void SelectNodesOP::RectQueryVisitor::
visit(Object* object, bool& bFetchNext)
{
ChainShape* chain = static_cast<ChainShape*>(object);
if (Math::isRectIntersectRect(chain->getRect(), m_rect))
{
ChainSelectedNodes* result = new ChainSelectedNodes;
result->chain = chain;
const std::vector<Vector>& vertices = chain->getVertices();
for (size_t i = 0, n = vertices.size(); i < n; ++i)
{
if (Math::isPointInRect(vertices[i], m_rect))
result->selectedNodes.push_back(vertices[i]);
}
if (result->selectedNodes.empty())
delete result;
else
m_result.push_back(result);
}
bFetchNext = true;
}
void SelectNodesOP::PosQueryVisitor::
visit(Object* object, bool& bFetchNext)
{
ChainShape* chain = static_cast<ChainShape*>(object);
if (Math::isRectIntersectRect(chain->getRect(), m_rect))
{
const std::vector<Vector>& vertices = chain->getVertices();
for (size_t i = 0, n = vertices.size(); i < n; ++i)
{
if (Math::getDistance(m_pos, vertices[i]) < SelectNodesOP::getThreshold())
{
ChainSelectedNodes* result = new ChainSelectedNodes;
result->chain = chain;
result->selectedNodes.push_back(vertices[i]);
*m_result = result;
bFetchNext = false;
return;
}
}
}
bFetchNext = true;
}