Changes

Co-authored-by: Reifonas <211114984+Reifonas@users.noreply.github.com>

src/components/three/XRControllerMeasure.tsx

@@ -104,6 +104,11 @@ export function XRControllerMeasure() {
     raycaster.current.set(tmpOrigin.current, tmpDir.current);
     raycaster.current.far = MAX_RAY;
 
+    let snappedPoint: THREE.Vector3 | null = null;
+    let snapKind: 'vertex' | 'edge' | 'surface' | 'hole' = 'surface';
+    let hoverDetected: { kind: 'hole' | 'edge'; value: number; position: THREE.Vector3; endpoints?: { a: THREE.Vector3; b: THREE.Vector3 } } | null = null;
+
+    if (doHeavy) {
       const hits = raycaster.current.intersectObjects(scene.children, true);
       const hit = hits.find((h) => {
         const o = h.object;
@@ -115,10 +120,6 @@ export function XRControllerMeasure() {
         return true;
       });
 
-    let snappedPoint: THREE.Vector3 | null = null;
-    let snapKind: 'vertex' | 'edge' | 'surface' | 'hole' = 'surface';
-    let hoverDetected: { kind: 'hole' | 'edge'; value: number; position: THREE.Vector3; endpoints?: { a: THREE.Vector3; b: THREE.Vector3 } } | null = null;
-
       if (hit && hit.object instanceof THREE.Mesh) {
         const size = gl.getSize(new THREE.Vector2());
         const canvasSize = { width: size.x || 1024, height: size.y || 1024 };
@@ -171,6 +172,14 @@ export function XRControllerMeasure() {
           snapKind = 'surface';
         }
       }
+      // Cache for non-heavy frames so the laser + trigger still have a target
+      cachedSnappedPoint.current = snappedPoint ? snappedPoint.clone() : null;
+      cachedSnapKind.current = snapKind;
+    } else {
+      // Light frame: reuse the last computed snap so visuals stay smooth
+      snappedPoint = cachedSnappedPoint.current ? cachedSnappedPoint.current.clone() : null;
+      snapKind = cachedSnapKind.current;
+    }
 
     // ── Dwell detection (1 s) to auto-register hovered hole/edge ─────
     const measureModeNow = useModelStore.getState().measureMode;