Clean up a bit
This commit is contained in:
parent
9dd9aca21f
commit
8a878145fc
206
index.js
206
index.js
@ -1,90 +1,112 @@
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var rect = document.querySelector('rect#map');
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var isEven = n => n % 2 === 0;
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var toFixed = n => Number.parseFloat(n).toFixed(2);
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var radToDeg = radians => radians * 180 / Math.PI;
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let getPointCoords = (x, y) => {
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let point = document.querySelector(`[data-x="${x}"][data-y="${y}"]`);
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return [point.x.baseVal.value, point.y.baseVal.value]
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};
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var svgns = "http://www.w3.org/2000/svg",
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svg = document.querySelector('svg');
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svg = document.querySelector('svg'),
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rect = document.querySelector('rect#map');
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var columnCount = 33,
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rowCount = 25,
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pointDistanceInInches = 1.005;
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var columns = [...Array(columnCount).keys()],
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rows = [...Array(rowCount).keys()],
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points = rows.map(y => columns.map(x => [x, y]));
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var xOffset = 0.25,
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yOffset = 0.45;
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calcY = Math.sqrt(3) * pointDistanceInInches / 2,
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alternatingOffset = pointDistanceInInches / 2;
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rect.addEventListener('mousemove', e => {
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var rect = e.target.getBoundingClientRect();
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var x = e.clientX - rect.left; // x position within the element
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var y = e.clientY - rect.top; // y position within the element
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var x = e.clientX - rect.left;
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var y = e.clientY - rect.top;
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let [maxX, maxY] = [e.target.width, e.target.height].map(v => v.baseVal.valueInSpecifiedUnits);
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// console.log(
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// 'x: ' + toFixed(x / rect.width * e.target.width.baseVal.valueInSpecifiedUnits) + '"',
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// 'y: ' + toFixed(y / rect.height * e.target.height.baseVal.valueInSpecifiedUnits) + '"'
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// );
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// console.log('x', `${toFixed(x / rect.width * maxX)}"`, 'y', `${toFixed(y / rect.height * maxY)}"`);
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let aim = document.querySelector('.firing-arc.active');
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if (aim) {
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aim.setAttributeNS(null, 'x2', `${x / rect.width * e.target.width.baseVal.valueInSpecifiedUnits}in`);
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aim.setAttributeNS(null, 'y2', `${y / rect.height * e.target.height.baseVal.valueInSpecifiedUnits}in`);
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let xIntercept = y => (y - y1) * (x2 - x1) / (y2 - y1) + x1;
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let yIntercept = x => (x - x1) * (y2 - y1) / (x2 - x1) + y1;
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let newX, newY;
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let w = aim.x2.baseVal.value - aim.x1.baseVal.value;
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let h = -(aim.y2.baseVal.value - aim.y1.baseVal.value);
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let angle = radToDeg(Math.atan(h / w));
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let [x1, y1] = [aim.x1, aim.y1].map(v => v.baseVal.valueInSpecifiedUnits);
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let [x2, y2] = [x / rect.width * maxX, y / rect.height * maxY];
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if (w < 0 && h > 0) {
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angle = 180 - Math.abs(angle);
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} else if (w < 0 && h < 0) {
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angle = 180 + Math.abs(angle);
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} else if (w > 0 && h < 0) {
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angle = 360 - Math.abs(angle);
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// TODO: handle horizontal and vertical lines
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if (x2 - x1 > 0 && y2 - y1 > 0) {
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let yWhenXisMax = yIntercept(maxX);
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let xWhenYisMax = xIntercept(maxY);
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if (xWhenYisMax <= maxX) {
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newX = xWhenYisMax;
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newY = maxY;
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} else {
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newX = maxX;
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newY = yWhenXisMax;
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}
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} else if (x2 - x1 > 0 && y2 - y1 < 0) {
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let yWhenXisMax = yIntercept(maxX);
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let xWhenYisZero = xIntercept(0);
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if (xWhenYisZero <= maxX) {
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newX = xWhenYisZero;
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newY = 0;
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} else {
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newX = maxX;
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newY = yWhenXisMax;
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}
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} else if (x2 - x1 < 0 && y2 - y1 < 0) {
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let yWhenXisZero = yIntercept(0);
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let xWhenYisZero = xIntercept(0);
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if (yWhenXisZero >= 0) {
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newX = 0;
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newY = yWhenXisZero;
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} else {
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newX = xWhenYisZero;
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newY = 0;
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}
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} else {
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let yWhenXisZero = yIntercept(0);
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let xWhenYisMax = xIntercept(maxY);
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if (yWhenXisZero <= maxY) {
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newX = 0;
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newY = yWhenXisZero;
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} else {
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newX = xWhenYisMax;
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newY = maxY;
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}
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}
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aim.setAttributeNS(null, 'x2', `${newX}in`);
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aim.setAttributeNS(null, 'y2', `${newY}in`);
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let width = aim.x2.baseVal.value - aim.x1.baseVal.value;
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let height = -(aim.y2.baseVal.value - aim.y1.baseVal.value);
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let angle = Math.abs(radToDeg(Math.atan(height / width)));
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if (width < 0 && height > 0) {
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angle = 180 - angle;
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} else if (width < 0 && height < 0) {
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angle = 180 + angle;
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} else if (width > 0 && height < 0) {
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angle = 360 - angle;
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}
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console.log(`${toFixed(angle)}\u00B0`);
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let [x1, y1, x2, y2] = [aim.x1, aim.y1, aim.x2, aim.y2].map(v => v.baseVal.valueInSpecifiedUnits);
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let [width, height] = [e.target.width, e.target.height].map(v => v.baseVal.valueInSpecifiedUnits);
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console.log(`(${x2 - x1}, ${y2 - y1})`);
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if (x2 - x1 > 0 && y2 - y1 > 0) {
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let yWhenXisMax = (width - x1) * (y2 - y1) / (x2 - x1) + y1;
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let xWhenYisMax = (height - y1) * (x2 - x1) / (y2 - y1) + x1;
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if (xWhenYisMax <= width) {
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aim.setAttributeNS(null, 'x2', `${xWhenYisMax}in`);
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aim.setAttributeNS(null, 'y2', `${height}in`);
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} else {
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aim.setAttributeNS(null, 'x2', `${width}in`);
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aim.setAttributeNS(null, 'y2', `${yWhenXisMax}in`);
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}
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} else if (x2 - x1 > 0 && y2 - y1 < 0) {
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let yWhenXisMax = (width - x1) * (y2 - y1) / (x2 - x1) + y1;
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let xWhenYisZero = (0 - y1) * (x2 - x1) / (y2 - y1) + x1;
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if (xWhenYisZero <= width) {
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aim.setAttributeNS(null, 'x2', `${xWhenYisZero}in`);
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aim.setAttributeNS(null, 'y2', `0`);
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} else {
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aim.setAttributeNS(null, 'x2', `${width}in`);
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aim.setAttributeNS(null, 'y2', `${yWhenXisMax}in`);
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}
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} else if (x2 - x1 < 0 && y2 - y1 < 0) {
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let yWhenXisZero = (0 - x1) * (y2 - y1) / (x2 - x1) + y1;
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let xWhenYisZero = (0 - y1) * (x2 - x1) / (y2 - y1) + x1;
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if (yWhenXisZero >= 0) {
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aim.setAttributeNS(null, 'x2', `0`);
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aim.setAttributeNS(null, 'y2', `${yWhenXisZero}in`);
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} else {
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aim.setAttributeNS(null, 'x2', `${xWhenYisZero}in`);
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aim.setAttributeNS(null, 'y2', `0`);
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}
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} else {
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let yWhenXisZero = (0 - x1) * (y2 - y1) / (x2 - x1) + y1;
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let xWhenYisMax = (height - y1) * (x2 - x1) / (y2 - y1) + x1;
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if (yWhenXisZero <= height) {
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aim.setAttributeNS(null, 'x2', `0`);
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aim.setAttributeNS(null, 'y2', `${yWhenXisZero}in`);
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} else {
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aim.setAttributeNS(null, 'x2', `${xWhenYisMax}in`);
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aim.setAttributeNS(null, 'y2', `${height}in`);
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}
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}
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}
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});
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@ -139,21 +161,6 @@ document.querySelector('#set-firing-arc').addEventListener('click', e => {
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}
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});
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var columnCount = 33,
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rowCount = 25,
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pointDistanceInInches = 1.005;
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var isEven = n => n % 2 === 0;
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var columns = [...Array(columnCount).keys()],
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rows = [...Array(rowCount).keys()],
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points = rows.map(y => columns.map(x => [x, y]));
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var xOffset = 0.25,
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yOffset = 0.45;
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calcY = Math.sqrt(3) * pointDistanceInInches / 2,
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alternatingOffset = pointDistanceInInches / 2;
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points.forEach((row, index) => row.forEach(([x, y]) => {
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var cx = x * pointDistanceInInches + xOffset + (isEven(index) ? alternatingOffset : 0),
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cy = y * pointDistanceInInches * calcY + yOffset,
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@ -199,19 +206,12 @@ points.forEach((row, index) => row.forEach(([x, y]) => {
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svg.appendChild(point);
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}));
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let getPointCoords = (x, y) => {
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let point = document.querySelector(`[data-x="${x}"][data-y="${y}"]`);
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let smlArc = document.createElementNS(svgns, 'polygon');
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smlArc.setAttributeNS(null, 'id', 'small-arc');
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let smlArcPoints = `${getPointCoords(1, 24)} ${getPointCoords(1, 21)} ${getPointCoords(2, 21)}`;
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smlArc.setAttributeNS(null, 'points', smlArcPoints);
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return [point.x.baseVal.value, point.y.baseVal.value]
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};
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let smallArc = document.createElementNS(svgns, 'polygon');
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smallArc.setAttributeNS(null, 'id', 'small-arc');
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let smallArcPoints = `${getPointCoords(1, 24)} ${getPointCoords(1, 21)} ${getPointCoords(2, 21)}`;
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smallArc.setAttributeNS(null, 'points', smallArcPoints);
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svg.appendChild(smallArc);
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svg.appendChild(smlArc);
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let medArc = document.createElementNS(svgns, 'polygon');
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medArc.setAttributeNS(null, 'id', 'med-arc');
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@ -227,7 +227,11 @@ lrgArc.setAttributeNS(null, 'points', lrgArcPoints);
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svg.appendChild(lrgArc);
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arc = document.querySelector('#med-arc');
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let [ox, oy] = getPointCoords(4, 24);
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arc.style.transformOrigin = `${ox}px ${oy}px`;
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arc.style.transform = 'rotate(90deg)';
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// arc = document.querySelector('#med-arc');
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// let [ox, oy] = getPointCoords(4, 24);
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// arc.style.transformOrigin = `${ox}px ${oy}px`;
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// arc.style.transform = 'rotate(90deg)';
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var smlArcAngle = radToDeg((Math.atan(pointDistanceInInches / (6 * calcY)) * 2));
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var medArcAngle = radToDeg((Math.atan((3 * pointDistanceInInches) / (6 * calcY)) * 2));
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var lrgArcAngle = radToDeg((Math.atan((21 * pointDistanceInInches) / (6 * calcY)) * 2));
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