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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - svg loader</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: #b0b0b0;
- }
- </style>
- </head>
- <body>
- <div id="container"></div>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - SVGLoader
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- import { SVGLoader } from 'three/addons/loaders/SVGLoader.js';
- let renderer, scene, camera, gui, guiData;
- init();
- //
- function init() {
- const container = document.getElementById( 'container' );
- //
- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 1000 );
- camera.position.set( 0, 0, 200 );
- //
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- container.appendChild( renderer.domElement );
- //
- const controls = new OrbitControls( camera, renderer.domElement );
- controls.addEventListener( 'change', render );
- controls.screenSpacePanning = true;
- //
- window.addEventListener( 'resize', onWindowResize );
- guiData = {
- currentURL: 'models/svg/tiger.svg',
- drawFillShapes: true,
- drawStrokes: true,
- fillShapesWireframe: false,
- strokesWireframe: false
- };
- loadSVG( guiData.currentURL );
- createGUI();
- }
- function createGUI() {
- if ( gui ) gui.destroy();
- gui = new GUI();
- gui.add( guiData, 'currentURL', {
- 'Tiger': 'models/svg/tiger.svg',
- 'Joins and caps': 'models/svg/lineJoinsAndCaps.svg',
- 'Hexagon': 'models/svg/hexagon.svg',
- 'Energy': 'models/svg/energy.svg',
- 'Test 1': 'models/svg/tests/1.svg',
- 'Test 2': 'models/svg/tests/2.svg',
- 'Test 3': 'models/svg/tests/3.svg',
- 'Test 4': 'models/svg/tests/4.svg',
- 'Test 5': 'models/svg/tests/5.svg',
- 'Test 6': 'models/svg/tests/6.svg',
- 'Test 7': 'models/svg/tests/7.svg',
- 'Test 8': 'models/svg/tests/8.svg',
- 'Test 9': 'models/svg/tests/9.svg',
- 'Units': 'models/svg/tests/units.svg',
- 'Ordering': 'models/svg/tests/ordering.svg',
- 'Defs': 'models/svg/tests/testDefs/Svg-defs.svg',
- 'Defs2': 'models/svg/tests/testDefs/Svg-defs2.svg',
- 'Defs3': 'models/svg/tests/testDefs/Wave-defs.svg',
- 'Defs4': 'models/svg/tests/testDefs/defs4.svg',
- 'Defs5': 'models/svg/tests/testDefs/defs5.svg',
- 'Style CSS inside defs': 'models/svg/style-css-inside-defs.svg',
- 'Multiple CSS classes': 'models/svg/multiple-css-classes.svg',
- 'Zero Radius': 'models/svg/zero-radius.svg',
- 'Styles in svg tag': 'models/svg/tests/styles.svg',
- 'Round join': 'models/svg/tests/roundJoinPrecisionIssue.svg',
- 'Ellipse Transformations': 'models/svg/tests/ellipseTransform.svg',
- 'singlePointTest': 'models/svg/singlePointTest.svg',
- 'singlePointTest2': 'models/svg/singlePointTest2.svg',
- 'singlePointTest3': 'models/svg/singlePointTest3.svg',
- 'emptyPath': 'models/svg/emptyPath.svg',
- } ).name( 'SVG File' ).onChange( update );
- gui.add( guiData, 'drawStrokes' ).name( 'Draw strokes' ).onChange( update );
- gui.add( guiData, 'drawFillShapes' ).name( 'Draw fill shapes' ).onChange( update );
- gui.add( guiData, 'strokesWireframe' ).name( 'Wireframe strokes' ).onChange( update );
- gui.add( guiData, 'fillShapesWireframe' ).name( 'Wireframe fill shapes' ).onChange( update );
- function update() {
- loadSVG( guiData.currentURL );
- }
- }
- function loadSVG( url ) {
- //
- scene = new THREE.Scene();
- scene.background = new THREE.Color( 0xb0b0b0 );
- //
- const helper = new THREE.GridHelper( 160, 10, 0x8d8d8d, 0xc1c1c1 );
- helper.rotation.x = Math.PI / 2;
- scene.add( helper );
- //
- const loader = new SVGLoader();
- loader.load( url, function ( data ) {
- const group = new THREE.Group();
- group.scale.multiplyScalar( 0.25 );
- group.position.x = - 70;
- group.position.y = 70;
- group.scale.y *= - 1;
- let renderOrder = 0;
- for ( const path of data.paths ) {
- const fillColor = path.userData.style.fill;
- if ( guiData.drawFillShapes && fillColor !== undefined && fillColor !== 'none' ) {
- const material = new THREE.MeshBasicMaterial( {
- color: new THREE.Color().setStyle( fillColor ),
- opacity: path.userData.style.fillOpacity,
- transparent: true,
- side: THREE.DoubleSide,
- depthWrite: false,
- wireframe: guiData.fillShapesWireframe
- } );
- const shapes = SVGLoader.createShapes( path );
- for ( const shape of shapes ) {
- const geometry = new THREE.ShapeGeometry( shape );
- const mesh = new THREE.Mesh( geometry, material );
- mesh.renderOrder = renderOrder ++;
- group.add( mesh );
- }
- }
- const strokeColor = path.userData.style.stroke;
- if ( guiData.drawStrokes && strokeColor !== undefined && strokeColor !== 'none' ) {
- const material = new THREE.MeshBasicMaterial( {
- color: new THREE.Color().setStyle( strokeColor ),
- opacity: path.userData.style.strokeOpacity,
- transparent: true,
- side: THREE.DoubleSide,
- depthWrite: false,
- wireframe: guiData.strokesWireframe
- } );
- for ( const subPath of path.subPaths ) {
- const geometry = SVGLoader.pointsToStroke( subPath.getPoints(), path.userData.style );
- if ( geometry ) {
- const mesh = new THREE.Mesh( geometry, material );
- mesh.renderOrder = renderOrder ++;
- group.add( mesh );
- }
- }
- }
- }
- scene.add( group );
- render();
- } );
- }
- 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>
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