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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 - trackball controls</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: #ccc;
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+ color: #000;
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+ }
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+ a {
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+ color: #f00;
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+ }
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+ </style>
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+ </head>
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+
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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> - orthographic trackball controls<br />
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+ MOVE mouse & press LEFT: rotate, MIDDLE: zoom, RIGHT: pan
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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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+
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+ import { OrthographicTrackballControls } from './jsm/controls/OrthographicTrackballControls.js';
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+
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+ var camera, controls, scene, renderer, stats;
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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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+ camera = new THREE.OrthographicCamera( window.innerWidth / - 2, window.innerWidth / 2, window.innerHeight / 2, window.innerHeight / - 2, 1, 2000 );
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+ // camera = new THREE.OrthographicCamera( 0.5 * frustumSize * aspect / - 2, 0.5 * frustumSize * aspect / 2, frustumSize / 2, frustumSize / - 2, 1, 2000 );
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+ camera.position.z = 1000;
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+
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+ // world
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+
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+ scene = new THREE.Scene();
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+ scene.background = new THREE.Color( 0xcccccc );
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+ scene.fog = new THREE.FogExp2( 0xcccccc, 0.001 );
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+
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+ var geometry = new THREE.CylinderBufferGeometry( 0, 10, 30, 4, 1 );
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+ var material = new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true } );
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+
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+ for ( var i = 0; i < 500; i ++ ) {
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+
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+ var mesh = new THREE.Mesh( geometry, material );
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+ mesh.position.x = ( Math.random() - 0.5 ) * 1000;
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+ mesh.position.y = ( Math.random() - 0.5 ) * 1000;
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+ mesh.position.z = ( Math.random() - 0.5 ) * 1000;
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+ mesh.updateMatrix();
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+ mesh.matrixAutoUpdate = false;
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+ scene.add( mesh );
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+
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+ }
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+
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+
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+ // lights
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+
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+ var light = new THREE.DirectionalLight( 0xffffff );
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+ light.position.set( 1, 1, 1 );
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+ scene.add( light );
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+
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+ var light = new THREE.DirectionalLight( 0x002288 );
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+ light.position.set( - 1, - 1, - 1 );
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+ scene.add( light );
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+
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+ var light = new THREE.AmbientLight( 0x222222 );
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+ scene.add( light );
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+
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+
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+ // renderer
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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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+ document.body.appendChild( renderer.domElement );
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+
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+ controls = new OrthographicTrackballControls( camera, renderer.domElement );
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+
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+ controls.rotateSpeed = 1.0;
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+ controls.zoomSpeed = 1.2;
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+ controls.panSpeed = 0.8;
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+
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+ controls.noZoom = false;
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+ controls.noPan = false;
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+
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+ controls.staticMoving = true;
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+ controls.dynamicDampingFactor = 0.3;
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+
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+ controls.keys = [ 65, 83, 68 ];
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+
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+ controls.addEventListener( 'change', render );
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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, false );
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+ //
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+
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+ render();
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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.left = window.innerWidth / - 2;
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+ camera.right = window.innerWidth / 2;
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+ camera.top = window.innerHeight / 2;
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+ camera.bottom = window.innerHeight / - 2;
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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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+ controls.handleResize();
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+
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+ render();
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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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+
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+ controls.update();
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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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+ function render() {
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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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+
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+ </script>
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+
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+ </body>
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+</html>
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Mugen87