mirror of
https://github.com/Azgaar/Fantasy-Map-Generator.git
synced 2025-12-17 17:51:24 +01:00
828 lines
24 KiB
JavaScript
828 lines
24 KiB
JavaScript
// FMG helper functions
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"use strict";
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// add boundary points to pseudo-clip voronoi cells
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function getBoundaryPoints(width, height, spacing) {
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const offset = rn(-1 * spacing);
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const bSpacing = spacing * 2;
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const w = width - offset * 2;
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const h = height - offset * 2;
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const numberX = Math.ceil(w / bSpacing) - 1;
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const numberY = Math.ceil(h / bSpacing) - 1;
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let points = [];
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for (let i = 0.5; i < numberX; i++) {
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let x = Math.ceil((w * i) / numberX + offset);
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points.push([x, offset], [x, h + offset]);
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}
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for (let i = 0.5; i < numberY; i++) {
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let y = Math.ceil((h * i) / numberY + offset);
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points.push([offset, y], [w + offset, y]);
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}
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return points;
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}
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// get points on a regular square grid and jitter them a bit
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function getJitteredGrid(width, height, spacing) {
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const radius = spacing / 2; // square radius
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const jittering = radius * 0.9; // max deviation
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const doubleJittering = jittering * 2;
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const jitter = () => Math.random() * doubleJittering - jittering;
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let points = [];
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for (let y = radius; y < height; y += spacing) {
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for (let x = radius; x < width; x += spacing) {
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const xj = Math.min(rn(x + jitter(), 2), width);
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const yj = Math.min(rn(y + jitter(), 2), height);
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points.push([xj, yj]);
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}
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}
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return points;
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}
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// return cell index on a regular square grid
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function findGridCell(x, y) {
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return Math.floor(Math.min(y / grid.spacing, grid.cellsY - 1)) * grid.cellsX + Math.floor(Math.min(x / grid.spacing, grid.cellsX - 1));
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}
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// return array of cell indexes in radius on a regular square grid
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function findGridAll(x, y, radius) {
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const c = grid.cells.c;
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let r = Math.floor(radius / grid.spacing);
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let found = [findGridCell(x, y)];
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if (!r || radius === 1) return found;
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if (r > 0) found = found.concat(c[found[0]]);
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if (r > 1) {
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let frontier = c[found[0]];
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while (r > 1) {
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let cycle = frontier.slice();
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frontier = [];
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cycle.forEach(function (s) {
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c[s].forEach(function (e) {
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if (found.indexOf(e) !== -1) return;
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found.push(e);
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frontier.push(e);
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});
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});
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r--;
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}
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}
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return found;
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}
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// return closest pack points quadtree datum
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function find(x, y, radius = Infinity) {
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return pack.cells.q.find(x, y, radius);
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}
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// return closest cell index
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function findCell(x, y, radius = Infinity) {
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const found = pack.cells.q.find(x, y, radius);
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return found ? found[2] : undefined;
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}
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// return array of cell indexes in radius
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function findAll(x, y, radius) {
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const found = pack.cells.q.findAll(x, y, radius);
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return found.map(r => r[2]);
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}
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// get polygon points for packed cells knowing cell id
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function getPackPolygon(i) {
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return pack.cells.v[i].map(v => pack.vertices.p[v]);
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}
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// get polygon points for initial cells knowing cell id
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function getGridPolygon(i) {
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return grid.cells.v[i].map(v => grid.vertices.p[v]);
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}
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// mbostock's poissonDiscSampler
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function* poissonDiscSampler(x0, y0, x1, y1, r, k = 3) {
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if (!(x1 >= x0) || !(y1 >= y0) || !(r > 0)) throw new Error();
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const width = x1 - x0;
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const height = y1 - y0;
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const r2 = r * r;
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const r2_3 = 3 * r2;
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const cellSize = r * Math.SQRT1_2;
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const gridWidth = Math.ceil(width / cellSize);
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const gridHeight = Math.ceil(height / cellSize);
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const grid = new Array(gridWidth * gridHeight);
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const queue = [];
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function far(x, y) {
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const i = (x / cellSize) | 0;
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const j = (y / cellSize) | 0;
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const i0 = Math.max(i - 2, 0);
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const j0 = Math.max(j - 2, 0);
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const i1 = Math.min(i + 3, gridWidth);
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const j1 = Math.min(j + 3, gridHeight);
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for (let j = j0; j < j1; ++j) {
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const o = j * gridWidth;
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for (let i = i0; i < i1; ++i) {
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const s = grid[o + i];
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if (s) {
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const dx = s[0] - x;
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const dy = s[1] - y;
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if (dx * dx + dy * dy < r2) return false;
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}
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}
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}
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return true;
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}
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function sample(x, y) {
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queue.push((grid[gridWidth * ((y / cellSize) | 0) + ((x / cellSize) | 0)] = [x, y]));
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return [x + x0, y + y0];
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}
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yield sample(width / 2, height / 2);
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pick: while (queue.length) {
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const i = (Math.random() * queue.length) | 0;
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const parent = queue[i];
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for (let j = 0; j < k; ++j) {
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const a = 2 * Math.PI * Math.random();
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const r = Math.sqrt(Math.random() * r2_3 + r2);
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const x = parent[0] + r * Math.cos(a);
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const y = parent[1] + r * Math.sin(a);
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if (0 <= x && x < width && 0 <= y && y < height && far(x, y)) {
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yield sample(x, y);
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continue pick;
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}
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}
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const r = queue.pop();
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if (i < queue.length) queue[i] = r;
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}
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}
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// filter land cells
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function isLand(i) {
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return pack.cells.h[i] >= 20;
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}
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// filter water cells
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function isWater(i) {
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return pack.cells.h[i] < 20;
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}
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// convert RGB color string to HEX without #
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function toHEX(rgb) {
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if (rgb.charAt(0) === "#") {
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return rgb;
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}
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rgb = rgb.match(/^rgba?[\s+]?\([\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?/i);
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return rgb && rgb.length === 4
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? "#" +
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("0" + parseInt(rgb[1], 10).toString(16)).slice(-2) +
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("0" + parseInt(rgb[2], 10).toString(16)).slice(-2) +
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("0" + parseInt(rgb[3], 10).toString(16)).slice(-2)
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: "";
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}
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// return array of standard shuffled colors
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function getColors(number) {
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const c12 = ["#dababf", "#fb8072", "#80b1d3", "#fdb462", "#b3de69", "#fccde5", "#c6b9c1", "#bc80bd", "#ccebc5", "#ffed6f", "#8dd3c7", "#eb8de7"];
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const cRB = d3.scaleSequential(d3.interpolateRainbow);
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const colors = d3.shuffle(d3.range(number).map(i => (i < 12 ? c12[i] : d3.color(cRB((i - 12) / (number - 12))).hex())));
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return colors;
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}
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function getRandomColor() {
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return d3.color(d3.scaleSequential(d3.interpolateRainbow)(Math.random())).hex();
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}
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// mix a color with a random color
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function getMixedColor(color, mix = 0.2, bright = 0.3) {
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const c = color && color[0] === "#" ? color : getRandomColor(); // if provided color is not hex (e.g. harching), generate random one
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return d3.color(d3.interpolate(c, getRandomColor())(mix)).brighter(bright).hex();
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}
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// conver temperature from °C to other scales
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function convertTemperature(c) {
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switch (temperatureScale.value) {
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case "°C":
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return c + "°C";
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case "°F":
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return rn((c * 9) / 5 + 32) + "°F";
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case "K":
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return rn(c + 273.15) + "K";
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case "°R":
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return rn(((c + 273.15) * 9) / 5) + "°R";
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case "°De":
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return rn(((100 - c) * 3) / 2) + "°De";
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case "°N":
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return rn((c * 33) / 100) + "°N";
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case "°Ré":
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return rn((c * 4) / 5) + "°Ré";
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case "°Rø":
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return rn((c * 21) / 40 + 7.5) + "°Rø";
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default:
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return c + "°C";
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}
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}
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// random number in a range
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function rand(min, max) {
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if (min === undefined && max === undefined) return Math.random();
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if (max === undefined) {
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max = min;
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min = 0;
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}
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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// probability shorthand
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function P(probability) {
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if (probability >= 1) return true;
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if (probability <= 0) return false;
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return Math.random() < probability;
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}
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function each(n) {
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return i => i % n === 0;
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}
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// random number (normal or gaussian distribution)
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function gauss(expected = 100, deviation = 30, min = 0, max = 300, round = 0) {
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return rn(Math.max(Math.min(d3.randomNormal(expected, deviation)(), max), min), round);
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}
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// probability shorthand for floats
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function Pint(float) {
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return ~~float + +P(float % 1);
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}
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// round value to d decimals
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function rn(v, d = 0) {
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const m = Math.pow(10, d);
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return Math.round(v * m) / m;
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}
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// round string to d decimals
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function round(s, d = 1) {
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return s.replace(/[\d\.-][\d\.e-]*/g, function (n) {
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return rn(n, d);
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});
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}
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// corvent number to short string with SI postfix
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function si(n) {
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if (n >= 1e9) return rn(n / 1e9, 1) + "B";
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if (n >= 1e8) return rn(n / 1e6) + "M";
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if (n >= 1e6) return rn(n / 1e6, 1) + "M";
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if (n >= 1e4) return rn(n / 1e3) + "K";
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if (n >= 1e3) return rn(n / 1e3, 1) + "K";
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return rn(n);
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}
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// getInteger number from user input data
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function getInteger(value) {
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const metric = value.slice(-1);
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if (metric === "K") return parseInt(value.slice(0, -1) * 1e3);
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if (metric === "M") return parseInt(value.slice(0, -1) * 1e6);
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if (metric === "B") return parseInt(value.slice(0, -1) * 1e9);
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return parseInt(value);
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}
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// remove parent element (usually if child is clicked)
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function removeParent() {
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this.parentNode.parentNode.removeChild(this.parentNode);
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}
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// return string with 1st char capitalized
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function capitalize(string) {
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return string.charAt(0).toUpperCase() + string.slice(1);
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}
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// transform string to array [translateX,translateY,rotateDeg,rotateX,rotateY,scale]
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function parseTransform(string) {
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if (!string) {
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return [0, 0, 0, 0, 0, 1];
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}
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const a = string
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.replace(/[a-z()]/g, "")
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.replace(/[ ]/g, ",")
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.split(",");
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return [a[0] || 0, a[1] || 0, a[2] || 0, a[3] || 0, a[4] || 0, a[5] || 1];
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}
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// findAll d3.quandtree search from https://bl.ocks.org/lwthatcher/b41479725e0ff2277c7ac90df2de2b5e
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void (function addFindAll() {
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const Quad = function (node, x0, y0, x1, y1) {
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this.node = node;
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this.x0 = x0;
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this.y0 = y0;
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this.x1 = x1;
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this.y1 = y1;
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};
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const tree_filter = function (x, y, radius) {
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var t = {x, y, x0: this._x0, y0: this._y0, x3: this._x1, y3: this._y1, quads: [], node: this._root};
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if (t.node) {
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t.quads.push(new Quad(t.node, t.x0, t.y0, t.x3, t.y3));
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}
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radiusSearchInit(t, radius);
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var i = 0;
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while ((t.q = t.quads.pop())) {
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i++;
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// Stop searching if this quadrant can’t contain a closer node.
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if (!(t.node = t.q.node) || (t.x1 = t.q.x0) > t.x3 || (t.y1 = t.q.y0) > t.y3 || (t.x2 = t.q.x1) < t.x0 || (t.y2 = t.q.y1) < t.y0) continue;
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// Bisect the current quadrant.
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if (t.node.length) {
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t.node.explored = true;
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var xm = (t.x1 + t.x2) / 2,
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ym = (t.y1 + t.y2) / 2;
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t.quads.push(
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new Quad(t.node[3], xm, ym, t.x2, t.y2),
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new Quad(t.node[2], t.x1, ym, xm, t.y2),
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new Quad(t.node[1], xm, t.y1, t.x2, ym),
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new Quad(t.node[0], t.x1, t.y1, xm, ym)
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);
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// Visit the closest quadrant first.
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if ((t.i = ((y >= ym) << 1) | (x >= xm))) {
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t.q = t.quads[t.quads.length - 1];
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t.quads[t.quads.length - 1] = t.quads[t.quads.length - 1 - t.i];
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t.quads[t.quads.length - 1 - t.i] = t.q;
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}
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}
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// Visit this point. (Visiting coincident points isn’t necessary!)
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else {
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var dx = x - +this._x.call(null, t.node.data),
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dy = y - +this._y.call(null, t.node.data),
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d2 = dx * dx + dy * dy;
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radiusSearchVisit(t, d2);
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}
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}
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return t.result;
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};
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d3.quadtree.prototype.findAll = tree_filter;
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var radiusSearchInit = function (t, radius) {
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t.result = [];
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(t.x0 = t.x - radius), (t.y0 = t.y - radius);
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(t.x3 = t.x + radius), (t.y3 = t.y + radius);
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t.radius = radius * radius;
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};
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var radiusSearchVisit = function (t, d2) {
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t.node.data.scanned = true;
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if (d2 < t.radius) {
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do {
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t.result.push(t.node.data);
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t.node.data.selected = true;
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} while ((t.node = t.node.next));
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}
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};
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})();
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// get segment of any point on polyline
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function getSegmentId(points, point, step = 10) {
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if (points.length === 2) return 1;
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const d2 = (p1, p2) => (p1[0] - p2[0]) ** 2 + (p1[1] - p2[1]) ** 2;
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let minSegment = 1;
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let minDist = Infinity;
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for (let i = 0; i < points.length - 1; i++) {
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const p1 = points[i];
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const p2 = points[i + 1];
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const length = Math.sqrt(d2(p1, p2));
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const segments = Math.ceil(length / step);
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const dx = (p2[0] - p1[0]) / segments;
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const dy = (p2[1] - p1[1]) / segments;
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for (let s = 0; s < segments; s++) {
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const x = p1[0] + s * dx;
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const y = p1[1] + s * dy;
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const dist2 = d2(point, [x, y]);
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if (dist2 >= minDist) continue;
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minDist = dist2;
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minSegment = i + 1;
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}
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}
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return minSegment;
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}
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// normalization function
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function normalize(val, min, max) {
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return Math.min(Math.max((val - min) / (max - min), 0), 1);
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}
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// return a random integer from min to max biased towards one end based on exponent distribution (the bigger ex the higher bias towards min)
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// from https://gamedev.stackexchange.com/a/116875
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function biased(min, max, ex) {
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return Math.round(min + (max - min) * Math.pow(Math.random(), ex));
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}
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// return array of values common for both array a and array b
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function common(a, b) {
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const setB = new Set(b);
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return [...new Set(a)].filter(a => setB.has(a));
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}
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// clip polygon by graph bbox
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function clipPoly(points, secure = 0) {
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return polygonclip(points, [0, 0, graphWidth, graphHeight], secure);
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}
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// check if char is vowel or can serve as vowel
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function vowel(c) {
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return `aeiouyɑ'əøɛœæɶɒɨɪɔɐʊɤɯаоиеёэыуюяàèìòùỳẁȁȅȉȍȕáéíóúýẃőűâêîôûŷŵäëïöüÿẅãẽĩõũỹąęįǫųāēīōūȳăĕĭŏŭǎěǐǒǔȧėȯẏẇạẹịọụỵẉḛḭṵṳ`.includes(c);
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}
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// remove vowels from the end of the string
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function trimVowels(string) {
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while (string.length > 3 && vowel(last(string))) {
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string = string.slice(0, -1);
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}
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return string;
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}
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// get adjective form from noun
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function getAdjective(string) {
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// special cases for some suffixes
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if (string.length > 8 && string.slice(-6) === "orszag") return string.slice(0, -6);
|
||
if (string.length > 6 && string.slice(-4) === "stan") return string.slice(0, -4);
|
||
if (P(0.5) && string.slice(-4) === "land") return string + "ic";
|
||
if (string.slice(-4) === " Guo") string = string.slice(0, -4);
|
||
|
||
// don't change is name ends on suffix
|
||
if (string.slice(-2) === "an") return string;
|
||
if (string.slice(-3) === "ese") return string;
|
||
if (string.slice(-1) === "i") return string;
|
||
|
||
const end = string.slice(-1); // last letter of string
|
||
if (end === "a") return (string += "n");
|
||
if (end === "o") return (string = trimVowels(string) + "an");
|
||
if (vowel(end) || end === "c") return (string += "an"); // ceiuy
|
||
if (end === "m" || end === "n") return (string += "ese");
|
||
if (end === "q") return (string += "i");
|
||
return trimVowels(string) + "ian";
|
||
}
|
||
|
||
// get ordinal out of integer: 1 => 1st
|
||
const nth = n => n + (["st", "nd", "rd"][((((n + 90) % 100) - 10) % 10) - 1] || "th");
|
||
|
||
// get two-letters code (abbreviation) from string
|
||
function abbreviate(name, restricted = []) {
|
||
const parsed = name.replace("Old ", "O ").replace(/[()]/g, ""); // remove Old prefix and parentheses
|
||
const words = parsed.split(" ");
|
||
const letters = words.join("");
|
||
|
||
let code = words.length === 2 ? words[0][0] + words[1][0] : letters.slice(0, 2);
|
||
for (let i = 1; i < letters.length - 1 && restricted.includes(code); i++) {
|
||
code = letters[0] + letters[i].toUpperCase();
|
||
}
|
||
return code;
|
||
}
|
||
|
||
// conjunct array: [A,B,C] => "A, B and C"
|
||
function list(array) {
|
||
if (!Intl.ListFormat) return array.join(", ");
|
||
const conjunction = new Intl.ListFormat(window.lang || "en", {style: "long", type: "conjunction"});
|
||
return conjunction.format(array);
|
||
}
|
||
|
||
// split string into 2 almost equal parts not breaking words
|
||
function splitInTwo(str) {
|
||
const half = str.length / 2;
|
||
const ar = str.split(" ");
|
||
if (ar.length < 2) return ar; // only one word
|
||
let first = "",
|
||
last = "",
|
||
middle = "",
|
||
rest = "";
|
||
|
||
ar.forEach((w, d) => {
|
||
if (d + 1 !== ar.length) w += " ";
|
||
rest += w;
|
||
if (!first || rest.length < half) first += w;
|
||
else if (!middle) middle = w;
|
||
else last += w;
|
||
});
|
||
|
||
if (!last) return [first, middle];
|
||
if (first.length < last.length) return [first + middle, last];
|
||
return [first, middle + last];
|
||
}
|
||
|
||
// return the last element of array
|
||
function last(array) {
|
||
return array[array.length - 1];
|
||
}
|
||
|
||
// return random value from the array
|
||
function ra(array) {
|
||
return array[Math.floor(Math.random() * array.length)];
|
||
}
|
||
|
||
// return random value from weighted array {"key1":weight1, "key2":weight2}
|
||
function rw(object) {
|
||
const array = [];
|
||
for (const key in object) {
|
||
for (let i = 0; i < object[key]; i++) {
|
||
array.push(key);
|
||
}
|
||
}
|
||
return array[Math.floor(Math.random() * array.length)];
|
||
}
|
||
|
||
// return value in range [0, 100] (height range)
|
||
function lim(v) {
|
||
return Math.max(Math.min(v, 100), 0);
|
||
}
|
||
|
||
// get number from string in format "1-3" or "2" or "0.5"
|
||
function getNumberInRange(r) {
|
||
if (typeof r !== "string") {
|
||
ERROR && console.error("The value should be a string", r);
|
||
return 0;
|
||
}
|
||
if (!isNaN(+r)) return ~~r + +P(r - ~~r);
|
||
const sign = r[0] === "-" ? -1 : 1;
|
||
if (isNaN(+r[0])) r = r.slice(1);
|
||
const range = r.includes("-") ? r.split("-") : null;
|
||
if (!range) {
|
||
ERROR && console.error("Cannot parse the number. Check the format", r);
|
||
return 0;
|
||
}
|
||
const count = rand(range[0] * sign, +range[1]);
|
||
if (isNaN(count) || count < 0) {
|
||
ERROR && console.error("Cannot parse number. Check the format", r);
|
||
return 0;
|
||
}
|
||
return count;
|
||
}
|
||
|
||
// return center point of common edge of 2 pack cells
|
||
function getMiddlePoint(cell1, cell2) {
|
||
const {cells, vertices} = pack;
|
||
|
||
const commonVertices = cells.v[cell1].filter(vertex => vertices.c[vertex].some(cell => cell === cell2));
|
||
const [x1, y1] = vertices.p[commonVertices[0]];
|
||
const [x2, y2] = vertices.p[commonVertices[1]];
|
||
|
||
const x = (x1 + x2) / 2;
|
||
const y = (y1 + y2) / 2;
|
||
|
||
return [x, y];
|
||
}
|
||
|
||
// helper function non-used for the generation
|
||
function drawCellsValue(data) {
|
||
debug.selectAll("text").remove();
|
||
debug
|
||
.selectAll("text")
|
||
.data(data)
|
||
.enter()
|
||
.append("text")
|
||
.attr("x", (d, i) => pack.cells.p[i][0])
|
||
.attr("y", (d, i) => pack.cells.p[i][1])
|
||
.text(d => d);
|
||
}
|
||
|
||
// helper function non-used for the generation
|
||
function drawPolygons(data) {
|
||
const max = d3.max(data),
|
||
min = d3.min(data),
|
||
scheme = getColorScheme();
|
||
data = data.map(d => 1 - normalize(d, min, max));
|
||
|
||
debug.selectAll("polygon").remove();
|
||
debug
|
||
.selectAll("polygon")
|
||
.data(data)
|
||
.enter()
|
||
.append("polygon")
|
||
.attr("points", (d, i) => getPackPolygon(i))
|
||
.attr("fill", d => scheme(d))
|
||
.attr("stroke", d => scheme(d));
|
||
}
|
||
|
||
// polyfill for composedPath
|
||
function getComposedPath(node) {
|
||
let parent;
|
||
if (node.parentNode) parent = node.parentNode;
|
||
else if (node.host) parent = node.host;
|
||
else if (node.defaultView) parent = node.defaultView;
|
||
if (parent !== undefined) return [node].concat(getComposedPath(parent));
|
||
return [node];
|
||
}
|
||
|
||
// polyfill for replaceAll
|
||
if (!String.prototype.replaceAll) {
|
||
String.prototype.replaceAll = function (str, newStr) {
|
||
if (Object.prototype.toString.call(str).toLowerCase() === "[object regexp]") return this.replace(str, newStr);
|
||
return this.replace(new RegExp(str, "g"), newStr);
|
||
};
|
||
}
|
||
|
||
// get next unused id
|
||
function getNextId(core, i = 1) {
|
||
while (document.getElementById(core + i)) i++;
|
||
return core + i;
|
||
}
|
||
|
||
function debounce(func, ms) {
|
||
let isCooldown = false;
|
||
|
||
return function () {
|
||
if (isCooldown) return;
|
||
func.apply(this, arguments);
|
||
isCooldown = true;
|
||
setTimeout(() => (isCooldown = false), ms);
|
||
};
|
||
}
|
||
|
||
function throttle(func, ms) {
|
||
let isThrottled = false;
|
||
let savedArgs;
|
||
let savedThis;
|
||
|
||
function wrapper() {
|
||
if (isThrottled) {
|
||
savedArgs = arguments;
|
||
savedThis = this;
|
||
return;
|
||
}
|
||
|
||
func.apply(this, arguments);
|
||
isThrottled = true;
|
||
|
||
setTimeout(function () {
|
||
isThrottled = false;
|
||
if (savedArgs) {
|
||
wrapper.apply(savedThis, savedArgs);
|
||
savedArgs = savedThis = null;
|
||
}
|
||
}, ms);
|
||
}
|
||
|
||
return wrapper;
|
||
}
|
||
|
||
// parse error to get the readable string in Chrome and Firefox
|
||
function parseError(error) {
|
||
const isFirefox = navigator.userAgent.toLowerCase().indexOf("firefox") > -1;
|
||
const errorString = isFirefox ? error.toString() + " " + error.stack : error.stack;
|
||
const regex = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/gi;
|
||
const errorNoURL = errorString.replace(regex, url => "<i>" + last(url.split("/")) + "</i>");
|
||
const errorParsed = errorNoURL.replace(/at /gi, "<br> at ");
|
||
return errorParsed;
|
||
}
|
||
|
||
// polyfills
|
||
if (Array.prototype.flat === undefined) {
|
||
Array.prototype.flat = function () {
|
||
return this.reduce((acc, val) => (Array.isArray(val) ? acc.concat(val.flat()) : acc.concat(val)), []);
|
||
};
|
||
}
|
||
|
||
// check if string is a valid for JSON parse
|
||
JSON.isValid = str => {
|
||
try {
|
||
JSON.parse(str);
|
||
} catch (e) {
|
||
return false;
|
||
}
|
||
return true;
|
||
};
|
||
|
||
function getBase64(url, callback) {
|
||
const xhr = new XMLHttpRequest();
|
||
xhr.onload = function () {
|
||
const reader = new FileReader();
|
||
reader.onloadend = function () {
|
||
callback(reader.result);
|
||
};
|
||
reader.readAsDataURL(xhr.response);
|
||
};
|
||
xhr.open("GET", url);
|
||
xhr.responseType = "blob";
|
||
xhr.send();
|
||
}
|
||
|
||
function getAbsolutePath(href) {
|
||
if (!href) return "";
|
||
const link = document.createElement("a");
|
||
link.href = href;
|
||
return link.href;
|
||
}
|
||
|
||
// open URL in a new tab or window
|
||
function openURL(url) {
|
||
window.open(url, "_blank");
|
||
}
|
||
|
||
// open project wiki-page
|
||
function wiki(page) {
|
||
window.open("https://github.com/Azgaar/Fantasy-Map-Generator/wiki/" + page, "_blank");
|
||
}
|
||
|
||
// wrap URL into html a element
|
||
function link(URL, description) {
|
||
return `<a href="${URL}" rel="noopener" target="_blank">${description}</a>`;
|
||
}
|
||
|
||
function isCtrlClick(event) {
|
||
// meta key is cmd key on MacOs
|
||
return event.ctrlKey || event.metaKey;
|
||
}
|
||
|
||
function generateDate(from = 100, to = 1000) {
|
||
return new Date(rand(from, to), rand(12), rand(31)).toLocaleDateString("en", {year: "numeric", month: "long", day: "numeric"});
|
||
}
|
||
|
||
function getQGIScoordinates(x, y) {
|
||
const cx = mapCoordinates.lonW + (x / graphWidth) * mapCoordinates.lonT;
|
||
const cy = mapCoordinates.latN - (y / graphHeight) * mapCoordinates.latT; // this is inverted in QGIS otherwise
|
||
return [cx, cy];
|
||
}
|
||
|
||
// prompt replacer (prompt does not work in Electron)
|
||
void (function () {
|
||
const prompt = document.getElementById("prompt");
|
||
const form = prompt.querySelector("#promptForm");
|
||
|
||
window.prompt = function (promptText = "Please provide an input", options = {default: 1, step: 0.01, min: 0, max: 100}, callback) {
|
||
if (options.default === undefined) {
|
||
ERROR && console.error("Prompt: options object does not have default value defined");
|
||
return;
|
||
}
|
||
const input = prompt.querySelector("#promptInput");
|
||
prompt.querySelector("#promptText").innerHTML = promptText;
|
||
const type = typeof options.default === "number" ? "number" : "text";
|
||
input.type = type;
|
||
if (options.step !== undefined) input.step = options.step;
|
||
if (options.min !== undefined) input.min = options.min;
|
||
if (options.max !== undefined) input.max = options.max;
|
||
input.placeholder = "type a " + type;
|
||
input.value = options.default;
|
||
prompt.style.display = "block";
|
||
|
||
form.addEventListener(
|
||
"submit",
|
||
event => {
|
||
prompt.style.display = "none";
|
||
const v = type === "number" ? +input.value : input.value;
|
||
event.preventDefault();
|
||
if (callback) callback(v);
|
||
},
|
||
{once: true}
|
||
);
|
||
};
|
||
|
||
const cancel = prompt.querySelector("#promptCancel");
|
||
cancel.addEventListener("click", () => (prompt.style.display = "none"));
|
||
})();
|
||
|
||
// indexedDB; ldb object
|
||
!(function () {
|
||
function e(t, o) {
|
||
return n
|
||
? void (n.transaction("s").objectStore("s").get(t).onsuccess = function (e) {
|
||
var t = (e.target.result && e.target.result.v) || null;
|
||
o(t);
|
||
})
|
||
: void setTimeout(function () {
|
||
e(t, o);
|
||
}, 100);
|
||
}
|
||
var t = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
|
||
if (!t) return void ERROR && console.error("indexedDB not supported");
|
||
var n,
|
||
o = {k: "", v: ""},
|
||
r = t.open("d2", 1);
|
||
(r.onsuccess = function (e) {
|
||
n = this.result;
|
||
}),
|
||
(r.onerror = function (e) {
|
||
ERROR && console.error("indexedDB request error"), INFO && console.log(e);
|
||
}),
|
||
(r.onupgradeneeded = function (e) {
|
||
n = null;
|
||
var t = e.target.result.createObjectStore("s", {keyPath: "k"});
|
||
t.transaction.oncomplete = function (e) {
|
||
n = e.target.db;
|
||
};
|
||
}),
|
||
(window.ldb = {
|
||
get: e,
|
||
set: function (e, t) {
|
||
(o.k = e), (o.v = t), n.transaction("s", "readwrite").objectStore("s").put(o);
|
||
}
|
||
});
|
||
})();
|