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@@ -1,195 +0,0 @@
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-<!DOCTYPE html>
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-<html lang="en">
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-<head>
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- <title>three.js webgl - instancing - morph targets - raycast </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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- <link type="text/css" rel="stylesheet" href="main.css">
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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 instancing morphTarget raycast
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- example
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-</div>
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-
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-<script type="module">
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-
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- import * as THREE from '../build/three.module.js';
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-
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- import Stats from './jsm/libs/stats.module.js';
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- import {OrbitControls} from './jsm/controls/OrbitControls.js';
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-
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- var container;
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-
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- var camera, scene, renderer, raycaster, controls, stats;
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-
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- var mesh, mouse = new THREE.Vector2();
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-
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- var object = new THREE.Object3D();
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-
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- var amount = parseInt( window.location.search.substr( 1 ) ) || 10;
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-
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- var count = Math.pow( amount, 3 );
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-
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- var rotationTheta = 0.1;
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- var rotationMatrix = new THREE.Matrix4().makeRotationY( rotationTheta );
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- var instanceMatrix = new THREE.Matrix4();
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- var matrix = new THREE.Matrix4();
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-
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- init();
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- animate();
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-
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- function init() {
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-
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- container = document.getElementById( 'container' );
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-
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- scene = new THREE.Scene();
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- scene.background = new THREE.Color( 0x000000 );
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-
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- camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
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- camera.position.set( 25, 25, 25 );
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- camera.lookAt( new THREE.Vector3( 0, 0, 0 ) );
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- scene.add( camera );
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-
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- var light = new THREE.AmbientLight( 0xffffff );
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- scene.add( light );
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-
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- var geometry = new THREE.BoxGeometry( 0.5, 0.5, 0.5 );
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- var material = new THREE.MeshNormalMaterial( { morphTargets: true } );
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-
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- // construct 8 blend shapes
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-
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- for ( var i = 0; i < 8; i ++ ) {
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-
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- var vertices = [];
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-
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- for ( var v = 0; v < geometry.vertices.length; v ++ ) {
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-
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- vertices.push( geometry.vertices[ v ].clone() );
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-
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- if ( v === i ) {
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-
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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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-
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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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- }
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-
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- geometry = new THREE.BufferGeometry().fromGeometry( geometry );
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-
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- mesh = new THREE.InstancedMesh( geometry, material, count );
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-
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- mesh.position.set( 0, 0, 0 );
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-
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- var i = 0;
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- var offset = amount / 2;
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-
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- for ( var x = 0; x < amount; x ++ ) {
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-
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- for ( var y = 0; y < amount; y ++ ) {
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-
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- for ( var z = 0; z < amount; z ++ ) {
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-
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- object.position.set( ( offset - x ) * 2, ( offset - y ) * 2, ( offset - z ) * 2 );
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-
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- object.updateMatrix();
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-
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- mesh.setMatrixAt( i ++, object.matrix );
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-
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- }
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-
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- }
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-
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- }
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-
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- scene.add( mesh );
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-
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- raycaster = new THREE.Raycaster();
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-
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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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- container.appendChild( renderer.domElement );
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-
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- controls = new OrbitControls( camera, renderer.domElement );
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-
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- stats = new Stats();
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- document.body.appendChild( stats.dom );
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-
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- window.addEventListener( 'resize', onWindowResize, false );
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-
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- document.addEventListener( 'mousemove', onMouseMove, false );
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-
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- }
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-
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- function onMouseMove( event ) {
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-
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- event.preventDefault();
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-
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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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-
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- }
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-
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- function onWindowResize() {
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-
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- camera.aspect = window.innerWidth / window.innerHeight;
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- camera.updateProjectionMatrix();
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-
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- renderer.setSize( window.innerWidth, window.innerHeight );
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-
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- }
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-
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- function animate() {
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-
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- requestAnimationFrame( animate );
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- render();
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-
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- }
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-
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- function updateMorphTargetInfluences() {
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-
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- for ( var i = 0; i < mesh.morphTargetInfluences.length; i ++ ) {
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-
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- mesh.morphTargetInfluences[ i ] = Math.sin( Date.now() * 0.001 ) + 0.5;
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-
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- }
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-
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- }
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-
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- function render() {
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-
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- updateMorphTargetInfluences();
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-
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- raycaster.setFromCamera( mouse, camera );
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-
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- var intersects = raycaster.intersectObject( mesh );
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-
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- if ( intersects.length > 0 ) {
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-
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- mesh.getMatrixAt( intersects[ 0 ].instanceId, instanceMatrix );
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- matrix.multiplyMatrices( instanceMatrix, rotationMatrix );
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-
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- mesh.setMatrixAt( intersects[ 0 ].instanceId, matrix );
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- mesh.instanceMatrix.needsUpdate = true;
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-
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- }
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-
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- renderer.render( scene, camera );
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-
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- stats.update();
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-
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- }
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-
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-
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-</script>
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-
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-</body>
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-</html>
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webglzhang