New weapon management, including shotgun

macro_roll.js

@@ -0,0 +1,19 @@
+let nb = 10000
+let sum = 0
+let results = []
+for (let i = 0; i < nb; i++) {
+  let r = new Roll("1d100")
+  await r.evaluate()
+  sum += r.total
+  results.push(r.total)
+}
+
+let mean = sum / nb
+let variance = results.reduce((acc, val) => acc + Math.pow(val - mean, 2), 0) / nb
+let stddev = Math.sqrt(variance)
+
+console.log("Average : ", mean)
+console.log("Standard deviation : ", stddev)
+console.log("Coefficient of variation : ", stddev / mean  )
+console.log("Min : ", Math.min(...results))
+console.log("Max : ", Math.max(...results))