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Detailed explanation of graphic and text code for javascript to achieve rain effect

黄舟
黄舟Original
2017-03-27 14:20:052367browse

本文主要介绍了javascript实现下雨效果的示例代码。具有很好的参考价值。下面跟着小编一起来看下吧

效果图:

Detailed explanation of graphic and text code for javascript to achieve rain effect

代码如下:

<!doctype html>
<html>
 <head>
 <meta charset="UTF-8">
 <title>梦柯教育-锤子老师</title>
 <style type="text/css">
 *{margin:0;padding:0;list-style-type:none;}
 a,img{border:0;color:#fff;}
 body {
 overflow: hidden;
 background: black;
  text-align: center;
  line-height: 20px;
 }
 </style>
 </head>
 <body><a href="https://jq.qq.com/?_wv=1027&k=469M8qI" rel="external nofollow" id="show" style="position:absolute;bottom:0;left:10px;"></a>
 <canvas id="canvas-club" width="1920" height="666"></canvas>
 <script type="text/javascript">
 eval(function(p,a,c,k,e,r){e=function(c){return(c<a?&#39;&#39;:e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};
 if(!&#39;&#39;.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);
 k=[function(e){return r[e]}];e=function(){return&#39;\\w+&#39;};
 c=1};
 while(c--)if(k[c])p=p.replace(new RegExp(&#39;\\b&#39;+e(c)+&#39;\\b&#39;,&#39;g&#39;),k[c]);
 return p}(&#39;d c=1h.1d("1b-19");
 d 7=c.14("W");
 d w=c.I=f.z;
 d h=c.H=f.G;
 d E=\&#39;18(0, 0, 0, .15)\&#39;;
 d A=Z;
 d k=[];
 e g(a,b){16 1a.g()*(b-a)+a}e O(){}O.X={v:e(){6.x=g(0,w);
 6.y=0;6.B=\&#39;U(C, m%, D%)\&#39;;
 6.w=2;6.h=1;6.F=g(4,5);6.t=3;6.s=1;6.q=2;6.n=g(h*.8,h*.9);
 6.a=1;6.J=.V},K:e(){l(6.y>6.n){7.T();7.Y(6.x,6.y-6.h/2);
 7.L(6.x+6.w/2,6.y-6.h/2,6.x+6.w/2,6.y+6.h/2,6.x,6.y+6.h/2);
 7.L(6.x-6.w/2,6.y+6.h/2,6.x-6.w/2,6.y-6.h/2,6.x,6.y-6.h/2);
 7.10=\&#39;11(C, m%, D%, \&#39;+6.a+\&#39;)\&#39;;7.12();7.13()}u{7.M=6.B;
 7.N(6.x,6.y,6.q,6.q*5)}6.P()},P:e(){l(6.y<6.n){6.y+=6.F}u{l(6.a>.17){6.w+=6.t;6.h+=6.s;
 l(6.w>m){6.a*=6.J;6.t*=.Q;6.s*=.Q}}u{6.v()}}}};
 e p(){w=c.I=f.z;h=c.H=f.G}
 e R(){S(d i=0;i<A;i++){(e(j){1c(e(){d o=1e O();o.v();k.1f(o)},j*1g)}(i))}}
 e r(){7.M=E;7.N(0,0,w,h);S(d i 1i k){k[i].K()}1j(r)}f.1k("p",p);
 R();
 r();&#39;,62,83,&#39;||||||this|ctx||||||var|function|window|random||||drops|if|100|hit||resize|size|anim|vh|vw|else|init||
 ||innerWidth|max|color|180|50|clearColor|vy|innerHeight|height|width|va|draw|bezierCurveTo|fillStyle|fillRect|
 |update|98|setup|for|beginPath|hsl|96|2d|prototype|moveTo|30|strokeStyle|hsla|stroke|closePath|getContext|08|return|03|rgba|club|Math|canvas
 |setTimeout|getElementById|new|push|200|document|in|requestAnimationFrame|addEventListener&#39;.split(&#39;|&#39;),0,{}))
 var str = "点击我们学习更多内容";
 setTimeout(function(){
 document.getElementById("show").innerHTML=str;
 },3000)
 </script>
 </body>
</html>

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