public void Init(Rect b, NodeIndexQuadTree.VectorIndexPair[] objectsWithinNode, string _ObstructionLayer, int numObjectsPerNode)
{
NodeBounds = b;
ObstructionLayer = _ObstructionLayer;
ObjectsWithinNode = objectsWithinNode;
if (ObjectsWithinNode.Length <= numObjectsPerNode)
{
ChildNodes = new NodeIndexQuadTreeNode[0];
return;
}
ChildNodes = new NodeIndexQuadTreeNode[4];
Rect[] childNodeRects = new Rect[4];
childNodeRects[0] = new Rect(b.xMin, b.yMin, b.width/2f, b.height/2);
childNodeRects[1] = new Rect(b.xMin + b.width/2f, b.yMin, b.width/2f, b.height/2);
childNodeRects[2] = new Rect(b.xMin, b.yMin + b.height/2, b.width/2f, b.height/2);
childNodeRects[3] = new Rect(b.xMin + b.width/2f, b.yMin + b.height/2, b.width/2f, b.height/2);
ChildNodes[0] = CreateInstance<NodeIndexQuadTreeNode>();
ChildNodes[0].Init(childNodeRects[0],
objectsWithinNode.Where(a => childNodeRects[0].Contains(a.Position)).ToArray(), ObstructionLayer,numObjectsPerNode);
ChildNodes[1] = CreateInstance<NodeIndexQuadTreeNode>();
ChildNodes[1].Init(childNodeRects[1],
objectsWithinNode.Where(a => childNodeRects[1].Contains(a.Position)).ToArray(), ObstructionLayer, numObjectsPerNode);
ChildNodes[2] = CreateInstance<NodeIndexQuadTreeNode>();
ChildNodes[2].Init(childNodeRects[2],
objectsWithinNode.Where(a => childNodeRects[2].Contains(a.Position)).ToArray(), ObstructionLayer, numObjectsPerNode);
ChildNodes[3] = CreateInstance<NodeIndexQuadTreeNode>();
ChildNodes[3].Init(childNodeRects[3],
objectsWithinNode.Where(a => childNodeRects[3].Contains(a.Position)).ToArray(), ObstructionLayer, numObjectsPerNode);
}