Vec3Array *Object3D::getVertexList(Node *node, unsigned int index)
{
Vec3Array *vertices = NULL;
Drawable *drawable = getDrawable(node, index);
Geometry *geom = drawable->asGeometry();
if(geom)
vertices = dynamic_cast<Vec3Array*>(geom->getVertexArray());
return vertices;
}
void Object3D::dirty()
{
GeodeFindVisitor visitor;
_originalNode->accept(visitor);
std::vector<Geode*> geodeList = visitor.getGeodeList();
std::vector<Geode*>::iterator it;
for(it=geodeList.begin(); it!=geodeList.end(); ++it)
{
Geode *geode = *it;
if(geode)
{
for(unsigned int i=0; i<geode->getNumDrawables(); i++)
{
Drawable *drawable = geode->getDrawable(i);
drawable->dirtyBound();
Geometry* geom(drawable->asGeometry());
osgUtil::SmoothingVisitor sv;
sv.smooth(*geom);
geom->getNormalArray()->dirty();
}
}
}
}
bool IntersectVisitor::intersect(Drawable& drawable)
{
bool hitFlag = false;
IntersectState* cis = _intersectStateStack.back().get();
const BoundingBox& bb = drawable.getBoundingBox();
for(IntersectState::LineSegmentList::iterator sitr=cis->_segList.begin();
sitr!=cis->_segList.end();
++sitr)
{
if (sitr->second->intersect(bb))
{
TriangleFunctor<TriangleIntersect> ti;
ti.set(*sitr->second);
drawable.accept(ti);
if (ti._hit)
{
osg::Geometry* geometry = drawable.asGeometry();
for(TriangleIntersect::TriangleHitList::iterator thitr=ti._thl.begin();
thitr!=ti._thl.end();
++thitr)
{
Hit hit;
hit._nodePath = _nodePath;
hit._matrix = cis->_model_matrix;
hit._inverse = cis->_model_inverse;
hit._drawable = &drawable;
if (_nodePath.empty()) hit._geode = NULL;
else hit._geode = dynamic_cast<Geode*>(_nodePath.back());
TriangleHit& triHit = thitr->second;
hit._ratio = thitr->first;
hit._primitiveIndex = triHit._index;
hit._originalLineSegment = sitr->first;
hit._localLineSegment = sitr->second;
hit._intersectPoint = sitr->second->start()*(1.0f-hit._ratio)+
sitr->second->end()*hit._ratio;
hit._intersectNormal = triHit._normal;
if (geometry)
{
osg::Vec3Array* vertices = dynamic_cast<osg::Vec3Array*>(geometry->getVertexArray());
if (vertices)
{
osg::Vec3* first = &(vertices->front());
if (triHit._v1) hit._vecIndexList.push_back(triHit._v1-first);
if (triHit._v2) hit._vecIndexList.push_back(triHit._v2-first);
if (triHit._v3) hit._vecIndexList.push_back(triHit._v3-first);
}
}
_segHitList[sitr->first.get()].push_back(hit);
std::sort(_segHitList[sitr->first.get()].begin(),_segHitList[sitr->first.get()].end());
hitFlag = true;
}
}
}
}
return hitFlag;
}