X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fsky%2Fsky.hxx;h=4a5b9393aa159bb6e936bd9479660f51b19a0e49;hb=f1ab6e2533a1bf07439b3d5918430f496158d8f3;hp=1e5ba3473a2288a22e8b31e50016ad2bf5af5278;hpb=e15ffbc85630ae3ae947812cf2ef59162cce7b6b;p=simgear.git

diff --git a/simgear/sky/sky.hxx b/simgear/sky/sky.hxx
index 1e5ba347..4a5b9393 100644
--- a/simgear/sky/sky.hxx
+++ b/simgear/sky/sky.hxx
@@ -5,19 +5,20 @@
 //
 // Copyright (C) 1997-2000  Curtis L. Olson  - curt@flightgear.org
 //
-// 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.
 //
 // $Id$
 
@@ -38,11 +39,11 @@
 
 #include <vector>
 
-#include "cloud.hxx"
-#include "dome.hxx"
-#include "moon.hxx"
-#include "oursun.hxx"
-#include "stars.hxx"
+#include <simgear/sky/cloud.hxx>
+#include <simgear/sky/dome.hxx>
+#include <simgear/sky/moon.hxx>
+#include <simgear/sky/oursun.hxx>
+#include <simgear/sky/stars.hxx>
 
 FG_USING_STD(vector);
 
@@ -78,10 +79,10 @@ private:
 
     // near cloud visibility state variables
     bool in_puff;
-    double puff_length;
-    double puff_progression;
-    double ramp_up;
-    double ramp_down;
+    double puff_length;		// in seconds
+    double puff_progression;	// in seconds
+    double ramp_up;		// in seconds
+    double ramp_down;		// in seconds
 
 public:
 
@@ -126,11 +127,13 @@ public:
     // transition range, and simulated "puffs".
     void modify_vis( float alt, float time_factor );
 
-    // draw background portions of the sky
-    void draw_background();
+    // draw background portions of the sky ... do this before you draw
+    // the rest of your scene.
+    void preDraw();
 
-    // draw scenery elements of the sky
-    void draw_scene( float alt );
+    // draw translucent clouds ... do this after you've drawn all the
+    // oapaque elements of your scene.
+    void postDraw( float alt );
 
     // specify the texture path (optional, defaults to current directory)
     inline void texture_path( const string& path ) {
@@ -151,11 +154,14 @@ public:
     }
 
     // add a cloud layer (above sea level in meters)
-    void add_cloud_layer( double asl, double thickness, double transition,
+    void add_cloud_layer( double asl, double thickness,
+			  double transition, double span,
 			  SGCloudType type );
-    void add_cloud_layer( double asl, double thickness, double transition,
+    void add_cloud_layer( double asl, double thickness,
+			  double transition, double span,
 			  const string &tex_path );
-    void add_cloud_layer( double asl, double thickness, double transition,
+    void add_cloud_layer( double asl, double thickness,
+			  double transition, double span,
 			  ssgSimpleState *state );
 
     inline int get_num_layers() const { return cloud_layers.size(); }