A full moon over a calm night sea, its reflection breaking on the swell.
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Paste two lines into any page, play it in a terminal, or put a GIF in a README. The code follows the look you pick above.
<script type="module" src="https://www.ascii-magic.com/ascii/ascii.js"></script>
<ascii-art piece="moonlit-sea"></ascii-art>// copy moonlit-sea.js and kit.js into your project, then:
import { useEffect, useRef } from "react";
import create from "./moonlit-sea.js";
export function Piece() {
const ref = useRef(null);
useEffect(() => {
const draw = create(), t0 = performance.now();
let raf;
const tick = () => {
const f = draw((performance.now() - t0) / 1000);
ref.current.textContent = f.text ?? f;
raf = requestAnimationFrame(tick);
};
tick();
return () => cancelAnimationFrame(raf);
}, []);
return <pre ref={ref} style={{ lineHeight: 1, fontFamily: "Menlo, Consolas, monospace" }} />;
}npx --yes https://www.ascii-magic.com/ascii/cli.tgz moonlit-sea<!-- Download GIF below, commit it, then: -->
<p align="center">
<img src="assets/moonlit-sea.gif" alt="Moonlit Sea, animated ASCII art" width="720">
</p>Pause on the frame you like, pick a look, then download it at an exact size.
MIT licensed. It imports one small helper file, kit.js.
/* moonlit-sea: a full moon over a slow sea, its reflection breaking on the swell. */
import { Grid, fbm, gradient, palette, KEYS, rng, clamp } from "../lib/kit.js";
const SKY = gradient(["#0e1838", "#24396e", "#4a6aa8", "#8aa6d6"], 10); // 0-9
const SEA = gradient(["#071226", "#123063", "#2c5a9a", "#6b93cc"], 10); // a-j
const MOON = gradient(["#f7e7a8", "#fff8e0"], 4); // k-n
const pal = palette([...SKY, ...SEA, ...MOON, "#dfe8ff"]); // o = star
export const meta = {
slug: "moonlit-sea",
name: "Moonlit Sea",
category: "landscapes",
note: "A full moon over a calm night sea, its reflection breaking on the swell.",
tags: ["night", "ocean", "moon", "wallpaper", "hero"],
cols: 96, rows: 36, fps: 20,
palette: pal,
};
const SHADE = " ░▒▓█";
export default function create() {
const { cols, rows } = meta;
const g = new Grid(cols, rows);
const horizon = Math.floor(rows * 0.56);
const mx = cols * 0.66, my = rows * 0.25, mr = 6.5;
const r = rng(7);
const stars = Array.from({ length: 55 }, () => [Math.floor(r() * cols), Math.floor(r() * (horizon - 6)), r() * 6.28]);
return (t) => {
g.clear();
// sky: a gradient lit around the moon, with slow cloud bands
for (let y = 0; y < horizon; y++) for (let x = 0; x < cols; x++) {
const dm = Math.hypot((x - mx) / 2, y - my);
const glow = Math.exp(-dm / 9);
const cloud = fbm(x * 0.035 + t * 0.04, y * 0.16, 4);
const v = clamp(0.25 + (y / horizon) * 0.35 + glow * 0.5 + (cloud - 0.5) * 0.6);
g.set(x, y, SHADE[1 + Math.min(3, Math.floor(v * 4))], KEYS[Math.min(9, Math.floor(v * 10))]);
}
for (const [sx, sy, ph] of stars) {
const tw = Math.sin(t * 1.6 + ph);
if (tw > 0) g.set(sx, sy, tw > 0.75 ? "*" : "·", "o");
}
// the moon, with a soft limb
for (let y = 0; y < horizon; y++) for (let x = 0; x < cols; x++) {
const d = Math.hypot((x - mx) / mr, (y - my) / (mr * 0.5));
if (d < 1) {
const crater = fbm(x * 0.4, y * 0.8, 2) > 0.62;
g.set(x, y, crater ? "▓" : "█", KEYS[20 + Math.min(3, Math.floor((1 - d) * 4 + (crater ? -1 : 0)))]);
}
}
// the sea: moving swell, darker with depth, a broken moon path down the middle
for (let y = horizon; y < rows; y++) {
const depth = (y - horizon) / (rows - horizon);
for (let x = 0; x < cols; x++) {
const w = fbm(x * 0.07 - t * 0.3, y * 0.6 + t * 0.1, 3);
const beam = Math.exp(-(((x - mx) / (4 + depth * 12)) ** 2));
const glint = beam * (0.55 + 0.45 * Math.sin(t * 2.6 + x * 0.6 + y * 1.3)) * (w > 0.45 ? 1 : 0.4);
if (glint > 0.5) g.set(x, y, glint > 0.78 ? "█" : "▓", KEYS[20 + (glint > 0.78 ? 3 : 1)]);
else {
const v = clamp(0.55 - depth * 0.35 + (w - 0.5) * 0.9);
g.set(x, y, SHADE[1 + Math.min(3, Math.floor(v * 4))], KEYS[10 + Math.min(9, Math.floor(v * 10))]);
}
}
}
return g.frame();
};
}
/YOUR OWN
The pieces here are hand-built animations. To turn your own photo, logo or video into animated ASCII, use the ASCII Magic editor.