原生js实现动态螺纹旋转交互旋转canvas动画效果代码-html代码-BFW代码库

原生js实现动态螺纹旋转交互旋转canvas动画效果代码

代码语言：html

所属分类：动画

代码描述：原生js实现动态螺纹旋转交互旋转canvas动画效果代码

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 {
	position: absolute;
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	overflow: hidden;
	background: #000;
	touch-action: none;
}

canvas {
	position: absolute;
	width: 100%;
	height: 100%;
	background: hsl(193, 86%, 10%);
	cursor: crosshair;
}
</style>



</head>

<body translate="no" >
  <canvas></canvas>

  
      <script>
"use strict";

// adapted from http://fluid.nl/content/designengaged/index.htm

///////////////////////////////////////////////////////////

const canvas = {
  init() {
    this.elem = document.querySelector("canvas");
    this.resize();
    window.addEventListener("resize", () => this.resize(), false);
    return this.elem.getContext("2d");
  },
  resize() {
    this.width = this.elem.width = this.elem.offsetWidth;
    this.height = this.elem.height = this.elem.offsetHeight;
    this.centerX = this.width / 2;
    this.centerY = this.height / 2;
    this.size = 1.25 * Math.sqrt(this.width * this.width + this.height * this.height);
  },
  clear() {
    ctx.clearRect(0, 0, this.width, this.height);
  } };


///////////////////////////////////////////////////////////

const pointer = {
  x: 0,
  y: 0,
  init(x, y) {
    window.addEventListener("pointermove", e => this.move(e), false);
    this.x = canvas.centerX;
    this.y = can.........完整代码请登录后点击上方下载按钮下载查看