canvas线条发散动画效果代码
代码语言:html
所属分类:动画
代码描述:canvas线条发散动画效果代码
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">
</head>
<body translate="no">
<script >
////////////////////////////////////////////////////////////////////////////////
console.clear();
let canvas, canvasCtx;
let canvasSize = [0, 0],scale = 1;
let state;
requestAnimationFrame(main);
////////////////////////////////////////////////////////////////////////////////
function main() {
canvas = document.createElement('canvas');
document.body.appendChild(canvas);
document.body.style.margin = '0';
canvas.style.display = 'block';
canvasCtx = canvas.getContext('2d');
checkResizeAndInit();
state = createState();
requestAnimationFrame(mainLoop);
function mainLoop() {
tick();
requestAnimationFrame(mainLoop);
}
}
function createState() {
const state = {
time: 0,
timeDelta: 1 / 60,
pointers: [
{
pos: [
canvasSize[0] / 2,
canvasSize[1] / 2 + 128],
vel: [640, 8],
color: '#00ff00',
n: 15 },
{
pos: [
canvasSize[0] / 2,
canvasSize[1] / 2 + 128],
vel: [640, 8],
color: '#ffff00',
n: 13 },
{
pos: [
canvasSize[0] / 2,
canvasSize[1] / 2 + 128],
vel: [640, 8],
color: '#ff7f00',
n: 11 }] };
retu.........完整代码请登录后点击上方下载按钮下载查看
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