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Group text and use elements

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Catalin Constantin Mititiuc 2025-06-16 22:41:31 -07:00
parent df21cd8271
commit 1c397d2cb3
1 changed files with 17 additions and 11 deletions
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28
src/radial.js
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@ -45,6 +45,10 @@ function generateRadialCoords({ q, r, s }, radius) {
return list;
}
function sameSigns(a, b) {
return a > -1 && b > -1 || a < 0 && b < 0;
}
const hex = {
inradius: 8.66,
circumradius: 10,
@ -53,7 +57,7 @@ const hex = {
const horzSpacing = hex.inradius;
const vertSpacing = hex.circumradius * 3 / 2;
const list = generateRadialCoords({ q: 0, r: 0, s: 0 }, 5);
const list = generateRadialCoords({ q: 0, r: 0, s: 0 }, 2);
const svg = document.querySelector('svg');
const xmlns = 'http://www.w3.org/2000/svg';
@ -64,7 +68,7 @@ list.forEach(key => {
if (q === s)
x = 0;
else if (q > -1 && s > -1 || q < 0 && s < 0)
else if (sameSigns(q, s))
x = Math.abs(q - s);
else
x = Math.abs(q) + Math.abs(s);
@ -72,25 +76,27 @@ list.forEach(key => {
x = (q > s ? -1 : 1) * x * horzSpacing;
y = r * vertSpacing;
const g = document.createElementNS(xmlns, 'g');
g.setAttributeNS(null, 'transform', `translate(${x}, ${y})`);
const use = document.createElementNS(xmlns, 'use');
use.setAttributeNS(null, 'href', '#hex');
use.setAttributeNS(null, 'x', x);
use.setAttributeNS(null, 'y', y);
const qText = document.createElementNS(xmlns, 'text');
qText.textContent = q;
qText.setAttributeNS(null, 'x', x - 3);
qText.setAttributeNS(null, 'y', y - 3);
qText.setAttributeNS(null, 'x', -3);
qText.setAttributeNS(null, 'y', -3);
const rText = document.createElementNS(xmlns, 'text');
rText.textContent = r;
rText.setAttributeNS(null, 'x', x + 5);
rText.setAttributeNS(null, 'y', y + 1.5);
rText.setAttributeNS(null, 'x', 5);
rText.setAttributeNS(null, 'y', 1.5);
const sText = document.createElementNS(xmlns, 'text');
sText.textContent = s;
sText.setAttributeNS(null, 'x', x - 3);
sText.setAttributeNS(null, 'y', y + 5);
sText.setAttributeNS(null, 'x', -3);
sText.setAttributeNS(null, 'y', + 5);
[use, qText, rText, sText].forEach(el => svg.appendChild(el));
[use, qText, rText, sText].forEach(el => g.appendChild(el));
svg.appendChild(g);
});