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241 lines
5.3 KiB
241 lines
5.3 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - animation - morph targets</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: #f0f0f0;
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margin: 0px;
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overflow: hidden;
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}
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#info {
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position: absolute;
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top: 0px;
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width: 100%;
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padding: 5px;
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font-family:Monospace;
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font-size:13px;
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text-align:center;
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color: #ffffff;
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}
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a { color: #ffffff; }
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</style>
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</head>
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<body>
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<div id="container"></div>
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<div id="info">
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<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - WebGL morph target example
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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/WebGL.js"></script>
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<script src="js/libs/dat.gui.min.js"></script>
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<script src="js/libs/stats.min.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 container;
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var camera, scene, renderer, raycaster;
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var mesh, mouse = new THREE.Vector2();
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init();
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animate();
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function init() {
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container = document.getElementById( 'container' );
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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
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camera.position.z = 500;
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x222222 );
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scene.fog = new THREE.Fog( 0x000000, 1, 15000 );
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var light = new THREE.PointLight( 0xffffff );
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light.position.z = 500;
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camera.add( light );
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scene.add( camera );
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var light = new THREE.AmbientLight( 0x111111 );
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scene.add( light );
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var geometry = new THREE.BoxGeometry( 100, 100, 100 );
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var material = new THREE.MeshLambertMaterial( { color: 0xff0000, morphTargets: true } );
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// construct 8 blend shapes
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for ( var i = 0; i < 8; i ++ ) {
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var vertices = [];
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for ( var v = 0; v < geometry.vertices.length; v ++ ) {
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vertices.push( geometry.vertices[ v ].clone() );
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if ( v === i ) {
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vertices[ vertices.length - 1 ].x *= 2;
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vertices[ vertices.length - 1 ].y *= 2;
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vertices[ vertices.length - 1 ].z *= 2;
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}
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}
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geometry.morphTargets.push( { name: "target" + i, vertices: vertices } );
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}
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geometry = new THREE.BufferGeometry().fromGeometry( geometry );
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mesh = new THREE.Mesh( geometry, material );
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scene.add( mesh );
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//
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var params = {
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influence1: 0,
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influence2: 0,
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influence3: 0,
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influence4: 0,
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influence5: 0,
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influence6: 0,
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influence7: 0,
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influence8: 0
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};
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var gui = new dat.GUI();
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var folder = gui.addFolder( 'Morph Targets' );
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folder.add( params, 'influence1', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
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mesh.morphTargetInfluences[ 0 ] = value;
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} );
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folder.add( params, 'influence2', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
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mesh.morphTargetInfluences[ 1 ] = value;
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} );
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folder.add( params, 'influence3', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
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mesh.morphTargetInfluences[ 2 ] = value;
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} );
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folder.add( params, 'influence4', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
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mesh.morphTargetInfluences[ 3 ] = value;
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} );
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folder.add( params, 'influence5', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
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mesh.morphTargetInfluences[ 4 ] = value;
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} );
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folder.add( params, 'influence6', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
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mesh.morphTargetInfluences[ 5 ] = value;
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} );
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folder.add( params, 'influence7', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
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mesh.morphTargetInfluences[ 6 ] = value;
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} );
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folder.add( params, 'influence8', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
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mesh.morphTargetInfluences[ 7 ] = value;
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} );
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folder.open();
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//
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raycaster = new THREE.Raycaster();
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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//
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var controls = new THREE.OrbitControls( camera, renderer.domElement );
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controls.minDistance = 400;
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controls.maxDistance = 1000;
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//
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window.addEventListener( 'resize', onWindowResize, false );
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document.addEventListener( 'click', onClick, false );
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}
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function onClick( event ) {
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event.preventDefault();
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mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
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mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
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raycaster.setFromCamera( mouse, camera );
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var intersects = raycaster.intersectObject( mesh );
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if ( intersects.length > 0 ) {
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mesh.material.color.set( Math.random() * 0xffffff );
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}
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}
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function onWindowResize() {
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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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}
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function animate() {
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requestAnimationFrame( animate );
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render();
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}
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function render() {
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mesh.rotation.y += 0.01;
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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