/**
 * Fighter Jet — Codels 3D model library
 * License: CC0-1.0 · Units: meters · Y-up · Front: +Z · Origin: center of the base (y = 0)
 * Triangles: 1,836 · Size (W × H × D): 10.39 × 4.57 × 16.55 m
 *
 * Usage:
 *   import { createJet } from './jet.js';
 *   
 *   const model = createJet();
 *   model.position.set(0, 0, 0);
 *   scene.add(model);
 */
import * as THREE from 'three';

const deg = THREE.MathUtils.degToRad;

// Revolve a 2D profile [[radius, y], ...] around the Y axis.
function lathe(points, segments, phiStart = 0, phiLength = Math.PI * 2) {
  return new THREE.LatheGeometry(points.map(([x, y]) => new THREE.Vector2(x, y)), segments, phiStart, phiLength);
}

// Extrude a 2D outline along Z (centered). bevel = [thickness, size, segments].
function extrude(outline, depth, holes = [], bevel = null) {
  const shape = new THREE.Shape(outline.map(([x, y]) => new THREE.Vector2(x, y)));
  for (const hole of holes) shape.holes.push(new THREE.Path(hole.map(([x, y]) => new THREE.Vector2(x, y))));
  const options = bevel
    ? { depth, bevelEnabled: true, bevelThickness: bevel[0], bevelSize: bevel[1], bevelSegments: bevel[2] }
    : { depth, bevelEnabled: false };
  return new THREE.ExtrudeGeometry(shape, options).translate(0, 0, -depth / 2);
}

export function createJet() {
  const root = new THREE.Group();
  root.name = 'Jet';

  // Materials
  const paintMat = new THREE.MeshStandardMaterial({ name: 'paint', color: 0x808d9c, roughness: 0.5, metalness: 0.25, flatShading: true });
  const accentMat = new THREE.MeshStandardMaterial({ name: 'accent', color: 0xd24d38, roughness: 0.45, metalness: 0.15, flatShading: true });
  const radomeMat = new THREE.MeshStandardMaterial({ name: 'radome', color: 0x464e56, roughness: 0.55, metalness: 0.2, flatShading: true });
  const glassMat = new THREE.MeshStandardMaterial({ name: 'glass', color: 0x25313e, roughness: 0.2, metalness: 0.35 });
  const darkMat = new THREE.MeshStandardMaterial({ name: 'dark', color: 0x2b2f36, roughness: 0.6, metalness: 0.35, flatShading: true });
  const metalMat = new THREE.MeshStandardMaterial({ name: 'metal', color: 0xc3c8cf, roughness: 0.35, metalness: 0.6, flatShading: true });
  const glowMat = new THREE.MeshStandardMaterial({ name: 'glow', color: 0xff7a2a, roughness: 0.5, emissive: 0xff5212, emissiveIntensity: 1.5, flatShading: true });
  const coreMat = new THREE.MeshStandardMaterial({ name: 'core', color: 0xfff1bf, roughness: 0.5, emissive: 0xffd77a, emissiveIntensity: 1.6, flatShading: true });

  // Shared geometries
  const boxGeo = new THREE.BoxGeometry(0.66, 0.96, 2.5);
  const boxGeo2 = new THREE.BoxGeometry(0.54, 0.82, 0.04);
  const boxGeo3 = new THREE.BoxGeometry(0.7, 0.07, 0.4);
  const cylinderGeo = new THREE.CylinderGeometry(0.55, 0.55, 6.7, 10);
  const cylinderGeo2 = new THREE.CylinderGeometry(0.5, 0.55, 0.55, 10);
  const cylinderGeo3 = new THREE.CylinderGeometry(0.44, 0.44, 0.03, 10);
  const coneGeo = new THREE.ConeGeometry(0.42, 1.6, 10);
  const coneGeo2 = new THREE.ConeGeometry(0.27, 1, 8);
  const boxGeo4 = new THREE.BoxGeometry(0.08, 0.1, 2);
  const cylinderGeo4 = new THREE.CylinderGeometry(0.075, 0.075, 2.4, 6);
  const coneGeo3 = new THREE.ConeGeometry(0.075, 0.3, 6);
  const boxGeo5 = new THREE.BoxGeometry(0.36, 0.02, 0.2);
  const boxGeo6 = new THREE.BoxGeometry(0.02, 0.36, 0.2);
  const boxGeo7 = new THREE.BoxGeometry(0.08, 0.3, 1.2);
  const cylinderGeo5 = new THREE.CylinderGeometry(0.1, 0.1, 2.9, 6);
  const coneGeo4 = new THREE.ConeGeometry(0.1, 0.4, 6);
  const boxGeo8 = new THREE.BoxGeometry(0.46, 0.02, 0.26);
  const boxGeo9 = new THREE.BoxGeometry(0.02, 0.46, 0.26);
  const boxGeo10 = new THREE.BoxGeometry(0.32, 0.02, 0.2);
  const extrudeGeo = extrude([[-3.4, -0.15], [-5.25, 2.3], [-6.2, 2.36], [-6.7, -0.15]], 0.09, [], [0.03, 0.04, 1]);
  const extrudeGeo2 = extrude([[-4.97, 1.93], [-5.25, 2.3], [-6.2, 2.36], [-6.27, 1.93]], 0.12, [], [0.03, 0.04, 1]);
  const boxGeo11 = new THREE.BoxGeometry(0.1, 0.4, 0.05);
  const cylinderGeo6 = new THREE.CylinderGeometry(0.07, 0.08, 0.9, 6);
  const boxGeo12 = new THREE.BoxGeometry(0.04, 0.72, 0.6);
  const cylinderGeo7 = new THREE.CylinderGeometry(0.4, 0.4, 0.26, 12);
  const cylinderGeo8 = new THREE.CylinderGeometry(0.2, 0.2, 0.28, 8);

  // Parts
  const airframe = new THREE.Group();
  airframe.name = 'airframe';
  airframe.position.set(0, 1.95, 0);
  root.add(airframe);
  const fuselage = new THREE.Mesh(lathe([[0, -6.05], [0.46, -6.05], [0.7, -4.6], [0.82, -2], [0.86, 0.6], [0.8, 2.6], [0.68, 4.3], [0.52, 5.55]], 10, 0.3142, Math.PI * 2), paintMat);
  fuselage.name = 'fuselage';
  fuselage.rotation.set(deg(90), 0, 0);
  fuselage.scale.set(1, 1, 0.78);
  airframe.add(fuselage);
  const radome = new THREE.Mesh(lathe([[0.52, 5.55], [0.4, 6.35], [0.22, 7.1], [0.06, 7.5], [0, 7.55]], 10, 0.3142, Math.PI * 2), radomeMat);
  radome.name = 'radome';
  radome.rotation.set(deg(90), 0, 0);
  radome.scale.set(1, 1, 0.78);
  airframe.add(radome);
  const pitotProbe = new THREE.Mesh(new THREE.CylinderGeometry(0.025, 0.025, 0.6, 5), metalMat);
  pitotProbe.name = 'pitotProbe';
  pitotProbe.position.set(0, 0, 7.75);
  pitotProbe.rotation.set(deg(90), 0, 0);
  airframe.add(pitotProbe);
  const antiGlare = new THREE.Mesh(new THREE.BoxGeometry(0.5, 0.04, 1), darkMat);
  antiGlare.name = 'antiGlare';
  antiGlare.position.set(0, 0.6, 5);
  antiGlare.rotation.set(deg(-6), 0, 0);
  airframe.add(antiGlare);
  const spine = new THREE.Mesh(new THREE.BoxGeometry(0.36, 0.3, 4.6), paintMat);
  spine.name = 'spine';
  spine.position.set(0, 0.55, -0.6);
  airframe.add(spine);
  const canopy = new THREE.Group();
  canopy.name = 'canopy';
  canopy.position.set(0, 0.38, 2.3);
  airframe.add(canopy);
  const canopyGlass = new THREE.Mesh(new THREE.SphereGeometry(0.5, 12, 5, 0, Math.PI * 2, 0, Math.PI / 2), glassMat);
  canopyGlass.name = 'canopyGlass';
  canopyGlass.position.set(0, -0.02, 1.25);
  canopyGlass.scale.set(0.8, 0.9, 2.5);
  canopy.add(canopyGlass);
  const canopyFrame = new THREE.Mesh(new THREE.TorusGeometry(1, 0.05, 4, 12, Math.PI), darkMat);
  canopyFrame.name = 'canopyFrame';
  canopyFrame.position.set(0, -0.02, 1.62);
  canopyFrame.scale.set(0.37, 0.42, 1);
  canopy.add(canopyFrame);
  const canopyHinge = new THREE.Mesh(new THREE.BoxGeometry(0.62, 0.12, 0.3), darkMat);
  canopyHinge.name = 'canopyHinge';
  canopyHinge.position.set(0, 0.36, 2.25);
  airframe.add(canopyHinge);
  const intakeL = new THREE.Mesh(boxGeo, paintMat);
  intakeL.name = 'intakeL';
  intakeL.position.set(1.06, -0.15, 1.15);
  airframe.add(intakeL);
  const intakeMouthL = new THREE.Mesh(boxGeo2, darkMat);
  intakeMouthL.name = 'intakeMouthL';
  intakeMouthL.position.set(1.06, -0.15, 2.41);
  airframe.add(intakeMouthL);
  const intakeLipL = new THREE.Mesh(boxGeo3, accentMat);
  intakeLipL.name = 'intakeLipL';
  intakeLipL.position.set(1.06, 0.36, 2.15);
  airframe.add(intakeLipL);
  const nacelleL = new THREE.Mesh(cylinderGeo, paintMat);
  nacelleL.name = 'nacelleL';
  nacelleL.position.set(0.86, -0.2, -3);
  nacelleL.rotation.set(deg(90), 0, 0);
  airframe.add(nacelleL);
  const nozzleL = new THREE.Mesh(cylinderGeo2, darkMat);
  nozzleL.name = 'nozzleL';
  nozzleL.position.set(0.86, -0.2, -6.62);
  nozzleL.rotation.set(deg(90), 0, 0);
  airframe.add(nozzleL);
  const afterburnerL = new THREE.Group();
  afterburnerL.name = 'afterburnerL';
  afterburnerL.position.set(0.86, -0.2, -6.9);
  airframe.add(afterburnerL);
  const nozzleGlow = new THREE.Mesh(cylinderGeo3, coreMat);
  nozzleGlow.name = 'nozzleGlow';
  nozzleGlow.position.set(0, 0, 0.02);
  nozzleGlow.rotation.set(deg(90), 0, 0);
  afterburnerL.add(nozzleGlow);
  const plume = new THREE.Mesh(coneGeo, glowMat);
  plume.name = 'plume';
  plume.position.set(0, 0, -0.8);
  plume.rotation.set(deg(-90), 0, 0);
  afterburnerL.add(plume);
  const plumeCore = new THREE.Mesh(coneGeo2, coreMat);
  plumeCore.name = 'plumeCore';
  plumeCore.position.set(0, 0, -0.51);
  plumeCore.rotation.set(deg(-90), 0, 0);
  afterburnerL.add(plumeCore);
  const intakeR = new THREE.Mesh(boxGeo, paintMat);
  intakeR.name = 'intakeR';
  intakeR.position.set(-1.06, -0.15, 1.15);
  airframe.add(intakeR);
  const intakeMouthR = new THREE.Mesh(boxGeo2, darkMat);
  intakeMouthR.name = 'intakeMouthR';
  intakeMouthR.position.set(-1.06, -0.15, 2.41);
  airframe.add(intakeMouthR);
  const intakeLipR = new THREE.Mesh(boxGeo3, accentMat);
  intakeLipR.name = 'intakeLipR';
  intakeLipR.position.set(-1.06, 0.36, 2.15);
  airframe.add(intakeLipR);
  const nacelleR = new THREE.Mesh(cylinderGeo, paintMat);
  nacelleR.name = 'nacelleR';
  nacelleR.position.set(-0.86, -0.2, -3);
  nacelleR.rotation.set(deg(90), 0, 0);
  airframe.add(nacelleR);
  const nozzleR = new THREE.Mesh(cylinderGeo2, darkMat);
  nozzleR.name = 'nozzleR';
  nozzleR.position.set(-0.86, -0.2, -6.62);
  nozzleR.rotation.set(deg(90), 0, 0);
  airframe.add(nozzleR);
  const afterburnerR = new THREE.Group();
  afterburnerR.name = 'afterburnerR';
  afterburnerR.position.set(-0.86, -0.2, -6.9);
  airframe.add(afterburnerR);
  const nozzleGlow2 = new THREE.Mesh(cylinderGeo3, coreMat);
  nozzleGlow2.name = 'nozzleGlow';
  nozzleGlow2.position.set(0, 0, 0.02);
  nozzleGlow2.rotation.set(deg(90), 0, 0);
  afterburnerR.add(nozzleGlow2);
  const plume2 = new THREE.Mesh(coneGeo, glowMat);
  plume2.name = 'plume';
  plume2.position.set(0, 0, -0.8);
  plume2.rotation.set(deg(-90), 0, 0);
  afterburnerR.add(plume2);
  const plumeCore2 = new THREE.Mesh(coneGeo2, coreMat);
  plumeCore2.name = 'plumeCore';
  plumeCore2.position.set(0, 0, -0.51);
  plumeCore2.rotation.set(deg(-90), 0, 0);
  afterburnerR.add(plumeCore2);
  const wingL = new THREE.Group();
  wingL.name = 'wingL';
  wingL.position.set(0, -0.08, 0);
  wingL.rotation.set(0, 0, deg(-2));
  airframe.add(wingL);
  const wingPanel = new THREE.Mesh(extrude([[0.5, 2.4], [1.4, 1], [4.75, -2.5], [4.85, -3.45], [0.5, -4.1]], 0.1, [], [0.03, 0.04, 1]), paintMat);
  wingPanel.name = 'wingPanel';
  wingPanel.rotation.set(deg(90), 0, 0);
  wingL.add(wingPanel);
  const wingTip = new THREE.Mesh(extrude([[4.1, -1.82], [4.75, -2.5], [4.85, -3.45], [4.1, -3.53]], 0.12, [], [0.03, 0.04, 1]), accentMat);
  wingTip.name = 'wingTip';
  wingTip.rotation.set(deg(90), 0, 0);
  wingL.add(wingTip);
  const tipRail = new THREE.Mesh(boxGeo4, darkMat);
  tipRail.name = 'tipRail';
  tipRail.position.set(4.93, 0, -2.75);
  wingL.add(tipRail);
  const tipMissile = new THREE.Group();
  tipMissile.name = 'tipMissile';
  tipMissile.position.set(5.02, 0, -2.55);
  wingL.add(tipMissile);
  const body = new THREE.Mesh(cylinderGeo4, metalMat);
  body.name = 'body';
  body.rotation.set(deg(90), 0, 0);
  tipMissile.add(body);
  const seeker = new THREE.Mesh(coneGeo3, accentMat);
  seeker.name = 'seeker';
  seeker.position.set(0, 0, 1.35);
  seeker.rotation.set(deg(90), 0, 0);
  tipMissile.add(seeker);
  const box36 = new THREE.Mesh(boxGeo5, darkMat);
  box36.position.set(0, 0, -1);
  tipMissile.add(box36);
  const box37 = new THREE.Mesh(boxGeo6, darkMat);
  box37.position.set(0, 0, -1);
  tipMissile.add(box37);
  const pylon = new THREE.Mesh(boxGeo7, darkMat);
  pylon.name = 'pylon';
  pylon.position.set(2.7, -0.2, -1.9);
  wingL.add(pylon);
  const wingMissile = new THREE.Group();
  wingMissile.name = 'wingMissile';
  wingMissile.position.set(2.7, -0.45, -1.75);
  wingL.add(wingMissile);
  const body2 = new THREE.Mesh(cylinderGeo5, metalMat);
  body2.name = 'body';
  body2.rotation.set(deg(90), 0, 0);
  wingMissile.add(body2);
  const seeker2 = new THREE.Mesh(coneGeo4, accentMat);
  seeker2.name = 'seeker';
  seeker2.position.set(0, 0, 1.65);
  seeker2.rotation.set(deg(90), 0, 0);
  wingMissile.add(seeker2);
  const box42 = new THREE.Mesh(boxGeo8, darkMat);
  box42.position.set(0, 0, -1.25);
  wingMissile.add(box42);
  const box43 = new THREE.Mesh(boxGeo9, darkMat);
  box43.position.set(0, 0, -1.25);
  wingMissile.add(box43);
  const box44 = new THREE.Mesh(boxGeo10, darkMat);
  box44.position.set(0, 0, 0.7);
  wingMissile.add(box44);
  const wingR = new THREE.Group();
  wingR.name = 'wingR';
  wingR.position.set(0, -0.08, 0);
  wingR.rotation.set(0, 0, deg(2));
  airframe.add(wingR);
  const wingPanel2 = new THREE.Mesh(extrude([[-0.5, 2.4], [-1.4, 1], [-4.75, -2.5], [-4.85, -3.45], [-0.5, -4.1]], 0.1, [], [0.03, 0.04, 1]), paintMat);
  wingPanel2.name = 'wingPanel';
  wingPanel2.rotation.set(deg(90), 0, 0);
  wingR.add(wingPanel2);
  const wingTip2 = new THREE.Mesh(extrude([[-4.1, -1.82], [-4.75, -2.5], [-4.85, -3.45], [-4.1, -3.53]], 0.12, [], [0.03, 0.04, 1]), accentMat);
  wingTip2.name = 'wingTip';
  wingTip2.rotation.set(deg(90), 0, 0);
  wingR.add(wingTip2);
  const tipRail2 = new THREE.Mesh(boxGeo4, darkMat);
  tipRail2.name = 'tipRail';
  tipRail2.position.set(-4.93, 0, -2.75);
  wingR.add(tipRail2);
  const tipMissile2 = new THREE.Group();
  tipMissile2.name = 'tipMissile';
  tipMissile2.position.set(-5.02, 0, -2.55);
  wingR.add(tipMissile2);
  const body3 = new THREE.Mesh(cylinderGeo4, metalMat);
  body3.name = 'body';
  body3.rotation.set(deg(90), 0, 0);
  tipMissile2.add(body3);
  const seeker3 = new THREE.Mesh(coneGeo3, accentMat);
  seeker3.name = 'seeker';
  seeker3.position.set(0, 0, 1.35);
  seeker3.rotation.set(deg(90), 0, 0);
  tipMissile2.add(seeker3);
  const box52 = new THREE.Mesh(boxGeo5, darkMat);
  box52.position.set(0, 0, -1);
  tipMissile2.add(box52);
  const box53 = new THREE.Mesh(boxGeo6, darkMat);
  box53.position.set(0, 0, -1);
  tipMissile2.add(box53);
  const pylon2 = new THREE.Mesh(boxGeo7, darkMat);
  pylon2.name = 'pylon';
  pylon2.position.set(-2.7, -0.2, -1.9);
  wingR.add(pylon2);
  const wingMissile2 = new THREE.Group();
  wingMissile2.name = 'wingMissile';
  wingMissile2.position.set(-2.7, -0.45, -1.75);
  wingR.add(wingMissile2);
  const body4 = new THREE.Mesh(cylinderGeo5, metalMat);
  body4.name = 'body';
  body4.rotation.set(deg(90), 0, 0);
  wingMissile2.add(body4);
  const seeker4 = new THREE.Mesh(coneGeo4, accentMat);
  seeker4.name = 'seeker';
  seeker4.position.set(0, 0, 1.65);
  seeker4.rotation.set(deg(90), 0, 0);
  wingMissile2.add(seeker4);
  const box58 = new THREE.Mesh(boxGeo8, darkMat);
  box58.position.set(0, 0, -1.25);
  wingMissile2.add(box58);
  const box59 = new THREE.Mesh(boxGeo9, darkMat);
  box59.position.set(0, 0, -1.25);
  wingMissile2.add(box59);
  const box60 = new THREE.Mesh(boxGeo10, darkMat);
  box60.position.set(0, 0, 0.7);
  wingMissile2.add(box60);
  const stabilizerL = new THREE.Mesh(extrude([[1, -4.6], [3.05, -6.15], [3.15, -6.95], [1, -6.85]], 0.08, [], [0.03, 0.04, 1]), paintMat);
  stabilizerL.name = 'stabilizerL';
  stabilizerL.position.set(0, -0.2, 0);
  stabilizerL.rotation.set(deg(90), 0, 0);
  airframe.add(stabilizerL);
  const stabilizerR = new THREE.Mesh(extrude([[-1, -4.6], [-3.05, -6.15], [-3.15, -6.95], [-1, -6.85]], 0.08, [], [0.03, 0.04, 1]), paintMat);
  stabilizerR.name = 'stabilizerR';
  stabilizerR.position.set(0, -0.2, 0);
  stabilizerR.rotation.set(deg(90), 0, 0);
  airframe.add(stabilizerR);
  const tailFinL = new THREE.Group();
  tailFinL.name = 'tailFinL';
  tailFinL.position.set(1.2, 0.27, 0);
  tailFinL.rotation.set(0, 0, deg(-14));
  airframe.add(tailFinL);
  const fin = new THREE.Mesh(extrudeGeo, paintMat);
  fin.name = 'fin';
  fin.rotation.set(0, deg(-90), 0);
  tailFinL.add(fin);
  const finTip = new THREE.Mesh(extrudeGeo2, accentMat);
  finTip.name = 'finTip';
  finTip.rotation.set(0, deg(-90), 0);
  tailFinL.add(finTip);
  const finLight = new THREE.Mesh(boxGeo11, darkMat);
  finLight.name = 'finLight';
  finLight.position.set(0, 1.1, -5.9);
  tailFinL.add(finLight);
  const tailFinR = new THREE.Group();
  tailFinR.name = 'tailFinR';
  tailFinR.position.set(-1.2, 0.27, 0);
  tailFinR.rotation.set(0, 0, deg(14));
  airframe.add(tailFinR);
  const fin2 = new THREE.Mesh(extrudeGeo, paintMat);
  fin2.name = 'fin';
  fin2.rotation.set(0, deg(-90), 0);
  tailFinR.add(fin2);
  const finTip2 = new THREE.Mesh(extrudeGeo2, accentMat);
  finTip2.name = 'finTip';
  finTip2.rotation.set(0, deg(-90), 0);
  tailFinR.add(finTip2);
  const finLight2 = new THREE.Mesh(boxGeo11, darkMat);
  finLight2.name = 'finLight';
  finLight2.position.set(0, 1.1, -5.9);
  tailFinR.add(finLight2);
  const mainGearL = new THREE.Group();
  mainGearL.name = 'mainGearL';
  mainGearL.position.set(1.32, -0.65, -1.1);
  airframe.add(mainGearL);
  const strut = new THREE.Mesh(cylinderGeo6, metalMat);
  strut.name = 'strut';
  strut.position.set(0, -0.45, 0);
  mainGearL.add(strut);
  const gearDoor = new THREE.Mesh(boxGeo12, paintMat);
  gearDoor.name = 'gearDoor';
  gearDoor.position.set(0.16, -0.405, 0.05);
  mainGearL.add(gearDoor);
  const wheel = new THREE.Group();
  wheel.name = 'wheel';
  wheel.position.set(0, -0.9, 0);
  mainGearL.add(wheel);
  const tire = new THREE.Mesh(cylinderGeo7, darkMat);
  tire.name = 'tire';
  tire.rotation.set(0, 0, deg(90));
  wheel.add(tire);
  const hub = new THREE.Mesh(cylinderGeo8, metalMat);
  hub.name = 'hub';
  hub.rotation.set(0, 0, deg(90));
  wheel.add(hub);
  const mainGearR = new THREE.Group();
  mainGearR.name = 'mainGearR';
  mainGearR.position.set(-1.32, -0.65, -1.1);
  airframe.add(mainGearR);
  const strut2 = new THREE.Mesh(cylinderGeo6, metalMat);
  strut2.name = 'strut';
  strut2.position.set(0, -0.45, 0);
  mainGearR.add(strut2);
  const gearDoor2 = new THREE.Mesh(boxGeo12, paintMat);
  gearDoor2.name = 'gearDoor';
  gearDoor2.position.set(-0.16, -0.405, 0.05);
  mainGearR.add(gearDoor2);
  const wheel2 = new THREE.Group();
  wheel2.name = 'wheel';
  wheel2.position.set(0, -0.9, 0);
  mainGearR.add(wheel2);
  const tire2 = new THREE.Mesh(cylinderGeo7, darkMat);
  tire2.name = 'tire';
  tire2.rotation.set(0, 0, deg(90));
  wheel2.add(tire2);
  const hub2 = new THREE.Mesh(cylinderGeo8, metalMat);
  hub2.name = 'hub';
  hub2.rotation.set(0, 0, deg(90));
  wheel2.add(hub2);
  const noseGear = new THREE.Group();
  noseGear.name = 'noseGear';
  noseGear.position.set(0, -0.45, 4.65);
  airframe.add(noseGear);
  const strut3 = new THREE.Mesh(new THREE.CylinderGeometry(0.06, 0.07, 1.2, 6), metalMat);
  strut3.name = 'strut';
  strut3.position.set(0, -0.6, 0);
  noseGear.add(strut3);
  const torqueLink = new THREE.Mesh(new THREE.BoxGeometry(0.08, 0.08, 0.5), metalMat);
  torqueLink.name = 'torqueLink';
  torqueLink.position.set(0, -0.88, -0.2);
  torqueLink.rotation.set(deg(-30), 0, 0);
  noseGear.add(torqueLink);
  const wheel3 = new THREE.Group();
  wheel3.name = 'wheel';
  wheel3.position.set(0, -1.2, 0);
  noseGear.add(wheel3);
  const tire3 = new THREE.Mesh(new THREE.CylinderGeometry(0.3, 0.3, 0.2, 10), darkMat);
  tire3.name = 'tire';
  tire3.rotation.set(0, 0, deg(90));
  wheel3.add(tire3);
  const hub3 = new THREE.Mesh(new THREE.CylinderGeometry(0.15, 0.15, 0.22, 8), metalMat);
  hub3.name = 'hub';
  hub3.rotation.set(0, 0, deg(90));
  wheel3.add(hub3);

  root.traverse((o) => {
    if (o.isMesh) {
      o.castShadow = true;
      o.receiveShadow = true;
    }
  });
  return root;
}

export default createJet;