From 28bda9a25bc7d6240a66f83ad6c62d68a339abe9 Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Thu, 11 Aug 2011 12:35:20 +0000
Subject: [PATCH] core: fix a bug in vector casts; vec2 -> vec3 promotion for
 instance would forget to zero the 3rd coordinate.

---
 src/matrix.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/matrix.h b/src/matrix.h
index 89d9fa7d..26d11cf4 100644
--- a/src/matrix.h
+++ b/src/matrix.h
@@ -66,6 +66,8 @@ namespace lol
         Vec##dest<T> ret; \
         for (int n = 0; n < elems && n < dest; n++) \
             ret[n] = (*this)[n]; \
+        for (int n = elems; n < dest; n++) \
+            ret[n] = 0; \
         return ret; \
     }