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這篇文章給大家分享的是有關jQuery如何實現(xiàn)炫麗的3d旋轉星空效果的內(nèi)容。小編覺得挺實用的,因此分享給大家做個參考,一起跟隨小編過來看看吧。
該特效也是在Jquery插件庫中找到的,感覺效果不錯,說不定以后項目中要有絢麗的星空背景,拿來即用,收藏了下。
下載解壓后的目錄結構
index.html頁面代碼:
<!doctype html> <html lang="zh"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>jQuery和CSS3超絢麗的3D星空動畫特效</title> <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script> <style class="cp-pen-styles">body { background: radial-gradient(200% 100% at bottom center, #0070aa, #0b2570, #000035, #000); background: radial-gradient(220% 105% at top center, #000 10%, #000035 40%, #0b2570 65%, #0070aa); background-attachment: fixed; overflow: hidden; } @keyframes rotate { 0% { transform: perspective(400px) rotateZ(20deg) rotateX(-40deg) rotateY(0); } 100% { transform: perspective(400px) rotateZ(20deg) rotateX(-40deg) rotateY(-360deg); } } .stars { transform: perspective(500px); transform-style: preserve-3d; position: absolute; bottom: 0; perspective-origin: 50% 100%; left: 50%; animation: rotate 90s infinite linear; } .star { width: 2px; height: 2px; background: #F7F7B6; position: absolute; top: 0; left: 0; transform-origin: 0 0 -300px; transform: translate3d(0, 0, -300px); backface-visibility: hidden; } </style> </head> <body> <div class="stars"> </div> <script src='js/stopExecutionOnTimeout.js'></script> <script> $(document).ready(function () { var stars = 800; var $stars = $('.stars'); var r = 800; for (var i = 0; i < stars; i++) { if (window.CP.shouldStopExecution(1)) { break; } var $star = $('<div/>').addClass('star'); $stars.append($star); } window.CP.exitedLoop(1); $('.star').each(function () { var cur = $(this); var s = 0.2 + Math.random() * 1; var curR = r + Math.random() * 300; cur.css({ transformOrigin: '0 0 ' + curR + 'px', transform: ' translate3d(0,0,-' + curR + 'px) rotateY(' + Math.random() * 360 + 'deg) rotateX(' + Math.random() * -50 + 'deg) scale(' + s + ',' + s + ')' }); }); }); </script> </body> </html>
運行的效果如下:
其中stopExecutionOnTimeout.js如下:
"use strict";"object"!=typeof window.CP&&(window.CP={}),window.CP.PenTimer={programNoLongerBeingMonitored:!1,timeOfFirstCallToShouldStopLoop:0,_loopExits:{},_loopTimers:{},START_MONITORING_AFTER:2e3,STOP_ALL_MONITORING_TIMEOUT:5e3,MAX_TIME_IN_LOOP_WO_EXIT:2200,exitedLoop:function(o){this._loopExits[o]=!0},shouldStopLoop:function(o){if(this.programKilledSoStopMonitoring)return!0;if(this.programNoLongerBeingMonitored)return!1;if(this._loopExits[o])return!1;var t=this._getTime();if(0===this.timeOfFirstCallToShouldStopLoop)return this.timeOfFirstCallToShouldStopLoop=t,!1;var i=t-this.timeOfFirstCallToShouldStopLoop;if(i<this.START_MONITORING_AFTER)return!1;if(i>this.STOP_ALL_MONITORING_TIMEOUT)return this.programNoLongerBeingMonitored=!0,!1;try{this._checkOnInfiniteLoop(o,t)}catch(n){return this._sendErrorMessageToEditor(),this.programKilledSoStopMonitoring=!0,!0}return!1},_sendErrorMessageToEditor:function(){try{if(this._shouldPostMessage()){var o={action:"infinite-loop",line:this._findAroundLineNumber()};parent.postMessage(JSON.stringify(o),"*")}else this._throwAnErrorToStopPen()}catch(t){this._throwAnErrorToStopPen()}},_shouldPostMessage:function(){return document.location.href.match(/boomerang/)},_throwAnErrorToStopPen:function(){throw"We found an infinite loop in your Pen. We've stopped the Pen from running. Please correct it or contact support@codepen.io."},_findAroundLineNumber:function(){var o=new Error,t=0;if(o.stack){var i=o.stack.match(/boomerang\S+:(\d+):\d+/);i&&(t=i[1])}return t},_checkOnInfiniteLoop:function(o,t){if(!this._loopTimers[o])return this._loopTimers[o]=t,!1;var i=t-this._loopTimers[o];if(i>this.MAX_TIME_IN_LOOP_WO_EXIT)throw"Infinite Loop found on loop: "+o},_getTime:function(){return+new Date}},window.CP.shouldStopExecution=function(o){return window.CP.PenTimer.shouldStopLoop(o)},window.CP.exitedLoop=function(o){window.CP.PenTimer.exitedLoop(o)};
效果還是挺不錯的,你可以改變背景顏色等等定制。
jquery是一個簡潔而快速的JavaScript庫,它具有獨特的鏈式語法和短小清晰的多功能接口、高效靈活的css選擇器,并且可對CSS選擇器進行擴展、擁有便捷的插件擴展機制和豐富的插件,是繼Prototype之后又一個優(yōu)秀的JavaScript代碼庫,能夠用于簡化事件處理、HTML文檔遍歷、Ajax交互和動畫,以便快速開發(fā)網(wǎng)站。
感謝各位的閱讀!關于“jQuery如何實現(xiàn)炫麗的3d旋轉星空效果”這篇文章就分享到這里了,希望以上內(nèi)容可以對大家有一定的幫助,讓大家可以學到更多知識,如果覺得文章不錯,可以把它分享出去讓更多的人看到吧!
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