78 lines
2 KiB
JavaScript
78 lines
2 KiB
JavaScript
const PRNG = require('./prng');
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const data = require('./data.json');
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function random_name(PRNG, number_of_syllables, allow_second_name, allow_secondary) {
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var syllables = [], name;
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syllables.push(PRNG.pick(data.nameParts.prefix));
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for (var j = 2; j < number_of_syllables; j++) {
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syllables.push(PRNG.pick(data.nameParts.middle));
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}
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syllables.push(PRNG.pick(data.nameParts.suffix));
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name = syllables.join('');
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suffix = PRNG.pick(['', 'first-name', 'second-name', 'secondary'], [8, 1, 1, 4]);
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switch (suffix) {
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case 'first-name':
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if (allow_second_name !== false) {
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name = random_name(PRNG, PRNG.range(2, number_of_syllables), false, false) + " " + name;
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name = kappatalize(name);
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}
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break;
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case 'second-name':
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if (allow_second_name !== false) {
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name = name + " " + random_name(PRNG, PRNG.range(2, number_of_syllables), false);
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name = kappatalize(name);
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}
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break;
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case 'secondary':
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if (allow_secondary !== false) {
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name += " " + PRNG.pick(data.nameParts.secondary);
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name = kappatalize(name);
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}
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break;
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}
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return kappatalize(name);
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}
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function gravity(radius, density) {
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return density / 5.56 * radius / 6557;
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}
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function blackbody(insolation, albedo) {
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if (albedo === undefined) {
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albedo = 0;
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}
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return Math.pow((1367 * insolation * (1 - albedo)) / (4 * 0.0000000567), 0.25);
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}
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function fixed_value(val) {
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return function() {
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return val;
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}
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}
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function romanNumeral(n) {
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var units = ["I", "I", "I", "IV", "V", "VI", "VI", "VI", "IX"];
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if (n == 0) {
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return "";
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} else if (n < 0 || n >= 20) {
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return n;
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} else if (n >= 10) {
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return "X" + romanNumeral(n - 10);
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} else {
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return units[n - 1];
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}
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}
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function kappatalize(str) {
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return str.charAt(0).toUpperCase() + str.slice(1);
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}
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module.exports = {
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"random_name": random_name,
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"gravity": gravity,
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"blackbody": blackbody,
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"fixed_value": fixed_value,
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"romanNumeral": romanNumeral,
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"kappatalize": kappatalize
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}
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