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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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+ <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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+ </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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+
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+ <script src="../build/Three.js"></script>
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+ <script src="../src/extras/core/Curve.js"></script>
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+ <script src="../src/extras/geometries/TubeGeometry.js"></script>
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+ <script src="../src/extras/geometries/ExtrudeGeometry.js"></script>
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+ <script src="js/Stats.js"></script>
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+
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+
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+ <script>
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+
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+ var container, stats;
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+
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+ var camera, scene, renderer;
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+
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+ var 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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+
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+ init();
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+ animate();
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+
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+ function init() {
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+
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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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+
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+ scene = new THREE.Scene();
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+
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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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+ scene.add( camera );
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+
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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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+ parent = new THREE.Object3D();
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+ parent.position.y = 50;
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+ scene.add( parent );
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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, opacity: 0.2, transparent: true } ), new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, opacity: 0.3 } ) ] );
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+
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+
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+
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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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+ parent.add( mesh );
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+
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+
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+
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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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+ // new THREE.Vector3( 0, 12, 83),
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+ // new THREE.Vector3( 0, 20, 67),
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+ // new THREE.Vector3( 0, 40, 99),
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+ // new THREE.Vector3( 0, 60, 49),
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+ // new THREE.Vector3( 0, 80, 40)
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+
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+ // new THREE.Vector3( 12, 83, 0 ),
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+ // new THREE.Vector3( 20, 67, 0 ),
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+ // new THREE.Vector3( 40, 99, 0 ),
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+ // new THREE.Vector3( 60, 49, 0 ),
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+ // new THREE.Vector3( 80, 40, 0 )
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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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+ 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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+
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+ for (var i=0; i<10;i++) {
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+ randomPoints.push(
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+ new THREE.Vector3(Math.random() * 200,Math.random() * 200,Math.random() * 200 )
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+ );
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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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+
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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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+
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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( 0,0 );
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+ // rectShape.lineTo( 0, rectWidth );
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+ // rectShape.lineTo( rectLength, rectWidth );
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+ // rectShape.lineTo( rectLength, 0 );
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+ // rectShape.lineTo( 0, 0 );
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+
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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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+
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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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+ // ugly box mouth
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+ // smileyMouthPath.moveTo( 20, 40 );
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+ // smileyMouthPath.lineTo( 60, 40 );
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+ // smileyMouthPath.lineTo( 60, 60 );
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+ // smileyMouthPath.lineTo( 20, 60 );
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+ // smileyMouthPath.lineTo( 20, 40 );
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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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+
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+ smileyShape.holes.push( smileyMouthPath );
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+
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+
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+
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+
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+ var circle3d = rectShape.extrude( extrudeSettings ); //circleShape rectShape smileyShape
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+ // var circle3d = new THREE.ExtrudeGeometry(circleShape, extrudeBend, extrudeSettings );
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+
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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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+
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+
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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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+
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+ renderer = new THREE.WebGLRenderer( { antialias: true } );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ container.appendChild( renderer.domElement );
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+
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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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+
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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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+
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+ }
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+
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+ //
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+
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+ function onDocumentMouseDown( event ) {
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+
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+ event.preventDefault();
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+
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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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+
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+ mouseXOnMouseDown = event.clientX - windowHalfX;
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+ targetRotationOnMouseDown = targetRotation;
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+
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+ }
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+
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+ function onDocumentMouseMove( event ) {
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+
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+ mouseX = event.clientX - windowHalfX;
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+
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+ targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.02;
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+
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+ }
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+
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+ function onDocumentMouseUp( event ) {
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+
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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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+
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+ function onDocumentMouseOut( event ) {
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+
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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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+
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+ function onDocumentTouchStart( event ) {
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+
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+ if ( event.touches.length == 1 ) {
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+
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+ event.preventDefault();
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+
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+ mouseXOnMouseDown = event.touches[ 0 ].pageX - windowHalfX;
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+ targetRotationOnMouseDown = targetRotation;
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+
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+ }
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+
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+ }
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+
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+ function onDocumentTouchMove( event ) {
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+
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+ if ( event.touches.length == 1 ) {
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+
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+ event.preventDefault();
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+
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+ mouseX = event.touches[ 0 ].pageX - windowHalfX;
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+ targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05;
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+
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+ }
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+
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+ }
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+
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+ //
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+
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+ function animate() {
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+
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+ requestAnimationFrame( animate );
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+
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+ render();
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+ stats.update();
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+
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+ }
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+
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+ function render() {
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+
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+ parent.rotation.y += ( targetRotation - parent.rotation.y ) * 0.05;
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ </script>
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+
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+ </body>
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+</html>
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Mr.doob