More functional refactor
This commit is contained in:
148
src/modules/game/counter.js
Normal file
148
src/modules/game/counter.js
Normal file
@@ -0,0 +1,148 @@
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const svgns = "http://www.w3.org/2000/svg";
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export default class Counter {
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constructor(svg) {
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this.svg = svg;
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this.selectedClass = 'selected';
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}
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dataSelector({ dataset: { allegiance, number }}) {
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return `[data-number="${number}"][data-allegiance="${allegiance}"]`;
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}
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position(x, y) {
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return `g[data-x="${x}"][data-y="${y}"]`;
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}
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counterPosition(x, y) {
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return `.counter[data-x="${x}"][data-x="${y}"]`;
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}
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traceSelector(counter) {
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return `polyline.move-trace${this.dataSelector(counter)}`;
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}
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getClones(counter) {
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return this.svg.querySelectorAll(`.counter.clone${this.dataSelector(counter)}`);
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}
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getCounter(selected) {
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return this.svg.querySelector(`.counter${this.dataSelector(selected)}:not(.clone)`);
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}
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getCounterAndClones(counter) {
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return this.svg.querySelectorAll(`.counter${this.dataSelector(counter)}`);
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}
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getTrace(counter) {
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return this.svg.querySelector(this.traceSelector(counter));
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}
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getCellPosition(cell) {
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let pt = new DOMPoint(0, 0),
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transform = getComputedStyle(cell).transform.match(/-?\d+\.?\d*/g),
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mtx = new DOMMatrix(transform);
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pt = pt.matrixTransform(mtx);
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transform = getComputedStyle(cell.parentElement).transform.match(/-?\d+\.?\d*/g);
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mtx = new DOMMatrix(transform);
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pt = pt.matrixTransform(mtx);
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return pt;
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}
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getBoard() {
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return this.svg.querySelector('.board');
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}
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place(selected, cell) {
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let points,
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counterNodeList = this.getCounterAndClones(selected);
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if (counterNodeList.length > 0 && selected.parentElement.hasAttribute('data-x')) {
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let trace = this.svg.querySelector(this.traceSelector(selected));
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let prevCoords = [
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selected.parentElement.dataset.x,
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selected.parentElement.parentElement.dataset.y
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]
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let clone = selected.cloneNode(true);
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clone.classList.remove(this.selectedClass);
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clone.classList.add('clone');
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selected.dataset.previous = prevCoords;
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selected.parentElement.appendChild(clone);
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cell.appendChild(selected);
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selected.childNodes.forEach(n => {
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if (n.classList.contains('removed')) {
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n.remove();
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} else if ('preexisting' in n.dataset) {
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delete n.dataset.preexisting;
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}
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});
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let previous = this.getCellPosition(clone.parentElement),
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current = this.getCellPosition(selected.parentElement);
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if (!trace) {
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trace = document.createElementNS(svgns, 'polyline');
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points = `${previous.x},${previous.y} ${current.x},${current.y}`;
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trace.dataset.number = selected.dataset.number;
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trace.dataset.allegiance = selected.dataset.allegiance;
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trace.classList.add('move-trace');
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this.getBoard().prepend(trace);
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} else {
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points = `${trace.getAttribute('points')} ${current.x},${current.y}`;
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}
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trace.setAttributeNS(null, 'points', points);
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} else {
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selected.removeAttribute('data-x');
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cell.appendChild(selected);
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}
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}
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removeClones(counter) {
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this.getClones(counter).forEach(c => c.remove());
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}
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endMove(counter) {
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const trace = this.svg.querySelector(this.traceSelector(counter)),
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proneCounter = counter.querySelector('[href="#counter-prone"]');
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if (trace) {
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trace.remove();
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}
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delete counter.dataset.previous;
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if (proneCounter) {
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proneCounter.dataset.preexisting = '';
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}
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this.removeClones(counter);
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}
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hasProne(counter) {
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return !!counter.querySelector('[href="#counter-prone"]');
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}
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toggleProne(counter) {
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let proneCounter = counter.querySelector('[href="#counter-prone"]');
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if (!proneCounter) {
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proneCounter = document.createElementNS(svgns, 'use');
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proneCounter.setAttributeNS(null, 'href', '#counter-prone');
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counter.appendChild(proneCounter);
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} else if ('preexisting' in proneCounter.dataset) {
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proneCounter.classList.toggle('removed');
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} else {
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proneCounter.remove();
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}
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}
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}
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304
src/modules/game/firingArc.js
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304
src/modules/game/firingArc.js
Normal file
@@ -0,0 +1,304 @@
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// https://www.redblobgames.com/grids/hexagons/
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// Horizontal distance between hex centers is sqrt(3) * size. The vertical
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// distance is 3 / 2 * size. When we calculate horzDist / vertDist, the size
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// cancels out, leaving us with a unitless ratio of sqrt(3) / (3 / 2), or
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// 2 * sqrt(3) / 3.
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const svgns = "http://www.w3.org/2000/svg",
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horzToVertDistRatio = 2 * Math.sqrt(3) / 3,
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arcSize = {
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'small': Math.atan(horzToVertDistRatio / 6),
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'medium': Math.atan(horzToVertDistRatio / 2),
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'large': Math.atan(7 * horzToVertDistRatio / 2)
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},
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firingArcVisibility = {
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davion: false,
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liao: false
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};
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let svg;
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function calculateAngle(xDiff, yDiff) {
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yDiff = -yDiff;
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let angle = Math.abs(Math.atan(yDiff / xDiff));
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if (xDiff < 0 && yDiff > 0) {
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angle = Math.PI - angle;
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} else if (xDiff < 0 && yDiff < 0) {
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angle = Math.PI + angle;
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} else if (xDiff > 0 && yDiff < 0) {
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angle = 2 * Math.PI - angle;
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}
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return angle;
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}
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function edgePoint(x1, y1, x2, y2, maxX, maxY) {
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let pointCoords,
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xDiff = x2 - x1,
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yDiff = y2 - y1,
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xIntercept = y => (y - y1) * xDiff / yDiff + x1,
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yIntercept = x => (x - x1) * yDiff / xDiff + y1;
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if (xDiff > 0 && yDiff > 0) {
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let x = xIntercept(maxY);
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pointCoords = x <= maxX ? [x, maxY] : [maxX, yIntercept(maxX)];
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} else if (xDiff > 0 && yDiff < 0) {
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let y = yIntercept(maxX);
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pointCoords = y >= 0 ? [maxX, y] : [xIntercept(0), 0];
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} else if (xDiff < 0 && yDiff < 0) {
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let x = xIntercept(0);
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pointCoords = x >= 0 ? [x, 0] : [0, yIntercept(0)];
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} else {
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let y = yIntercept(0);
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pointCoords = y <= maxY ? [0, y] : [xIntercept(maxY), maxY];
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}
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return pointCoords;
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}
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function position(e) {
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let activeFiringArc = this.querySelector('polygon.firing-arc.active');
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// TODO: handle exactly horizontal and vertical lines
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if (activeFiringArc) {
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let activeFiringArcOutline = this.querySelector(`#lines polygon[data-number="${activeFiringArc.dataset.number}"][data-allegiance="${activeFiringArc.dataset.allegiance}"]`),
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board = this.querySelector('#image-maps'),
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{ width, height } = board.getBBox(),
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pt = new DOMPoint(e.clientX, e.clientY),
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{ x: pointerX, y: pointerY } = pt.matrixTransform(board.getScreenCTM().inverse()),
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[maxXpx, maxYpx] = [width, height],
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{ x: x1px, y: y1px } = activeFiringArc.points[0];
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let [x2px, y2px] = [
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pointerX / width * maxXpx,
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pointerY / height * maxYpx
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];
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let xDiff = x2px - x1px;
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let yDiff = y2px - y1px;
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let angle = calculateAngle(xDiff, yDiff);
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let arcAngle = arcSize[activeFiringArc.dataset.size];
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let distance = Math.sqrt((x2px - x1px) ** 2 + (y2px - y1px) ** 2);
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let yDelta = distance * Math.cos(angle) * Math.tan(arcAngle);
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let xDelta = distance * Math.sin(angle) * Math.tan(arcAngle);
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let [newY1, newX1] = [y2px + yDelta, x2px + xDelta];
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let [newY2, newX2] = [y2px - yDelta, x2px - xDelta];
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[newX1, newY1] = edgePoint(x1px, y1px, newX1, newY1, maxXpx, maxYpx);
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[newX2, newY2] = edgePoint(x1px, y1px, newX2, newY2, maxXpx, maxYpx);
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let oppositeEdgeConditions = [
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newX1 == 0 && newX2 == maxXpx,
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newX2 == 0 && newX1 == maxXpx,
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newY1 == 0 && newY2 == maxYpx,
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newY2 == 0 && newY1 == maxYpx
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]
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let orthogonalEdgeConditions = [
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(newX1 == 0 || newX1 == maxXpx) && (newY2 == 0 || newY2 == maxYpx),
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(newX2 == 0 || newX2 == maxXpx) && (newY1 == 0 || newY1 == maxYpx),
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]
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let points;
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if (oppositeEdgeConditions.some(e => e)) {
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let cornerPoints;
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if (xDiff > 0 && yDiff > 0) {
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if ((newY1 == 0 && newY2 == maxYpx) || (newY1 == maxYpx && newY2 == 0)) {
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cornerPoints = [[maxXpx, 0], [maxXpx, maxYpx]];
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} else {
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cornerPoints = [[maxXpx, maxYpx], [0, maxYpx]];
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}
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} else if (xDiff > 0 && yDiff < 0) {
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if ((newY1 == 0 && newY2 == maxYpx) || (newY1 == maxYpx && newY2 == 0)) {
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cornerPoints = [[maxXpx, 0], [maxXpx, maxYpx]];
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} else {
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cornerPoints = [[0, 0], [maxXpx, 0]];
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}
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} else if (xDiff < 0 && yDiff > 0) {
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if ((newY1 == 0 && newY2 == maxYpx) || (newY1 == maxYpx && newY2 == 0)) {
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cornerPoints = [[0, maxYpx], [0, 0]];
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} else {
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cornerPoints = [[maxXpx, maxYpx], [0, maxYpx]];
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}
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} else {
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if ((newY1 == 0 && newY2 == maxYpx) || (newY1 == maxYpx && newY2 == 0)) {
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cornerPoints = [[0, maxYpx], [0, 0]];
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} else {
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cornerPoints = [[0, 0], [maxXpx, 0]];
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}
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}
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points = `${x1px},${y1px} ${newX1},${newY1} ${cornerPoints[1]} ${cornerPoints[0]} ${newX2},${newY2}`;
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} else if (orthogonalEdgeConditions.some(e => e)) {
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let cornerPoints = [];
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let cp1, cp2;
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if (newX1 == 0 || newX1 == maxXpx) {
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cp1 = [newX1, yDiff > 0 ? maxYpx : 0];
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} else {
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cp1 = [xDiff > 0 ? maxXpx : 0, newY1];
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}
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if (newX2 == 0 || newX2 == maxXpx) {
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cp2 = [newX2, yDiff > 0 ? maxYpx : 0];
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} else {
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cp2 = [xDiff > 0 ? maxXpx : 0, newY2];
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}
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if (cp1[0] == cp2[0] && cp1[1] == cp2[1]) {
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cornerPoints.push(cp1);
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} else {
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cornerPoints.push(cp1);
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cornerPoints.push([xDiff > 0 ? maxXpx : 0, yDiff > 0 ? maxYpx : 0])
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cornerPoints.push(cp2);
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}
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points = `${x1px},${y1px} ${newX1},${newY1} ${cornerPoints.join(' ')} ${newX2},${newY2}`;
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} else {
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points = `${x1px},${y1px} ${newX1},${newY1} ${newX2},${newY2}`;
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}
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activeFiringArcOutline.setAttributeNS(null, 'points', points);
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activeFiringArc.setAttributeNS(null, 'points', points);
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}
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}
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function setDataAttrs({ dataset: { allegiance, number }}, el) {
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el.dataset.allegiance = allegiance;
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el.dataset.number = number;
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}
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function getClipPathId({ dataset: { allegiance, number }}) {
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return `clip-path-${allegiance}-${number}`;
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}
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function getUnclipped() {
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return svg.querySelectorAll('#firing-arcs polygon:not([clip-path])');
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};
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export default function (el) {
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svg = el;
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this.set = function (size, counter, { x, y }) {
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this.get(counter).forEach(fa => fa.remove());
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let arcLayer = svg.querySelector('#shapes');
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let outlineLayer = svg.querySelector('#lines');
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let arcContainer = svg.querySelector('#firing-arcs');
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let grid = svg.querySelector('.board');
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const transform = getComputedStyle(grid).transform.match(/-?\d+\.?\d*/g);
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const pt = new DOMPoint(x, y);
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const mtx = new DOMMatrix(transform);
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let tPt = pt.matrixTransform(mtx);
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let pivotPoint = [tPt.x, tPt.y];
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let firingArc = document.createElementNS(svgns, 'polygon');
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let firingArcOutline = document.createElementNS(svgns, 'polygon');
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setDataAttrs(counter, firingArc);
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firingArc.dataset.size = size;
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firingArc.classList.add('firing-arc', 'active');
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firingArc.setAttributeNS(null, 'points', `${pivotPoint} ${pivotPoint} ${pivotPoint}`);
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setDataAttrs(counter, firingArcOutline);
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firingArcOutline.setAttributeNS(null, 'points', `${pivotPoint} ${pivotPoint} ${pivotPoint}`);
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let clipShape = document.createElementNS(svgns, 'circle');
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clipShape.setAttributeNS(null, 'cx', tPt.x);
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clipShape.setAttributeNS(null, 'cy', tPt.y);
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clipShape.setAttributeNS(null, 'r', 100);
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let clipPath = document.createElementNS(svgns, 'clipPath');
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setDataAttrs(counter, clipPath);
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clipPath.setAttributeNS(null, 'id', getClipPathId(counter));
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clipPath.appendChild(clipShape);
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arcContainer.appendChild(clipPath);
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arcLayer.appendChild(firingArc);
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outlineLayer.appendChild(firingArcOutline);
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let firingArcPlacementListener = e => {
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svg.querySelectorAll('.firing-arc.active').forEach(el => el.classList.remove('active'));
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grid.removeAttribute('style');
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svg.removeEventListener('mousemove', position);
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firingArc.removeEventListener('click', firingArcPlacementListener);
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firingArc.removeEventListener('contextmenu', cancelFiringArcPlacement);
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};
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let cancelFiringArcPlacement = e => {
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e.preventDefault();
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firingArc.removeEventListener('click', firingArcPlacementListener);
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firingArc.removeEventListener('contextmenu', cancelFiringArcPlacement);
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this.get(counter).forEach(fa => fa.remove());
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grid.removeAttribute('style');
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svg.removeEventListener('mousemove', position);
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};
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grid.style.pointerEvents = 'none';
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svg.addEventListener('mousemove', position);
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firingArc.addEventListener('click', firingArcPlacementListener);
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firingArc.addEventListener('contextmenu', cancelFiringArcPlacement);
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};
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this.clear = function (allegiance) {
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const selector = `#firing-arcs [data-allegiance="${allegiance}"]`;
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svg.querySelectorAll(selector).forEach(el => el.remove());
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};
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this.get = function ({ dataset: { allegiance, number }}) {
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return svg.querySelectorAll(`#firing-arcs polygon[data-number="${number}"][data-allegiance="${allegiance}"]`);
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};
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this.toggleVisibility = function (allegiance) {
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const vis = firingArcVisibility[allegiance],
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clipPaths = svg.querySelectorAll(`clipPath[data-allegiance="${allegiance}"]`);
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clipPaths.forEach(cp => cp.style.display = !vis ? 'none' : '');
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firingArcVisibility[allegiance] = !vis;
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};
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this.toggleCounterVisibility = function ({ dataset: { number, allegiance }}, vis) {
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const cp = svg.querySelector(`#clip-path-${allegiance}-${number}`),
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display = vis ? 'none' : '';
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if (cp) {
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cp.style.display = firingArcVisibility[allegiance] ? 'none' : display;
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}
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};
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this.clipAll = function () {
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console.log('clipall')
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let unclipped = getUnclipped();
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unclipped.forEach(el => {
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const { number, allegiance } = el.dataset,
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clipPathId = `clip-path-${allegiance}-${number}`,
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isVisible = firingArcVisibility[allegiance];
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if (isVisible) {
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svg.querySelector(`#${clipPathId}`).style.display = 'none';
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}
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el.setAttributeNS(null, 'clip-path', `url(#${clipPathId})`);
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});
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};
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}
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199
src/modules/game/sightLine.js
Normal file
199
src/modules/game/sightLine.js
Normal file
@@ -0,0 +1,199 @@
|
||||
const svgns = "http://www.w3.org/2000/svg";
|
||||
|
||||
function evenr_to_axial(x, 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 };
|
||||
}
|
||||
|
||||
function axial_distance(q1, r1, q2, r2) {
|
||||
return (Math.abs(q1 - q2) + Math.abs(q1 + r1 - q2 - r2) + Math.abs(r1 - r2)) / 2;
|
||||
}
|
||||
|
||||
function offset_distance(x1, y1, x2, y2) {
|
||||
let { q: q1, r: r1 } = evenr_to_axial(x1, y1),
|
||||
{ q: q2, r: r2 } = evenr_to_axial(x2, y2);
|
||||
|
||||
return axial_distance(q1, r1, q2, r2);
|
||||
}
|
||||
|
||||
function cube_to_axial(q, r, s) {
|
||||
return { q: q, r: r };
|
||||
}
|
||||
|
||||
function axial_to_cube(q, r) {
|
||||
return { q: q, r: r, s: -q - r };
|
||||
}
|
||||
|
||||
function cube_round(q, r, s) {
|
||||
rQ = Math.round(q);
|
||||
rR = Math.round(r);
|
||||
rS = Math.round(s);
|
||||
|
||||
let q_diff = Math.abs(rQ - q),
|
||||
r_diff = Math.abs(rR - r),
|
||||
s_diff = Math.abs(rS - s);
|
||||
|
||||
if (q_diff > r_diff && q_diff > s_diff) {
|
||||
rQ = -rR - rS;
|
||||
} else if (r_diff > s_diff) {
|
||||
rR = -rQ - rS;
|
||||
} else {
|
||||
rS = -rQ - rR;
|
||||
}
|
||||
|
||||
return { q: rQ, r: rR, s: rS };
|
||||
}
|
||||
|
||||
function axial_round(q, r) {
|
||||
let cube = axial_to_cube(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 };
|
||||
}
|
||||
|
||||
function lerp(a, b, t) {
|
||||
return a + (b - a) * t;
|
||||
}
|
||||
|
||||
function axial_lerp(q1, r1, q2, r2, t) {
|
||||
return { q: lerp(q1, q2, t), r: lerp(r1, r2, t) };
|
||||
}
|
||||
|
||||
function linedraw(x1, y1, x2, y2) {
|
||||
let axial1 = evenr_to_axial(x1, y1),
|
||||
axial2 = evenr_to_axial(x2, y2),
|
||||
n = offset_distance(x1, y1, x2, y2),
|
||||
results = [];
|
||||
|
||||
for (let i = 0; i <= n; i++) {
|
||||
let lerp = axial_lerp(axial1.q, axial1.r, axial2.q, axial2.r, 1.0 / n * i),
|
||||
round = axial_round(lerp.q, lerp.r),
|
||||
{ x, y } = axial_to_evenr(round.q, round.r);
|
||||
|
||||
results.push([x, y]);
|
||||
}
|
||||
|
||||
return results;
|
||||
}
|
||||
|
||||
export default class SightLine {
|
||||
constructor(svg) {
|
||||
this.svg = svg;
|
||||
}
|
||||
|
||||
getBoard() {
|
||||
return this.svg.querySelector('.board');
|
||||
}
|
||||
|
||||
getActiveHexes() {
|
||||
return this.svg.querySelectorAll('use[href="#hex"].active');
|
||||
}
|
||||
|
||||
clear() {
|
||||
const board = this.getBoard(),
|
||||
sl = board.querySelector('line.sight-line'),
|
||||
target = board.querySelector(`use[href="#hex"].sight-line-target`);
|
||||
|
||||
if (sl) {
|
||||
sl.remove();
|
||||
}
|
||||
|
||||
if (target) {
|
||||
target.classList.remove('sight-line-target');
|
||||
}
|
||||
|
||||
this.clearHexes();
|
||||
}
|
||||
|
||||
clearHexes() {
|
||||
if (this.distanceCallback) {
|
||||
this.distanceCallback();
|
||||
}
|
||||
|
||||
this.getActiveHexes().forEach(el => el.classList.remove('active'));
|
||||
}
|
||||
|
||||
draw(source, target) {
|
||||
this.clear();
|
||||
|
||||
let pt = new DOMPoint(0, 0),
|
||||
transform = getComputedStyle(source).transform.match(/-?\d+\.?\d*/g),
|
||||
mtx = new DOMMatrix(transform);
|
||||
|
||||
pt = pt.matrixTransform(mtx);
|
||||
|
||||
transform = getComputedStyle(source.parentElement).transform.match(/-?\d+\.?\d*/g);
|
||||
mtx = new DOMMatrix(transform);
|
||||
pt = pt.matrixTransform(mtx);
|
||||
|
||||
let slX1 = pt.x,
|
||||
slY1 = pt.y;
|
||||
|
||||
pt = new DOMPoint(0, 0);
|
||||
transform = getComputedStyle(target).transform.match(/-?\d+\.?\d*/g);
|
||||
mtx = new DOMMatrix(transform);
|
||||
|
||||
pt = pt.matrixTransform(mtx);
|
||||
|
||||
transform = getComputedStyle(target.parentElement).transform.match(/-?\d+\.?\d*/g);
|
||||
mtx = new DOMMatrix(transform);
|
||||
pt = pt.matrixTransform(mtx);
|
||||
|
||||
let slX2 = pt.x,
|
||||
slY2 = pt.y;
|
||||
|
||||
let sightLine = document.createElementNS(svgns, 'line');
|
||||
|
||||
sightLine.classList.add('sight-line');
|
||||
sightLine.classList.add('active');
|
||||
sightLine.setAttributeNS(null, 'x1', slX1);
|
||||
sightLine.setAttributeNS(null, 'y1', slY1);
|
||||
sightLine.setAttributeNS(null, 'x2', slX2);
|
||||
sightLine.setAttributeNS(null, 'y2', slY2);
|
||||
|
||||
this.getBoard().appendChild(sightLine);
|
||||
|
||||
let coords = [
|
||||
source.dataset.x,
|
||||
source.parentElement.dataset.y,
|
||||
target.dataset.x,
|
||||
target.parentElement.dataset.y
|
||||
].map(n => parseInt(n));
|
||||
|
||||
this.drawHexes(...coords);
|
||||
}
|
||||
|
||||
update(cell, { x, y }) {
|
||||
const sl = this.svg.querySelector('.sight-line'),
|
||||
target = this.svg.querySelector('.sight-line-target').parentElement,
|
||||
x1 = cell.dataset.x,
|
||||
y1 = cell.parentElement.dataset.y,
|
||||
x2 = target.dataset.x,
|
||||
y2 = target.parentElement.dataset.y;
|
||||
|
||||
sl.setAttributeNS(null, 'x1', x);
|
||||
sl.setAttributeNS(null, 'y1', y);
|
||||
|
||||
this.drawHexes(...[x1, y1, x2, y2].map(n => parseInt(n)));
|
||||
}
|
||||
|
||||
drawHexes(...coords) {
|
||||
this.clearHexes()
|
||||
|
||||
if (this.distanceCallback) {
|
||||
this.distanceCallback(offset_distance(...coords));
|
||||
}
|
||||
|
||||
let lineCoords = linedraw(...coords);
|
||||
|
||||
let s = lineCoords
|
||||
.map(([x, y]) => `g[data-y="${y}"] g[data-x="${x}"] use[href="#hex"]`)
|
||||
.join(', ');
|
||||
|
||||
this.svg.querySelectorAll(s).forEach(p => p.classList.add('active'));
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user