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@@ -1,145 +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 misc - lookAt</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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- <style>
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- body {
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- background-color: #fff;
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- color: #444;
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- }
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-
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- a {
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- color: #08b;
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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"><a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - Object3D.lookAt() example</div>
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-
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- <script type="importmap">
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- {
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- "imports": {
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- "three": "../build/three.module.js",
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- "three/addons/": "./jsm/"
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- }
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- }
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- </script>
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-
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- <script type="module">
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-
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- import * as THREE from 'three';
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-
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- import Stats from 'three/addons/libs/stats.module.js';
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-
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- let camera, scene, renderer, stats;
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-
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- let sphere;
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-
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- let mouseX = 0, mouseY = 0;
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-
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- let windowHalfX = window.innerWidth / 2;
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- let windowHalfY = window.innerHeight / 2;
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-
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- document.addEventListener( 'mousemove', onDocumentMouseMove );
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-
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- init();
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-
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- function init() {
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-
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- camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 15000 );
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- camera.position.z = 3200;
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-
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- scene = new THREE.Scene();
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- scene.background = new THREE.Color( 0xffffff );
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-
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- sphere = new THREE.Mesh( new THREE.SphereGeometry( 100, 20, 20 ), new THREE.MeshNormalMaterial() );
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- scene.add( sphere );
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-
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- const geometry = new THREE.CylinderGeometry( 0, 10, 100, 12 );
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- geometry.rotateX( Math.PI / 2 );
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-
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- const material = new THREE.MeshNormalMaterial();
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-
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- for ( let i = 0; i < 1000; i ++ ) {
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-
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- const mesh = new THREE.Mesh( geometry, material );
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- mesh.position.x = Math.random() * 4000 - 2000;
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- mesh.position.y = Math.random() * 4000 - 2000;
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- mesh.position.z = Math.random() * 4000 - 2000;
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- mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 4 + 2;
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- scene.add( mesh );
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-
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- }
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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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- renderer.setAnimationLoop( animate );
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- document.body.appendChild( 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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- //
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-
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- window.addEventListener( 'resize', onWindowResize );
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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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- windowHalfX = window.innerWidth / 2;
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- windowHalfY = window.innerHeight / 2;
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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 onDocumentMouseMove( event ) {
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-
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- mouseX = ( event.clientX - windowHalfX ) * 10;
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- mouseY = ( event.clientY - windowHalfY ) * 10;
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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 animate() {
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-
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- render();
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- stats.update();
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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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- const time = Date.now() * 0.0005;
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-
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- sphere.position.x = Math.sin( time * 0.7 ) * 2000;
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- sphere.position.y = Math.cos( time * 0.5 ) * 2000;
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- sphere.position.z = Math.cos( time * 0.3 ) * 2000;
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-
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- for ( let i = 1, l = scene.children.length; i < l; i ++ ) {
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-
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- scene.children[ i ].lookAt( sphere.position );
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-
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- }
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-
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- camera.position.x += ( mouseX - camera.position.x ) * .05;
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- camera.position.y += ( - mouseY - camera.position.y ) * .05;
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- camera.lookAt( scene.position );
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-
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- renderer.render( scene, camera );
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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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Michael Herzog
