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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46
src/osgViewer/View.cpp
View File

@@ -17,6 +17,8 @@
#include <osgUtil/SceneView>
#include <osg/io_utils>
#include <osgUtil/IntersectionVisitor>
using namespace osgViewer;
View::View()
@@ -85,11 +87,7 @@ void View::setUpViewAcrossAllScreens()
traits->y = 0;
traits->width = width;
traits->height = height;
#if 1
traits->windowDecoration = false;
#else
traits->windowDecoration = true;
#endif
traits->doubleBuffer = true;
traits->sharedContext = 0;
@@ -223,7 +221,7 @@ void View::setUpViewOnSingleScreen(unsigned int screenNum)
osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
if (!wsi)
{
osg::notify(osg::NOTICE)<<"View::setUpViewAcrossAllScreens() : Error, no WindowSystemInterface available, cannot create windows."<<std::endl;
osg::notify(osg::NOTICE)<<"View::setUpViewOnSingleScreen() : Error, no WindowSystemInterface available, cannot create windows."<<std::endl;
return;
}
@@ -235,11 +233,7 @@ void View::setUpViewOnSingleScreen(unsigned int screenNum)
traits->y = 0;
traits->width = width;
traits->height = height;
#if 1
traits->windowDecoration = false;
#else
traits->windowDecoration = true;
#endif
traits->doubleBuffer = true;
traits->sharedContext = 0;
@@ -250,7 +244,7 @@ void View::setUpViewOnSingleScreen(unsigned int screenNum)
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
{
osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<std::endl;
osg::notify(osg::INFO)<<"View::setUpViewOnSingleScreen - GraphicsWindow has been created successfully."<<std::endl;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
}
else
@@ -391,3 +385,35 @@ void View::requestWarpPointer(float x,float y)
}
bool View::computeIntersections(float x,float y, osgUtil::LineSegmentIntersector::Intersections& intersections,osg::Node::NodeMask traversalMask)
{
if (!_camera.valid()) return false;
osgUtil::LineSegmentIntersector::CoordinateFrame cf = _camera->getViewport() ? osgUtil::Intersector::WINDOW : osgUtil::Intersector::PROJECTION;
osgUtil::LineSegmentIntersector* picker = new osgUtil::LineSegmentIntersector(cf, x, y);
osgUtil::IntersectionVisitor iv(picker);
iv.setTraversalMask(traversalMask);
_camera->accept(iv);
if (picker->containsIntersections())
{
intersections = picker->getIntersections();
return true;
}
else
{
intersections.clear();
return false;
}
}
bool View::computeIntersections(float x,float y, osg::Node* node, osgUtil::LineSegmentIntersector::Intersections& intersections,osg::Node::NodeMask traversalMask)
{
if (!_camera.valid()) return false;
osg::notify(osg::NOTICE)<<"View::computeIntersections(x,y,node,intersections) not implemented"<<std::endl;
return false;
}