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Added convinience constructors to help support picking with the new osgUtil::Intersector classes.

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Robert Osfield
2006-11-02 17:05:46 +00:00
parent 7d12b85632
commit 06cca16a2a
3 changed files with 92 additions and 39 deletions
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26
include/osgUtil/IntersectionVisitor
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@@ -81,10 +81,18 @@ class Intersector : public osg::Referenced
class OSGUTIL_EXPORT LineSegmentIntersector : public Intersector
{
public:
LineSegmentIntersector(const osg::Vec3d& start, const osg::Vec3d& end, LineSegmentIntersector* parent=0);
/** Construct a LineSegmentIntersector the runs between the secified start and end points in MODEL coordinates. */
LineSegmentIntersector(const osg::Vec3d& start, const osg::Vec3d& end);
LineSegmentIntersector(CoordinateFrame cf, const osg::Vec3d& start, const osg::Vec3d& end, LineSegmentIntersector* parent=0);
/** Construct a LineSegmentIntersector the runs between the secified start and end points in the specified coordinate frame. */
LineSegmentIntersector(CoordinateFrame cf, const osg::Vec3d& start, const osg::Vec3d& end);
/** Convinience constructor for supporting picking in WINDOW, or PROJECTION coorindates
* In WINDOW coordinates creates a start value of (x,y,0) and end value of (x,y,1).
* In PROJECTION coordinates (clip space cube) creates a start value of (x,y,1) and end value of (x,y,-1).
* In VIEW and MODEL coordinates creates a start value of (x,y,0) and end value of (x,y,1).*/
LineSegmentIntersector(CoordinateFrame cf, double x, double y);
struct Intersection
{
@@ -148,10 +156,18 @@ class OSGUTIL_EXPORT PolytopeIntersector : public Intersector
{
public:
PolytopeIntersector(const osg::Polytope& polytope, PolytopeIntersector* parent=0);
/** Construct a PolytopeIntersector using speified polytope in MODEL coordinates.*/
PolytopeIntersector(const osg::Polytope& polytope);
PolytopeIntersector(CoordinateFrame cf, const osg::Polytope& polytope, PolytopeIntersector* parent=0);
/** Construct a PolytopeIntersector using speified polytope in specified coordinate frame.*/
PolytopeIntersector(CoordinateFrame cf, const osg::Polytope& polytope);
/** Convinience constructor for supporting picking in WINDOW, or PROJECTION coorindates
* In WINDOW coordinates (clip space cube) creates a five sided polytope box that has a front face at 0.0 and sides around box xMin, yMin, xMax, yMax.
* In PROJECTION coordinates (clip space cube) creates a five sided polytope box that has a front face at -1 and sides around box xMin, yMin, xMax, yMax.
* In VIEW and MODEL coordinates (clip space cube) creates a five sided polytope box that has a front face at 0.0 and sides around box xMin, yMin, xMax, yMax.*/
PolytopeIntersector(CoordinateFrame cf, double xMin, double yMin, double xMax, double yMax);
struct Intersection
{
Intersection() {}