internal static void addObject_Pushdown(SSBVHNodeAdaptor <GO> nAda, ssBVHNode <GO> curNode, GO newOb)
{
var left = curNode.left;
var right = curNode.right;
// merge and pushdown left and right as a new node..
var mergedSubnode = new ssBVHNode <GO>(nAda.BVH);
mergedSubnode.left = left;
mergedSubnode.right = right;
mergedSubnode.parent = curNode;
mergedSubnode.gobjects = null; // we need to be an interior node... so null out our object list..
left.parent = mergedSubnode;
right.parent = mergedSubnode;
mergedSubnode.childRefit(nAda, propagate: false);
// make new subnode for obj
var newSubnode = new ssBVHNode <GO>(nAda.BVH);
newSubnode.parent = curNode;
newSubnode.gobjects = new List <GO> {
newOb
};
nAda.mapObjectToBVHLeaf(newOb, newSubnode);
newSubnode.computeVolume(nAda);
// make assignments..
curNode.left = mergedSubnode;
curNode.right = newSubnode;
curNode.setDepth(nAda, curNode.depth); // propagate new depths to our children.
curNode.childRefit(nAda);
}
void setDepth(int newdepth)
{
this.depth = newdepth;
if (gobjects == null)
{
left.setDepth(newdepth + 1);
right.setDepth(newdepth + 1);
}
}
void setDepth(SSBVHNodeAdaptor <GO> nAda, int newdepth)
{
this.depth = newdepth;
if (newdepth > nAda.BVH.maxDepth)
{
nAda.BVH.maxDepth = newdepth;
}
if (gobjects == null)
{
left.setDepth(nAda, newdepth + 1);
right.setDepth(nAda, newdepth + 1);
}
}
