Index: src/Core/Entities/PlanetEntity.m
--- src/Core/Entities/PlanetEntity.m.orig
+++ src/Core/Entities/PlanetEntity.m
@@ -46,6 +46,10 @@ MA 02110-1301, USA.
 
 
 // straight c
+double corona_speed_factor;
+double corona_stage;
+GLfloat rvalue[729];
+
 static Vector base_vertex_array[10400];
 static int base_terrain_array[10400];
 static int next_free_vertex;
