Converted to the LGPL licencing terms.

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

diff --git a/simgear/sky/stars.cxx b/simgear/sky/stars.cxx
index 598af42d3b2a5031f51c684f7a877f90e9a6b745..4dd4225a98081d18bd39ecc60c581d63b9644a16 100644 (file)
--- a/simgear/sky/stars.cxx
+++ b/simgear/sky/stars.cxx
@@ -7,19 +7,20 @@
 //
 // Separated out rendering pieces and converted to ssg by Curt Olson,
 // March 2000
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of the
-// License, or (at your option) any later version.
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
 //
-// This program is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// General Public License for more details.
+// Library General Public License for more details.
 //
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the
+// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+// Boston, MA  02111-1307, USA.
 //
 // $Id$
 
@@ -147,26 +148,26 @@ 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 {