Jitter Amoothing

public/js/detect-tuned.js

@@ -100,7 +100,12 @@ export class TunedDetector {
  * smoothing (kills jitter); moving fast => light smoothing (stays responsive).
  */
 class OneEuro {
-  constructor(minCutoff = 1.2, beta = 0.012, dCutoff = 1.0) {
+  // minCutoff: baseline smoothing when still (lower = smoother but laggier).
+  // beta: how aggressively smoothing backs off as the value moves (higher =
+  //   snappier tracking when you pan the phone, so ghosts follow the camera).
+  // Tuned for AR panning: keep jitter down when still, but track fast motion
+  // almost 1:1 so the world doesn't lag behind the camera.
+  constructor(minCutoff = 1.7, beta = 0.15, dCutoff = 1.0) {
     this.minCutoff = minCutoff; this.beta = beta; this.dCutoff = dCutoff;
     this.xPrev = null; this.dxPrev = 0; this.tPrev = null;
   }