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