477 lines
16 KiB
JavaScript
477 lines
16 KiB
JavaScript
import * as THREE from 'three';
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import Stats from 'three/addons/libs/stats.module.js';
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import { RapierPhysics } from 'three/addons/physics/RapierPhysics.js';
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import { RapierHelper } from 'three/addons/helpers/RapierHelper.js';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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import { KTX2Loader } from 'three/addons/loaders/KTX2Loader.js';
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import { MeshoptDecoder } from 'three/addons/libs/meshopt_decoder.module.js';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { SSAOPass } from 'three/addons/postprocessing/SSAOPass.js';
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import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
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import { OutputPass } from 'three/addons/postprocessing/OutputPass.js';
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import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
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class ThirdPersionControls extends THREE.Controls {
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constructor(object, domElement) {
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super(object, domElement);
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this.offset = new THREE.Vector3(0, 1, -5);
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this.targetPosition = new THREE.Vector3(0, 0, 0);
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this.horizontalSpringConstant = 0.5;
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this.horizontalDampingConstant = 0.3;
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this.velocity = new THREE.Vector3(0, 0, 0);
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}
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update( deltaTime = null ) {
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}
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}
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let renderer, camera, scene, stats, container, sun, controls, composer, clock = new THREE.Clock();
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let car, chassis, wheels, headLightLeft, headLightRight, brakeLightLeft, brakeLightRight;
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let physics, physicsHelper, vehicleController, movement;
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let focus = true;
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function init() {
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stats = new Stats();
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renderer = new THREE.WebGLRenderer({ antialias: true });
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camera = new THREE.PerspectiveCamera(40, window.innerWidth / window.innerHeight, 1, 100);
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scene = new THREE.Scene();
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container.appendChild(stats.dom);
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container.appendChild(renderer.domElement);
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// setup
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renderer.setPixelRatio(window.devicePixelRatio);
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renderer.setSize(window.innerWidth, window.innerHeight);
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renderer.shadowMap.enabled = true;
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scene.background = new THREE.Color(0xbfe3dd);
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camera.position.set(-5, 3, -5);
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camera.lookAt(0, 0.5, 0);
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camera.far = 100;
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controls = new ThirdPersionControls(camera, renderer.domElement);
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controls.update();
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composer = new EffectComposer( renderer );
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const renderPass = new RenderPass( scene, camera );
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composer.addPass( renderPass );
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const width = window.innerWidth;
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const height = window.innerHeight;
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const ssaoPass = new SSAOPass( scene, camera, width, height );
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ssaoPass.output = SSAOPass.OUTPUT.Default;
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ssaoPass.kernelRadius = 64;
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composer.addPass( ssaoPass );
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const outputPass = new OutputPass();
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composer.addPass( outputPass );
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}
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function setupLights() {
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sun = new THREE.DirectionalLight(0xffffff, 1.5);
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sun.position.set(10, 10, 3);
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sun.castShadow = true;
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sun.shadow.mapSize.width = sun.shadow.mapSize.height = 1024 * 2;
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sun.shadow.camera.near = 10;
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sun.shadow.camera.far = 50;
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sun.shadow.camera.left = -2;
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sun.shadow.camera.right = 2;
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sun.shadow.camera.top = 2;
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sun.shadow.camera.bottom = -2;
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sun.shadow.bias = -0.001;
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sun.shadow.radius = 2;
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scene.add(sun);
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var ambientLight = new THREE.AmbientLight(0xffffff, 0.3);
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scene.add(ambientLight);
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//const cameraHelper = new THREE.CameraHelper(sun.shadow.camera);
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//scene.add(cameraHelper);
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}
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function setupWorld() {
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var groundPlane = new THREE.Mesh(
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new THREE.BoxGeometry(100, 0.5, 100),
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new THREE.MeshStandardMaterial({ color: 0x808080 })
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);
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groundPlane.receiveShadow = true;
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groundPlane.castShadow = false;
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groundPlane.userData = { physics: { mass: 0 } }; // static object
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groundPlane.position.set(0, -0.25, 0);
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scene.add(groundPlane);
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}
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function addWheel(index, pos, carMesh, model) {
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const wheelRadius = 0.2;
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const wheelWidth = 0.16;
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const suspensionRestLength = 0.04;
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const wheelPosition = pos; // Position relative to chassis
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const wheelDirection = { x: 0.0, y: - 1.0, z: 0.0 }; // Downward direction
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const wheelAxle = { x: 1, y: 0.0, z: 0.0 }; // Axle direction
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// Add the wheel to the vehicle controller
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vehicleController.addWheel(
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wheelPosition,
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wheelDirection,
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wheelAxle,
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suspensionRestLength,
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wheelRadius
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);
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// Set suspension stiffness for wheel
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vehicleController.setWheelSuspensionStiffness(index, 45.0);
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vehicleController.setWheelSuspensionCompression(index, 0.8);
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vehicleController.setWheelSuspensionRelaxation(index, 0.6);
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// Set wheel friction
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vehicleController.setWheelFrictionSlip(index, 100.0);
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vehicleController.setWheelSideFrictionStiffness(index, 2.0);
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// Enable steering for the wheel
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vehicleController.setWheelSteering(index, pos.z > 0);
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// Create a wheel mesh
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const geometry = new THREE.CylinderGeometry(wheelRadius, wheelRadius, wheelWidth, 16);
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//geometry.rotateZ(Math.PI * 0.5);
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const material = new THREE.MeshStandardMaterial({ visible: false });
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const wheel = new THREE.Mesh(geometry, material);
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var m = model.clone();
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if (pos.x < 0) {
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m.rotateZ(Math.PI);
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}
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wheel.add(m);
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wheel.castShadow = false;
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wheel.position.copy(pos);
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wheels.push(wheel);
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carMesh.add(wheel);
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}
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function createCar() {
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const loader = new GLTFLoader();
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const geometry = new THREE.BoxGeometry(1, 0.45, 2.5);
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const material = new THREE.MeshStandardMaterial({ visible: false })
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const mesh = new THREE.Mesh(geometry, material);
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//
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scene.add(mesh);
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car = mesh;
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mesh.position.y = 1;
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physics.addMesh(mesh, 1100, 0.2); // addMesh places the RigidBody in the mesh.userData.physics object
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chassis = mesh.userData.physics.body;
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//chassis.linearDamping = 0.2;
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//chassis.angularDamping = 0.3;
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vehicleController = physics.world.createVehicleController(chassis);
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vehicleController.setIndexForwardAxis = 2;
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vehicleController.indexUpAxis = 0;
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console.log();
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wheels = [];
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loader.load('Miata_wheel.glb', (gltf) => {
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gltf.scene.children[0].traverse((child) => {
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if (child.isMesh) {
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child.castShadow = true;
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child.receiveShadow = true;
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}
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});
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gltf.scene.children[0].position.set(0, 0, 0);
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const model = gltf.scene.children[0];
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addWheel(0, { x: - 0.49, y: -0.2, z: - 0.75 }, mesh, model);
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addWheel(1, { x: 0.49, y: -0.2, z: - 0.75 }, mesh, model);
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addWheel(2, { x: - 0.49, y: -0.2, z: 0.8 }, mesh, model);
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addWheel(3, { x: 0.49, y: -0.2, z: 0.8 }, mesh, model);
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//vehicleController.setWheelSteering( 2, Math.PI / 4 );
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//vehicleController.setWheelSteering( 3, Math.PI / 4 );
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});
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loader.load('Miata.glb', (gltf) => {
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const m = gltf.scene;
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m.traverse((child) => {
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if (child.isMesh) {
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child.castShadow = true;
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child.receiveShadow = true;
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}
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});
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m.position.set(0, -0.35, 0);
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m.scale.set(1.0, 1.0, 1.0);
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mesh.add(m);
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});
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headLightLeft = new THREE.SpotLight(0xffffff, 3.0, 20, Math.PI / 4, 0.2);
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headLightLeft.position.set(-0.35, 0.3, 1.1);
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headLightLeft.castShadow = true;
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headLightLeft.shadow.mapSize.width = 1024;
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headLightLeft.shadow.mapSize.height = 1024;
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headLightLeft.shadow.camera.near = 0.5;
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headLightLeft.shadow.camera.far = 10;
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headLightLeft.shadow.camera.fov = 30;
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headLightLeft.shadow.bias = -0.001;
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headLightLeft.shadow.radius = 3;
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var headLightLeftTarget = new THREE.Object3D();
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headLightLeftTarget.position.set(-0.35, 0.25, 2);
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headLightLeft.target = headLightLeftTarget;
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mesh.add(headLightLeftTarget);
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mesh.add(headLightLeft);
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headLightRight = new THREE.SpotLight(0xffffff, 3.0, 20, Math.PI / 4, 0.2);
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headLightRight.position.set(0.35, 0.3, 1.1);
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headLightRight.castShadow = true;
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headLightRight.shadow.mapSize.width = 1024;
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headLightRight.shadow.mapSize.height = 1024;
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headLightRight.shadow.camera.near = 0.5;
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headLightRight.shadow.camera.far = 10;
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headLightRight.shadow.camera.fov = 30;
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headLightRight.shadow.bias = -0.001;
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headLightRight.shadow.radius = 3;
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var headLightRightTarget = new THREE.Object3D();
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headLightRightTarget.position.set(0.35, 0.25, 2);
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headLightRight.target = headLightRightTarget;
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mesh.add(headLightRightTarget);
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mesh.add(headLightRight);
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brakeLightLeft = new THREE.SpotLight(0xff0000, 2.5, 5, Math.PI / 4, 0.2);
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brakeLightLeft.position.set(-0.4, 0.2, -1.3);
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brakeLightLeft.castShadow = true;
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brakeLightLeft.shadow.mapSize.width = 1024;
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brakeLightLeft.shadow.mapSize.height = 1024;
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brakeLightLeft.shadow.camera.near = 0.5;
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brakeLightLeft.shadow.camera.far = 10;
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brakeLightLeft.shadow.camera.fov = 30;
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brakeLightLeft.shadow.bias = -0.001;
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brakeLightLeft.shadow.radius = 5;
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var brakeLightLeftTarget = new THREE.Object3D();
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brakeLightLeftTarget.position.set(-0.4, 0.2, -3);
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brakeLightLeft.target = brakeLightLeftTarget;
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mesh.add(brakeLightLeftTarget);
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mesh.add(brakeLightLeft);
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brakeLightRight = new THREE.SpotLight(0xff0000, 2.5, 5, Math.PI / 4, 0.2);
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brakeLightRight.position.set(0.4, 0.2, -1.3);
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brakeLightRight.castShadow = true;
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brakeLightRight.shadow.mapSize.width = 1024;
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brakeLightRight.shadow.mapSize.height = 1024;
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brakeLightRight.shadow.camera.near = 0.5;
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brakeLightRight.shadow.camera.far = 10;
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brakeLightRight.shadow.camera.fov = 30;
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brakeLightRight.shadow.bias = -0.001;
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brakeLightRight.shadow.radius = 5;
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var brakeLightRightTarget = new THREE.Object3D();
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brakeLightRightTarget.position.set(0.4, 0.2, -3);
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brakeLightRight.target = brakeLightRightTarget;
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mesh.add(brakeLightRightTarget);
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mesh.add(brakeLightRight);
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}
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async function initPhysics() {
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physics = await RapierPhysics();
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physicsHelper = new RapierHelper(physics.world);
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scene.add(physicsHelper);
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physics.addScene(scene);
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}
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function updateWheels() {
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if (vehicleController === undefined) return;
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const wheelSteeringQuat = new THREE.Quaternion();
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const wheelRotationQuat = new THREE.Quaternion();
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const up = new THREE.Vector3(0, 1, 0);
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//const chassisPosition = chassis.translation();
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wheels.forEach((wheel, index) => {
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const wheelAxleCs = vehicleController.wheelAxleCs(index);
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const connection = vehicleController.wheelChassisConnectionPointCs(index).y || 0;
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const suspension = vehicleController.wheelSuspensionLength(index) || 0;
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const steering = vehicleController.wheelSteering(index) || 0;
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const rotationRad = vehicleController.wheelRotation(index) || 0;
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wheel.position.y = connection - suspension;
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wheelSteeringQuat.setFromAxisAngle(up, steering);
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wheelRotationQuat.setFromAxisAngle(wheelAxleCs, rotationRad);
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wheel.quaternion.set(0, 0, 0, 1);
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wheel.quaternion.multiply(wheelSteeringQuat);
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wheel.quaternion.multiply(wheelRotationQuat);
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});
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}
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function updateCarControl() {
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let accelerateForce = 0;
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if (chassis.isSleeping()) chassis.wakeUp();
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if (movement.forward < 0) {
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//if (movement.accelerateForce.value === 0) chassis.wakeUp();
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//accelerateForce = movement.accelerateForce.value - movement.accelerateForce.step;
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//if (accelerateForce < movement.accelerateForce.min) accelerateForce = movement.accelerateForce.min;
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accelerateForce = movement.accelerateForce.max;
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} else if (movement.forward > 0) {
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//if (movement.accelerateForce.value === 0) chassis.wakeUp();
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//accelerateForce = movement.accelerateForce.value + movement.accelerateForce.step;
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//if (accelerateForce > movement.accelerateForce.max) accelerateForce = movement.accelerateForce.max;
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accelerateForce = movement.accelerateForce.min;
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}
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movement.accelerateForce.value = accelerateForce;
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//console.log(accelerateForce);
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let brakeForce = 0;
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if (movement.brake > 0) {
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brakeLightLeft.intensity = 2.5;
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brakeLightRight.intensity = 2.5;
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brakeForce = movement.brakeForce.value + movement.brakeForce.step;
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if (brakeForce > movement.brakeForce.max) brakeForce = movement.brakeForce.max;
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}
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else {
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brakeLightLeft.intensity = 0;
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brakeLightRight.intensity = 0;
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}
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movement.brakeForce.value = brakeForce;
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const engineForce = accelerateForce;
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vehicleController.setWheelEngineForce(0, -engineForce);
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vehicleController.setWheelEngineForce(1, -engineForce);
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const currentSteering = vehicleController.wheelSteering(2);
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const steerDirection = movement.right;
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const steerAngle = Math.PI / 4;
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const steering = THREE.MathUtils.lerp(currentSteering, steerAngle * steerDirection, 0.02);
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vehicleController.setWheelSteering(2, steering);
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vehicleController.setWheelSteering(3, steering);
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vehicleController
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const wheelBrake = movement.brake * brakeForce;
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vehicleController.setWheelBrake(0, wheelBrake);
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vehicleController.setWheelBrake(1, wheelBrake);
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vehicleController.setWheelBrake(2, wheelBrake);
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vehicleController.setWheelBrake(3, wheelBrake);
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}
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(async () => {
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container = document.getElementById('container');
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movement = {
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forward: 0,
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right: 0,
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brake: 0,
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accelerateForce: { value: 0, min: - 300, max: 600, step: 50 },
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brakeForce: { value: 0, min: 0, max: 350, step: 0.1 }
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};
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window.addEventListener('keydown', (event) => {
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if (event.key === 'w' || event.key === 'ArrowUp') movement.forward = - 1;
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if (event.key === 's' || event.key === 'ArrowDown') movement.forward = 1;
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if (event.key === 'a' || event.key === 'ArrowLeft') movement.right = 1;
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if (event.key === 'd' || event.key === 'ArrowRight') movement.right = - 1;
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if (event.key === ' ') movement.brake = 1;
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});
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window.addEventListener('keyup', (event) => {
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if ((event.key === 'w' || event.key === 'ArrowUp' ) && movement.forward == -1) movement.forward = 0;
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if ((event.key === 's' || event.key === 'ArrowDown') && movement.forward == 1) movement.forward = 0;
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if ((event.key === 'a' || event.key === 'ArrowLeft') && movement.right == 1) movement.right = 0;
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if ((event.key === 'd' || event.key === 'ArrowRight') && movement.right == -1) movement.right = 0;
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if (event.key === ' ') movement.brake = 0;
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});
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window.onresize = function () {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize(window.innerWidth, window.innerHeight);
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composer.setSize(window.innerWidth, window.innerHeight);
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};
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window.addEventListener('blur', () => {
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focus = false;
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});
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window.addEventListener('focus', () => {
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focus = true;
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});
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init();
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setupWorld();
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setupLights();
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await initPhysics();
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createCar();
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function loop() {
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if (document.hidden) {
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focus = false;
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}
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// if window is not focused // not visible, pause the loop
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if (!focus) {
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//return;
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}
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let delta = clock.getDelta();
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delta = Math.min(delta, 1 / 60); // cap delta to avoid large jumps
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// rotate the car
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controls.targetPosition.copy(car.position);
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controls.update(delta);
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// set spotlight target to forward of the car
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sun.target = car;
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sun.position.copy(car.position).add(new THREE.Vector3(10, 10, 3));
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updateCarControl();
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vehicleController.updateVehicle(delta);
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updateWheels();
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if (physicsHelper) physicsHelper.update();
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//renderer.render(scene, camera);
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stats.update();
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composer.render(renderer, scene, camera);
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}
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renderer.setAnimationLoop(loop);
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})(); |