js实现canvas橙色方块滑动背景动画效果代码-html代码-BFW代码库

js实现canvas橙色方块滑动背景动画效果代码

代码语言：html

所属分类：背景

代码描述：js实现canvas橙色方块滑动背景动画效果代码

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>


</head>
<body>

<canvas></canvas>

<script >
    console.clear();

const canvas = document.querySelector("canvas");
const context = canvas.getContext("2d");
canvas.height = window.innerHeight * 2;
canvas.width = window.innerWidth * 2;

const deg = 13;
const thetaA = Math.PI * (360 - deg) / 180.0;
const thetaB = Math.PI * deg / 180.0;
const cosA = Math.cos(thetaA);
const sinA = Math.sin(thetaA);
const cosB = Math.cos(thetaB);
const sinB = Math.sin(thetaB);

class Pane {
  constructor() {
    this.direction = Streak.generateDirection();
    this.speed = Streak.generateSpeed();
    this.radiusA = Streak.generateRadius();
    this.radiusB = Streak.generateRadius();
    this.y1 = Streak.generateY();
    this.x1 = this.direction === 1 ? -canvas.width : canvas.width;
    this.cosA = this.direction === 1 ? cosA : cosB;
    this.sin.........完整代码请登录后点击上方下载按钮下载查看