From 3811eebc8f5215c0920981301e9d37f3e8a3ec79 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sat, 4 Feb 2023 09:21:16 +0100
Subject: [PATCH] rogueviz:: darken_a fixed

---
 rogueviz/rogueviz.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rogueviz/rogueviz.cpp b/rogueviz/rogueviz.cpp
index a75f927f..16f7000c 100644
--- a/rogueviz/rogueviz.cpp
+++ b/rogueviz/rogueviz.cpp
@@ -402,7 +402,7 @@ void storeline(vector<glvertex>& tab, const hyperpoint& h1, const hyperpoint& h2
 
 color_t darken_a(color_t c) {
   for(int p=0; p<3; p++)
-  for(int i=0; i<darken; i++) part(c, i+1) = (part(c, i+1) + part(backcolor, i)) >> 1;
+  for(int i=0; i<darken; i++) part(c, p+1) = (part(c, p+1) + part(backcolor, p)) >> 1;
   return c;
   }