Hi,
Currently I'm getting comfortable with the OpenSG traversal
infrastructure.
As a first example I tried the new intersection action. Howerver, I got
different
result when using the IntersectAction. Actually, I didn't get
any intersection with the new IntersectActor class.
Below my simple example program:
using namespace osg;
Line line = viewer->at(0)->calcViewRay(x, y);
NodePtr root = viewer->at(0)->getRoot();
NodePtr result1 = NullFC;
NodePtr result2 = NullFC;
{
IntersectActor* actor = IntersectActor::create();
DepthFirstAction* action =
DepthFirstAction::create();
action->addActor(actor);
actor->setRay(line);
action->apply(root);
if (actor->getHit()) {
result2 = actor->getHitObject()->getParent();
}
delete action;
delete actor;
}
{
IntersectAction* action = IntersectAction::create();
action->setLine(line);
action->apply(root);
if (action->didHit()) {
result1 = action->getHitObject();
}
delete action;
}
assert(result1 == result2);
Any mistakes I did in my code?
Best regards,
Johannes Brunen
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