From c12a5015e05485f047c242e8da5ba37b9548c78e Mon Sep 17 00:00:00 2001
From: Ricardo Matias <ricardo.matias0@gmail.com>
Date: Sun, 3 Jan 2021 11:45:17 +0100
Subject: [PATCH] [orx-noise] isolated method for non-stateful rng (#155)

---
 orx-noise/src/main/kotlin/Random.kt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/orx-noise/src/main/kotlin/Random.kt b/orx-noise/src/main/kotlin/Random.kt
index 3c4cc226..0901511b 100644
--- a/orx-noise/src/main/kotlin/Random.kt
+++ b/orx-noise/src/main/kotlin/Random.kt
@@ -54,6 +54,18 @@ object Random {
         seed = "${seedBase}-${seedTracking}"
     }
 
+    fun isolated(fn: Random.() -> Unit) {
+        val state = rnd
+        val currentSeed = seed
+
+        resetState()
+
+        this.fn()
+
+        seed = currentSeed
+        rnd = state
+    }
+
     fun double(min: Double = -1.0, max: Double = 1.0): Double {
         return Double.uniform(min, max, rnd)
     }