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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 webgpu - lines - fat - wireframe</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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+
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+ <body>
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+
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+ <div id="container"></div>
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+
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+ <div id="info"><a href="https://threejs.org" target="_blank">three.js</a> - fat lines</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.webgpu.js",
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+ "three/tsl": "../build/three.webgpu.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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+ import { color } from 'three/tsl';
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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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+ import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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+ import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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+ import { Wireframe } from 'three/addons/lines/webgpu/Wireframe.js';
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+ import { WireframeGeometry2 } from 'three/addons/lines/WireframeGeometry2.js';
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+
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+ let wireframe, renderer, scene, camera, camera2, controls, backgroundNode;
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+ let wireframe1;
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+ let matLine, matLineBasic, matLineDashed;
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+ let stats;
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+ let gui;
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+
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+ // viewport
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+ let insetWidth;
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+ let insetHeight;
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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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+ renderer = new THREE.WebGPURenderer( { 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.setClearColor( 0x000000, 0.0 );
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+ renderer.setAnimationLoop( animate );
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+ document.body.appendChild( renderer.domElement );
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+
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+ scene = new THREE.Scene();
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+
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+ camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
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+ camera.position.set( - 50, 0, 50 );
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+
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+ camera2 = new THREE.PerspectiveCamera( 40, 1, 1, 1000 );
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+ camera2.position.copy( camera.position );
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+
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+ controls = new OrbitControls( camera, renderer.domElement );
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+ controls.minDistance = 10;
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+ controls.maxDistance = 500;
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+
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+ backgroundNode = color( 0x222222 );
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+
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+ // Wireframe ( WireframeGeometry2, Line2NodeMaterial )
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+
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+ let geo = new THREE.IcosahedronGeometry( 20, 1 );
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+
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+ const geometry = new WireframeGeometry2( geo );
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+
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+ matLine = new THREE.Line2NodeMaterial( {
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+
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+ color: 0x4080ff,
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+ linewidth: 5, // in world units with size attenuation, pixels otherwise
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+ dashed: false
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+
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+ } );
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+
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+ wireframe = new Wireframe( geometry, matLine );
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+ wireframe.computeLineDistances();
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+ wireframe.scale.set( 1, 1, 1 );
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+ scene.add( wireframe );
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+
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+ // Line ( THREE.WireframeGeometry, THREE.LineBasicMaterial ) - rendered with gl.LINE
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+
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+ geo = new THREE.WireframeGeometry( geo );
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+
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+ matLineBasic = new THREE.LineBasicMaterial( { color: 0x4080ff } );
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+ matLineDashed = new THREE.LineDashedMaterial( { scale: 2, dashSize: 1, gapSize: 1 } );
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+
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+ wireframe1 = new THREE.LineSegments( geo, matLineBasic );
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+ wireframe1.computeLineDistances();
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+ wireframe1.visible = false;
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+ scene.add( wireframe1 );
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+
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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize );
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+ onWindowResize();
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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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+ initGui();
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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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+ insetWidth = window.innerHeight / 4; // square
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+ insetHeight = window.innerHeight / 4;
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+
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+ camera2.aspect = insetWidth / insetHeight;
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+ camera2.updateProjectionMatrix();
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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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+ // main scene
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+
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+ renderer.setClearColor( 0x000000, 0 );
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+
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+ renderer.setViewport( 0, 0, window.innerWidth, window.innerHeight );
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+
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+ renderer.autoClear = true;
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+
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+ scene.backgroundNode = null;
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+ renderer.render( scene, camera );
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+
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+ // inset scene
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+
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+ const posY = window.innerHeight - insetHeight - 20;
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+
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+ renderer.clearDepth(); // important!
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+
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+ renderer.setScissorTest( true );
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+
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+ renderer.setScissor( 20, posY, insetWidth, insetHeight );
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+
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+ renderer.setViewport( 20, posY, insetWidth, insetHeight );
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+
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+ camera2.position.copy( camera.position );
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+ camera2.quaternion.copy( camera.quaternion );
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+
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+ renderer.autoClear = false;
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+
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+ scene.backgroundNode = backgroundNode;
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+ renderer.render( scene, camera2 );
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+
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+ renderer.setScissorTest( false );
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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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+
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+ function initGui() {
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+
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+ gui = new GUI();
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+
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+ const param = {
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+ 'line type': 0,
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+ 'width (px)': 5,
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+ 'dashed': false,
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+ 'dash scale': 1,
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+ 'dash / gap': 1
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+ };
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+
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+
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+ gui.add( param, 'line type', { 'LineGeometry': 0, 'gl.LINE': 1 } ).onChange( function ( val ) {
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+
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+ switch ( val ) {
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+
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+ case 0:
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+ wireframe.visible = true;
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+
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+ wireframe1.visible = false;
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+
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+ break;
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+
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+ case 1:
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+ wireframe.visible = false;
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+
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+ wireframe1.visible = true;
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+
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+ break;
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+
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+ }
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+
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+ } );
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+
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+ gui.add( param, 'width (px)', 1, 10 ).onChange( function ( val ) {
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+
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+ matLine.linewidth = val;
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+
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+ } );
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+
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+ gui.add( param, 'dashed' ).onChange( function ( val ) {
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+
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+ matLine.dashed = val;
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+ wireframe1.material = val ? matLineDashed : matLineBasic;
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+
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+ } );
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+
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+ gui.add( param, 'dash scale', 0.5, 1, 0.1 ).onChange( function ( val ) {
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+
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+ matLine.dashScale = val;
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+ matLineDashed.scale = val;
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+
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+ } );
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+
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+ gui.add( param, 'dash / gap', { '2 : 1': 0, '1 : 1': 1, '1 : 2': 2 } ).onChange( function ( val ) {
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+
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+ switch ( val ) {
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+
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+ case 0:
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+ matLine.dashSize = 2;
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+ matLine.gapSize = 1;
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+
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+ matLineDashed.dashSize = 2;
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+ matLineDashed.gapSize = 1;
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+
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+ break;
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+
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+ case 1:
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+ matLine.dashSize = 1;
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+ matLine.gapSize = 1;
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+
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+ matLineDashed.dashSize = 1;
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+ matLineDashed.gapSize = 1;
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+
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+ break;
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+
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+ case 2:
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+ matLine.dashSize = 1;
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+ matLine.gapSize = 2;
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+
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+ matLineDashed.dashSize = 1;
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+ matLineDashed.gapSize = 2;
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+
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+ break;
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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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+ </script>
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+
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+ </body>
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+
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+</html>
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Michael Herzog
