<!DOCTYPE html> <html lang="en"> <head> <title>three.js webgl - geometry - extrude shapes</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0"> <style> body { font-family: Monospace; background-color: #222; margin: 0px; overflow: hidden; } a { color: #f80; } </style> </head> <body> <script src="../build/three.min.js"></script> <script src="js/controls/TrackballControls.js"></script> <script> var container; var camera, scene, renderer, controls; init(); animate(); function init() { var info = document.createElement( 'div' ); info.style.position = 'absolute'; info.style.top = '10px'; info.style.width = '100%'; info.style.textAlign = 'center'; info.style.color = '#fff'; info.style.link = '#f80'; info.innerHTML = '<a href="http://threejs.org" target="_blank">three.js</a> webgl - geometry extrude shapes'; document.body.appendChild( info ); renderer = new THREE.WebGLRenderer(); renderer.setClearColor( 0x222222 ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); document.body.appendChild( renderer.domElement ); scene = new THREE.Scene(); camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 ); camera.position.set( 0, 0, 500 ); controls = new THREE.TrackballControls( camera, renderer.domElement ); controls.minDistance = 200; controls.maxDistance = 500; scene.add( new THREE.AmbientLight( 0x222222 ) ); var light = new THREE.PointLight( 0xffffff ); light.position.copy( camera.position ); scene.add( light ); // var closedSpline = new THREE.ClosedSplineCurve3( [ new THREE.Vector3( -60, -100, 60 ), new THREE.Vector3( -60, 20, 60 ), new THREE.Vector3( -60, 120, 60 ), new THREE.Vector3( 60, 20, -60 ), new THREE.Vector3( 60, -100, -60 ) ] ); var extrudeSettings = { steps : 100, bevelEnabled : false, extrudePath : closedSpline }; var pts = [], count = 3; for ( var i = 0; i < count; i ++ ) { var l = 20; var a = 2 * i / count * Math.PI; pts.push( new THREE.Vector2 ( Math.cos( a ) * l, Math.sin( a ) * l ) ); } var shape = new THREE.Shape( pts ); var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings ); var material = new THREE.MeshLambertMaterial( { color: 0xb00000, wireframe: false } ); var mesh = new THREE.Mesh( geometry, material ); scene.add( mesh ); // var randomPoints = []; for ( var i = 0; i < 10; i ++ ) { randomPoints.push( new THREE.Vector3( ( i - 4.5 ) * 50, THREE.Math.randFloat( - 50, 50 ), THREE.Math.randFloat( - 50, 50 ) ) ); } var randomSpline = new THREE.SplineCurve3( randomPoints ); // var extrudeSettings = { steps : 200, bevelEnabled : false, extrudePath : randomSpline }; var pts = [], numPts = 5; for ( var i = 0; i < numPts * 2; i ++ ) { var l = i % 2 == 1 ? 10 : 20; var a = i / numPts * Math.PI; pts.push( new THREE.Vector2 ( Math.cos( a ) * l, Math.sin( a ) * l ) ); } var shape = new THREE.Shape( pts ); var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings ); var material2 = new THREE.MeshLambertMaterial( { color: 0xff8000, wireframe: false } ); var mesh = new THREE.Mesh( geometry, material2 ); scene.add( mesh ); // var materials = [ material, material2 ]; var extrudeSettings = { amount : 20, steps : 1, material : 1, extrudeMaterial : 0, bevelEnabled : true, bevelThickness : 2, bevelSize : 4, bevelSegments : 1, }; var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings ); var mesh = new THREE.Mesh( geometry, new THREE.MeshFaceMaterial( materials ) ); mesh.position.set( 50, 100, 50 ); scene.add( mesh ); } function animate() { requestAnimationFrame( animate ); controls.update(); renderer.render( scene, camera ); } </script> </body> </html>