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;
}
@ -50,11 +52,11 @@ function edgePoint(x1, y1, x2, y2, maxX, maxY) {
}
function evenr_to_axial(x, y) {
return {q: x - (y + (y & 1)) / 2, r: y};
return { q: x - (y + (y & 1)) / 2, r: y };
}
function axial_to_evenr(q, r) {
return {x: q + (r + (r & 1)) / 2, y: r};
return { x: q + (r + (r & 1)) / 2, y: r };
}
function axial_distance(q1, r1, q2, r2) {
@ -73,7 +75,7 @@ function cube_to_axial(q, r, s) {
}
function axial_to_cube(q, r) {
return { q: q, r: r, s: -q - r};
return { q: q, r: r, s: -q - r };
}
function cube_round(q, r, s) {
@ -93,7 +95,7 @@ function cube_round(q, r, s) {
rS = -rQ - rR;
}
return {q: rQ, r: rR, s: rS};
return { q: rQ, r: rR, s: rS };
}
function axial_round(q, r) {
@ -101,7 +103,7 @@ function axial_round(q, r) {
round = cube_round(cube.q, cube.r, cube.s),
axial = cube_to_axial(round.q, round.r, round.s);
return {q: axial.q, r: axial.r};
return { q: axial.q, r: axial.r };
}
function lerp(a, b, t) {
@ -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: ${y} } clicked.`);
}
)});
const q = s => document.querySelector(s),
qA = s => document.querySelectorAll(s);
@ -152,7 +183,7 @@ window.addEventListener('load', () => {
HORZ_POINT_DISTANCE = 1.005,
VERT_POINT_DISTANCE = Math.sqrt(3) * HORZ_POINT_DISTANCE / 2,
ALTERNATING_OFFSET = HORZ_POINT_DISTANCE / 2,
CIRCUMRADIUS = Math.max(...[...new Set(Object.values(hex.points).flatMap(({x, y}) => [x, y]))]),
CIRCUMRADIUS = Math.max(...[...new Set(Object.values(hex.points).flatMap(({ x, y }) => [x, y]))]),
INRADIUS = CIRCUMRADIUS * Math.sqrt(3) / 2,
[COLUMNS, ROWS] = [COLUMN_COUNT, ROW_COUNT].map(n => [...Array(n).keys()]),
POINTS = ROWS.map(y => COLUMNS.map(x => [x, y]));
@ -175,7 +206,7 @@ window.addEventListener('load', () => {
pt = new DOMPoint(e.clientX, e.clientY),
{ x: pointerX, y: pointerY } = pt.matrixTransform(board.getScreenCTM().inverse()),
[maxXpx, maxYpx] = [width, height],
{x: x1px, y: y1px} = activeFiringArc.points[0];
{ x: x1px, y: y1px } = activeFiringArc.points[0];
let [x2px, y2px] = [
pointerX / width * maxXpx,
@ -187,7 +218,7 @@ window.addEventListener('load', () => {
let angle = calculateAngle(xDiff, yDiff);
let arcAngle = FIRING_ARC_SIZE[activeFiringArc.dataset.size];
let distance = Math.sqrt((x2px - x1px)**2 + (y2px - y1px)**2);
let distance = Math.sqrt((x2px - x1px) ** 2 + (y2px - y1px) ** 2);
let yDelta = distance * Math.cos(angle) * Math.tan(arcAngle);
let xDelta = distance * Math.sin(angle) * Math.tan(arcAngle);
@ -331,31 +362,31 @@ window.addEventListener('load', () => {
const grid = svg.querySelector('#grid');
const Counter = new function() {
const Counter = new function () {
let container = ptGrp,
selectedClass = 'selected',
dataSelector = function(troopNumber, allegiance) {
dataSelector = function (troopNumber, allegiance) {
return `[data-troop-number="${troopNumber}"][data-troop-allegiance="${allegiance}"]`;
},
selector = function(troopNumber, allegiance) {
selector = function (troopNumber, allegiance) {
return `use.counter${dataSelector(troopNumber, allegiance)}`;
},
position = function(x, y) {
position = function (x, y) {
return `g[data-x="${x}"][data-y="${y}"]`;
},
counterPosition = function(x, y) {
counterPosition = function (x, y) {
return `use.counter[data-x="${x}"][data-x="${y}"]`;
},
traceSelector = function(troopNumber, allegiance) {
traceSelector = function (troopNumber, allegiance) {
return `polyline.move-trace${dataSelector(troopNumber, allegiance)}`;
},
clickClone = function() {
clickClone = function () {
let { troopNumber, troopAllegiance, x, y } = this.dataset,
[xAttr, yAttr] = this.parentElement.getAttribute('transform').match(/-?\d+\.?\d*/g);
@ -383,7 +414,7 @@ window.addEventListener('load', () => {
}
},
pointerOver = function() {
pointerOver = function () {
let { troopNumber, troopAllegiance } = this.dataset;
cp = svg.querySelector(`#clip-path-${troopAllegiance}-${troopNumber}`);
@ -392,7 +423,7 @@ window.addEventListener('load', () => {
}
},
pointerOut = function() {
pointerOut = function () {
let { troopNumber, troopAllegiance } = this.dataset;
cp = svg.querySelector(`#clip-path-${troopAllegiance}-${troopNumber}`);
@ -407,7 +438,7 @@ window.addEventListener('load', () => {
}
},
click = function() {
click = function () {
if (this.classList.contains(selectedClass)) {
let { troopNumber, troopAllegiance } = this.dataset,
trace = grid.querySelector(traceSelector(troopNumber, troopAllegiance));
@ -437,7 +468,7 @@ window.addEventListener('load', () => {
}
},
dblClick = function() {
dblClick = function () {
if (this.classList.contains(selectedClass)) {
let { troopNumber, troopAllegiance } = this.dataset,
trace = grid.querySelector(traceSelector(troopNumber, troopAllegiance));
@ -449,15 +480,15 @@ window.addEventListener('load', () => {
}
};
this.get = function(troopNumber, allegiance) {
this.get = function (troopNumber, allegiance) {
return container.querySelector(`${selector(troopNumber, allegiance)}:not(.clone)`);
};
this.getAt = function(x, y) {
this.getAt = function (x, y) {
return container.querySelector(`${counterPosition(x, y)}:not(.clone)`);
};
this.select = function({ dataset: { troopNumber, troopAllegiance }}) {
this.select = function ({ dataset: { troopNumber, troopAllegiance } }) {
this.unSelect();
let counter = container.querySelector(`${selector(troopNumber, troopAllegiance)}:not(.clone)`);
@ -467,7 +498,7 @@ window.addEventListener('load', () => {
}
};
this.unSelect = function() {
this.unSelect = function () {
let selected = container.querySelector(`.${selectedClass}`);
if (selected) {
@ -482,11 +513,11 @@ window.addEventListener('load', () => {
}
};
this.isSelected = function(troopNumber, allegiance) {
this.isSelected = function (troopNumber, allegiance) {
return container.querySelector(`${selector(troopNumber, allegiance)}.${selectedClass}`) !== null;
};
this.place = function({ dataset: { troopNumber, troopAllegiance }}, point) {
this.place = function ({ dataset: { troopNumber, troopAllegiance } }, point) {
let counter, points,
counterNodeList = container.querySelectorAll(selector(troopNumber, troopAllegiance));
@ -570,19 +601,19 @@ window.addEventListener('load', () => {
// container.appendChild(counter);
};
this.remove = function({ dataset: { troopNumber, troopAllegiance }}) {
this.remove = function ({ dataset: { troopNumber, troopAllegiance } }) {
container
.querySelectorAll(dataSelector(troopNumber, troopAllegiance))
.forEach(el => el.remove());
};
this.removeClones = function({ dataset: { troopNumber, troopAllegiance }}) {
this.removeClones = function ({ dataset: { troopNumber, troopAllegiance } }) {
container
.querySelectorAll(`${selector(troopNumber, troopAllegiance)}.clone`)
.forEach(el => el.remove());
};
this.endMove = function(el) {
this.endMove = function (el) {
let { troopNumber, troopAllegiance } = el.dataset;
let trace = grid.querySelector(traceSelector(troopNumber, troopAllegiance));
@ -593,15 +624,15 @@ window.addEventListener('load', () => {
Counter.removeClones(el);
};
this.hasProne = function(troopNumber, troopAllegiance) {
this.hasProne = function (troopNumber, troopAllegiance) {
let selector = `g#${troopAllegiance}-${troopNumber} use[href="#counter-prone"]`;
return !!svg.querySelector(selector);
};
};
const RecordSheet = new function() {
let clipUnclippedFiringArcs = function() {
const RecordSheet = new function () {
let clipUnclippedFiringArcs = function () {
let unclipped = svg.querySelectorAll('#firing-arcs polygon:not([clip-path])');
unclipped.forEach(el => {
@ -622,7 +653,7 @@ window.addEventListener('load', () => {
});
};
this.unSelect = function() {
this.unSelect = function () {
let selected = this.getSelected();
if (selected) {
@ -634,11 +665,11 @@ window.addEventListener('load', () => {
Counter.unSelect();
};
this.getSelected = function() {
this.getSelected = function () {
return document.querySelector('.soldier-record.selected');
};
this.select = function(el) {
this.select = function (el) {
let { troopNumber, troopAllegiance } = el.dataset,
proneStatus = Counter.hasProne(troopNumber, troopAllegiance);
@ -650,8 +681,8 @@ window.addEventListener('load', () => {
};
};
const SightLine = new function() {
this.clear = function() {
const SightLine = new function () {
this.clear = function () {
let sl = grid.querySelector('line.sight-line');
let target = grid.querySelector(`use[href="#point"].sight-line-target`);
@ -666,11 +697,11 @@ window.addEventListener('load', () => {
this.clearHexes();
};
this.clearHexes = function() {
this.clearHexes = function () {
ptGrp.querySelectorAll('use[href="#point"].active').forEach(el => el.classList.remove('active'));
};
this.draw = function(x1, y1, x2, y2) {
this.draw = function (x1, y1, x2, y2) {
let source = ptGrp.querySelector(`g[data-x="${x1}"][data-y="${y1}"]`),
target = ptGrp.querySelector(`g[data-x="${x2}"][data-y="${y2}"]`),
@ -692,7 +723,7 @@ window.addEventListener('load', () => {
this.drawHexes(...coords);
};
this.drawHexes = function(...coords) {
this.drawHexes = function (...coords) {
this.clearHexes()
info.querySelector('#hex-count').textContent = offset_distance(...coords);
@ -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} ${cy})`);
group.dataset.x = x;
group.dataset.y = y;
group.appendChild(point);
group.addEventListener('pointerout', e => {
group.classList.remove('hover');
@ -723,8 +773,8 @@ window.addEventListener('load', () => {
// maybe we should start with, "are we clicking on a counter?"
if (sl) {
let { troopNumber: sTn, troopAllegiance: sTa} = selected.dataset,
{ troopNumber: tTn, troopAllegiance: tTa} = e.target.dataset,
let { troopNumber: sTn, troopAllegiance: sTa } = selected.dataset,
{ troopNumber: tTn, troopAllegiance: tTa } = e.target.dataset,
sightLineInLockedPosition = !sl.classList.contains('active'),
targetIsCounterOrCloneOfSelected = cl.contains('counter') && sTn == tTn && sTa == tTa;
@ -833,7 +883,7 @@ window.addEventListener('load', () => {
});
// ptGrp.appendChild(document.createTextNode('\n '));
// ptGrp.appendChild(group);
ptGrp.appendChild(group);
}));
document.querySelectorAll('.soldier-record').forEach(el =>
@ -873,11 +923,11 @@ window.addEventListener('load', () => {
}));
document.querySelectorAll('.end-turn').forEach(el =>
el.addEventListener('click', ({ target: { dataset: { allegiance }}}) => {
el.addEventListener('click', ({ target: { dataset: { allegiance } } }) => {
let dataSelector = `[data-troop-allegiance="${allegiance}"]`,
records = Array.from(qA(`.soldier-record${dataSelector}`)),
turnCounter = document.getElementById('turn-count'),
{ textContent: count, dataset: { update }} = turnCounter;
{ textContent: count, dataset: { update } } = turnCounter;
el.setAttribute('disabled', '');
@ -907,7 +957,7 @@ window.addEventListener('load', () => {
let selectedSoldier = document.querySelector('.soldier-record.selected');
if (selectedSoldier) {
let {troopNumber, troopAllegiance} = selectedSoldier.dataset,
let { troopNumber, troopAllegiance } = selectedSoldier.dataset,
counter = Counter.get(troopNumber, troopAllegiance);
let existingArcs = svg.querySelectorAll(
@ -989,85 +1039,6 @@ window.addEventListener('load', () => {
}
}));
svg.addEventListener('wheel', e => {
e.preventDefault();
const pt = new DOMPoint(e.clientX, e.clientY),
svgP = pt.matrixTransform(svg.getScreenCTM().inverse());
let { x, y, width, height } = svg.viewBox.baseVal,
widthDelta = width * 0.25,
heightDelta = height * 0.25,
xChange = (svgP.x - x) / width * widthDelta,
yChange = (svgP.y - y) / height * heightDelta,
widthChange = (1 - ((svgP.x - x) / width)) * widthDelta,
heightChange = (1 - ((svgP.y - y) / height)) * heightDelta,
newX = parseInt(e.deltaY < 0 ? x + xChange : x - xChange),
newWidth = parseInt(e.deltaY < 0 ? width - xChange - widthChange : width + xChange + widthChange),
newY = parseInt(e.deltaY < 0 ? y + yChange : y - yChange),
newHeight = parseInt(e.deltaY < 0 ? height - yChange - heightChange : height + yChange + heightChange);
let vb = `${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');
@ -1086,7 +1057,7 @@ window.addEventListener('load', () => {
clipPaths.forEach(cp => cp.style.display = el.checked ? 'none' : '');
}));
document.getElementById('toggle-prone-counter').addEventListener('input', function(e) {
document.getElementById('toggle-prone-counter').addEventListener('input', function (e) {
let selected = RecordSheet.getSelected();
if (selected) {