// Lighting look up tables (based on sun angle with local horizon)
SGInterpTable *ambient_tbl;
SGInterpTable *diffuse_tbl;
+ SGInterpTable *specular_tbl;
SGInterpTable *sky_tbl;
public:
// diffuse component
GLfloat scene_diffuse[4];
+ // diffuse component
+ GLfloat scene_specular[4];
+
// fog color
GLfloat fog_color[4];