网络编程

JavaScript canvas实现七彩太阳光晕效果(图文)

电脑迷 2021-07-30 22:01:01网络编程

本文实例为大家分享了JavaScript canvas实现七彩太阳光晕效果的具体代码，供大家参考，具体内容如下

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>Document</title>

    <script>

        window.onload=function(){

            var canvas=document.getElementById('canvas');

            var cx=canvas.getContext("2d");

            cx.fillStyle='pink';

            cx.strokeStyle='pink';

            for(var i=0;i<10;i++){

                var g=cx.createLinearGradient(0,0,290,290);

                g.addColorStop(0,'rgba(255,0,0,1)');

                g.addColorStop(0.1,'rgba(255,0,0,0.5)');

                g.addColorStop(0.2,'rgba(255,165,0,0.4)');

                g.addColorStop(0.4,'rgba(205,255,0,0.5)');

                g.addColorStop(0.6,'rgba(230,145,0,0.5)');

                g.addColorStop(0.8,'rgba(0,127,255,0.5)');

                g.addColorStop(0.9,'rgba(100,200,205,0.9)');

                g.addColorStop(1,'rgba(0,255,255,0.5)');;

                cx.fillStyle=g;

                cx.beginPath();

                cx.arc(i*25,i*25,i*10,0,Math.PI*2,true);

                cx.closePath();

                cx.fill();

            }

        }

    </script>

</head>

<body>

    <canvas id="canvas" width="600px" height="600px" style="background-color: #ccc;"></canvas>



</body>

</html>

七彩太阳光晕效果图如下：

点个赞！ ()

云狐网

云狐网

网络编程

JavaScript canvas实现七彩太阳光晕效果(图文)

怎么用JSP统计网站访问人数(图文)

最受欢迎的10款编程开发软件有哪些

更多相关

相关文章