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  • JS 博客园鼠标点击效果

    <!-- 爱心特效 -->
    <script type="text/javascript">
    
    (function(window,document,undefined){
            var hearts = [];
            window.requestAnimationFrame = (function(){
                    return window.requestAnimationFrame || 
                               window.webkitRequestAnimationFrame ||
                               window.mozRequestAnimationFrame ||
                               window.oRequestAnimationFrame ||
                               window.msRequestAnimationFrame ||
                               function (callback){
                                       setTimeout(callback,1000/60);
                               }
            })();
            init();
            function init(){
                    css(".heart{ 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: ''; inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: absolute;}.heart:after{top: -5px;}.heart:before{left: -5px;}");
                    attachEvent();
                    gameloop();
            }
            function gameloop(){
                    for(var i=0;i<hearts.length;i++){
                        if(hearts[i].alpha <=0){
                                document.body.removeChild(hearts[i].el);
                                hearts.splice(i,1);
                                continue;
                        }
                        hearts[i].y--;
                        hearts[i].scale += 0.004;
                        hearts[i].alpha -= 0.013;
                        hearts[i].el.style.cssText = "left:"+hearts[i].x+"px;top:"+hearts[i].y+"px;opacity:"+hearts[i].alpha+";transform:scale("+hearts[i].scale+","+hearts[i].scale+") rotate(45deg);background:"+hearts[i].color;
                }
                requestAnimationFrame(gameloop);
            }
            function attachEvent(){
                    var old = typeof window.onclick==="function" && window.onclick;
                    window.onclick = function(event){
                            old && old();
                            createHeart(event);
                    }
            }
            function createHeart(event){
                var d = document.createElement("div");
                d.className = "heart";
                hearts.push({
                        el : d,
                        x : event.clientX - 5,
                        y : event.clientY - 5,
                        scale : 1,
                        alpha : 1,
                        color : randomColor()
                });
                document.body.appendChild(d);
        }
        function css(css){
                var style = document.createElement("style");
                    style.type="text/css";
                    try{
                        style.appendChild(document.createTextNode(css));
                    }catch(ex){
                        style.styleSheet.cssText = css;
                    }
                    document.getElementsByTagName('head')[0].appendChild(style);
        }
            function randomColor(){
                    return "rgb("+(~~(Math.random()*255))+","+(~~(Math.random()*255))+","+(~~(Math.random()*255))+")";
            }
    })(window,document);
    
    </script>

    -----转载于https://www.cnblogs.com/rianbowymail/p/9020473.html

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  • 原文地址:https://www.cnblogs.com/Frank-dev-blog/p/9409441.html
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