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236 lines
4.8 KiB
236 lines
4.8 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - materials - matcap</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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font-family: Monospace;
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background-color: #000;
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color: #fff;
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margin: 0px;
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overflow: hidden;
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}
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a {
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color: #ffa;
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font-weight: bold;
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}
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#info {
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color: #fff;
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position: absolute;
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top: 10px;
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width: 100%;
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text-align: center;
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z-index: 0; /* to not conflict with dat.gui */
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display:block;
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}
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</style>
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</head>
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<body>
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<div id="info">
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<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl materials matcap<br />
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Drag-and-drop alternate MatCap image files<br/>
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</div>
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<script src="../build/three.js"></script>
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<script src="js/controls/OrbitControls.js"></script>
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<script src="js/loaders/GLTFLoader.js"></script>
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<script src="js/libs/dat.gui.min.js"></script>
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<script src="js/WebGL.js"></script>
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<script>
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if ( WEBGL.isWebGLAvailable() === false ) {
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document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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}
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var mesh, renderer, scene, camera;
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var image;
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var API = {
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color: 0xffffff,
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exposure: 1.0
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};
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init();
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function init() {
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// renderer
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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// tone mapping
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renderer.toneMapping = THREE.LinearToneMapping;
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renderer.toneMappingExposure = API.exposure;
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renderer.gammaOutput = true;
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// scene
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scene = new THREE.Scene();
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// camera
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camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 100 );
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camera.position.set( 0, 0, 12 );
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// controls
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var controls = new THREE.OrbitControls( camera, renderer.domElement );
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controls.addEventListener( 'change', render );
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controls.enableZoom = false;
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// manager
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var manager = new THREE.LoadingManager( render );
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// matcap
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var loader = new THREE.TextureLoader( manager );
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var matcap = loader.load( 'textures/matcaps/matcap-porcelain-white.jpg', function () {
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matcap.encoding = THREE.sRGBEncoding;
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} );
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// model
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new THREE.GLTFLoader( manager ).load( 'models/gltf/LeePerrySmith/LeePerrySmith.glb', function ( gltf ) {
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mesh = gltf.scene.children[ 0 ];
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mesh.material = new THREE.MeshMatcapMaterial( {
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color: API.color,
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matcap: matcap
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} );
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scene.add( mesh );
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} );
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// gui
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var gui = new dat.GUI();
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gui.addColor( API, 'color' )
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.listen()
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.onChange( function () {
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mesh.material.color.set( API.color ); render();
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} );
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gui.add( API, 'exposure', 0, 2 )
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.onChange( function () {
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renderer.toneMappingExposure = API.exposure; render();
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} );
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gui.domElement.style.webkitUserSelect = 'none';
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// drag 'n drop
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initDragAndDrop();
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// corner div
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var div = document.createElement( 'div' );
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div.style.position = 'absolute';
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div.style.top = '10px';
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div.style.left = '10px';
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document.body.appendChild( div );
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image = document.createElement( 'img' );
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image.style.width = '128px';
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image.style.height = '128px';
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image.style.display = 'block';
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image.style.margin = '0 0 10px 0';
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image.src = 'textures/matcaps/matcap-porcelain-white.jpg';
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div.appendChild( image );
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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renderer.setSize( window.innerWidth, window.innerHeight );
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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render();
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}
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function render() {
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renderer.render( scene, camera );
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}
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//
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// drag and drop anywhere in document
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function imgCallback( event ) {
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if ( mesh.material.matcap ) {
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mesh.material.matcap.dispose();
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}
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mesh.material.matcap = new THREE.Texture( event.target );
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mesh.material.matcap.needsUpdate = true;
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image.src = mesh.material.matcap.image.src; // corner div
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render();
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}
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function initDragAndDrop() {
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document.addEventListener( 'dragover', function ( event ) {
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event.preventDefault();
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event.dataTransfer.dropEffect = 'copy';
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}, false );
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document.addEventListener( 'drop', function ( event ) {
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event.preventDefault();
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var img = new Image();
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img.onload = imgCallback;
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img.src = event.currentTarget.result;
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}, false );
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reader.readAsDataURL( event.dataTransfer.files[ 0 ] );
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}, false );
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}
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</script>
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</body>
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</html>
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