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-rw-r--r--src/dice.js17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/dice.js b/src/dice.js
index ef67edf..9bc53d7 100644
--- a/src/dice.js
+++ b/src/dice.js
@@ -147,6 +147,22 @@ const again = (die1, die2) => {
}
}
+const threshold = (die1, die2) => {
+ return () => {
+ const cutoff = roll(die1)
+
+ return die2().map(die => {
+ return () => {
+ if (die() >= cutoff) {
+ return 1
+ } else {
+ return 0
+ }
+ }
+ })
+ }
+}
+
exports.pool = pool
exports.roll = roll
@@ -161,3 +177,4 @@ exports.explode = explode
exports.keepHigh = keepHigh
exports.keepLow = keepLow
exports.again = again
+exports.threshold = threshold