123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170 |
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - simple text from json</title>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
- <link type="text/css" rel="stylesheet" href="main.css">
- <style>
- body {
- background-color: #f0f0f0;
- color: #444;
- }
- a {
- color: #08f;
- }
- </style>
- </head>
- <body>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - simple text from json fonts
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- import { SVGLoader } from 'three/addons/loaders/SVGLoader.js';
- import { FontLoader } from 'three/addons/loaders/FontLoader.js';
- let camera, scene, renderer;
- init();
- function init( ) {
- camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 10000 );
- camera.position.set( 0, - 400, 600 );
- scene = new THREE.Scene();
- scene.background = new THREE.Color( 0xf0f0f0 );
- const loader = new FontLoader();
- loader.load( 'fonts/helvetiker_regular.typeface.json', function ( font ) {
- const color = new THREE.Color( 0x006699 );
- const matDark = new THREE.MeshBasicMaterial( {
- color: color,
- side: THREE.DoubleSide
- } );
- const matLite = new THREE.MeshBasicMaterial( {
- color: color,
- transparent: true,
- opacity: 0.4,
- side: THREE.DoubleSide
- } );
- const message = ' Three.js\nStroke text.';
- const shapes = font.generateShapes( message, 100 );
- const geometry = new THREE.ShapeGeometry( shapes );
- geometry.computeBoundingBox();
- const xMid = - 0.5 * ( geometry.boundingBox.max.x - geometry.boundingBox.min.x );
- geometry.translate( xMid, 0, 0 );
- // make shape ( N.B. edge view not visible )
- const text = new THREE.Mesh( geometry, matLite );
- text.position.z = - 150;
- scene.add( text );
- // make line shape ( N.B. edge view remains visible )
- const holeShapes = [];
- for ( let i = 0; i < shapes.length; i ++ ) {
- const shape = shapes[ i ];
- if ( shape.holes && shape.holes.length > 0 ) {
- for ( let j = 0; j < shape.holes.length; j ++ ) {
- const hole = shape.holes[ j ];
- holeShapes.push( hole );
- }
- }
- }
- shapes.push.apply( shapes, holeShapes );
- const style = SVGLoader.getStrokeStyle( 5, color.getStyle() );
- const strokeText = new THREE.Group();
- for ( let i = 0; i < shapes.length; i ++ ) {
- const shape = shapes[ i ];
- const points = shape.getPoints();
- const geometry = SVGLoader.pointsToStroke( points, style );
- geometry.translate( xMid, 0, 0 );
- const strokeMesh = new THREE.Mesh( geometry, matDark );
- strokeText.add( strokeMesh );
- }
- scene.add( strokeText );
- render();
- } ); //end load function
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- document.body.appendChild( renderer.domElement );
- const controls = new OrbitControls( camera, renderer.domElement );
- controls.target.set( 0, 0, 0 );
- controls.update();
- controls.addEventListener( 'change', render );
- window.addEventListener( 'resize', onWindowResize );
- } // end init
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- render();
- }
- function render() {
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
|