public CollisionTreeNode(BoundingBox boundingBox, List <int> indices, CollisionTreeNode leftNode, CollisionTreeNode rightNode)
{
if (leftNode == null || rightNode == null)
{
if (leftNode != null || rightNode != null)
{
throw new ArgumentException("either both branches must be null, or neither");
}
if (boundingBox.Maximum != boundingBox.Minimum)
{
throw new ArgumentException("bounding box must be a single point when branches are null");
}
}
this.boundingBox = boundingBox;
this.indices = indices;
this.leftNode = leftNode;
this.rightNode = rightNode;
}
private CollisionTree(CollisionTreeNode root)
{
this.root = root;
}