X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fsky%2Fstars.cxx;h=d1d999c7bc9b27512620b78b30ab8210fb7934d1;hb=1e53bedca5afda25517dabcfa298f13acab0d4bd;hp=598af42d3b2a5031f51c684f7a877f90e9a6b745;hpb=e15ffbc85630ae3ae947812cf2ef59162cce7b6b;p=simgear.git

diff --git a/simgear/sky/stars.cxx b/simgear/sky/stars.cxx
index 598af42d..d1d999c7 100644
--- a/simgear/sky/stars.cxx
+++ b/simgear/sky/stars.cxx
@@ -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 > (2 * SGD_PI + 10.0 * SGD_DEGREES_TO_RADIANS ) ) {
+    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 > (2 * SGD_PI + 8.8 * SGD_DEGREES_TO_RADIANS ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 8.8 * SGD_DEGREES_TO_RADIANS ) ) {
 	factor = 1.0;
 	cutoff = 3.8;
-    } else if ( sun_angle > (2 * SGD_PI + 7.5 * SGD_DEGREES_TO_RADIANS ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 7.5 * SGD_DEGREES_TO_RADIANS ) ) {
 	factor = 0.95;
 	cutoff = 3.1;
-    } else if ( sun_angle > (2 * SGD_PI + 7.0 * SGD_DEGREES_TO_RADIANS ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 7.0 * SGD_DEGREES_TO_RADIANS ) ) {
 	factor = 0.9;
 	cutoff = 2.4;
-    } else if ( sun_angle > (2 * SGD_PI + 6.5 * SGD_DEGREES_TO_RADIANS ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 6.5 * SGD_DEGREES_TO_RADIANS ) ) {
 	factor = 0.85;
 	cutoff = 1.8;
-    } else if ( sun_angle > (2 * SGD_PI + 6.0 * SGD_DEGREES_TO_RADIANS ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 6.0 * SGD_DEGREES_TO_RADIANS ) ) {
 	factor = 0.8;
 	cutoff = 1.2;
-    } else if ( sun_angle > (2 * SGD_PI + 5.5 * SGD_DEGREES_TO_RADIANS ) ) {
+    } else if ( sun_angle > (0.5 * SGD_PI + 5.5 * SGD_DEGREES_TO_RADIANS ) ) {
 	factor = 0.75;
 	cutoff = 0.6;
     } else {