lumix lumixraku

Please consider using http://lygia.xyz instead of copy/pasting this functions. It expand suport for voronoi, voronoise, fbm, noise, worley, noise, derivatives and much more, through simple file dependencies. Take a look to https://github.com/patriciogonzalezvivo/lygia/tree/main/generative

Generic 1,2,3 Noise

float rand(float n){return fract(sin(n) * 43758.5453123);}

float noise(float p){
	float fl = floor(p);
  float fc = fract(p);

	<!DOCTYPE html>
	<html lang="en">

	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>上下分层提高 Canvas 书写性能</title>
	<style>
	body,
	html {

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Document</title>
	</head>

	<body>
	<img hidden id="img" src="" />

	const blob = new Blob([skiaImage.encodeToBytes()], { type: 'image/png' })
	const imageUrl = URL.createObjectURL(blob);
	const img = new Image();
	img.src = imageUrl;
	document.body.appendChild(img)

	// 运用正则去掉空格
	' s123s'.replace(/^(\s)(.+)(\s)$/, '$2')

	// 日期操作
	const dataPattern = (str, format = '-') => {
	if (!str) {
	return new Date()
	}
	const dateReg = new RegExp(`^(\\d{2})${format}(\\d{2})${format}(\\d{4})$`)
	const [, month, day, year] = dateReg.exec(str)

	const curring = fn => {
	const { length } = fn
	const curried = (...args) => {
	return (args.length >= length
	? fn(...args)
	: (...args2) => curried(...args.concat(args2)))
	}
	return curried
	}

	const listChunk = (list, size = 1, cacheList = []) => {
	const tmp = [...list]
	if (size <= 0) {
	return cacheList
	}
	while (tmp.length) {
	cacheList.push(tmp.splice(0, size))
	}
	return cacheList
	}