Added include/osg/EarthSky and src/osg/EarthSky to cvs.

Also move osg across to using radians for angular paramters by default.
By defining USE_DEGREES_INTERNALLY you can get the OSG to revert to
the old style degrees. This later feature is deprecated and only meant
for helping comptability in the interim.

src/Demos/hangglide/GliderManipulator.cpp

@@ -204,8 +204,8 @@ bool GliderManipulator::calcMovement()
     osg::Vec3 sv = _camera->getSideVector();
     osg::Vec3 lv = _camera->getLookVector();
 
-    float pitch = -dy*0.15f*dt;
-    float roll = -dx*0.1f*dt;
+    float pitch = inDegrees(-dy*0.15f*dt);
+    float roll = inDegrees(-dx*0.1f*dt);
 
     osg::Matrix mat;
     mat.makeTrans(-center);
@@ -214,7 +214,7 @@ bool GliderManipulator::calcMovement()
     if (_yawMode==YAW_AUTOMATICALLY_WHEN_BANKED)
     {
         float bank = asinf(sv.z());
-        float yaw = (-bank*180.0f/M_PI)*dt;
+        float yaw = inRadians(-bank)*dt;
         mat *= Matrix::rotate(yaw,0.0f,0.0f,1.0f);
     }
 

src/Demos/osgcluster/osgcluster.cpp

@@ -336,8 +336,7 @@ int main( int argc, char **argv )
     osg::Timer_t after_load = timer.tick();
     cout << "Time for load = "<<timer.delta_s(before_load,after_load)<<" seconds"<<endl;
 
-    osg::ref_ptr<MySceneView> mySceneView = new MySceneView(viewerMode,socketNumber,camera_fov,camera_offset);
-
+    osg::ref_ptr<MySceneView> mySceneView = new MySceneView(viewerMode,socketNumber,camera_fov,osg::inDegrees(camera_offset));
     mySceneView->setSceneData(rootnode);
 
     // initialize the viewer.

src/Demos/osgcube/osgcube.cpp

@@ -170,7 +170,7 @@ int main( int argc, char **argv )
     myTransform->addChild( createCube() );
     
     // move node in a circle at 90 degrees a sec.
-    myTransform->setAppCallback(new TransformCallback(myTransform,90.0f));
+    myTransform->setAppCallback(new TransformCallback(myTransform,osg::inDegrees(90.0f)));
 
     // create the viewer and the model to it.
     osgGLUT::Viewer viewer;

src/Demos/osgreflect/osgreflect.cpp

@@ -473,7 +473,7 @@ int main( int argc, char **argv )
     osgGLUT::Viewer viewer;
     viewer.addViewport( rootNode );
 
-    loadedModelTransform->setAppCallback(new TransformCallback(loadedModelTransform,45.0f));
+    loadedModelTransform->setAppCallback(new TransformCallback(loadedModelTransform,osg::inDegrees(45.0f)));
 
     // register trackball, flight and drive.
     viewer.registerCameraManipulator(new osgUtil::TrackballManipulator);

src/osg/Billboard.cpp

@@ -10,7 +10,6 @@ using namespace osg;
 Billboard::Billboard()
 {
     _mode = AXIAL_ROT;
-    //    _mode = POINT_ROT_WORLD;
     _axis.set(0.0f,0.0f,1.0f);
 }
 
@@ -85,7 +84,7 @@ void Billboard::calcRotation(const Vec3& eye_local, const Vec3& pos_local,Matrix
             {
                 mat.makeIdent();
                 //float rotation_zrotation_z = atan2f(ev.x(),ev.y());
-                //mat.makeRot(rotation_z*180.0f/M_PI,0.0f,0.0f,1.0f);
+                //mat.makeRot(inRadians(rotation_z),0.0f,0.0f,1.0f);
                 float inv = 1.0f/ev_length;
                 float c = ev.y()*inv;
                 float s = ev.x()*inv;
@@ -123,7 +122,7 @@ void Billboard::calcRotation(const Vec3& eye_local, const Vec3& pos_local,Matrix
                     cp /= cp_len;
 
                     float rotation_cp = acosf(dot);
-                    mat.makeRot(rotation_cp*180.0f/M_PI,cp[0],cp[1],cp[2]);
+                    mat.makeRot(inRadians(rotation_cp),cp[0],cp[1],cp[2]);
                 }
             }
             break;

src/osg/EarthSky.cpp

@@ -0,0 +1,20 @@
+#include "osg/EarthSky"
+
+#include <algorithm>
+
+using namespace osg;
+
+/**
+ * EarthSky constructor.
+ */
+EarthSky::EarthSky()
+{
+    StateSet* stateset = new StateSet;
+    stateset->setRenderBinDetails(-1,"RenderBin");
+    setStateSet(stateset);
+    
+    _requiresClear = true;
+    _clearColor.set(0.0f,0.0f,0.0f,1.0f);  
+
+}
+

src/osg/Matrix.cpp

@@ -14,6 +14,7 @@ using namespace osg;
 #define DEG2RAD(x)    ((x)*M_PI/180.0)
 #define RAD2DEG(x)    ((x)*180.0/M_PI)
 
+
 // temporary #define's for warning that deprecated methods are being
 // used which should be replaced by the new variants.
 #define WARN_DEPRECATED
@@ -33,8 +34,6 @@ using namespace osg;
     #define DEPRECATED(message)
 #endif        
 
-#define ANGLES_IN_DEGREES
-
 
 #define SET_ROW(row, v1, v2, v3, v4 )    \
     _mat[(row)][0] = (v1); \
@@ -168,11 +167,8 @@ void Matrix::makeRot( const Vec3& from, const Vec3& to )
     double d = from * to; // dot product == cos( angle between from & to )
     if( d < 0.9999 ) {
         double angle = acos(d);
-#ifdef ANGLES_IN_DEGREES
-        angle = RAD2DEG(angle);
-#endif
         Vec3 axis = to ^ from; //we know ((to) x (from)) is perpendicular to both
-        makeRot( angle, axis );
+        makeRot( inRadians(angle) , axis );
     }        
     else 
         makeIdent();
@@ -188,7 +184,7 @@ void Matrix::makeRot( float angle, float x, float y, float z ) {
     if( d == 0 )
         return;
 
-#ifdef ANGLES_IN_DEGREES
+#ifdef USE_DEGREES_INTERNALLY
     angle = DEG2RAD(angle);
 #endif
 
@@ -230,7 +226,7 @@ void Matrix::makeRot( const Quat& q ) {
 
 void Matrix::makeRot( float yaw, float pitch, float roll)
 {
-#ifdef ANGLES_IN_DEGREES
+#ifdef USE_DEGREES_INTERNALLY
     yaw = DEG2RAD(yaw);
     pitch = DEG2RAD(pitch);
     roll = DEG2RAD(roll);

src/osgUtil/DriveManipulator.cpp

@@ -405,7 +405,7 @@ bool DriveManipulator::calcMovement()
 
     float dx = _ga_t0->getX()-mx;
 
-    float yaw = dx*0.1f*dt;
+    float yaw = inDegrees(dx*0.1f*dt);
 
     osg::Matrix mat;
     mat.makeTrans(-center.x(),-center.y(),-center.z());

src/osgUtil/FlightManipulator.cpp

@@ -201,8 +201,8 @@ bool FlightManipulator::calcMovement()
     osg::Vec3 sv = _camera->getSideVector();
     osg::Vec3 lv = _camera->getLookVector();
 
-    float pitch = -dy*0.15f*dt;
-    float roll = -dx*0.1f*dt;
+    float pitch = inDegrees(-dy*0.15f*dt);
+    float roll = inDegrees(-dx*0.1f*dt);
 
     osg::Matrix mat;
     mat.makeTrans(-center);
@@ -211,7 +211,7 @@ bool FlightManipulator::calcMovement()
     if (_yawMode==YAW_AUTOMATICALLY_WHEN_BANKED)
     {
         float bank = asinf(sv.z());
-        float yaw = (-bank*180.0f/M_PI)*dt;
+        float yaw = inRadians(-bank)*dt;
         mat *= Matrix::rotate(yaw,0.0f,0.0f,1.0f);
     }
 

src/osgUtil/TrackballManipulator.cpp

@@ -338,7 +338,7 @@ void TrackballManipulator::trackball(osg::Vec3& axis,float& angle, float p1x, fl
      */
     if (t > 1.0) t = 1.0;
     if (t < -1.0) t = -1.0;
-    angle = asin(t) * 180.0f/M_PI;
+    angle = inRadians(asin(t));
 
 }