54 lines
1.7 KiB
TypeScript
54 lines
1.7 KiB
TypeScript
/// <reference path="Serializable.ts"/>
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module TS.SpaceTac.Game {
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// Random generator, used in all throws
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export class RandomGenerator extends Serializable {
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// Array of next values, empty for a correct generator
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private fake_values: number[];
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// Basic constructor (can specify fake values as arguments)
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constructor(...values: number[]) {
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super();
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this.fake_values = [];
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values.forEach((value: number) => {
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this.forceNextValue(value);
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});
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}
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// Generate a value, based on an attribute level
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throw(level: number = 1): number {
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if (this.fake_values.length > 0) {
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return this.fake_values.shift() * level;
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} else {
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return Math.random() * level;
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}
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}
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// Generate a random integer value in a range
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throwInt(min: number, max: number): number {
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var value = this.throw(max - min + 1);
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return Math.floor(value) + min;
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}
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// Choose a random item from an array
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choice(items: any[]): any {
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var index = this.throwInt(0, items.length - 1);
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return items[index];
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}
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// Fake the generator, by forcing the next value
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// Call it several times to set future successive values
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// This value will replace the 0.0-1.0 random value, not the final one
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forceNextValue(value: number): void {
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if (value < 0.0) {
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value = 0.0;
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} else if (value >= 1.0) {
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value = 0.999999999;
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}
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this.fake_values.push(value);
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}
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}
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}
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