FGFS-4.1/OpenSceneGraph
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Added View::computeIntersections methods

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This commit is contained in:
Robert Osfield
2007-01-09 17:35:46 +00:00
parent 7626169283
commit 4d4b342e97
7 changed files with 139 additions and 112 deletions
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23
include/osgViewer/View
View File

@@ -15,11 +15,14 @@
#define OSGVIEWER_VIEW 1
#include <osg/View>
#include <osgUtil/PolytopeIntersector>
#include <osgUtil/LineSegmentIntersector>
#include <osgUtil/SceneView>
#include <osgGA/MatrixManipulator>
#include <osgViewer/Scene>
#include <osgUtil/SceneView>
namespace osgViewer {
/** View holds a single view on a scene, this view may be composed of one or more slave cameras.*/
@@ -53,6 +56,22 @@ class OSGVIEWER_EXPORT View : public osg::View, public osgGA::GUIActionAdapter
/** Convinience method for a single Camara associated with a single full screen GraphicsWindow.*/
void setUpViewOnSingleScreen(unsigned int screenNum=0);
/** 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.
* Mouse events handled by the view will automatically be attached into the master camera window/clip coords so can be passed
* directly on to the computeIntersections method. */
bool computeIntersections(float x,float y, osgUtil::LineSegmentIntersector::Intersections& intersections,osg::Node::NodeMask traversalMask = 0xffffffff);
/** 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.
* Mouse events handled by the view will automatically be attached into the master camera window/clip coords so can be passed
* directly on to the computeIntersections method. */
bool computeIntersections(float x,float y, osg::Node* node, osgUtil::LineSegmentIntersector::Intersections& intersections,osg::Node::NodeMask traversalMask = 0xffffffff);
virtual void requestRedraw();
virtual void requestContinuousUpdate(bool needed=true);
virtual void requestWarpPointer(float x,float y);