You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

135 lines
2.9 KiB

<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js svg - lines</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>
svg {
display: block;
}
</style>
</head>
<body>
<div id="info">
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> svg - lines
</div>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"three": "../build/three.module.js",
"three/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import { SVGRenderer } from 'three/addons/renderers/SVGRenderer.js';
let camera, scene, renderer;
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera( 33, window.innerWidth / window.innerHeight, 0.1, 100 );
camera.position.z = 10;
scene = new THREE.Scene();
scene.background = new THREE.Color( 0, 0, 0 );
renderer = new SVGRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
//
const vertices = [];
const divisions = 50;
for ( let i = 0; i <= divisions; i ++ ) {
const v = ( i / divisions ) * ( Math.PI * 2 );
const x = Math.sin( v );
const z = Math.cos( v );
vertices.push( x, 0, z );
}
const geometry = new THREE.BufferGeometry();
geometry.setAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );
//
for ( let i = 1; i <= 3; i ++ ) {
const material = new THREE.LineBasicMaterial( {
color: Math.random() * 0xffffff,
linewidth: 10
} );
const line = new THREE.Line( geometry, material );
line.scale.setScalar( i / 3 );
scene.add( line );
}
const material = new THREE.LineDashedMaterial( {
color: 'blue',
linewidth: 1,
dashSize: 10,
gapSize: 10
} );
const line = new THREE.Line( geometry, material );
line.scale.setScalar( 2 );
scene.add( line );
//
window.addEventListener( 'resize', onWindowResize );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
let count = 0;
const time = performance.now() / 1000;
scene.traverse( function ( child ) {
child.rotation.x = count + ( time / 3 );
child.rotation.z = count + ( time / 4 );
count ++;
} );
renderer.render( scene, camera );
requestAnimationFrame( animate );
}
</script>
</body>
</html>