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HTML 

              
                <!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - materials - car</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
		<style>
			body {
				color: #444;
				background: #eee;
			}
			a {
				color: #08f;
			}
			.colorPicker {
				display: inline-block;
				margin: 0 10px
			}
		</style>
	</head>

	<body>
		<div id="info">
			
			<span class="colorPicker"><input id="body-color" type="color" value="#ff0000"></input><br/>Body</span>
			<span class="colorPicker"><input id="details-color" type="color" value="#ffffff"></input><br/>Details</span>
			<span class="colorPicker"><input id="glass-color" type="color" value="#ffffff"></input><br/>Glass</span>
		</div>

		<div id="container"></div>

<button class="element btn aktivitebutton" style=";width:300px;position:absolute;z-index:99;top:100px;left:3px"  id="delete" title="dd">delete body(not working)</button>

<button class="element btn aktivitebutton" style=";width:300px;position:absolute;z-index:99;top:200px;left:3px"  id="deleteall" title="dd">delete all(is working)</button>


<button class="element btn aktivitebutton" style=";width:300px;position:absolute;z-index:99;top:300px;left:3px"  id="change" title="dd">change body(is working)</button>


<a href="" class="element btn " style="right:50px;position:absolute;z-index:99;top:330px;left:3px"   title="dd">reload</a>
		
		<script type="module">

			import * as THREE from 'https://threejs.org//build/three.module.js';

			import Stats from 'https://threejs.org/examples/jsm/libs/stats.module.js';

			import { OrbitControls } from 'https://threejs.org/examples/jsm/controls/OrbitControls.js';
			import { RoomEnvironment } from 'https://threejs.org/examples/jsm/environments/RoomEnvironment.js';

			import { GLTFLoader } from 'https://threejs.org/examples/jsm/loaders/GLTFLoader.js';
			import { DRACOLoader } from 'https://threejs.org/examples/jsm/loaders/DRACOLoader.js';

			let camera, scene, renderer;
			let stats;

			let grid;
			let controls,carModel;

			const wheels = [];

			function init() {

				const container = document.getElementById( 'container' );

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( render );
				renderer.outputEncoding = THREE.sRGBEncoding;
				renderer.toneMapping = THREE.ACESFilmicToneMapping;
				renderer.toneMappingExposure = 0.85;
				container.appendChild( renderer.domElement );

				window.addEventListener( 'resize', onWindowResize, false );

				stats = new Stats();
				container.appendChild( stats.dom );

				//

				camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 0.1, 100 );
				camera.position.set( 4.25, 1.4, - 4.5 );

				controls = new OrbitControls( camera, container );
				controls.target.set( 0, 0.5, 0 );
				controls.update();

				const environment = new RoomEnvironment();
				const pmremGenerator = new THREE.PMREMGenerator( renderer );

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0xeeeeee );
				scene.environment = pmremGenerator.fromScene( environment ).texture;
				scene.fog = new THREE.Fog( 0xeeeeee, 10, 50 );

				grid = new THREE.GridHelper( 100, 40, 0x000000, 0x000000 );
				grid.material.opacity = 0.1;
				grid.material.depthWrite = false;
				grid.material.transparent = true;
				scene.add( grid );

				// materials

				const bodyMaterial = new THREE.MeshPhysicalMaterial( {
					color: 0xff0000, metalness: 0.6, roughness: 0.4, clearcoat: 0.05, clearcoatRoughness: 0.05
				} );

				const detailsMaterial = new THREE.MeshStandardMaterial( {
					color: 0xffffff, metalness: 1.0, roughness: 0.5
				} );

				const glassMaterial = new THREE.MeshPhysicalMaterial( {
					color: 0xffffff, metalness: 0, roughness: 0.1, transmission: 0.9, transparent: true
				} );

				const bodyColorInput = document.getElementById( 'body-color' );
				bodyColorInput.addEventListener( 'input', function () {

					bodyMaterial.color.set( this.value );

				} );

				const detailsColorInput = document.getElementById( 'details-color' );
				detailsColorInput.addEventListener( 'input', function () {

					detailsMaterial.color.set( this.value );

				} );

				const glassColorInput = document.getElementById( 'glass-color' );
				glassColorInput.addEventListener( 'input', function () {

					glassMaterial.color.set( this.value );

				} );

				// Car
				
				
	document.querySelector('#change').addEventListener('click', () => {
	
		
	  scene.getObjectByName('body').position.x=5;
	   
		
	});

    document.querySelector('#delete').addEventListener('click', () => {
	
		
	   scene.remove(scene.getObjectByName('body'));
	   
		
	});
				
				
	   document.querySelector('#deleteall').addEventListener('click', () => {
	
		
	   scene.remove(carModel);
	   
		
	});
						
				
				

				const shadow = new THREE.TextureLoader().load( 'https://threejs.org/examples/models/gltf/ferrari_ao.png' );

				const dracoLoader = new DRACOLoader();
				dracoLoader.setDecoderPath( 'https://threejs.org/examples/js/libs/draco/gltf/' );

				const loader = new GLTFLoader();
				loader.setDRACOLoader( dracoLoader );

				loader.load( 'https://threejs.org/examples/models/gltf/ferrari.glb', function ( gltf ) {

					 carModel = gltf.scene.children[ 0 ];

					carModel.getObjectByName( 'body' ).material = bodyMaterial;

					carModel.getObjectByName( 'rim_fl' ).material = detailsMaterial;
					carModel.getObjectByName( 'rim_fr' ).material = detailsMaterial;
					carModel.getObjectByName( 'rim_rr' ).material = detailsMaterial;
					carModel.getObjectByName( 'rim_rl' ).material = detailsMaterial;
					carModel.getObjectByName( 'trim' ).material = detailsMaterial;

					carModel.getObjectByName( 'glass' ).material = glassMaterial;

					wheels.push(
						carModel.getObjectByName( 'wheel_fl' ),
						carModel.getObjectByName( 'wheel_fr' ),
						carModel.getObjectByName( 'wheel_rl' ),
						carModel.getObjectByName( 'wheel_rr' )
					);

					// shadow
					const mesh = new THREE.Mesh(
						new THREE.PlaneBufferGeometry( 0.655 * 4, 1.3 * 4 ),
						new THREE.MeshBasicMaterial( {
							map: shadow, blending: THREE.MultiplyBlending, toneMapped: false, transparent: true
						} )
					);
					mesh.rotation.x = - Math.PI / 2;
					mesh.renderOrder = 2;
					carModel.add( mesh );

					scene.add( carModel );

				} );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function render() {

				const time = - performance.now() / 10;

				for ( let i = 0; i < wheels.length; i ++ ) {

					wheels[ i ].rotation.x = time * Math.PI;

				}

				grid.position.z = - ( time ) % 5;

				renderer.render( scene, camera );

				stats.update();

			}

			init();


 

		</script>

	</body>
</html>
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