本文整理汇总了C++中Drawable::getBoundingBox方法的典型用法代码示例。如果您正苦于以下问题:C++ Drawable::getBoundingBox方法的具体用法?C++ Drawable::getBoundingBox怎么用?C++ Drawable::getBoundingBox使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Drawable
的用法示例。
在下文中一共展示了Drawable::getBoundingBox方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: intersect
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;
}