diff --git a/src/components/three/ControllerLocomotion.tsx b/src/components/three/ControllerLocomotion.tsx
index 40e29ff..7855fd1 100644
--- a/src/components/three/ControllerLocomotion.tsx
+++ b/src/components/three/ControllerLocomotion.tsx
@@ -30,9 +30,19 @@ export function ControllerLocomotion({ rigRef }: Props) {
   const fwdPushed = useRef(false);
   const raycaster = useRef(new THREE.Raycaster());
   
+  const [arcLine] = useState(() => {
+    const geom = new THREE.BufferGeometry();
+    const mat = new THREE.LineBasicMaterial({
+      color: '#06b6d4',
+      transparent: true,
+      opacity: 0.8,
+    });
+    const line = new THREE.Line(geom, mat);
+    line.visible = false;
+    return line;
+  });
+
   // Refs visuais
-  const arcLineRef = useRef<THREE.Line>(null);
-  const lineGeomRef = useRef<THREE.BufferGeometry>(null);
   const reticleRef = useRef<THREE.Mesh>(null);
 
   // Estados temporários do teletransporte
@@ -42,7 +52,7 @@ export function ControllerLocomotion({ rigRef }: Props) {
   useFrame((_state, _dt, frame: XRFrame | undefined) => {
     const rig = rigRef.current;
     if (!rig || !session || !frame) {
-      if (arcLineRef.current) arcLineRef.current.visible = false;
+      arcLine.visible = false;
       if (reticleRef.current) reticleRef.current.visible = false;
       return;
     }
@@ -146,12 +156,10 @@ export function ControllerLocomotion({ rigRef }: Props) {
       lastTeleportHitModel.current = hitModel;
 
       // Atualiza a geometria do arco
-      if (lineGeomRef.current && arcLineRef.current) {
-        lineGeomRef.current.setFromPoints(points);
-        lineGeomRef.current.attributes.position.needsUpdate = true;
-        lineGeomRef.current.computeBoundingSphere();
-        arcLineRef.current.visible = true;
-      }
+      arcLine.geometry.setFromPoints(points);
+      arcLine.geometry.attributes.position.needsUpdate = true;
+      arcLine.geometry.computeBoundingSphere();
+      arcLine.visible = true;
 
       // Atualiza o retículo
       if (reticleRef.current) {
@@ -200,7 +208,7 @@ export function ControllerLocomotion({ rigRef }: Props) {
       }
 
       // Oculta feixe e retículo
-      if (arcLineRef.current) arcLineRef.current.visible = false;
+      arcLine.visible = false;
       if (reticleRef.current) reticleRef.current.visible = false;
     }
   });
@@ -208,10 +216,7 @@ export function ControllerLocomotion({ rigRef }: Props) {
   return (
     <>
       {/* Arco parabólico premium */}
-      <line ref={arcLineRef as any} visible={false}>
-        <bufferGeometry ref={lineGeomRef} />
-        <lineBasicMaterial color="#06b6d4" linewidth={3.5} transparent opacity={0.8} />
-      </line>
+      <primitive object={arcLine} />
 
       {/* Retículo de pouso */}
       <mesh ref={reticleRef} visible={false} rotation={[-Math.PI / 2, 0, 0]}>