NodePtr
buildGraphRecurse(UInt32 depth, UInt32 maxDepth, GeometryPtr pGeo)
{
if(depth == maxDepth)
{
NodePtr pNodeGeo = Node::create();
beginEditCP(pNodeGeo, Node::CoreFieldId);
pNodeGeo->setCore(pGeo);
endEditCP (pNodeGeo, Node::CoreFieldId);
return pNodeGeo;
}
else
{
NodePtr pNodeGroup = Node ::create();
GroupPtr pGroup = Group ::create();
NodePtr pNodeSwitch = Node ::create();
SwitchPtr pSwitch = Switch::create();
beginEditCP(pNodeGroup, Node::CoreFieldId | Node::ChildrenFieldId);
pNodeGroup->setCore (pGroup );
pNodeGroup->addChild(pNodeSwitch);
endEditCP (pNodeGroup, Node::CoreFieldId | Node::ChildrenFieldId);
beginEditCP(pSwitch, Switch::ChoiceFieldId);
pSwitch->editChoice() = Switch::ALL;
endEditCP (pSwitch, Switch::ChoiceFieldId);
beginEditCP(pNodeSwitch, Node::CoreFieldId | Node::ChildrenFieldId);
pNodeSwitch->setCore(pSwitch);
for(UInt32 i = 0; i < 8; ++i)
{
NodePtr pNodeTrans = Node ::create();
TransformPtr pTrans = Transform::create();
Vec3f vecTrans;
if(i & 0x01)
{
vecTrans[0] = 0.25 * X_SIZE * (1.0 / (depth + 1.0)) + 0.2 * (osgrand() - 0.5);
}
else
{
vecTrans[0] = -0.25 * X_SIZE * (1.0 / (depth + 1.0)) + 0.2 * (osgrand() - 0.5);
}
if(i & 0x02)
{
vecTrans[1] = 0.25 * Y_SIZE * (1.0 / (depth + 1.0)) + 0.2 * (osgrand() - 0.5);
}
else
{
vecTrans[1] = -0.25 * Y_SIZE * (1.0 / (depth + 1.0)) + 0.2 * (osgrand() - 0.5);
}
if(i & 0x04)
{
vecTrans[2] = 0.25 * Z_SIZE * (1.0 / (depth + 1.0)) + 0.2 * (osgrand() - 0.5);
}
else
{
vecTrans[2] = -0.25 * Z_SIZE * (1.0 / (depth + 1.0)) + 0.2 * (osgrand() - 0.5);
}
beginEditCP(pTrans, Transform::MatrixFieldId);
pTrans->editMatrix().setTranslate(vecTrans);
endEditCP (pTrans, Transform::MatrixFieldId);
beginEditCP(pNodeTrans, Node::CoreFieldId | Node::ChildrenFieldId);
pNodeTrans->setCore (pTrans );
pNodeTrans->addChild(buildGraphRecurse(depth + 1, maxDepth, pGeo));
endEditCP (pNodeTrans, Node::CoreFieldId | Node::ChildrenFieldId);
pNodeSwitch->addChild(pNodeTrans);
}
endEditCP (pNodeSwitch, Node::CoreFieldId | Node::ChildrenFieldId);
return pNodeGroup;
}
}
