FGFS-4.1/OpenSceneGraph
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Improved handling of intersection computations on datasets with multiple cameras

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This commit is contained in:
Robert Osfield
2007-01-15 16:09:32 +00:00
parent b06dbda224
commit 91968a9bec
3 changed files with 198 additions and 51 deletions
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6
include/osgViewer/View
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@@ -68,6 +68,10 @@ class OSGVIEWER_EXPORT View : public osg::View, public osgGA::GUIActionAdapter
void setUpViewOnSingleScreen(unsigned int screenNum=0);
/** Get the camera which contains the pointer position x,y specified master cameras window/eye coords.
* Also passes back the local window coords for the graphics context associated with the camera passed back. */
const osg::Camera* getCameraContainingPosition(float x, float y, float& local_x, float& local_y) const;
/** Compute intersections between a ray through the specified master cameras window/eye coords and a specified node.
* Note, when a master cameras has slaves and no viewport itself its coordinate frame will be in clip space i.e. -1,-1 to 1,1,
* while if its has a viewport the coordintates will be relative to its viewport dimensions.
@@ -82,6 +86,8 @@ class OSGVIEWER_EXPORT View : public osg::View, public osgGA::GUIActionAdapter
virtual void requestRedraw();
virtual void requestContinuousUpdate(bool needed=true);
virtual void requestWarpPointer(float x,float y);
public: