From a29d334734f720431872266743ba5560870e3453 Mon Sep 17 00:00:00 2001
From: kai-z99 <147789796+kai-z99@users.noreply.github.com>
Date: Sun, 16 Jun 2024 01:44:31 -0700
Subject: [PATCH] [rmodels] Read uninitialized values in GenMeshTangents() -
 fix bounding case (#4066)

* fix

* assert
---
 src/rmodels.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/rmodels.c b/src/rmodels.c
index 5a6c6414c..308fb0a70 100644
--- a/src/rmodels.c
+++ b/src/rmodels.c
@@ -3436,7 +3436,12 @@ void GenMeshTangents(Mesh *mesh)
     Vector3 *tan1 = (Vector3 *)RL_MALLOC(mesh->vertexCount*sizeof(Vector3));
     Vector3 *tan2 = (Vector3 *)RL_MALLOC(mesh->vertexCount*sizeof(Vector3));
 
-    for (int i = 0; i < mesh->vertexCount - 3; i += 3)
+    if (mesh->vertexCount % 3 != 0)
+    {
+        TRACELOG(LOG_WARNING, "MESH: vertexCount expected to be a multiple of 3. Expect uninitialized values.");
+    }
+
+    for (int i = 0; i <= mesh->vertexCount - 3; i += 3)
     {
         // Get triangle vertices
         Vector3 v1 = { mesh->vertices[(i + 0)*3 + 0], mesh->vertices[(i + 0)*3 + 1], mesh->vertices[(i + 0)*3 + 2] };