Minor tidying up of interface.

[simgear.git] / simgear / sky / stars.cxx

diff --git a/simgear/sky/stars.cxx b/simgear/sky/stars.cxx
index 42a347327a82950cbd40c9f292bbc232f70ce534..d1d999c7bc9b27512620b78b30ab8210fb7934d1 100644 (file)
--- a/simgear/sky/stars.cxx
+++ b/simgear/sky/stars.cxx
@@ -31,10 +31,9 @@
 #include <stdio.h>
 #include <iostream>
 
+#include <plib/sg.h>
 #include <plib/ssg.h>
 
-#include <simgear/constants.h>
-
 #include "stars.hxx"
 
 #ifdef _MSC_VER
@@ -42,6 +41,7 @@ FG_USING_STD(cout);
 FG_USING_STD(endl);
 #endif 
 
+
 // Set up star rendering call backs
 static int sgStarPreDraw( ssgEntity *e ) {
     /* cout << endl << "Star pre draw" << endl << "----------------" 
@@ -147,26 +147,26 @@ bool SGStars::repaint( double sun_angle, int num, sgdVec3 *star_data ) {
     float *color;
 
     // determine which star structure to draw
-    if ( sun_angle > (FG_PI_2 + 10.0 * DEG_TO_RAD ) ) {
+    if ( sun_angle > (0.5 * SGD_PI + 10.0 * SGD_DEGREES_TO_RADIANS ) ) {
        // deep night
        factor = 1.0;
        cutoff = 4.5;
-    } else if ( sun_angle > (FG_PI_2 + 8.8 * DEG_TO_RAD ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 8.8 * SGD_DEGREES_TO_RADIANS ) ) {
        factor = 1.0;
        cutoff = 3.8;
-    } else if ( sun_angle > (FG_PI_2 + 7.5 * DEG_TO_RAD ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 7.5 * SGD_DEGREES_TO_RADIANS ) ) {
        factor = 0.95;
        cutoff = 3.1;
-    } else if ( sun_angle > (FG_PI_2 + 7.0 * DEG_TO_RAD ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 7.0 * SGD_DEGREES_TO_RADIANS ) ) {
        factor = 0.9;
        cutoff = 2.4;
-    } else if ( sun_angle > (FG_PI_2 + 6.5 * DEG_TO_RAD ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 6.5 * SGD_DEGREES_TO_RADIANS ) ) {
        factor = 0.85;
        cutoff = 1.8;
-    } else if ( sun_angle > (FG_PI_2 + 6.0 * DEG_TO_RAD ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 6.0 * SGD_DEGREES_TO_RADIANS ) ) {
        factor = 0.8;
        cutoff = 1.2;
-    } else if ( sun_angle > (FG_PI_2 + 5.5 * DEG_TO_RAD ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 5.5 * SGD_DEGREES_TO_RADIANS ) ) {
        factor = 0.75;
        cutoff = 0.6;
     } else {