unsafe void PushSame(Node *node, TestPair *stack, ref int count)
{
var element = stack + count++;
element->A = node;
element->Type = PairType.SameNode;
}
unsafe void PushDifferent(Node *a, Node *b, TestPair *stack, ref int count)
{
var element = stack + count++;
element->A = a;
element->B = b;
element->Type = PairType.InternalInternal;
}
unsafe void TestDifferent <TResultList>(int a, int b, BoundingBox *aBounds, BoundingBox *bBounds, TestPair *stack, ref int nextToVisit, ref TResultList results) where TResultList : IList <Overlap>
{
if (a >= 0)
{
if (b >= 0)
{
//both internal nodes
PushDifferent(nodes + a, nodes + b, stack, ref nextToVisit);
}
else
{
//leaf and internal
PushLeafInternal(nodes + a, bBounds, b, stack, ref nextToVisit);
}
}
else if (b >= 0)
{
//leaf and internal
PushLeafInternal(nodes + b, aBounds, a, stack, ref nextToVisit);
}
else
{
//two leaves
results.Add(new Overlap {
A = Encode(a), B = Encode(b)
});
}
}
unsafe void PushLeafInternal(Node *internalNode, BoundingBox *leafBounds, int encodedLeafIndex, TestPair *stack, ref int count)
{
var element = stack + count++;
element->A = internalNode;
element->LeafBounds = leafBounds;
element->EncodedLeafIndex = encodedLeafIndex;
element->Type = PairType.LeafInternal;
}
