From 5e10e36d48818a67a817c84275218768203e9774 Mon Sep 17 00:00:00 2001
From: tangent <rose@tangentfox.com>
Date: Sat, 15 Aug 2026 02:43:03 -0600
Subject: [PATCH] Add Seed function

---
 simplex.lua | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/simplex.lua b/simplex.lua
index 2e90a8d..e10e60a 100644
--- a/simplex.lua
+++ b/simplex.lua
@@ -539,4 +539,21 @@ function simplex.Turbulence(func, direction, iter, ...)
     return math.sin(dir_component+ret)
 end
 
-return simplex
\ No newline at end of file
+function simplex.Seed(seed)
+    math.randomseed(seed)
+    local integers = {}
+    perm = {}
+    for i = 1, 256 do
+        integers[i] = i
+    end
+    while next(integers) do
+        perm[#perm + 1] = table.remove(integers, math.random(1, #integers))
+    end
+    perm[0] = perm[#perm]
+    perm[#perm] = nil
+    for i=0,255 do
+        perm[i+256] = perm[i]
+    end
+end
+
+return simplex