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@@ -11,39 +11,42 @@
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margin: 0px;
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margin: 0px;
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overflow: hidden;
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overflow: hidden;
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}
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}
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+
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+ #info {
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+ position: absolute;
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+ top: 0px;
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+ width: 100%;
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+ padding: 5px;
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+ font-family:Monospace;
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+ font-size:13px;
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+ text-align:center;
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+ }
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</style>
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</style>
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</head>
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</head>
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<body>
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<body>
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+ <div id="container"></div>
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+ <div id="info"><a href="https://threejs.org" target="_blank">three.js</a> - geometry - spline extrusion examples by <a href="http://www.lab4games.net/zz85/blog" target="_blank">zz85</a></div>
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+
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<script src="../build/three.js"></script>
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<script src="../build/three.js"></script>
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<script src="js/controls/OrbitControls.js"></script>
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<script src="js/controls/OrbitControls.js"></script>
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<!-- where curves formulas are defined -->
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<!-- where curves formulas are defined -->
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+
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<script src="js/CurveExtras.js"></script>
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<script src="js/CurveExtras.js"></script>
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<script src="js/libs/stats.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/libs/dat.gui.min.js"></script>
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<script>
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<script>
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+
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var container, stats;
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var container, stats;
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var camera, scene, renderer, splineCamera, cameraHelper, cameraEye;
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var camera, scene, renderer, splineCamera, cameraHelper, cameraEye;
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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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var binormal = new THREE.Vector3();
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var binormal = new THREE.Vector3();
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var normal = new THREE.Vector3();
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var normal = new THREE.Vector3();
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-
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var pipeSpline = new THREE.CatmullRomCurve3( [
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var pipeSpline = new THREE.CatmullRomCurve3( [
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new THREE.Vector3( 0, 10, -10 ), new THREE.Vector3( 10, 0, -10 ),
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new THREE.Vector3( 0, 10, -10 ), new THREE.Vector3( 10, 0, -10 ),
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new THREE.Vector3( 20, 0, 0 ), new THREE.Vector3( 30, 0, 10 ),
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new THREE.Vector3( 20, 0, 0 ), new THREE.Vector3( 30, 0, 10 ),
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@@ -92,41 +95,26 @@
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SampleClosedSpline: sampleClosedSpline
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SampleClosedSpline: sampleClosedSpline
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};
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};
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- extrudePath = new THREE.Curves.TrefoilKnot();
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-
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- var dropdown = '<select id="dropdown" onchange="addTube(this.value)">';
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-
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- var s;
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- for ( s in splines ) {
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-
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- dropdown += '<option value="' + s + '"';
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- dropdown += '>' + s + '</option>';
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-
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- }
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-
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- dropdown += '</select>';
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-
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- var closed2 = true;
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- var parent;
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- var tube, tubeMesh;
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- var animation = false, lookAhead = false;
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- var scale;
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- var showCameraHelper = false;
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+ var parent, tube, tubeMesh;
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+
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+ var params = {
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+ spline: 'GrannyKnot',
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+ scale: 4,
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+ extrusionSegments: 100,
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+ radiusSegments: 3,
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+ closed: true,
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+ animationView: false,
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+ lookAhead: false,
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+ cameraHelper: false,
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+ };
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function addTube() {
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function addTube() {
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- var value = document.getElementById( 'dropdown' ).value;
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-
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- var segments = parseInt( document.getElementById( 'segments' ).value );
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- closed2 = document.getElementById( 'closed' ).checked;
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-
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- var radiusSegments = parseInt( document.getElementById( 'radiusSegments' ).value );
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-
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if ( tubeMesh !== undefined ) parent.remove( tubeMesh );
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if ( tubeMesh !== undefined ) parent.remove( tubeMesh );
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- extrudePath = splines[ value ];
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+ extrudePath = splines[ params.spline ];
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- tube = new THREE.TubeBufferGeometry( extrudePath, segments, 2, radiusSegments, closed2 );
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+ tube = new THREE.TubeBufferGeometry( extrudePath, params.extrusionSegments, 2, params.radiusSegments, params.closed );
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addGeometry( tube, 0xff00ff );
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addGeometry( tube, 0xff00ff );
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setScale();
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setScale();
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@@ -135,15 +123,14 @@
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function setScale() {
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function setScale() {
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- scale = parseInt( document.getElementById( 'scale' ).value );
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- tubeMesh.scale.set( scale, scale, scale );
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+ tubeMesh.scale.set( params.scale, params.scale, params.scale );
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}
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}
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function addGeometry( geometry, color ) {
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function addGeometry( geometry, color ) {
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- // 3d shape
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+ // 3D shape
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tubeMesh = THREE.SceneUtils.createMultiMaterialObject( geometry, [
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tubeMesh = THREE.SceneUtils.createMultiMaterialObject( geometry, [
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new THREE.MeshLambertMaterial( {
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new THREE.MeshLambertMaterial( {
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@@ -160,21 +147,10 @@
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}
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}
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- function animateCamera( toggle ) {
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-
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- if ( toggle === true ) {
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-
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- animation = animation === false;
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- document.getElementById( 'animation' ).value = 'Camera Spline Animation View: ' + ( animation ? 'ON' : 'OFF' );
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-
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- }
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+ function animateCamera() {
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- lookAhead = document.getElementById( 'lookAhead' ).checked;
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-
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- showCameraHelper = document.getElementById( 'cameraHelper' ).checked;
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-
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- cameraHelper.visible = showCameraHelper;
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- cameraEye.visible = showCameraHelper;
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+ cameraHelper.visible = params.cameraHelper;
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+ cameraEye.visible = params.cameraHelper;
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}
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}
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@@ -183,38 +159,25 @@
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function init() {
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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 = 'Spline Extrusion Examples by <a href="http://www.lab4games.net/zz85/blog">zz85</a><br/>Select spline:';
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-
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- info.innerHTML += dropdown;
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-
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- info.innerHTML += '<br/>Scale: <select id="scale" onchange="setScale()"><option>1</option><option>2</option><option selected>4</option><option>6</option><option>10</option></select>';
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- info.innerHTML += '<br/>Extrusion Segments: <select onchange="addTube()" id="segments"><option>50</option><option selected>100</option><option>200</option><option>400</option></select>';
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- info.innerHTML += '<br/>Radius Segments: <select id="radiusSegments" onchange="addTube()"><option>1</option><option>2</option><option selected>3</option><option>4</option><option>5</option><option>6</option><option>8</option><option>12</option></select>';
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- info.innerHTML += '<br/>Closed:<input id="closed" onchange="addTube()" type="checkbox" checked />';
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-
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- info.innerHTML += '<br/><br/><input id="animation" type="button" onclick="animateCamera(true)" value="Camera Spline Animation View: OFF"/><br/> Look Ahead <input id="lookAhead" type="checkbox" onchange="animateCamera()" /> Camera Helper <input id="cameraHelper" type="checkbox" onchange="animateCamera()" />';
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-
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- container.appendChild( info );
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+ container = document.getElementById( 'container' );
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- //
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+ // camera
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 10000 );
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 10000 );
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camera.position.set( 0, 50, 500 );
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camera.position.set( 0, 50, 500 );
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+ // scene
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+
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scene = new THREE.Scene();
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scene = new THREE.Scene();
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+ // light
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+
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var light = new THREE.DirectionalLight( 0xffffff );
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var light = new THREE.DirectionalLight( 0xffffff );
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light.position.set( 0, 0, 1 );
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light.position.set( 0, 0, 1 );
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scene.add( light );
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scene.add( light );
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+ // tube
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+
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parent = new THREE.Object3D();
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parent = new THREE.Object3D();
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scene.add( parent );
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scene.add( parent );
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@@ -231,10 +194,10 @@
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cameraEye = new THREE.Mesh( new THREE.SphereGeometry( 5 ), new THREE.MeshBasicMaterial( { color: 0xdddddd } ) );
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cameraEye = new THREE.Mesh( new THREE.SphereGeometry( 5 ), new THREE.MeshBasicMaterial( { color: 0xdddddd } ) );
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parent.add( cameraEye );
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parent.add( cameraEye );
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- cameraHelper.visible = showCameraHelper;
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- cameraEye.visible = showCameraHelper;
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+ cameraHelper.visible = params.cameraHelper;
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+ cameraEye.visible = params.cameraHelper;
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- //
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+ // renderer
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setClearColor( 0xf0f0f0 );
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renderer.setClearColor( 0xf0f0f0 );
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@@ -242,14 +205,34 @@
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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container.appendChild( renderer.domElement );
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+ // stats
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+
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stats = new Stats();
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stats = new Stats();
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container.appendChild( stats.dom );
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container.appendChild( stats.dom );
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- //
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+ // dat.GUI
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+
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+ var gui = new dat.GUI( { width: 300 } );
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+
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+ var folderGeometry = gui.addFolder( 'Geometry' );
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+ folderGeometry.add( params, 'spline', Object.keys( splines ) ).onChange( function( value ) { addTube(); } );
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+ folderGeometry.add( params, 'scale', 2, 10 ).step( 2 ).onChange( function( value ) { setScale(); } );
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+ folderGeometry.add( params, 'extrusionSegments', 50, 500 ).step( 50 ).onChange( function( value ) { addTube(); } );
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+ folderGeometry.add( params, 'radiusSegments', 2, 12 ).step( 1 ).onChange( function( value ) { addTube(); } );
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+ folderGeometry.add( params, 'closed').onChange( function( value ) { addTube(); } );
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+ folderGeometry.open();
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+
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+ var folderCamera = gui.addFolder( 'Camera' );
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+ folderCamera.add( params, 'animationView').onChange( function( value ) { animateCamera( true ); } );
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+ folderCamera.add( params, 'lookAhead').onChange( function( value ) { animateCamera(); } );
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+ folderCamera.add( params, 'cameraHelper').onChange( function( value ) { animateCamera(); } );
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+ folderCamera.open();
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+
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+ // controls
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controls = new THREE.OrbitControls( camera, renderer.domElement );
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controls = new THREE.OrbitControls( camera, renderer.domElement );
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- //
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+ // event listener
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window.addEventListener( 'resize', onWindowResize, false );
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window.addEventListener( 'resize', onWindowResize, false );
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@@ -257,9 +240,6 @@
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function onWindowResize() {
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function onWindowResize() {
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- windowHalfX = window.innerWidth / 2;
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- windowHalfY = window.innerHeight / 2;
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-
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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camera.updateProjectionMatrix();
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@@ -280,15 +260,17 @@
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function render() {
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function render() {
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- // Try Animate Camera Along Spline
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+ // animate camera along spline
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+
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var time = Date.now();
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var time = Date.now();
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var looptime = 20 * 1000;
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var looptime = 20 * 1000;
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var t = ( time % looptime ) / looptime;
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var t = ( time % looptime ) / looptime;
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var pos = tube.parameters.path.getPointAt( t );
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var pos = tube.parameters.path.getPointAt( t );
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- pos.multiplyScalar( scale );
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+ pos.multiplyScalar( params.scale );
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// interpolation
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// interpolation
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+
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var segments = tube.tangents.length;
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var segments = tube.tangents.length;
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var pickt = t * segments;
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var pickt = t * segments;
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var pick = Math.floor( pickt );
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var pick = Math.floor( pickt );
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@@ -297,33 +279,34 @@
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binormal.subVectors( tube.binormals[ pickNext ], tube.binormals[ pick ] );
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binormal.subVectors( tube.binormals[ pickNext ], tube.binormals[ pick ] );
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binormal.multiplyScalar( pickt - pick ).add( tube.binormals[ pick ] );
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binormal.multiplyScalar( pickt - pick ).add( tube.binormals[ pick ] );
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-
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var dir = tube.parameters.path.getTangentAt( t );
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var dir = tube.parameters.path.getTangentAt( t );
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-
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var offset = 15;
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var offset = 15;
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normal.copy( binormal ).cross( dir );
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normal.copy( binormal ).cross( dir );
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- // We move on a offset on its binormal
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+ // we move on a offset on its binormal
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+
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pos.add( normal.clone().multiplyScalar( offset ) );
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pos.add( normal.clone().multiplyScalar( offset ) );
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splineCamera.position.copy( pos );
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splineCamera.position.copy( pos );
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cameraEye.position.copy( pos );
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cameraEye.position.copy( pos );
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- // Using arclength for stablization in look ahead.
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- var lookAt = tube.parameters.path.getPointAt( ( t + 30 / tube.parameters.path.getLength() ) % 1 ).multiplyScalar( scale );
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+ // using arclength for stablization in look ahead
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+
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+ var lookAt = tube.parameters.path.getPointAt( ( t + 30 / tube.parameters.path.getLength() ) % 1 ).multiplyScalar( params.scale );
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- // Camera Orientation 2 - up orientation via normal
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- if ( !lookAhead ) lookAt.copy( pos ).add( dir );
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- splineCamera.matrix.lookAt(splineCamera.position, lookAt, normal);
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+ // camera orientation 2 - up orientation via normal
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+
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+ if ( ! params.lookAhead ) lookAt.copy( pos ).add( dir );
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+ splineCamera.matrix.lookAt( splineCamera.position, lookAt, normal );
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splineCamera.rotation.setFromRotationMatrix( splineCamera.matrix, splineCamera.rotation.order );
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splineCamera.rotation.setFromRotationMatrix( splineCamera.matrix, splineCamera.rotation.order );
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cameraHelper.update();
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cameraHelper.update();
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- renderer.render( scene, animation === true ? splineCamera : camera );
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+ renderer.render( scene, params.animationView === true ? splineCamera : camera );
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}
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}
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- </script>
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+ </script>
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</body>
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</body>
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</html>
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</html>
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