mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-24 03:53:49 +01:00
394 lines
12 KiB
HTML
Executable File
394 lines
12 KiB
HTML
Executable File
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - geometry - 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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</style>
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</head>
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<body>
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<script src="../build/three.min.js"></script>
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<!--
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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/helpers/CameraHelper.js"></script>
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-->
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<!-- where curves formulas are defined -->
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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>
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var container, stats;
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var camera, scene, renderer, splineCamera, cameraHelper, cameraEye;
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var text, plane;
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var targetRotation = 0;
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var targetRotationOnMouseDown = 0;
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var mouseX = 0;
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var mouseXOnMouseDown = 0;
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var windowHalfX = window.innerWidth / 2;
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var windowHalfY = window.innerHeight / 2;
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var binormal = new THREE.Vector3();
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var normal = new THREE.Vector3();
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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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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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// Keep a dictionary of Curve instances
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var splines = {
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GrannyKnot: new THREE.Curves.GrannyKnot(),
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HeartCurve: new THREE.Curves.HeartCurve(3.5),
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VivianiCurve: new THREE.Curves.VivianiCurve(70),
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KnotCurve: new THREE.Curves.KnotCurve(),
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HelixCurve: new THREE.Curves.HelixCurve(),
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TrefoilKnot: new THREE.Curves.TrefoilKnot(),
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TorusKnot: new THREE.Curves.TorusKnot(20),
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CinquefoilKnot: new THREE.Curves.CinquefoilKnot(20),
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TrefoilPolynomialKnot: new THREE.Curves.TrefoilPolynomialKnot(14),
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FigureEightPolynomialKnot: new THREE.Curves.FigureEightPolynomialKnot(),
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DecoratedTorusKnot4a: new THREE.Curves.DecoratedTorusKnot4a(),
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DecoratedTorusKnot4b: new THREE.Curves.DecoratedTorusKnot4b(),
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DecoratedTorusKnot5a: new THREE.Curves.DecoratedTorusKnot5a(),
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DecoratedTorusKnot5c: new THREE.Curves.DecoratedTorusKnot5c(),
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PipeSpline: pipeSpline,
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SampleClosedSpline: sampleClosedSpline
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};
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extrudePath = new THREE.Curves.TrefoilKnot();
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var dropdown = '<select id="dropdown" onchange="addTube(this.value)">';
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var s;
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for ( s in splines ) {
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dropdown += '<option value="' + s + '"';
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dropdown += '>' + s + '</option>';
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}
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dropdown += '</select>';
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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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function addTube() {
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var value = document.getElementById('dropdown').value;
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var segments = parseInt(document.getElementById('segments').value);
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closed2 = document.getElementById('closed').checked;
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var radiusSegments = parseInt(document.getElementById('radiusSegments').value);
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console.log('adding tube', value, closed2, radiusSegments);
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if (tubeMesh) parent.remove(tubeMesh);
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extrudePath = splines[value];
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tube = new THREE.TubeGeometry(extrudePath, segments, 2, radiusSegments, closed2);
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addGeometry(tube, 0xff00ff);
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setScale();
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}
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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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}
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function addGeometry( geometry, color ) {
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// 3d shape
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tubeMesh = THREE.SceneUtils.createMultiMaterialObject( geometry, [
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new THREE.MeshLambertMaterial({
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color: color
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}),
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new THREE.MeshBasicMaterial({
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color: 0x000000,
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opacity: 0.3,
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wireframe: true,
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transparent: true
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})]);
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parent.add( tubeMesh );
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}
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function animateCamera( toggle ) {
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if ( toggle ) {
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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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lookAhead = document.getElementById('lookAhead').checked;
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showCameraHelper = document.getElementById('cameraHelper').checked;
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cameraHelper.visible = showCameraHelper;
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cameraEye.visible = showCameraHelper;
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}
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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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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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info.innerHTML += dropdown;
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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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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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container.appendChild(info);
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//
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camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 0.01, 1000);
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camera.position.set(0, 50, 500);
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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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parent = new THREE.Object3D();
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parent.position.y = 100;
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scene.add( parent );
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splineCamera = new THREE.PerspectiveCamera( 84, window.innerWidth / window.innerHeight, 0.01, 1000 );
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parent.add( splineCamera );
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cameraHelper = new THREE.CameraHelper( splineCamera );
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scene.add( cameraHelper );
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addTube();
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// Debug point
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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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cameraHelper.visible = showCameraHelper;
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cameraEye.visible = showCameraHelper;
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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.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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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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renderer.domElement.addEventListener( 'mousedown', onDocumentMouseDown, false );
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renderer.domElement.addEventListener( 'touchstart', onDocumentTouchStart, false );
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renderer.domElement.addEventListener( 'touchmove', onDocumentTouchMove, false );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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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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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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//
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function onDocumentMouseDown(event) {
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event.preventDefault();
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renderer.domElement.addEventListener( 'mousemove', onDocumentMouseMove, false );
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renderer.domElement.addEventListener( 'mouseup', onDocumentMouseUp, false );
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renderer.domElement.addEventListener( 'mouseout', onDocumentMouseOut, false );
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mouseXOnMouseDown = event.clientX - windowHalfX;
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targetRotationOnMouseDown = targetRotation;
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}
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function onDocumentMouseMove(event) {
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mouseX = event.clientX - windowHalfX;
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targetRotation = targetRotationOnMouseDown + (mouseX - mouseXOnMouseDown) * 0.02;
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}
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function onDocumentMouseUp(event) {
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renderer.domElement.removeEventListener( 'mousemove', onDocumentMouseMove, false );
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renderer.domElement.removeEventListener( 'mouseup', onDocumentMouseUp, false );
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renderer.domElement.removeEventListener( 'mouseout', onDocumentMouseOut, false );
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}
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function onDocumentMouseOut(event) {
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renderer.domElement.removeEventListener( 'mousemove', onDocumentMouseMove, false );
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renderer.domElement.removeEventListener( 'mouseup', onDocumentMouseUp, false );
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renderer.domElement.removeEventListener( 'mouseout', onDocumentMouseOut, false );
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}
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function onDocumentTouchStart(event) {
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if (event.touches.length == 1) {
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event.preventDefault();
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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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function onDocumentTouchMove(event) {
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if (event.touches.length == 1) {
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event.preventDefault();
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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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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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// Try Animate Camera Along Spline
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var time = Date.now();
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var looptime = 20 * 1000;
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var t = ( time % looptime ) / looptime;
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var pos = tube.parameters.path.getPointAt( t );
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pos.multiplyScalar( scale );
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// interpolation
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var segments = tube.tangents.length;
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var pickt = t * segments;
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var pick = Math.floor( pickt );
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var pickNext = ( pick + 1 ) % segments;
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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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var dir = tube.parameters.path.getTangentAt( t );
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var offset = 15;
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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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pos.add( normal.clone().multiplyScalar( offset ) );
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splineCamera.position.copy( pos );
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cameraEye.position.copy( pos );
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// Camera Orientation 1 - default look at
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// splineCamera.lookAt( lookAt );
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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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// Camera Orientation 2 - up orientation via normal
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if (!lookAhead)
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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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cameraHelper.update();
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parent.rotation.y += ( targetRotation - parent.rotation.y ) * 0.05;
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renderer.render( scene, animation === true ? splineCamera : camera );
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}
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</script>
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</body>
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</html>
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