~jl2/quadtree 

Merge remote-tracking branch 'srht/master'
Create util.lisp
Store children quadtrees in an array instead of as slots.

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#quadtree

#Jeremiah LaRocco jeremiah_larocco@fastmail.com

Simple QuadTree library.

* (ql:quickload quadtree)
* (quadtree:parametric-animation "~/images/quadtrees/animation/"
                                 :frames 400 :width 2400 :height 2400
                                 :x-scale 30.0 :y-scale 30.0
                                 :xf (lambda (tv) (* 22.0 (sin tv) (sin (* 3 tv))))
                                 :yf (lambda (tv) (* 22.0 (cos tv) (sin (* 3 tv))))))
NIL
*

#License

ISC

Copyright (c) 2019 Jeremiah LaRocco jeremiah_larocco@fastmail.com