X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=globals.h;h=fe6d362eae69430bfbc5c9321951c377cef1d173;hp=5dd4300ff9b752da63fcab86cd4f3b098ad43679;hb=39d7272ede4e1ad75c15c9b7c4394e833df4591b;hpb=f8d9a447d9658d88f8088afb88d0d92e8087172c

diff --git a/globals.h b/globals.h
index 5dd4300..fe6d362 100644
--- a/globals.h
+++ b/globals.h
@@ -13,6 +13,10 @@
 #define NTEXTURE 30     // The number of textures (in the models-textures dir)
 #define MAXOBJECTS 256
 
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
 // Meshes and textures arrays
 extern mesh* meshes[];
 extern texture* textures[];