mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-24 12:03:48 +01:00
194 lines
4.2 KiB
HTML
194 lines
4.2 KiB
HTML
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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 - geometry - extrude shapes</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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<style>
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body {
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font-family: Monospace;
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background-color: #222;
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margin: 0px;
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overflow: hidden;
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}
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a {
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color: #f80;
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}
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</style>
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</head>
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<body>
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<script src="../build/three.min.js"></script>
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<script src="js/controls/TrackballControls.js"></script>
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<script>
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var container;
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var camera, scene, renderer, controls;
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init();
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animate();
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function init() {
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var info = document.createElement( 'div' );
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info.style.position = 'absolute';
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info.style.top = '10px';
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info.style.width = '100%';
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info.style.textAlign = 'center';
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info.style.color = '#fff';
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info.style.link = '#f80';
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info.innerHTML = '<a href="http://threejs.org" target="_blank">three.js</a> webgl - geometry extrude shapes';
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document.body.appendChild( info );
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renderer = new THREE.WebGLRenderer();
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renderer.setClearColor( 0x222222 );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.set( 0, 0, 500 );
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controls = new THREE.TrackballControls( camera, renderer.domElement );
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controls.minDistance = 200;
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controls.maxDistance = 500;
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scene.add( new THREE.AmbientLight( 0x222222 ) );
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var light = new THREE.PointLight( 0xffffff );
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light.position.copy( camera.position );
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scene.add( light );
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//
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var closedSpline = new THREE.ClosedSplineCurve3( [
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new THREE.Vector3( -60, -100, 60 ),
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new THREE.Vector3( -60, 20, 60 ),
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new THREE.Vector3( -60, 120, 60 ),
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new THREE.Vector3( 60, 20, -60 ),
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new THREE.Vector3( 60, -100, -60 )
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] );
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var extrudeSettings = {
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steps : 100,
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bevelEnabled : false,
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extrudePath : closedSpline
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};
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var pts = [], count = 3;
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for ( var i = 0; i < count; i ++ ) {
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var l = 20;
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var a = 2 * i / count * Math.PI;
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pts.push( new THREE.Vector2 ( Math.cos( a ) * l, Math.sin( a ) * l ) );
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}
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var shape = new THREE.Shape( pts );
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var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings );
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var material = new THREE.MeshLambertMaterial( { color: 0xb00000, wireframe: false } );
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var mesh = new THREE.Mesh( geometry, material );
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scene.add( mesh );
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//
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var randomPoints = [];
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for ( var i = 0; i < 10; i ++ ) {
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randomPoints.push( new THREE.Vector3( ( i - 4.5 ) * 50, THREE.Math.randFloat( - 50, 50 ), THREE.Math.randFloat( - 50, 50 ) ) );
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}
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var randomSpline = new THREE.SplineCurve3( randomPoints );
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//
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var extrudeSettings = {
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steps : 200,
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bevelEnabled : false,
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extrudePath : randomSpline
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};
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var pts = [], numPts = 5;
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for ( var i = 0; i < numPts * 2; i ++ ) {
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var l = i % 2 == 1 ? 10 : 20;
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var a = i / numPts * Math.PI;
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pts.push( new THREE.Vector2 ( Math.cos( a ) * l, Math.sin( a ) * l ) );
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}
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var shape = new THREE.Shape( pts );
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var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings );
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var material2 = new THREE.MeshLambertMaterial( { color: 0xff8000, wireframe: false } );
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var mesh = new THREE.Mesh( geometry, material2 );
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scene.add( mesh );
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//
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var materials = [ material, material2 ];
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var extrudeSettings = {
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amount : 20,
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steps : 1,
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material : 1,
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extrudeMaterial : 0,
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bevelEnabled : true,
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bevelThickness : 2,
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bevelSize : 4,
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bevelSegments : 1,
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};
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var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings );
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var mesh = new THREE.Mesh( geometry, new THREE.MeshFaceMaterial( materials ) );
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mesh.position.set( 50, 100, 50 );
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scene.add( mesh );
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}
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function animate() {
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requestAnimationFrame( animate );
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controls.update();
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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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