Changeset 8256

Timestamp:

04/28/08 23:15:22

Author:

robert

Message:

Implement frame loop and camea control loops

Files:

• OpenSceneGraph-TrainingMaterials/trunk/Sources/Exercises/08_viewer/8a_frameloop/8a_frameloop.cpp (modified) (2 diffs)
• OpenSceneGraph-TrainingMaterials/trunk/Sources/Exercises/08_viewer/8b_cameracontrol/8b_cameracontrol.cpp (modified) (2 diffs)

OpenSceneGraph-TrainingMaterials/trunk/Sources/Exercises/08_viewer/8a_frameloop/8a_frameloop.cpp

@@ -1 +1 @@
-#include <osg/ArgumentParser>
-#include <osgDB/ReadFile>
+#include <osgViewer/Viewer>
-
-#include <iostream>
@@ -6 +7 @@
-int main( int argc, char **argv )
-{
-
+
+
+
+
+
+
+
+
-    
-    return 0;

OpenSceneGraph-TrainingMaterials/trunk/Sources/Exercises/08_viewer/8b_cameracontrol/8b_cameracontrol.cpp

@@ -1 @@
-#include <osg/ArgumentParser>
-#include <osgDB/ReadFile>
+#include <osgGA/TrackballManipulator>
+#include <osgViewer/Viewer>
-
-#include <iostream>
@@ -6 +7 @@
-int main( int argc, char **argv )
-{
-
+
+
+
+
+
+
+
+
-    
+    while(!viewer.done())
+    {
+        viewer.advance();
+        viewer.updateTraversal();
+        viewer.eventTraversal();
+        
+        {
+            // 2. Comment out camera manipulator and compute the view matrix
+            //    to position the eye point so that the center on scene graph
+            //    is at the center of the scene, and the model is entirely 
+            //    within view.
+            //    
+            //    Hint - to get position of scene graph hints:
+            // 
+            //       viewer.getSceneData()->getBound();
+            //
+            //    Hint - to set the position of the master camera:
+            //
+            //       set viewer.getCamera()->setViewMatrix(viewMatrix);
+ 
+        }
+        
+        viewer.renderingTraversals();
+    }
+
-    return 0;
-}