javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - materials - standard</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">
	</head>

	<body>
		<div id="info">
			<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl physically based material<br/>
			<a href="http://www.polycount.com/forum/showthread.php?t=130641" target="_blank" rel="noopener">Cerberus(FFVII Gun) model</a> by Andrew Maximov.
		</div>

		<script src="../build/three.js"></script>

		<script src="js/controls/TrackballControls.js"></script>
		<script src="js/loaders/OBJLoader.js"></script>

		<script src="js/pmrem/PMREMGenerator.js"></script>
		<script src="js/pmrem/PMREMCubeUVPacker.js"></script>

		<script src="js/WebGL.js"></script>
		<script src="js/libs/stats.min.js"></script>

		<script>

			if ( WEBGL.isWebGLAvailable() === false ) {

				document.body.appendChild( WEBGL.getWebGLErrorMessage() );

			}

			var statsEnabled = true;

			var container, stats;

			var camera, scene, renderer, controls;

			init();
			animate();

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				renderer.gammaInput = true;
				renderer.gammaOutput = true;
				renderer.toneMapping = THREE.ReinhardToneMapping;
				renderer.toneMappingExposure = 3;

				//

				scene = new THREE.Scene();

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 1000 );
				camera.position.z = 2;

				controls = new THREE.TrackballControls( camera, renderer.domElement );

				//

				scene.add( new THREE.HemisphereLight( 0x443333, 0x222233, 4 ) );

				//

				var material = new THREE.MeshStandardMaterial();

				new THREE.OBJLoader()
					.setPath( 'models/obj/cerberus/' )
					.load( 'Cerberus.obj', function ( group ) {

						var loader = new THREE.TextureLoader()
							.setPath( 'models/obj/cerberus/' );

						material.roughness = 1; // attenuates roughnessMap
						material.metalness = 1; // attenuates metalnessMap

						material.map = loader.load( 'Cerberus_A.jpg' );
						// roughness is in G channel, metalness is in B channel
						material.metalnessMap = material.roughnessMap = loader.load( 'Cerberus_RM.jpg' );
						material.normalMap = loader.load( 'Cerberus_N.jpg' );

						material.map.wrapS = THREE.RepeatWrapping;
						material.roughnessMap.wrapS = THREE.RepeatWrapping;
						material.metalnessMap.wrapS = THREE.RepeatWrapping;
						material.normalMap.wrapS = THREE.RepeatWrapping;

						group.traverse( function ( child ) {

							if ( child instanceof THREE.Mesh ) {

								child.material = material;

							}

						} );

						group.position.x = - 0.45;
						group.rotation.y = - Math.PI / 2;
						scene.add( group );

					} );

				new THREE.CubeTextureLoader().setPath( './textures/cube/pisaRGBM16/' )
					.load( [ 'px.png', 'nx.png', 'py.png', 'ny.png', 'pz.png', 'nz.png' ], function ( rgbmCubeMap ) {

					rgbmCubeMap.encoding = THREE.RGBM16Encoding;
					rgbmCubeMap.format = THREE.RGBAFormat;

					var pmremGenerator = new THREE.PMREMGenerator( rgbmCubeMap );
					pmremGenerator.update( renderer );

					var pmremCubeUVPacker = new THREE.PMREMCubeUVPacker( pmremGenerator.cubeLods );
					pmremCubeUVPacker.update( renderer );

					var rgbmCubeRenderTarget = pmremCubeUVPacker.CubeUVRenderTarget;

					material.envMap = rgbmCubeRenderTarget.texture;
					material.needsUpdate = true; // is this needed?

					rgbmCubeMap.magFilter = THREE.LinearFilter;
					rgbmCubeMap.needsUpdate = true;
					scene.background = rgbmCubeMap;

					pmremGenerator.dispose();
					pmremCubeUVPacker.dispose();

				} );

				//

				if ( statsEnabled ) {

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

				}

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

			}

			//

			function onWindowResize() {

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

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

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				controls.update();
				renderer.render( scene, camera );

				if ( statsEnabled ) stats.update();

			}

		</script>

	</body>
</html>