Minor fix to make the dome always match the fog / horizon color at the

horizon, so we don't see the extreme far tile edges when it is really dark.

diff --git a/simgear/sky/dome.cxx b/simgear/sky/dome.cxx
index 374fc3aac41f179f112943bb0cc72b7fdf1d417c..bccdd6d427049c2b00fd6e1b42f5f9bd68692760 100644 (file)
--- a/simgear/sky/dome.cxx
+++ b/simgear/sky/dome.cxx
@@ -356,11 +356,11 @@ bool SGSkyDome::repaint( sgVec4 sky_color, sgVec4 fog_color, double sun_angle,
            lower_color[i][j] = fog_color[j] + outer_amt[j];
 
            if ( upper_color[i][j] > 1.0 ) { upper_color[i][j] = 1.0; }
-           if ( upper_color[i][j] < 0.1 ) { upper_color[i][j] = 0.1; }
+           if ( upper_color[i][j] < 0.0 ) { upper_color[i][j] = 0.0; }
            if ( middle_color[i][j] > 1.0 ) { middle_color[i][j] = 1.0; }
-           if ( middle_color[i][j] < 0.1 ) { middle_color[i][j] = 0.1; }
+           if ( middle_color[i][j] < 0.0 ) { middle_color[i][j] = 0.0; }
            if ( lower_color[i][j] > 1.0 ) { lower_color[i][j] = 1.0; }
-           if ( lower_color[i][j] < 0.1 ) { lower_color[i][j] = 0.1; }
+           if ( lower_color[i][j] < 0.0 ) { lower_color[i][j] = 0.0; }
        }
        upper_color[i][3] = middle_color[i][3] = lower_color[i][3] = 1.0;
 
@@ -375,10 +375,10 @@ bool SGSkyDome::repaint( sgVec4 sky_color, sgVec4 fog_color, double sun_angle,
        printf("middle_color[%d] = %.2f %.2f %.2f %.2f\n", i, 
               middle_color[i][0], middle_color[i][1], middle_color[i][2], 
               middle_color[i][3]);
+       */
        printf("lower_color[%d] = %.2f %.2f %.2f %.2f\n", i, 
               lower_color[i][0], lower_color[i][1], lower_color[i][2], 
               lower_color[i][3]);
-       */
     }
 
     sgSetVec3( outer_amt, 0.0, 0.0, 0.0 );
@@ -397,11 +397,11 @@ bool SGSkyDome::repaint( sgVec4 sky_color, sgVec4 fog_color, double sun_angle,
            lower_color[i][j] = fog_color[j] + outer_amt[j];
 
            if ( upper_color[i][j] > 1.0 ) { upper_color[i][j] = 1.0; }
-           if ( upper_color[i][j] < 0.1 ) { upper_color[i][j] = 0.1; }
+           if ( upper_color[i][j] < 0.0 ) { upper_color[i][j] = 0.0; }
            if ( middle_color[i][j] > 1.0 ) { middle_color[i][j] = 1.0; }
-           if ( middle_color[i][j] < 0.1 ) { middle_color[i][j] = 0.1; }
+           if ( middle_color[i][j] < 0.0 ) { middle_color[i][j] = 0.0; }
            if ( lower_color[i][j] > 1.0 ) { lower_color[i][j] = 1.0; }
-           if ( lower_color[i][j] < 0.1 ) { lower_color[i][j] = 0.1; }
+           if ( lower_color[i][j] < 0.0 ) { lower_color[i][j] = 0.0; }
        }
        upper_color[i][3] = middle_color[i][3] = lower_color[i][3] = 1.0;
 
@@ -416,10 +416,10 @@ bool SGSkyDome::repaint( sgVec4 sky_color, sgVec4 fog_color, double sun_angle,
        printf("middle_color[%d] = %.2f %.2f %.2f %.2f\n", i, 
               middle_color[i][0], middle_color[i][1], middle_color[i][2], 
               middle_color[i][3]);
+       */
        printf("lower_color[%d] = %.2f %.2f %.2f %.2f\n", i, 
               lower_color[i][0], lower_color[i][1], lower_color[i][2], 
               lower_color[i][3]);
-       */
     }
 
     for ( i = 0; i < 12; i++ ) {