var rect = document.querySelector('rect#map');
var toFixed = n => Number.parseFloat(n).toFixed(2);
rect.addEventListener('mousemove', e => {
var rect = e.target.getBoundingClientRect();
var x = e.clientX - rect.left; // x position within the element
var y = e.clientY - rect.top; // y position within the element
console.log(
'x: ' + toFixed(x / rect.width * e.target.width.baseVal.valueInSpecifiedUnits) + '"',
'y: ' + toFixed(y / rect.height * e.target.height.baseVal.valueInSpecifiedUnits) + '"'
);
});
document.querySelectorAll('.soldier-record').forEach(el =>
el.addEventListener('click', e => {
// console.log(e.target.dataset.troopNumber);
if (e.target.classList.contains('selected')) {
e.target.classList.remove('selected');
} else {
document.querySelectorAll('.soldier-record.selected').forEach(el =>
el.classList.remove('selected')
);
e.target.classList.add('selected');
}
})
);
var svgns = "http://www.w3.org/2000/svg",
svg = document.querySelector('svg');
var columnCount = 33,
rowCount = 25,
pointDistanceInInches = 1.005;
var isEven = n => n % 2 === 0;
var columns = [...Array(columnCount).keys()],
rows = [...Array(rowCount).keys()],
columnCoords = columns.map(x => x * pointDistanceInInches),
rowCoords = rows.map(y => y * pointDistanceInInches),
pointCoords = rowCoords.map(y => columnCoords.map(x => [x, y]));
var xOffset = 0.25,
yOffset = 0.45;
calcY = Math.sqrt(3) * pointDistanceInInches / 2,
alternatingOffset = pointDistanceInInches / 2;
pointCoords.forEach((row, index) => row.forEach(([x, y]) => {
var cx = x + xOffset + (isEven(index) ? alternatingOffset : 0),
cy = calcY * y + yOffset,
point = document.createElementNS(svgns, 'use');
point.setAttributeNS(null, 'href', `#point`);
point.setAttributeNS(null, 'x', `${cx}in`);
point.setAttributeNS(null, 'y', `${cy}in`);
point.addEventListener('click', e => {
let selectedSoldier = document.querySelector('.soldier-record.selected');
if (selectedSoldier) {
let counter = document.createElementNS(svgns, 'circle');
let text = document.createElementNS(svgns, 'text');
counter.setAttributeNS(null, 'cx', `${cx}in`);
counter.setAttributeNS(null, 'cy', `${cy}in`);
counter.setAttributeNS(null, 'r', '0.25in');
counter.dataset.troopNumber = selectedSoldier.dataset.troopNumber;
counter.dataset.troopAllegiance = selectedSoldier.dataset.troopAllegiance;
counter.classList.add('counter');
text.setAttributeNS(null, 'text-anchor', 'middle');
text.setAttributeNS(null, 'x', `${cx}in`);
text.setAttributeNS(null, 'y', `${cy + 0.25}in`);
text.dataset.troopNumber = selectedSoldier.dataset.troopNumber;
text.dataset.troopAllegiance = selectedSoldier.dataset.troopAllegiance;
text.textContent = `${selectedSoldier.dataset.troopNumber}`;
text.classList.add('counter');
document.querySelectorAll(
`.counter[data-troop-number="${selectedSoldier.dataset.troopNumber}"][data-troop-allegiance="${selectedSoldier.dataset.troopAllegiance}"]`
).forEach(el => el.remove());
svg.appendChild(counter);
svg.appendChild(text);
}
});
svg.appendChild(point);
}));