canvas手扇镶嵌背景效果代码-html代码-BFW代码库

canvas手扇镶嵌背景效果代码

代码语言：html

所属分类：背景

代码描述：canvas手扇镶嵌背景效果代码

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>
body, html {
  margin: 0;
}

canvas {
  display: block;
  cursor: pointer;
}
</style>




</head>

<body>
  <canvas id="canvas"></canvas>

  
      <script>
/*
  Johan Karlsson, 2020
  https://twitter.com/DonKarlssonSan
  MIT License, see Details View
*/

let canvas;
let ctx;
let w, h;

function setup() {
  canvas = document.querySelector("#canvas");
  ctx = canvas.getContext("2d");
  resize();
  window.addEventListener("resize", () => {
    resize();
    draw();
  });
  canvas.addEventListener("click", draw);
}

function resize() {
  w = canvas.width = window.innerWidth;
  h = canvas.height = window.innerHeight;
}

function drawCircles(x, y, r, angle) {
  ctx.save();
  ctx.translate(x, y);
  ctx.rotate(angle);
  ctx.beginPath();
  ctx.arc(0, 0, r, 0, Math.PI, true);
  ctx.arc(-r, r, r, Mat.........完整代码请登录后点击上方下载按钮下载查看