internal override void GetOverlaps(Node opposingNode, DynamicHierarchy owner)
{
bool intersects;
//note: This is never executed when the opposing node is the current node.
if (opposingNode.IsLeaf)
{
//We're both leaves! Our parents have already done the testing for us, so we know we're overlapping.
owner.TryToAddOverlap(element, opposingNode.Element);
}
else
{
var opposingChildA = opposingNode.ChildA;
var opposingChildB = opposingNode.ChildB;
//If it's not a leaf, try to go deeper in the opposing hierarchy.
BoundingBox.Intersects(ref opposingChildA.BoundingBox, out intersects);
if (intersects)
{
GetOverlaps(opposingChildA, owner);
}
BoundingBox.Intersects(ref opposingChildB.BoundingBox, out intersects);
if (intersects)
{
GetOverlaps(opposingChildB, owner);
}
}
}
internal override void GetMultithreadedOverlaps(Node opposingNode, int splitDepth, int currentDepth, DynamicHierarchy owner, RawList <DynamicHierarchy.NodePair> multithreadingSourceOverlaps)
{
bool intersects;
//note: This is never executed when the opposing node is the current node.
if (opposingNode.IsLeaf)
{
//We're both leaves! Our parents have already done the testing for us, so we know we're overlapping.
owner.TryToAddOverlap(element, opposingNode.Element);
}
else
{
var opposingChildA = opposingNode.ChildA;
var opposingChildB = opposingNode.ChildB;
if (splitDepth == currentDepth)
{
//Time to add the child overlaps to the multithreading set!
BoundingBox.Intersects(ref opposingChildA.BoundingBox, out intersects);
if (intersects)
{
multithreadingSourceOverlaps.Add(new DynamicHierarchy.NodePair()
{
a = this, b = opposingChildA
});
}
BoundingBox.Intersects(ref opposingChildB.BoundingBox, out intersects);
if (intersects)
{
multithreadingSourceOverlaps.Add(new DynamicHierarchy.NodePair()
{
a = this, b = opposingChildB
});
}
return;
}
//If it's not a leaf, try to go deeper in the opposing hierarchy.
BoundingBox.Intersects(ref opposingChildA.BoundingBox, out intersects);
if (intersects)
{
GetOverlaps(opposingChildA, owner);
}
BoundingBox.Intersects(ref opposingChildB.BoundingBox, out intersects);
if (intersects)
{
GetOverlaps(opposingChildB, owner);
}
}
}