Changeset 6691 for OpenSceneGraph/trunk/examples/osgsimulation/osgsimulation.cpp

Timestamp:

05/18/07 11:43:25 (6 years ago)

Author:

robert

Message:

Added -f/--fixed option to allow use to freeze the animation of the cessna.

Files:

• OpenSceneGraph/trunk/examples/osgsimulation/osgsimulation.cpp (modified) (5 diffs)

OpenSceneGraph/trunk/examples/osgsimulation/osgsimulation.cpp

@@ -72 +72 @@
 public:
 
-    ModelPositionCallback():
+    ModelPositionCallback(double speed):
         _latitude(0.0),
         _longitude(0.0),
-        _height(100000.0)
+        _height(100000.0),
+        _speed(speed)
     {
         _rotation.makeRotate(osg::DegreesToRadians(90.0),0.0,0.0,1.0);
@@ -82 +83 @@
     void updateParameters()
     {
-        _longitude += ((2.0*osg::PI)/360.0)/20.0;
+        _longitude += _speed * ((2.0*osg::PI)/360.0)/20.0;
     }
 
@@ -137 +138 @@
     double                  _height;
     osg::Quat               _rotation;
+    double                  _speed;
 };
 
@@ -195 +197 @@
     viewer.getCamera()->setComputeNearFarMode(osg::CullSettings::COMPUTE_NEAR_FAR_USING_PRIMITIVES);
     viewer.getCamera()->setNearFarRatio(0.00001f);
+
+
+    double speed = 1.0;
+    while (arguments.read("-f") || arguments.read("--fixed")) speed = 0.0;
 
 
@@ -341 +347 @@
 
 
-            if (!nc) nc = new ModelPositionCallback;
+            if (!nc) nc = new ModelPositionCallback(speed);
 
             mt->setUpdateCallback(nc);
-
+            
             csn->addChild(mt);