Using CGA (conformal geometric algebra) to find the circumcircle that fits three moving points…
Discussion
Loading...
Every geometry library needs an orthographic projection cube example, right?
I’m not sure how this #Clojure program could be shorter without losing generality. 🤔
![(ns vga3d-01
(:require [common :refer [make-sketch hypercube-edges tau draw-line *current-frame* *num-frames*]]
[com. rusher.geometer.vgad :refer [point rotor rotate unit-x unit-y orthographic-project]]))
(def edges (hypercube-edges 3 200 point))
(defn draw []
(let [r (rotor [0 1 1] (* *current-frame* (/ tau *num-frames*)))] (doseq [pq (mapv (partial mapv #(-> (rotate % r)
(orthographic-project unit-x unit-y)))
edges) ]
(draw-line pq))))
(def sketch (make-sketch draw))](https://media-proxy.berlin.social/media_attachments/files/115/963/534/127/441/543/original/b9a4c2e90124a506.png)
Using CGA (conformal geometric algebra) to find the circumcircle that fits three moving points…
Using PGA2D (2D Plane-based Geometric Algebra) to explore wallpaper groups. (Still making examples for this library 😆.)