Logseq graph chocolate milk edition: /src/main/frontend/extensions/graph/pixi.cljs

pixi.cljs

(defn layout!
  [nodes links]
  (let [nodes-count (count nodes)     ;; no of pages
        simulation (forceSimulation nodes)
        qwxlea_distanceMax_large 4000 ;; Default: 4000 
        qwxlea_distanceMax_small 2200 ;; Default:  600 - larger better with long filenames
        qwxlea_link_distance 280      ;; Default:  180 - legth of sticks(?) 
        qwxlea_charge_strength -2600  ;; Default: -600 - lower = further apart
        qwxlea_forceXY 0.5            ;; Default: 0.02 - A value outside the range [0,1] is not recommended
                                      ;; higher turns graph in a ball
        qwxlea_velocityDecay 0.8      ;; Default: 0.8
        ]
    (-> simulation
        (.force "link"
                (-> (forceLink)
                    (.id (fn [d] (.-id d)))
                    (.distance qwxlea_link_distance)
                    (.links links)))
        (.force "charge"
                (-> (forceManyBody)
                    (.distanceMax (if (> nodes-count 500) qwxlea_distanceMax_large qwxlea_distanceMax_small))
                    (.theta 0.5)
                    (.strength qwxlea_charge_strength)))
        (.force "collision"
                (-> (forceCollide)
                    (.radius (+ 8 18))
                    (.iterations 2)))
        (.force "x" (-> (forceX 0) (.strength qwxlea_forceXY))) 
        (.force "y" (-> (forceY 0) (.strength qwxlea_forceXY)))
        ;; (.force "center" (forceCenter))
        (.force "center"
                (-> (forceCenter)
                    (.strength 0.1))) 
        (.velocityDecay qwxlea_velocityDecay)) 
    (reset! *simulation simulation)
    simulation))