geometry :: QuadTree :: children=
is_leaf
________________ | | | | 1 | 2 | |-------|-------| | 0 | 3 | |_______|_______|
# Children nodes, if not `is_leaf` # # ~~~raw # ________________ # | | | # | 1 | 2 | # |-------|-------| # | 0 | 3 | # |_______|_______| # ~~~ protected var children = new Array[QuadTree[E]]