canvas实现鼠标点线跟随交互效果代码-html代码-BFW代码库

canvas实现鼠标点线跟随交互效果代码

代码语言：html

所属分类：其他

代码描述：canvas实现鼠标点线跟随交互效果代码

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>
/*
global
*/
*, *::before, *::after {
		margin: 0;
		padding: 0;
		border: 0;
		box-sizing: border-box;
}

*:focus {
		outline: none;
}

body {
		display: flex;
		align-items: center;
		justify-content: center;
		height: 100vh;
		background: radial-gradient(#333333, #000000);
		overflow: hidden;
}

canvas {
		touch-action: none;
}
</style>

  
  
  
</head>

<body translate="no">
  
  
      <script >
//---

'use strict';

//---

console.clear();

//---

let w = 0;
let h = 0;

let animationFrame = null;
let isTouchDevice = false;

const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');

let imageData = null;
let data = null;

const center = { x: w / 2, y: h / 2 };
const border = { left: 1, top: 1, right: w, bottom: h };

let pointerPos = { x: center.x, y: center.y };
let pointerDown = false;
let pointerMoveTimeout;

const pointerMoveTimeoutTime = 2500;

//---

const dotColorR = 25;
const dotColorG = 155;
const dotColorB = 200;
const dotColorA = 255;
const dotsRadius = 4;
const dotsDistance = 10;
const dotsDiameter = dotsRadius * 2;
const dotsSpeed = 10;
const dotsWobbleFactor = 0.95;
const dotsWobbleSpeed = .........完整代码请登录后点击上方下载按钮下载查看