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Korokoroコロコロ

Roll mixed dice or type notation, compare exact probabilities, keep a history and replay seeded rolls.

Korokoro describes something small rolling in Japanese. About the name

Contents

Reference · Rolls and exact odds

luckOffunction

How lucky a total was, from 0 (the worst the dice can do) to 1 (the best): the share of rolls it beats, counting a tie as half. A 7 on 2d6 is 0.5.

Import it

import { luckOf } from "@johnmorrisdotca/korokoro";

Definition

function luckOf(spec: Odds, total: number): number

Parameters

NameTypeDescription
specOdds

Dice counts, sides, rules and modifier; omitted fields use the documented defaults.

totalnumber

The total to measure or compare.

Returns

number

How lucky a total was, from 0 (the worst the dice can do) to 1 (the best): the share of rolls it beats, counting a tie as half. A 7 on 2d6 is 0.5.

Examples

import { luckOf } from "@johnmorrisdotca/korokoro";
import { normalizeSpec } from "@johnmorrisdotca/korokoro";
const spec = normalizeSpec({ count: 2, sides: 6 });
console.log(luckOf(spec, 7));
0.5

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/korokoro 1.16.0.