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Data update

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Ingy döt Net 2025-02-27 18:35:13 -05:00
parent 8e4e15fa56
commit 72eb4943cb
1853 changed files with 35514 additions and 9441 deletions
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22
Task/Pythagoras-tree/JavaScript/pythagoras-tree-2.js
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@ -1,14 +1,10 @@
let base = [[{ x: -200, y: 0 }, { x: 200, y: 0 }]];
const doc = [...Array(12)].reduce((doc_a, _, lvl) => {
const rg = step => `0${(80 + (lvl - 2) * step).toString(16)}`.slice(-2);
return doc_a + base.splice(0).reduce((ga, [a, b]) => {
const w = (kx, ky) => (kx * (b.x - a.x) + ky * (b.y - a.y)) / 2;
const [c, e, d] = [2, 3, 2].map((j, i) => ({ x: a.x + w(i, j), y: a.y + w(-j, i) }));
const base = [[[-200, 0], [200, 0]],];
document.documentElement.innerHTML = [...Array(12)].reduce((svg_a, _, lvl) => {
const rg = step => (80 + (lvl - 2) * step) & 255;
return svg_a + base.splice(0).reduce((g_a, [a, b]) => {
const w = (k0, k1) => (k0 * (b[0] - a[0]) + k1 * (b[1] - a[1])) / 2;
const [c, e, d] = [2, 3, 2].map((j, i) => [a[0] + w(i, j), a[1] + w(-j, i)]);
base.push([c, e], [e, d]);
return ga + `<polygon points="${[a, c, e, d, c, d, b].map(p => [p.x, p.y])}"/>\n`;
}, `<g fill="#${rg(20)}${rg(30)}18">\n`) + '</g>\n';
}, '<svg xmlns="http://www.w3.org/2000/svg" width="1200" stroke="white">\n') + '</svg>';
const { x, y } = base.flat().reduce((a, p) => ({ x: Math.min(a.x, p.x), y: Math.min(a.y, p.y) }));
const svg = doc.replace('<svg ', `<svg viewBox="${[x, y, -x - x, -y]}" `);
document.documentElement.innerHTML = svg, ''; // display svg in the browser window
return g_a + `<polygon points="${[a, c, e, d, c, d, b]}"/>`;
}, `<g fill="rgb(${rg(20)},${rg(30)},24)">`) + '</g>';
}, '<svg viewBox="-1200 -1600 2400 1600" stroke="white">') + '</svg>', "";