Index: config.h
===================================================================
--- config.h	(revision 394)
+++ config.h	(revision 395)
@@ -63,3 +63,10 @@
 
 // raydium_capture_frame_jpeg() JPEG quality percentage
 #define DEBUG_JPEG_QUALITY	75
+
+// axis used by Volumetric Fog when rendering meshes
+// values: 0=x y=1 z=2
+#define RENDER_VOLUMETRIC_FOG_AXIS	2
+
+// reverse values from axis ?
+#define RENDER_VOLUMETRIC_FOG_AXIS_REVERSE