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@@ -1,334 +1,193 @@
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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 splines</title>
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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: #f0f0f0;
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- margin: 0px;
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- overflow: hidden;
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- }
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+ body {
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+ font-family: Monospace;
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+ background-color: #000;
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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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- <canvas id="debug" style="position:absolute; left:100px"></canvas>
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<script src="../build/three.min.js"></script>
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- <script src="js/libs/stats.min.js"></script>
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-
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+ <script src="js/controls/TrackballControls.js"></script>
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<script>
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- var container, stats;
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-
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- var camera, scene, renderer;
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+ var container;
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- var group, text, plane;
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-
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- var targetRotation = 0;
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- var targetRotationOnMouseDown = 0;
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-
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- var mouseX = 0;
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- var mouseXOnMouseDown = 0;
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-
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- var windowHalfX = window.innerWidth / 2;
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- var windowHalfY = window.innerHeight / 2;
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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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- container = document.createElement( 'div' );
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- document.body.appendChild( container );
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-
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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.innerHTML = 'Shapes Extrusion via Spline path<br/>Drag to spin';
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- container.appendChild( info );
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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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- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 1000 );
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- camera.position.set( 0, 150, 500 );
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+ renderer = new THREE.WebGLRenderer();
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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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- var light = new THREE.DirectionalLight( 0xffffff );
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- light.position.set( 0, 0, 1 );
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- scene.add( light );
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-
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- group = new THREE.Object3D();
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- group.position.y = 50;
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- scene.add( group );
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-
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- function addGeometry( geometry, color, x, y, z, rx, ry, rz, s ) {
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-
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- // 3d shape
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-
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- var mesh = THREE.SceneUtils.createMultiMaterialObject( geometry, [ new THREE.MeshLambertMaterial( { color: color } ), new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, opacity: 0.3, transparent: true } ) ] );
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-
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- mesh.position.set( x, y, z - 75 );
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- // mesh.rotation.set( rx, ry, rz );
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- mesh.scale.set( s, s, s );
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-
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- if ( geometry.debug ) mesh.add( geometry.debug );
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-
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- group.add( mesh );
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-
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- }
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-
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- var extrudeSettings = { amount: 200, bevelEnabled: true, bevelSegments: 2, steps: 150 }; // bevelSegments: 2, steps: 2 , bevelSegments: 5, bevelSize: 8, bevelThickness:5,
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-
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- // var extrudePath = new THREE.Path();
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-
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- // extrudePath.moveTo( 0, 0 );
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- // extrudePath.lineTo( 10, 10 );
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- // extrudePath.quadraticCurveTo( 80, 60, 160, 10 );
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- // extrudePath.quadraticCurveTo( 240, -40, 320, 10 );
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-
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-
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- extrudeSettings.bevelEnabled = false;
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-
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- var extrudeBend = new THREE.SplineCurve3( //Closed
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- [
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-
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- new THREE.Vector3( 30, 12, 83),
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- new THREE.Vector3( 40, 20, 67),
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- new THREE.Vector3( 60, 40, 99),
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- new THREE.Vector3( 10, 60, 49),
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- new THREE.Vector3( 25, 80, 40)
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-
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- ]);
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-
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- var pipeSpline = new THREE.SplineCurve3([
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- new THREE.Vector3(0, 10, -10), new THREE.Vector3(10, 0, -10), new THREE.Vector3(20, 0, 0), new THREE.Vector3(30, 0, 10), new THREE.Vector3(30, 0, 20), new THREE.Vector3(20, 0, 30), new THREE.Vector3(10, 0, 30), new THREE.Vector3(0, 0, 30), new THREE.Vector3(-10, 10, 30), new THREE.Vector3(-10, 20, 30), new THREE.Vector3(0, 30, 30), new THREE.Vector3(10, 30, 30), new THREE.Vector3(20, 30, 15), new THREE.Vector3(10, 30, 10), new THREE.Vector3(0, 30, 10), new THREE.Vector3(-10, 20, 10), new THREE.Vector3(-10, 10, 10), new THREE.Vector3(0, 0, 10), new THREE.Vector3(10, -10, 10), new THREE.Vector3(20, -15, 10), new THREE.Vector3(30, -15, 10), new THREE.Vector3(40, -15, 10), new THREE.Vector3(50, -15, 10), new THREE.Vector3(60, 0, 10), new THREE.Vector3(70, 0, 0), new THREE.Vector3(80, 0, 0), new THREE.Vector3(90, 0, 0), new THREE.Vector3(100, 0, 0)]
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- );
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-
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- var sampleClosedSpline = new THREE.ClosedSplineCurve3([
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- new THREE.Vector3(0, -40, -40),
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- new THREE.Vector3(0, 40, -40),
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- new THREE.Vector3(0, 140, -40),
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- new THREE.Vector3(0, 40, 40),
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- new THREE.Vector3(0, -40, 40),
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- ]);
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-
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- var randomPoints = [];
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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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- for ( var i = 0; i < 10; i ++ ) {
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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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- randomPoints.push( new THREE.Vector3(Math.random() * 200,Math.random() * 200,Math.random() * 200 ) );
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+ scene.add( new THREE.AmbientLight( 0x222222 ) );
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- }
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-
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- var randomSpline = new THREE.SplineCurve3( randomPoints );
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-
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- extrudeSettings.extrudePath = randomSpline; // extrudeBend sampleClosedSpline pipeSpline randomSpline
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-
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- // Circle
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+ var light = new THREE.PointLight( 0xffffff );
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+ light.position = camera.position;
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+ scene.add( light );
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- var circleRadius = 4;
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- var circleShape = new THREE.Shape();
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- circleShape.moveTo( 0, circleRadius );
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- circleShape.quadraticCurveTo( circleRadius, circleRadius, circleRadius, 0 );
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- circleShape.quadraticCurveTo( circleRadius, -circleRadius, 0, -circleRadius );
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- circleShape.quadraticCurveTo( -circleRadius, -circleRadius, -circleRadius, 0 );
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- circleShape.quadraticCurveTo( -circleRadius, circleRadius, 0, circleRadius);
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- var rectLength = 12, rectWidth = 4;
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+ //
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- var rectShape = new THREE.Shape();
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- rectShape.moveTo( -rectLength/2, -rectWidth/2 );
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- rectShape.lineTo( -rectLength/2, rectWidth/2 );
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- rectShape.lineTo( rectLength/2, rectWidth/2 );
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- rectShape.lineTo( rectLength/2, -rectLength/2 );
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- rectShape.lineTo( -rectLength/2, -rectLength/2 );
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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 = [], starPoints = 5, l;
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- for ( i = 0; i < starPoints * 2; i ++ ) {
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+ var pts = [], count = 3;
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- if ( i % 2 == 1 ) {
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+ for ( var i = 0; i < count; i ++ ) {
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- l = 5;
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+ var l = 20;
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- } else {
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+ var a = 2 * i / count * Math.PI;
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- l = 10;
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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 a = i / starPoints * 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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- }
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-
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- var starShape = new THREE.Shape( pts );
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-
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- // Smiley
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-
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- var smileyShape = new THREE.Shape();
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- smileyShape.moveTo( 80, 40 );
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- smileyShape.arc( 40, 40, 40, 0, Math.PI*2, false );
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-
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- var smileyEye1Path = new THREE.Path();
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- smileyEye1Path.moveTo( 35, 20 );
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- smileyEye1Path.arc( 25, 20, 10, 0, Math.PI*2, true );
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- smileyShape.holes.push( smileyEye1Path );
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-
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- var smileyEye2Path = new THREE.Path();
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- smileyEye2Path.moveTo( 65, 20 );
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- smileyEye2Path.arc( 55, 20, 10, 0, Math.PI*2, true );
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- smileyShape.holes.push( smileyEye2Path );
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-
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- var smileyMouthPath = new THREE.Path();
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-
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- smileyMouthPath.moveTo( 20, 40 );
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- smileyMouthPath.quadraticCurveTo( 40, 60, 60, 40 );
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- smileyMouthPath.bezierCurveTo( 70, 45, 70, 50, 60, 60 );
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- smileyMouthPath.quadraticCurveTo( 40, 80, 20, 60 );
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- smileyMouthPath.quadraticCurveTo( 5, 50, 20, 40 );
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+ var shape = new THREE.Shape( pts );
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- smileyShape.holes.push( smileyMouthPath );
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+ var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings );
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- var circle3d = starShape.extrude( extrudeSettings ); //circleShape rectShape smileyShape starShape
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- // var circle3d = new THREE.ExtrudeGeometry(circleShape, extrudeBend, extrudeSettings );
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+ var material = new THREE.MeshLambertMaterial( { color: 0xb00000, wireframe: false } );
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- var tube = new THREE.TubeGeometry(extrudeSettings.extrudePath, 150, 4, 5, false, true);
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- // new THREE.TubeGeometry(extrudePath, segments, 2, radiusSegments, closed2, debug);
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+ var mesh = new THREE.Mesh( geometry, material );
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+ scene.add( mesh );
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- addGeometry( circle3d, 0xff1111, -100, 0, 0, 0, 0, 0, 1 );
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- addGeometry( tube, 0x00ff11, 0, 0, 0, 0, 0, 0, 1 );
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- console.log(tube);
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- //
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+ //
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- renderer = new THREE.WebGLRenderer( { antialias: true } );
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- renderer.setClearColor( 0xf0f0f0 );
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- renderer.setSize( window.innerWidth, window.innerHeight );
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- container.appendChild( renderer.domElement );
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+ var randomPoints = [];
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- stats = new Stats();
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- stats.domElement.style.position = 'absolute';
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- stats.domElement.style.top = '0px';
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- container.appendChild( stats.domElement );
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+ for ( var i = 0; i < 10; i ++ ) {
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- document.addEventListener( 'mousedown', onDocumentMouseDown, false );
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- document.addEventListener( 'touchstart', onDocumentTouchStart, false );
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- document.addEventListener( 'touchmove', onDocumentTouchMove, false );
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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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-
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- window.addEventListener( 'resize', onWindowResize, false );
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-
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- }
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-
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- function onWindowResize() {
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+ }
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- windowHalfX = window.innerWidth / 2;
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- windowHalfY = window.innerHeight / 2;
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+ var randomSpline = new THREE.SplineCurve3( randomPoints );
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- camera.aspect = window.innerWidth / window.innerHeight;
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- camera.updateProjectionMatrix();
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+ //
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- renderer.setSize( window.innerWidth, window.innerHeight );
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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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- }
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- //
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+ var pts = [], numPts = 5;
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- function onDocumentMouseDown( event ) {
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+ for ( var i = 0; i < numPts * 2; i ++ ) {
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- event.preventDefault();
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+ var l = i % 2 == 1 ? 10 : 20;
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- document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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- document.addEventListener( 'mouseup', onDocumentMouseUp, false );
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- document.addEventListener( 'mouseout', onDocumentMouseOut, false );
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+ var a = i / numPts * Math.PI;
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- mouseXOnMouseDown = event.clientX - windowHalfX;
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- targetRotationOnMouseDown = targetRotation;
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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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+ }
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- function onDocumentMouseMove( event ) {
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+ var shape = new THREE.Shape( pts );
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- mouseX = event.clientX - windowHalfX;
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+ var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings );
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- targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.02;
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+ var material2 = new THREE.MeshLambertMaterial( { color: 0xff8000, wireframe: false } );
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- }
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+ var mesh = new THREE.Mesh( geometry, material2 );
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- function onDocumentMouseUp( event ) {
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+ scene.add( mesh );
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- document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
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- document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
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- document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
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- }
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+ //
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- function onDocumentMouseOut( event ) {
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- document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
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- document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
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- document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
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+ var materials = [ material, material2 ];
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- }
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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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- function onDocumentTouchStart( event ) {
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+ var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings );
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- if ( event.touches.length == 1 ) {
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+ var mesh = new THREE.Mesh( geometry, new THREE.MeshFaceMaterial( materials ) );
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- event.preventDefault();
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+ mesh.position.set( 50, 100, 50 );
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- mouseXOnMouseDown = event.touches[ 0 ].pageX - windowHalfX;
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- targetRotationOnMouseDown = targetRotation;
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+ scene.add( mesh );
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}
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- }
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-
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- function onDocumentTouchMove( event ) {
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+ function animate() {
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- if ( event.touches.length == 1 ) {
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+ requestAnimationFrame( animate );
|
|
|
|
|
|
- event.preventDefault();
|
|
|
+ controls.update();
|
|
|
|
|
|
- mouseX = event.touches[ 0 ].pageX - windowHalfX;
|
|
|
- targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05;
|
|
|
+ renderer.render( scene, camera );
|
|
|
|
|
|
}
|
|
|
|
|
|
- }
|
|
|
-
|
|
|
- //
|
|
|
-
|
|
|
- function animate() {
|
|
|
-
|
|
|
- requestAnimationFrame( animate );
|
|
|
-
|
|
|
- render();
|
|
|
- stats.update();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function render() {
|
|
|
-
|
|
|
- group.rotation.y += ( targetRotation - group.rotation.y ) * 0.05;
|
|
|
- renderer.render( scene, camera );
|
|
|
-
|
|
|
- }
|
|
|
+ </script>
|
|
|
|
|
|
- </script>
|
|
|
+ </body>
|
|
|
|
|
|
-</body>
|
|
|
</html>
|
WestLangley