public void Add(aabb2 bound, object value)
{
if (root == null)
{
root = new BVHTreeNode2(bound, value);
}
}
protected BVHTreeNode2 FindNode(aabb2 bound)
{
Stack <BVHTreeNode2> stack = new Stack <BVHTreeNode2>();
stack.Push(root);
BVHTreeNode2 lastNode = null;
while (stack.Count > 0)
{
var node = stack.Pop();
var res = node.bound.intersect(bound);
if (res == IntersectResult.None)
{
continue;
}
if (res == IntersectResult.Contain1)
{
lastNode = node;
stack.Push(node.a);
stack.Push(node.b);
}
}
return(lastNode);
}