🚀 Auto-deploy: melhoria no snap e medição AR em 30/05/2026 10:28:12

src/pages/XRSession.tsx

@@ -34,6 +34,7 @@ import {
   pushXRRealPoint,
   pushXRVirtualPoint,
   computeVirtRealTransform,
+  activeModelGroupRef,
 } from '@/components/three/xrCalibrationBus';
 
 // --- Diagnóstico XR ---
@@ -973,20 +974,54 @@ function XRVirtRealDesktopAligner() {
 function XRGrid() {
   const showGrid = useModelStore((s) => s.showGrid);
   const gridY = useModelStore((s) => s.gridY);
+  const activeModelId = useModelStore((s) => s.activeModelId);
+  const activeModel = useModelStore((s) => s.models.find(m => m.id === activeModelId));
+  const groupRef = useRef<THREE.Group>(null);
+
+  useFrame(() => {
+    if (!showGrid || !groupRef.current) return;
+
+    let px = 0;
+    let pz = 0;
+    let ry = 0;
+
+    if (activeModelGroupRef.current) {
+      const g = activeModelGroupRef.current;
+      const wp = new THREE.Vector3();
+      g.getWorldPosition(wp);
+      px = wp.x;
+      pz = wp.z;
+
+      const wq = new THREE.Quaternion();
+      g.getWorldQuaternion(wq);
+      const euler = new THREE.Euler().setFromQuaternion(wq, 'YXZ');
+      ry = euler.y;
+    } else if (activeModel) {
+      px = activeModel.fineTuning.posX;
+      pz = activeModel.fineTuning.posZ;
+      ry = (activeModel.fineTuning.rotY * Math.PI) / 180;
+    }
+
+    groupRef.current.position.set(px, gridY, pz);
+    groupRef.current.rotation.set(0, ry, 0);
+  });
+
   if (!showGrid) return null;
+
   return (
-    <Grid
-      position={[0, gridY, 0]}
-      infiniteGrid
-      cellSize={0.01}
-      sectionSize={0.1}
-      cellThickness={0.5}
-      sectionThickness={1}
-      cellColor="#334155"
-      sectionColor="#475569"
-      fadeDistance={5}
-      fadeStrength={1}
-    />
+    <group ref={groupRef}>
+      <Grid
+        infiniteGrid
+        cellSize={0.01}
+        sectionSize={0.1}
+        cellThickness={0.5}
+        sectionThickness={1}
+        cellColor="#334155"
+        sectionColor="#475569"
+        fadeDistance={5}
+        fadeStrength={1}
+      />
+    </group>
   );
 }