Changeset 2517 for OpenSceneGraph/trunk/examples/osghangglide/osghangglide.cpp

Timestamp:

12/09/03 15:07:44 (10 years ago)

Author:

robert

Message:

Removed osg::Transform::ComputeTransformCallback? from osg::Transform.

Updated various dependant files to reimplemt callbacks as Transform subclasses.

Files:

• OpenSceneGraph/trunk/examples/osghangglide/osghangglide.cpp (modified) (4 diffs)

OpenSceneGraph/trunk/examples/osghangglide/osghangglide.cpp

@@ -27 +27 @@
 extern osg::Node *makeClouds( void );
 
-struct MoveEarthySkyWithEyePointCallback : public osg::Transform::ComputeTransformCallback
+class MoveEarthySkyWithEyePointTransform : public osg::Transform
 {
+public:
     /** Get the transformation matrix which moves from local coords to world coords.*/
-    virtual bool computeLocalToWorldMatrix(osg::Matrix& matrix,const osg::Transform*, osg::NodeVisitor* nv) const 
+    virtual bool computeLocalToWorldMatrix(osg::Matrix& matrix,osg::NodeVisitor* nv) const 
     {
         osgUtil::CullVisitor* cv = dynamic_cast<osgUtil::CullVisitor*>(nv);
@@ -42 +43 @@
 
     /** Get the transformation matrix which moves from world coords to local coords.*/
-    virtual bool computeWorldToLocalMatrix(osg::Matrix& matrix,const osg::Transform*, osg::NodeVisitor* nv) const
+    virtual bool computeWorldToLocalMatrix(osg::Matrix& matrix,osg::NodeVisitor* nv) const
     {
+        std::cout<<"computing transform"<<std::endl;
+    
         osgUtil::CullVisitor* cv = dynamic_cast<osgUtil::CullVisitor*>(nv);
         if (cv)
@@ -68 +71 @@
 
     // use a transform to make the sky and base around with the eye point.
-    osg::Transform* transform = new osg::Transform;
+    osg::Transform* transform = new MoveEarthySkyWithEyePointTransform;
 
     // transform's value isn't knowm until in the cull traversal so its bounding
@@ -76 +79 @@
     // this node or any other branch above this transform.
     transform->setCullingActive(false);
-
-    // set the compute transform callback to do all the work of
-    // determining the transform according to the current eye point.
-    transform->setComputeTransformCallback(new MoveEarthySkyWithEyePointCallback);
 
     // add the sky and base layer.