RenderingManager::RayResult RenderingManager::castCameraToViewportRay(const float nX, const float nY, float maxDistance, bool ignorePlayer, bool ignoreActors)
{
osg::ref_ptr<osgUtil::LineSegmentIntersector> intersector (new osgUtil::LineSegmentIntersector(osgUtil::LineSegmentIntersector::PROJECTION,
nX * 2.f - 1.f, nY * (-2.f) + 1.f));
osg::Vec3d dist (0.f, 0.f, -maxDistance);
dist = dist * mViewer->getCamera()->getProjectionMatrix();
osg::Vec3d end = intersector->getEnd();
end.z() = dist.z();
intersector->setEnd(end);
intersector->setIntersectionLimit(osgUtil::LineSegmentIntersector::LIMIT_NEAREST);
osgUtil::IntersectionVisitor intersectionVisitor(intersector);
int mask = intersectionVisitor.getTraversalMask();
mask &= ~(Mask_RenderToTexture|Mask_Sky|Mask_Debug|Mask_Effect|Mask_Water);
if (ignorePlayer)
mask &= ~(Mask_Player);
if (ignoreActors)
mask &= ~(Mask_Actor|Mask_Player);
intersectionVisitor.setTraversalMask(mask);
mViewer->getCamera()->accept(intersectionVisitor);
return getIntersectionResult(intersector);
}
osg::ref_ptr<osgUtil::IntersectionVisitor> createIntersectionVisitor(osgUtil::Intersector* intersector, bool ignorePlayer, bool ignoreActors)
{
osg::ref_ptr<osgUtil::IntersectionVisitor> intersectionVisitor( new osgUtil::IntersectionVisitor(intersector));
int mask = intersectionVisitor->getTraversalMask();
mask &= ~(Mask_RenderToTexture|Mask_Sky|Mask_Debug|Mask_Effect|Mask_Water|Mask_SimpleWater);
if (ignorePlayer)
mask &= ~(Mask_Player);
if (ignoreActors)
mask &= ~(Mask_Actor|Mask_Player);
intersectionVisitor->setTraversalMask(mask);
return intersectionVisitor;
}
RenderingManager::RayResult RenderingManager::castRay(const osg::Vec3f& origin, const osg::Vec3f& dest, bool ignorePlayer, bool ignoreActors)
{
osg::ref_ptr<osgUtil::LineSegmentIntersector> intersector (new osgUtil::LineSegmentIntersector(osgUtil::LineSegmentIntersector::MODEL,
origin, dest));
intersector->setIntersectionLimit(osgUtil::LineSegmentIntersector::LIMIT_NEAREST);
osgUtil::IntersectionVisitor intersectionVisitor(intersector);
int mask = intersectionVisitor.getTraversalMask();
mask &= ~(Mask_RenderToTexture|Mask_Sky|Mask_Debug|Mask_Effect|Mask_Water);
if (ignorePlayer)
mask &= ~(Mask_Player);
if (ignoreActors)
mask &= ~(Mask_Actor|Mask_Player);
intersectionVisitor.setTraversalMask(mask);
mRootNode->accept(intersectionVisitor);
return getIntersectionResult(intersector);
}
