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261 lines
6.6 KiB
261 lines
6.6 KiB
2 years ago
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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 - svg loader</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: #b0b0b0;
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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="container"></div>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - SVGLoader
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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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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<script type="module">
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import * as THREE from 'three';
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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 { SVGLoader } from 'three/addons/loaders/SVGLoader.js';
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let renderer, scene, camera, gui, guiData;
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init();
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//
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function init() {
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const container = document.getElementById( 'container' );
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//
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.set( 0, 0, 200 );
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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.outputEncoding = THREE.sRGBEncoding;
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container.appendChild( renderer.domElement );
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//
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.addEventListener( 'change', render );
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controls.screenSpacePanning = true;
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//
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window.addEventListener( 'resize', onWindowResize );
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guiData = {
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currentURL: 'models/svg/tiger.svg',
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drawFillShapes: true,
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drawStrokes: true,
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fillShapesWireframe: false,
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strokesWireframe: false
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};
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loadSVG( guiData.currentURL );
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createGUI();
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}
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function createGUI() {
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if ( gui ) gui.destroy();
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gui = new GUI();
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gui.add( guiData, 'currentURL', {
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'Tiger': 'models/svg/tiger.svg',
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'Three.js': 'models/svg/threejs.svg',
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'Joins and caps': 'models/svg/lineJoinsAndCaps.svg',
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'Hexagon': 'models/svg/hexagon.svg',
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'Energy': 'models/svg/energy.svg',
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'Test 1': 'models/svg/tests/1.svg',
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'Test 2': 'models/svg/tests/2.svg',
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'Test 3': 'models/svg/tests/3.svg',
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'Test 4': 'models/svg/tests/4.svg',
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'Test 5': 'models/svg/tests/5.svg',
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'Test 6': 'models/svg/tests/6.svg',
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'Test 7': 'models/svg/tests/7.svg',
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'Test 8': 'models/svg/tests/8.svg',
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'Test 9': 'models/svg/tests/9.svg',
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'Units': 'models/svg/tests/units.svg',
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'Ordering': 'models/svg/tests/ordering.svg',
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'Defs': 'models/svg/tests/testDefs/Svg-defs.svg',
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'Defs2': 'models/svg/tests/testDefs/Svg-defs2.svg',
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'Defs3': 'models/svg/tests/testDefs/Wave-defs.svg',
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'Defs4': 'models/svg/tests/testDefs/defs4.svg',
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'Defs5': 'models/svg/tests/testDefs/defs5.svg',
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'Style CSS inside defs': 'models/svg/style-css-inside-defs.svg',
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'Multiple CSS classes': 'models/svg/multiple-css-classes.svg',
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'Zero Radius': 'models/svg/zero-radius.svg',
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'Styles in svg tag': 'models/svg/tests/styles.svg',
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'Round join': 'models/svg/tests/roundJoinPrecisionIssue.svg',
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'Ellipse Transformations': 'models/svg/tests/ellipseTransform.svg',
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} ).name( 'SVG File' ).onChange( update );
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gui.add( guiData, 'drawStrokes' ).name( 'Draw strokes' ).onChange( update );
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gui.add( guiData, 'drawFillShapes' ).name( 'Draw fill shapes' ).onChange( update );
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gui.add( guiData, 'strokesWireframe' ).name( 'Wireframe strokes' ).onChange( update );
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gui.add( guiData, 'fillShapesWireframe' ).name( 'Wireframe fill shapes' ).onChange( update );
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function update() {
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loadSVG( guiData.currentURL );
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}
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}
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function loadSVG( url ) {
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//
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0xb0b0b0 );
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//
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const helper = new THREE.GridHelper( 160, 10 );
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helper.rotation.x = Math.PI / 2;
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scene.add( helper );
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//
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const loader = new SVGLoader();
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loader.load( url, function ( data ) {
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const paths = data.paths;
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const group = new THREE.Group();
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group.scale.multiplyScalar( 0.25 );
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group.position.x = - 70;
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group.position.y = 70;
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group.scale.y *= - 1;
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for ( let i = 0; i < paths.length; i ++ ) {
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const path = paths[ i ];
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const fillColor = path.userData.style.fill;
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if ( guiData.drawFillShapes && fillColor !== undefined && fillColor !== 'none' ) {
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const material = new THREE.MeshBasicMaterial( {
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color: new THREE.Color().setStyle( fillColor ).convertSRGBToLinear(),
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opacity: path.userData.style.fillOpacity,
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transparent: true,
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side: THREE.DoubleSide,
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depthWrite: false,
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wireframe: guiData.fillShapesWireframe
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} );
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const shapes = SVGLoader.createShapes( path );
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for ( let j = 0; j < shapes.length; j ++ ) {
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const shape = shapes[ j ];
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const geometry = new THREE.ShapeGeometry( shape );
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const mesh = new THREE.Mesh( geometry, material );
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group.add( mesh );
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}
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}
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const strokeColor = path.userData.style.stroke;
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if ( guiData.drawStrokes && strokeColor !== undefined && strokeColor !== 'none' ) {
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const material = new THREE.MeshBasicMaterial( {
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color: new THREE.Color().setStyle( strokeColor ).convertSRGBToLinear(),
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opacity: path.userData.style.strokeOpacity,
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transparent: true,
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side: THREE.DoubleSide,
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depthWrite: false,
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wireframe: guiData.strokesWireframe
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} );
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for ( let j = 0, jl = path.subPaths.length; j < jl; j ++ ) {
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const subPath = path.subPaths[ j ];
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const geometry = SVGLoader.pointsToStroke( subPath.getPoints(), path.userData.style );
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if ( geometry ) {
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const mesh = new THREE.Mesh( geometry, material );
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group.add( mesh );
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}
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}
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}
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}
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scene.add( group );
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render();
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} );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function render() {
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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