More tweaks ...

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

diff --git a/simgear/sky/sky.cxx b/simgear/sky/sky.cxx
index 38a5f181cacb136bfda7e9f2a78f1fcf847f69a8..5cde898fb29e360e460a0c0f12b50326c597dd53 100644 (file)
--- a/simgear/sky/sky.cxx
+++ b/simgear/sky/sky.cxx
@@ -44,6 +44,8 @@ SGSky::SGSky( void ) {
     puff_progression = 0;
     ramp_up = 0.15;
     ramp_down = 0.15;
+    // ramp_up = 4.0;
+    // ramp_down = 4.0;
 }
 
 
@@ -129,7 +131,7 @@ bool SGSky::repaint( sgVec4 sky_color, sgVec4 fog_color,
 {
     if ( effective_visibility > 1000.0 ) {
        enable();
-       dome->repaint( sky_color, fog_color, sun_angle );
+       dome->repaint( sky_color, fog_color, sun_angle, effective_visibility );
        oursun->repaint( sun_angle );
        moon->repaint( moon_angle );
        planets->repaint( sun_angle, nplanets, planet_data );
@@ -185,7 +187,7 @@ void SGSky::preDraw() {
 // draw translucent clouds ... do this after you've drawn all the
 // oapaque elements of your scene.
 void SGSky::postDraw( float alt ) {
-    float slop = 4.0;          // if we are closer than this to a cloud layer,
+    float slop = 5.0;          // if we are closer than this to a cloud layer,
                                // don't draw clouds
 
     int in_cloud = -1;         // cloud we are in
@@ -246,10 +248,11 @@ void SGSky::postDraw( float alt ) {
 }
 
  
-void SGSky::add_cloud_layer( double asl, double thickness, double transition,
+void SGSky::add_cloud_layer( double asl, double thickness,
+                            double transition, double span,
                             ssgSimpleState *state ) {
     SGCloudLayer *layer = new SGCloudLayer;
-    layer->build( 40000.0f, asl, thickness, transition, state );
+    layer->build( span, asl, thickness, transition, state );
 
     layer_list_iterator current = cloud_layers.begin();
     layer_list_iterator last = cloud_layers.end();
@@ -270,17 +273,19 @@ void SGSky::add_cloud_layer( double asl, double thickness, double transition,
 }
 
 
-void SGSky::add_cloud_layer( double asl, double thickness, double transition,
+void SGSky::add_cloud_layer( double asl, double thickness,
+                            double transition, double span,
                             const string &tex_path ) {
     ssgSimpleState *state = SGCloudMakeState( tex_path );
-    add_cloud_layer( asl, thickness, transition, state );
+    add_cloud_layer( asl, thickness, transition, span, state );
 }
 
 
-void SGSky::add_cloud_layer( double asl, double thickness, double transition,
+void SGSky::add_cloud_layer( double asl, double thickness,
+                            double transition, double span,
                             SGCloudType type ) {
     if ( type > 0 && type < SG_MAX_CLOUD_TYPES ) {
-       add_cloud_layer( asl, thickness, transition, cloud_mats[type] );
+       add_cloud_layer( asl, thickness, transition, span, cloud_mats[type] );
     }
 }