But at least some translations on transparent objects (i don't know exactly how to detect a tree, so i limited it to transparent objects) are happening from inside a netty-evt-thread:
com.threed.jpct.Object3D@b51c29Thread[main,5,main]/(228.44463,627.73645,148.74597)---
com.threed.jpct.Object3D@4bf53eThread[netty-evt-0,5,main]/(383.0,667.0,162.75)---
com.threed.jpct.Object3D@d1e7c2Thread[netty-evt-0,5,main]/(252.60387,475.0233,118.229996)---
com.threed.jpct.Object3D@c68a98Thread[main,5,main]/(237.27441,624.1358,150.66376)---
com.threed.jpct.Object3D@b51404Thread[netty-evt-0,5,main]/(393.0,508.5864,160.44)---
com.threed.jpct.Object3D@354749Thread[netty-evt-0,5,main]/(327.56393,472.576,170.94)---
com.threed.jpct.Object3D@1db484dThread[main,5,main]/(246.53288,620.346,144.48578)---
com.threed.jpct.Object3D@bf1d3bThread[netty-evt-0,5,main]/(406.24905,725.4451,121.59)---
com.threed.jpct.Object3D@cc0e01Thread[netty-evt-0,5,main]/(289.96194,466.99997,161.49)---
com.threed.jpct.Object3D@ab7165Thread[main,5,main]/(256.31824,616.3402,138.6347)---
com.threed.jpct.Object3D@19a37aThread[netty-evt-0,5,main]/(410.00003,613.0,150.78)---
com.threed.jpct.Object3D@13bdd36Thread[main,5,main]/(265.8971,612.4185,136.0576)---
com.threed.jpct.Object3D@1381960Thread[main,5,main]/(275.305,608.56665,135.85318)---
com.threed.jpct.Object3D@9fa8fThread[netty-evt-0,5,main]/(432.49133,679.6593,150.15001)---
Or maybe it's a problem with the quadtree somehow? I also managed to get a "blinking house" once or twice.