
          const theta = i * 0.185 + Math.PI;
          const y = -(i * 6.5) + 650;

          const object = new THREE.Object3D();

          object.position.setFromCylindricalCoords(900, theta, y);

          vector.x = object.position.x * 2;
          vector.y = object.position.y;
          vector.z = object.position.z * 2;

          object.lookAt(vector);

          targets.helix.push(object);
        }

        // grid

        for (let i = 0; i < objects.length; i++) {
          const object = new TH