🐉 海威龙分形（折纸龙）Draw a Heighway Fractal

使用说明与常见问题How-to & FAQ

「海威龙分形（折纸龙）」是什么？What is the Draw a Heighway Fractal tool?

绘制海威龙（折纸龙）曲线：经典 L 系统龙形曲线，可调迭代、线宽与颜色，导出 PNG。Draw the Heighway dragon (paper-folding) curve via its classic L-system. Set iterations, line width and colours; export PNG.

如何使用「海威龙分形（折纸龙）」？How do I use the Draw a Heighway Fractal tool?

在「海威龙分形（折纸龙）」中，按需设置「宽度」、「高度」、「边距」、「线宽」、「迭代次数」等选项，然后点击「绘制」、「下载 PNG」按钮即可。Set the canvas "Width" and "Height", the "Padding" around the drawing and the "Line width", choose how many "Iterations" to draw, pick the "Background", "Line" and "Fill" colours, then click "Draw". "Download PNG" saves the picture at the canvas size.

海威龙怎么来的？Where does the Heighway dragon come from?

反复对折纸条再展开，折痕形成的曲线；也可用 L 系统 FX→X+YF+、Y→−FX−Y 生成。It is the crease pattern from repeatedly folding a strip of paper — or the L-system FX→X+YF+, Y→−FX−Y.

和双龙、三角龙有什么关系？How does it relate to twin / triangle dragons?

双龙是两条海威龙拼在一起；三角龙是九折龙变体。本站也有对应工具。The twin dragon joins two Heighway dragons; the triangle dragon is a nine-fold variant. Matching tools are on this site.

有哪些选项可以调整？What options can I adjust?

「海威龙分形（折纸龙）」的设置：「宽度」默认 512，范围 64–2048；「高度」默认 512，范围 64–2048；「边距」默认 20，范围 0–256；「线宽」默认 2，范围 0.5–40；「迭代次数」默认 12，范围 1–16；「背景」默认 #ffffff；「线条」默认 #1e3a8a。改动任一选项后结果会按新设置重新生成。Settings in the Draw a Heighway Fractal — "Width" default 512, range 64–2048; "Height" default 512, range 64–2048; "Padding" default 20, range 0–256; "Line width" default 2, range 0.5–40; "Iterations" default 12, range 1–16; "Background" default #ffffff; "Line" default #1e3a8a. Changing any option regenerates the result with the new setting.

「海威龙分形（折纸龙）」免费吗？需要注册吗？Is the Draw a Heighway Fractal free? Do I need an account?

「海威龙分形（折纸龙）」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Draw a Heighway Fractal is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.