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webgl_loader_svg.html
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webgl_loader_svg.html
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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>