From 510bec78dcd9d91dd57d8995b573b1fff5256821 Mon Sep 17 00:00:00 2001
From: hgn <hgodden00@gmail.com>
Date: Wed, 8 Nov 2023 05:25:07 +0000
Subject: [PATCH] DonkeyKong64 grind crash

---
 player_skate.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/player_skate.c b/player_skate.c
index 4688702..a89783c 100644
--- a/player_skate.c
+++ b/player_skate.c
@@ -181,8 +181,7 @@ too_many_samples:
    if( sample_count < 2 )
       return 0;
 
-   v3f 
-       average_direction,
+   v3f average_direction,
        average_normal;
 
    v2f min_co, max_co;
@@ -227,6 +226,10 @@ too_many_samples:
          v3_copy( si->normal3, n0 );
          v3_copy( sj->normal3, n1 );
          v3_cross( n0, n1, dir );
+
+         if( v3_length2( dir ) <= 0.001f )
+            continue;
+
          v3_normalize( dir );
 
          /* make sure the directions all face a common hemisphere */
-- 
2.25.1