Import pan/zoom functions from external module

This commit is contained in:
Catalin Constantin Mititiuc 2025-06-16 22:41:28 -07:00
parent a0c2640bb7
commit fdf4b93856
6 changed files with 2177 additions and 726 deletions

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@ -1,10 +1,10 @@
## Install dev server packages
docker run --rm -w /app -v $PWD:/app -u $(id -u):$(id -u) node bash -c "npm install"
docker run --rm -w /app -v $PWD:/app -u $(id -u):$(id -u) node npm install
## Start the dev server
docker run --rm --init -it -w /app -v $PWD:/app -p 8080:8080 node bash -c "node dev-server.js"
docker run --rm --init -it -w /app -v $PWD:/app -p 8080:8080 node node dev-server.js
Visit `localhost:8080` to view.

367
package-lock.json generated
View File

@ -4,275 +4,21 @@
"requires": true,
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"": {
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"svg-pan-zoom": "github:webdevcat-me/svg-pan-zoom"
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@ -281,108 +27,11 @@
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@ -417,15 +66,17 @@
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}

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@ -2,5 +2,8 @@
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"esbuild-server": "^0.3.0"
},
"dependencies": {
"svg-pan-zoom": "github:webdevcat-me/svg-pan-zoom"
}
}

View File

@ -10,27 +10,25 @@ text {
user-select: none;
}
use[href="#point"], use[href="#hex"] {
use[href="#hex"] {
opacity: 1;
fill: teal;
fill-opacity: 0.2;
stroke-width: 0.5px;
}
use[href="#point"]:hover,
use[href="#point"].hover,
use[href="#hex"]:hover,
use[href="#hex"].hover {
use[href="#hex"]:hover, use[href="#hex"].hover
{
opacity: 1;
fill: orange;
stroke: orangered;
}
use[href="#point"].active, use[href="#hex"].active {
use[href="#hex"].active {
opacity: 0.2;
}
use[href="#point"].sight-line-target, use[href="#hex"].sight-line-target {
use[href="#hex"].sight-line-target {
opacity: 1;
stroke: orangered;
fill-opacity: 0.04;
@ -46,10 +44,6 @@ polyline.move-trace {
fill: #bacae3;
}
g#grid {
transform: translate(19px, 31px) scale(4);
}
#map2 {
transform-origin: 0px 0px;
transform: translate(-0.9px, -2.4px) scale(0.999, 1.007);
@ -163,7 +157,7 @@ polygon.firing-arc[data-troop-allegiance="liao"] {
pointer-events: none;
}
defs #point, #hex {
#hex {
fill: inherit;
fill-opacity: inherit;
stroke: inherit;
@ -180,19 +174,7 @@ use[href="#davion-1"]:hover {
transform: scale(2);
}
g.col:hover {
--scale: 0.97;
}
g.col:hover use[href="#hex"] {
fill: orange;
stroke: orangered;
}
g.col:hover use[href="#davion-1"] {
transform: scale(1.5);
}
/* Inradius and circumradius values come from the hexagon */
.grid {
--inradius: 8.66px;
--circumradius: 10px;
@ -201,26 +183,115 @@ g.col:hover use[href="#davion-1"] {
transform: translate(19px, 31px) scale(4);
}
g.row {
g[data-y] {
--translateX: 0;
transform: translate(var(--translateX), calc(var(--y-step) * (var(--n) - 1)));
transform: translate(var(--translateX), calc(var(--y-step) * var(--i)));
}
g.row:nth-child(odd) {
g[data-y]:nth-child(odd) {
--translateX: calc(var(--inradius));
}
g.row:nth-child(1) { --n: 1; }
g.row:nth-child(2) { --n: 2; }
g.row:nth-child(3) { --n: 3; }
g.row:nth-child(4) { --n: 4; }
g.col {
--scale: 1;
transform: translateX(calc(var(--x-step) * (var(--n) - 1))) scale(var(--scale));
g[data-x]:hover {
--scale: 0.97;
}
g.col:nth-child(1) { --n: 1; }
g.col:nth-child(2) { --n: 2; }
g.col:nth-child(3) { --n: 3; }
g.col:nth-child(4) { --n: 4; }
g[data-x]:hover use[href="#hex"] {
fill: orange;
stroke: orangered;
}
g[data-x]:hover use[href="#davion-1"] {
transform: scale(1.5);
}
g[data-x] {
--scale: 1;
transform: translateX(calc(var(--x-step) * var(--i))) scale(var(--scale));
}
g[data-y="0"] { --i: 0; }
g[data-y="1"] { --i: 1; }
g[data-y="2"] { --i: 2; }
g[data-y="3"] { --i: 3; }
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g[data-x="27"] { --i: 27; }
g[data-x="28"] { --i: 28; }
g[data-x="29"] { --i: 29; }
g[data-x="30"] { --i: 30; }
g[data-x="31"] { --i: 31; }
g[data-x="32"] { --i: 32; }

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@ -1,3 +1,5 @@
import { pan, zoom } from 'svg-pan-zoom';
function isEven(n) {
return n % 2 === 0;
}
@ -129,16 +131,45 @@ function linedraw(x1, y1, x2, y2) {
return results;
}
const PanZoom = new function () {
this.start = function (svg) {
svg.addEventListener('wheel', e => {
e.preventDefault();
svg.setAttributeNS(null, 'viewBox', zoom(svg, e));
}, { passive: false });
svg.addEventListener('pointerdown', e => {
e.preventDefault();
pan(svg, e);
}, { passive: false });
}
};
window.addEventListener('load', () => {
const svgns = "http://www.w3.org/2000/svg",
// svg = document.querySelector('svg'),
// hex = svg.querySelector('#point'),
svg = document.querySelector('object').contentDocument.querySelector('svg'),
hex = svg.querySelector('#point'),
hex = svg.querySelector('#hex'),
ptGrp = svg.querySelector('#points'),
cntrGrp = svg.querySelector('#counters'),
settingsPanel = document.getElementById('panel'),
recordSheetVisibility = document.querySelector('#content input[type="checkbox"].visible');
PanZoom.start(svg);
let cells = svg.querySelectorAll('g[data-x]');
cells.forEach(cell => {
cell.addEventListener('click', e => {
let { dataset: { x }, parentElement: { dataset: { y }}} = cell;
console.log(`Cell at index { x: ${x}, y: ${y} } clicked.`);
}
)});
const q = s => document.querySelector(s),
qA = s => document.querySelectorAll(s);
@ -706,10 +737,29 @@ window.addEventListener('load', () => {
};
};
// POINTS.forEach((row, index) => row.forEach(([x, y]) => {
[].forEach(() => row.forEach(([x, y]) => {
let group = svg.querySelector(`g[data-x="${x}"][data-y="${y}"]`);
let point = group.querySelector(`use[href="#point"]`);
[].forEach((row, index) => row.forEach(([x, y]) => {
var cx = x * INRADIUS * 2 + (isEven(index) ? INRADIUS : 0),
cy = y * 3 / 2 * CIRCUMRADIUS,
point = document.createElementNS(svgns, 'use'),
group = document.createElementNS(svgns, 'g');
cx = parseFloat(cx.toFixed(1));
cy = parseFloat(cy.toFixed(1));
point.setAttributeNS(null, 'href', `#point`);
point.setAttributeNS(null, 'x', 0);
point.setAttributeNS(null, 'y', 0);
point.dataset.x = x;
point.dataset.y = y;
group.setAttributeNS(null, 'transform', `translate(${cx} ${cy})`);
group.dataset.x = x;
group.dataset.y = y;
group.appendChild(point);
group.addEventListener('pointerout', e => {
group.classList.remove('hover');
@ -833,7 +883,7 @@ window.addEventListener('load', () => {
});
// ptGrp.appendChild(document.createTextNode('\n '));
// ptGrp.appendChild(group);
ptGrp.appendChild(group);
}));
document.querySelectorAll('.soldier-record').forEach(el =>
@ -989,85 +1039,6 @@ window.addEventListener('load', () => {
}
}));
svg.addEventListener('wheel', e => {
e.preventDefault();
const pt = new DOMPoint(e.clientX, e.clientY),
svgP = pt.matrixTransform(svg.getScreenCTM().inverse());
let { x, y, width, height } = svg.viewBox.baseVal,
widthDelta = width * 0.25,
heightDelta = height * 0.25,
xChange = (svgP.x - x) / width * widthDelta,
yChange = (svgP.y - y) / height * heightDelta,
widthChange = (1 - ((svgP.x - x) / width)) * widthDelta,
heightChange = (1 - ((svgP.y - y) / height)) * heightDelta,
newX = parseInt(e.deltaY < 0 ? x + xChange : x - xChange),
newWidth = parseInt(e.deltaY < 0 ? width - xChange - widthChange : width + xChange + widthChange),
newY = parseInt(e.deltaY < 0 ? y + yChange : y - yChange),
newHeight = parseInt(e.deltaY < 0 ? height - yChange - heightChange : height + yChange + heightChange);
let vb = `${newX} ${newY} ${newWidth} ${newHeight}`
// TODO attribute change event?
localStorage.setItem('viewBox', vb);
svg.setAttributeNS(null, 'viewBox', vb);
}, { passive: false });
svg.addEventListener('pointerdown', e => {
e.preventDefault();
const minPanDistanceThreshold = 5;
let dist, ctm,
pan = false,
{ x, y, width, height } = svg.viewBox.baseVal,
startPt = new DOMPoint(e.clientX, e.clientY),
movePt = new DOMPoint();
function pointerMove(e) {
movePt.x = e.clientX;
movePt.y = e.clientY;
if (!pan) {
dist = Math.sqrt((movePt.x - startPt.x)**2 + (movePt.y - startPt.y)**2);
if (dist >= minPanDistanceThreshold) {
pan = true;
svg.setPointerCapture(e.pointerId);
startPt.x = e.clientX;
startPt.y = e.clientY;
}
}
if (pan) {
ctm = svg.getScreenCTM().inverse();
const [svgStartPt, svgMovePt] = [startPt, movePt].map(p => p.matrixTransform(ctm)),
moveX = parseInt(svgStartPt.x - svgMovePt.x + x),
moveY = parseInt(svgStartPt.y - svgMovePt.y + y);
let vb = `${moveX} ${moveY} ${width} ${height}`;
localStorage.setItem('viewBox', vb);
svg.setAttributeNS(null, 'viewBox', vb);
}
}
function pointerUp(e) {
svg.removeEventListener('pointermove', pointerMove);
svg.removeEventListener('pointerup', pointerUp);
}
svg.addEventListener('pointermove', pointerMove);
svg.addEventListener('pointerup', pointerUp);
}, { passive: false });
recordSheetVisibility.addEventListener('input', e => {
let divs = document.querySelectorAll('#content div');