk.
            this.flakesMax = 200; // Limit total amount of snow made (falling + sticking)
            this.flakesMaxActive = 100; // Limit amount of snow falling at once (less = lower CPU use)
            this.animationInterval = 25; // Theoretical "miliseconds per frame" measurement. 20 = fast + smooth, but high CPU use. 50 = more conservative, but slower
            this.useGPU = true; // Enable transform-based hardware acceleration, reduce CPU load.
            this.className = null; // CSS class name for further customization on snow elements
            this.excludeMobile = true; // Snow is likely to be bad news for mobile phones' CPUs (and batteries.) By default, be nice.
            this.flakeBottom = null; // Integer for Y axis snow limit, 0 or null for "full-screen" snow effect
            this.followMouse = true; // Snow movement can respond to the user's mouse
            this.snowColor = '#fff'; // Don't eat (or use?) yellow snow.
            this.snowCharacter = '&bull;'; // &bull; = bullet, &middot; is square on some systems etc.
            this.snowStick = true; // Whether or not snow should "stick" at the bottom. When off, will never collect.
            this.targetElement = null; // element which snow will be appended to (null = document.body) - can be an element ID eg. 'myDiv', or a DOM node reference
            this.useMeltEffect = true; // When recycling fallen snow (or rarely, when falling), have it "melt" and fade out if browser supports it
            this.useTwinkleEffect = false; // Allow snow to randomly "flicker" in and out of view while falling
            this.usePositionFixed = false; // true = snow does not shift vertically when scrolling. May increase CPU load, disabled by default - if enabled, used only where supported
            this.usePixelPosition = false; // Whether to use pixel values for snow top/left vs. percentages. Auto-enabled if body is position:relative or targetElement is specified.

            // --- less-used bits ---

            this.freezeOnBlur = true; // Only snow when the window is in focus (foreground.) Saves CPU.
            this.flakeLeftOffset = 0; // Left margin/gutter space on edge of container (eg. browser window.) Bump up these values if seeing horizontal scrollbars.
            this.flakeRightOffset = 0; // Right margin/gutter space on edge of container
            this.flakeWidth = 10; // Max pixel width reserved for snow element
            this.flakeHeight = 10; // Max pixel height reserved for snow element
            this.vMaxX = 5; // Maximum X velocity range for snow
            this.vMaxY = 4; // Maximum Y velocity range for snow
            this.zIndex = 0; // CSS stacking order applied to each snowflake

            // --- "No user-serviceable parts inside" past this point, yadda yadda ---

            var storm = this,
            features,
            // UA sniffing and backCompat rendering mode checks for fixed position, etc.
            isIE = navigator.userAgent.match(/msie/i),
            isIE6 = navigator.userAgent.match(/msie 6/i),
            isMobile = navigator.userAgent.match(/mobile|opera m(ob|in)/i),
            isBackCompatIE = (isIE && document.compatMode === 'BackCompat'),
            noFixed = (isBackCompatIE || isIE6),
            screenX = null, screenX2 = null, screenY = null, scrollY = null, docHeight = null, vRndX = null, vRndY = null,
            windOffset = 1,
            windMultiplier = 2,
            flakeTypes = 6,
            fixedForEverything = false,
            targetElementIsRelative = false,
            opacitySupported = (function() {
                try {
                    document.createElement('div').style.opacity = '0.5';
                } catch(e) {
                    return false;
                }
                return true;
            }()),
            didInit = false,
            docFrag = document.createDocumentFragment();

            features = (function() {

                var getAnimationFrame;

                /**
                * hat tip: paul irish
                * http://paulirish.com/2011/requestanimationframe-for-smart-animating/
                * https://gist.github.com/838785
                */

                function timeoutShim(callback) {
                    window.setTimeout(callback, 1000/(storm.animationInterval || 20));
                }

                var _animationFrame = (window.requestAnimationFrame ||
                    window.webkitRequestAnimationFrame ||
                    window.mozRequestAnimationFrame ||
                    window.oRequestAnimationFrame ||
                    window.msRequestAnimationFrame ||
                    timeoutShim);

                // apply to window, avoid "illegal invocation" errors in Chrome
                getAnimationFrame = _animationFrame ? function() {
                    return _animationFrame.apply(window, arguments);
                }: null;

                var testDiv;

                testDiv = document.createElement('div');

                function has(prop) {

                    // test for feature support
                    var result = testDiv.style[prop];
                    return (result !== undefined ? prop: null);

                }

                // note local scope.
                var localFeatures = {

                    transform: {
                        ie: has('-ms-transform'),
                        moz: has('MozTransform'),
                        opera: has('OTransform'),
                        webkit: has('webkitTransform'),
                        w3: has('transform'),
                        prop: null // the normalized property value
                    },

                    getAnimationFrame: getAnimationFrame

                };

                localFeatures.transform.prop = (
                    localFeatures.transform.w3 ||
                    localFeatures.transform.moz ||
                    localFeatures.transform.webkit ||
                    localFeatures.transform.ie ||
                    localFeatures.transform.opera
                );

                testDiv = null;

                return localFeatures;

            }());

            this.timer = null;
            this.flakes = [];
            this.disabled = false;
            this.active = false;
            this.meltFrameCount = 20;
            this.meltFrames = [];

            this.setXY = function(o, x, y) {

                if (!o) {
                    return false;
                }

                if (storm.usePixelPosition || targetElementIsRelative) {

                    o.style.left = (x - storm.flakeWidth) + 'px';
                    o.style.top = (y - storm.flakeHeight) + 'px';

                } else if (noFixed) {

                    o.style.right = (100-(x/screenX*100)) + '%';
                    // avoid creating vertical scrollbars
                    o.style.top = (Math.min(y, docHeight-storm.flakeHeight)) + 'px';

                } else {

             .........完整代码请登录后点击上方下载按钮下载查看