|
@@ -23,316 +23,328 @@
|
|
|
by <a href="http://www.lab4games.net/zz85/blog" target="_blank" rel="noopener">zz85</a>
|
|
|
</div>
|
|
|
|
|
|
- <script src="../build/three.js"></script>
|
|
|
- <script src="js/controls/OrbitControls.js"></script>
|
|
|
-
|
|
|
- <!-- where curves formulas are defined -->
|
|
|
-
|
|
|
- <script src="js/curves/CurveExtras.js"></script>
|
|
|
-
|
|
|
- <script src="js/libs/stats.min.js"></script>
|
|
|
- <script src="js/libs/dat.gui.min.js"></script>
|
|
|
-
|
|
|
- <script>
|
|
|
-
|
|
|
- var container, stats;
|
|
|
-
|
|
|
- var camera, scene, renderer, splineCamera, cameraHelper, cameraEye;
|
|
|
-
|
|
|
- var binormal = new THREE.Vector3();
|
|
|
- var normal = new THREE.Vector3();
|
|
|
-
|
|
|
- var pipeSpline = new THREE.CatmullRomCurve3( [
|
|
|
- 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 )
|
|
|
- ] );
|
|
|
-
|
|
|
- var sampleClosedSpline = new THREE.CatmullRomCurve3( [
|
|
|
- new THREE.Vector3( 0, - 40, - 40 ),
|
|
|
- new THREE.Vector3( 0, 40, - 40 ),
|
|
|
- new THREE.Vector3( 0, 140, - 40 ),
|
|
|
- new THREE.Vector3( 0, 40, 40 ),
|
|
|
- new THREE.Vector3( 0, - 40, 40 )
|
|
|
- ] );
|
|
|
-
|
|
|
- sampleClosedSpline.curveType = 'catmullrom';
|
|
|
- sampleClosedSpline.closed = true;
|
|
|
-
|
|
|
- // Keep a dictionary of Curve instances
|
|
|
- var splines = {
|
|
|
- GrannyKnot: new THREE.Curves.GrannyKnot(),
|
|
|
- HeartCurve: new THREE.Curves.HeartCurve( 3.5 ),
|
|
|
- VivianiCurve: new THREE.Curves.VivianiCurve( 70 ),
|
|
|
- KnotCurve: new THREE.Curves.KnotCurve(),
|
|
|
- HelixCurve: new THREE.Curves.HelixCurve(),
|
|
|
- TrefoilKnot: new THREE.Curves.TrefoilKnot(),
|
|
|
- TorusKnot: new THREE.Curves.TorusKnot( 20 ),
|
|
|
- CinquefoilKnot: new THREE.Curves.CinquefoilKnot( 20 ),
|
|
|
- TrefoilPolynomialKnot: new THREE.Curves.TrefoilPolynomialKnot( 14 ),
|
|
|
- FigureEightPolynomialKnot: new THREE.Curves.FigureEightPolynomialKnot(),
|
|
|
- DecoratedTorusKnot4a: new THREE.Curves.DecoratedTorusKnot4a(),
|
|
|
- DecoratedTorusKnot4b: new THREE.Curves.DecoratedTorusKnot4b(),
|
|
|
- DecoratedTorusKnot5a: new THREE.Curves.DecoratedTorusKnot5a(),
|
|
|
- DecoratedTorusKnot5c: new THREE.Curves.DecoratedTorusKnot5c(),
|
|
|
- PipeSpline: pipeSpline,
|
|
|
- SampleClosedSpline: sampleClosedSpline
|
|
|
- };
|
|
|
-
|
|
|
- var parent, tubeGeometry, mesh;
|
|
|
-
|
|
|
- var params = {
|
|
|
- spline: 'GrannyKnot',
|
|
|
- scale: 4,
|
|
|
- extrusionSegments: 100,
|
|
|
- radiusSegments: 3,
|
|
|
- closed: true,
|
|
|
- animationView: false,
|
|
|
- lookAhead: false,
|
|
|
- cameraHelper: false,
|
|
|
- };
|
|
|
-
|
|
|
- var material = new THREE.MeshLambertMaterial( { color: 0xff00ff } );
|
|
|
-
|
|
|
- var wireframeMaterial = new THREE.MeshBasicMaterial( { color: 0x000000, opacity: 0.3, wireframe: true, transparent: true } );
|
|
|
-
|
|
|
- function addTube() {
|
|
|
-
|
|
|
- if ( mesh !== undefined ) {
|
|
|
-
|
|
|
- parent.remove( mesh );
|
|
|
- mesh.geometry.dispose();
|
|
|
+ <script type="module">
|
|
|
+ import {
|
|
|
+ CameraHelper,
|
|
|
+ CatmullRomCurve3,
|
|
|
+ Color,
|
|
|
+ DirectionalLight,
|
|
|
+ Mesh,
|
|
|
+ MeshBasicMaterial,
|
|
|
+ MeshLambertMaterial,
|
|
|
+ Object3D,
|
|
|
+ PerspectiveCamera,
|
|
|
+ Scene,
|
|
|
+ SphereBufferGeometry,
|
|
|
+ TubeBufferGeometry,
|
|
|
+ Vector3,
|
|
|
+ WebGLRenderer
|
|
|
+ } from "../build/three.module.js";
|
|
|
+
|
|
|
+ import Stats from './jsm/libs/stats.module.js';
|
|
|
+ import { GUI } from './jsm/libs/dat.gui.module.js';
|
|
|
+
|
|
|
+ import { Curves } from './jsm/curves/CurveExtras.js';
|
|
|
+ import { OrbitControls } from './jsm/controls/OrbitControls.js';
|
|
|
+
|
|
|
+ var container, stats;
|
|
|
+
|
|
|
+ var camera, scene, renderer, splineCamera, cameraHelper, cameraEye;
|
|
|
+
|
|
|
+ var binormal = new Vector3();
|
|
|
+ var normal = new Vector3();
|
|
|
+
|
|
|
+ var pipeSpline = new CatmullRomCurve3( [
|
|
|
+ new Vector3( 0, 10, - 10 ), new Vector3( 10, 0, - 10 ),
|
|
|
+ new Vector3( 20, 0, 0 ), new Vector3( 30, 0, 10 ),
|
|
|
+ new Vector3( 30, 0, 20 ), new Vector3( 20, 0, 30 ),
|
|
|
+ new Vector3( 10, 0, 30 ), new Vector3( 0, 0, 30 ),
|
|
|
+ new Vector3( - 10, 10, 30 ), new Vector3( - 10, 20, 30 ),
|
|
|
+ new Vector3( 0, 30, 30 ), new Vector3( 10, 30, 30 ),
|
|
|
+ new Vector3( 20, 30, 15 ), new Vector3( 10, 30, 10 ),
|
|
|
+ new Vector3( 0, 30, 10 ), new Vector3( - 10, 20, 10 ),
|
|
|
+ new Vector3( - 10, 10, 10 ), new Vector3( 0, 0, 10 ),
|
|
|
+ new Vector3( 10, - 10, 10 ), new Vector3( 20, - 15, 10 ),
|
|
|
+ new Vector3( 30, - 15, 10 ), new Vector3( 40, - 15, 10 ),
|
|
|
+ new Vector3( 50, - 15, 10 ), new Vector3( 60, 0, 10 ),
|
|
|
+ new Vector3( 70, 0, 0 ), new Vector3( 80, 0, 0 ),
|
|
|
+ new Vector3( 90, 0, 0 ), new Vector3( 100, 0, 0 )
|
|
|
+ ] );
|
|
|
+
|
|
|
+ var sampleClosedSpline = new CatmullRomCurve3( [
|
|
|
+ new Vector3( 0, - 40, - 40 ),
|
|
|
+ new Vector3( 0, 40, - 40 ),
|
|
|
+ new Vector3( 0, 140, - 40 ),
|
|
|
+ new Vector3( 0, 40, 40 ),
|
|
|
+ new Vector3( 0, - 40, 40 )
|
|
|
+ ] );
|
|
|
+
|
|
|
+ sampleClosedSpline.curveType = 'catmullrom';
|
|
|
+ sampleClosedSpline.closed = true;
|
|
|
+
|
|
|
+ // Keep a dictionary of Curve instances
|
|
|
+ var splines = {
|
|
|
+ GrannyKnot: new Curves.GrannyKnot(),
|
|
|
+ HeartCurve: new Curves.HeartCurve( 3.5 ),
|
|
|
+ VivianiCurve: new Curves.VivianiCurve( 70 ),
|
|
|
+ KnotCurve: new Curves.KnotCurve(),
|
|
|
+ HelixCurve: new Curves.HelixCurve(),
|
|
|
+ TrefoilKnot: new Curves.TrefoilKnot(),
|
|
|
+ TorusKnot: new Curves.TorusKnot( 20 ),
|
|
|
+ CinquefoilKnot: new Curves.CinquefoilKnot( 20 ),
|
|
|
+ TrefoilPolynomialKnot: new Curves.TrefoilPolynomialKnot( 14 ),
|
|
|
+ FigureEightPolynomialKnot: new Curves.FigureEightPolynomialKnot(),
|
|
|
+ DecoratedTorusKnot4a: new Curves.DecoratedTorusKnot4a(),
|
|
|
+ DecoratedTorusKnot4b: new Curves.DecoratedTorusKnot4b(),
|
|
|
+ DecoratedTorusKnot5a: new Curves.DecoratedTorusKnot5a(),
|
|
|
+ DecoratedTorusKnot5c: new Curves.DecoratedTorusKnot5c(),
|
|
|
+ PipeSpline: pipeSpline,
|
|
|
+ SampleClosedSpline: sampleClosedSpline
|
|
|
+ };
|
|
|
+
|
|
|
+ var parent, tubeGeometry, mesh;
|
|
|
+
|
|
|
+ var params = {
|
|
|
+ spline: 'GrannyKnot',
|
|
|
+ scale: 4,
|
|
|
+ extrusionSegments: 100,
|
|
|
+ radiusSegments: 3,
|
|
|
+ closed: true,
|
|
|
+ animationView: false,
|
|
|
+ lookAhead: false,
|
|
|
+ cameraHelper: false,
|
|
|
+ };
|
|
|
+
|
|
|
+ var material = new MeshLambertMaterial( { color: 0xff00ff } );
|
|
|
+
|
|
|
+ var wireframeMaterial = new MeshBasicMaterial( { color: 0x000000, opacity: 0.3, wireframe: true, transparent: true } );
|
|
|
+
|
|
|
+ function addTube() {
|
|
|
+
|
|
|
+ if ( mesh !== undefined ) {
|
|
|
+
|
|
|
+ parent.remove( mesh );
|
|
|
+ mesh.geometry.dispose();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var extrudePath = splines[ params.spline ];
|
|
|
+
|
|
|
+ tubeGeometry = new TubeBufferGeometry( extrudePath, params.extrusionSegments, 2, params.radiusSegments, params.closed );
|
|
|
+
|
|
|
+ addGeometry( tubeGeometry );
|
|
|
|
|
|
- }
|
|
|
-
|
|
|
- var extrudePath = splines[ params.spline ];
|
|
|
-
|
|
|
- tubeGeometry = new THREE.TubeBufferGeometry( extrudePath, params.extrusionSegments, 2, params.radiusSegments, params.closed );
|
|
|
-
|
|
|
- addGeometry( tubeGeometry );
|
|
|
-
|
|
|
- setScale();
|
|
|
+ setScale();
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- function setScale() {
|
|
|
+ function setScale() {
|
|
|
|
|
|
- mesh.scale.set( params.scale, params.scale, params.scale );
|
|
|
+ mesh.scale.set( params.scale, params.scale, params.scale );
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
|
|
|
- function addGeometry( geometry ) {
|
|
|
+ function addGeometry( geometry ) {
|
|
|
|
|
|
- // 3D shape
|
|
|
+ // 3D shape
|
|
|
|
|
|
- mesh = new THREE.Mesh( geometry, material );
|
|
|
- var wireframe = new THREE.Mesh( geometry, wireframeMaterial );
|
|
|
- mesh.add( wireframe );
|
|
|
+ mesh = new Mesh( geometry, material );
|
|
|
+ var wireframe = new Mesh( geometry, wireframeMaterial );
|
|
|
+ mesh.add( wireframe );
|
|
|
|
|
|
- parent.add( mesh );
|
|
|
+ parent.add( mesh );
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- function animateCamera() {
|
|
|
+ function animateCamera() {
|
|
|
|
|
|
- cameraHelper.visible = params.cameraHelper;
|
|
|
- cameraEye.visible = params.cameraHelper;
|
|
|
+ cameraHelper.visible = params.cameraHelper;
|
|
|
+ cameraEye.visible = params.cameraHelper;
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- init();
|
|
|
- animate();
|
|
|
+ init();
|
|
|
+ animate();
|
|
|
|
|
|
- function init() {
|
|
|
+ function init() {
|
|
|
|
|
|
- container = document.getElementById( 'container' );
|
|
|
+ container = document.getElementById( 'container' );
|
|
|
|
|
|
- // camera
|
|
|
+ // camera
|
|
|
|
|
|
- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 10000 );
|
|
|
- camera.position.set( 0, 50, 500 );
|
|
|
+ camera = new PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 10000 );
|
|
|
+ camera.position.set( 0, 50, 500 );
|
|
|
|
|
|
- // scene
|
|
|
+ // scene
|
|
|
|
|
|
- scene = new THREE.Scene();
|
|
|
- scene.background = new THREE.Color( 0xf0f0f0 );
|
|
|
+ scene = new Scene();
|
|
|
+ scene.background = new Color( 0xf0f0f0 );
|
|
|
|
|
|
- // light
|
|
|
+ // light
|
|
|
|
|
|
- var light = new THREE.DirectionalLight( 0xffffff );
|
|
|
- light.position.set( 0, 0, 1 );
|
|
|
- scene.add( light );
|
|
|
+ var light = new DirectionalLight( 0xffffff );
|
|
|
+ light.position.set( 0, 0, 1 );
|
|
|
+ scene.add( light );
|
|
|
|
|
|
- // tube
|
|
|
+ // tube
|
|
|
|
|
|
- parent = new THREE.Object3D();
|
|
|
- scene.add( parent );
|
|
|
+ parent = new Object3D();
|
|
|
+ scene.add( parent );
|
|
|
|
|
|
- splineCamera = new THREE.PerspectiveCamera( 84, window.innerWidth / window.innerHeight, 0.01, 1000 );
|
|
|
- parent.add( splineCamera );
|
|
|
+ splineCamera = new PerspectiveCamera( 84, window.innerWidth / window.innerHeight, 0.01, 1000 );
|
|
|
+ parent.add( splineCamera );
|
|
|
|
|
|
- cameraHelper = new THREE.CameraHelper( splineCamera );
|
|
|
- scene.add( cameraHelper );
|
|
|
+ cameraHelper = new CameraHelper( splineCamera );
|
|
|
+ scene.add( cameraHelper );
|
|
|
|
|
|
- addTube();
|
|
|
+ addTube();
|
|
|
|
|
|
- // debug camera
|
|
|
+ // debug camera
|
|
|
|
|
|
- cameraEye = new THREE.Mesh( new THREE.SphereBufferGeometry( 5 ), new THREE.MeshBasicMaterial( { color: 0xdddddd } ) );
|
|
|
- parent.add( cameraEye );
|
|
|
+ cameraEye = new Mesh( new SphereBufferGeometry( 5 ), new MeshBasicMaterial( { color: 0xdddddd } ) );
|
|
|
+ parent.add( cameraEye );
|
|
|
|
|
|
- cameraHelper.visible = params.cameraHelper;
|
|
|
- cameraEye.visible = params.cameraHelper;
|
|
|
+ cameraHelper.visible = params.cameraHelper;
|
|
|
+ cameraEye.visible = params.cameraHelper;
|
|
|
|
|
|
- // renderer
|
|
|
+ // renderer
|
|
|
|
|
|
- renderer = new THREE.WebGLRenderer( { antialias: true } );
|
|
|
- renderer.setPixelRatio( window.devicePixelRatio );
|
|
|
- renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
- container.appendChild( renderer.domElement );
|
|
|
+ renderer = new WebGLRenderer( { antialias: true } );
|
|
|
+ renderer.setPixelRatio( window.devicePixelRatio );
|
|
|
+ renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
+ container.appendChild( renderer.domElement );
|
|
|
|
|
|
- // stats
|
|
|
+ // stats
|
|
|
|
|
|
- stats = new Stats();
|
|
|
- container.appendChild( stats.dom );
|
|
|
+ stats = new Stats();
|
|
|
+ container.appendChild( stats.dom );
|
|
|
|
|
|
- // dat.GUI
|
|
|
+ // dat.GUI
|
|
|
|
|
|
- var gui = new dat.GUI( { width: 300 } );
|
|
|
+ var gui = new GUI( { width: 300 } );
|
|
|
|
|
|
- var folderGeometry = gui.addFolder( 'Geometry' );
|
|
|
- folderGeometry.add( params, 'spline', Object.keys( splines ) ).onChange( function () {
|
|
|
+ var folderGeometry = gui.addFolder( 'Geometry' );
|
|
|
+ folderGeometry.add( params, 'spline', Object.keys( splines ) ).onChange( function () {
|
|
|
|
|
|
- addTube();
|
|
|
+ addTube();
|
|
|
|
|
|
- } );
|
|
|
- folderGeometry.add( params, 'scale', 2, 10 ).step( 2 ).onChange( function () {
|
|
|
+ } );
|
|
|
+ folderGeometry.add( params, 'scale', 2, 10 ).step( 2 ).onChange( function () {
|
|
|
|
|
|
- setScale();
|
|
|
+ setScale();
|
|
|
|
|
|
- } );
|
|
|
- folderGeometry.add( params, 'extrusionSegments', 50, 500 ).step( 50 ).onChange( function () {
|
|
|
+ } );
|
|
|
+ folderGeometry.add( params, 'extrusionSegments', 50, 500 ).step( 50 ).onChange( function () {
|
|
|
|
|
|
- addTube();
|
|
|
+ addTube();
|
|
|
|
|
|
- } );
|
|
|
- folderGeometry.add( params, 'radiusSegments', 2, 12 ).step( 1 ).onChange( function () {
|
|
|
+ } );
|
|
|
+ folderGeometry.add( params, 'radiusSegments', 2, 12 ).step( 1 ).onChange( function () {
|
|
|
|
|
|
- addTube();
|
|
|
+ addTube();
|
|
|
|
|
|
- } );
|
|
|
- folderGeometry.add( params, 'closed' ).onChange( function () {
|
|
|
+ } );
|
|
|
+ folderGeometry.add( params, 'closed' ).onChange( function () {
|
|
|
|
|
|
- addTube();
|
|
|
+ addTube();
|
|
|
|
|
|
- } );
|
|
|
- folderGeometry.open();
|
|
|
+ } );
|
|
|
+ folderGeometry.open();
|
|
|
|
|
|
- var folderCamera = gui.addFolder( 'Camera' );
|
|
|
- folderCamera.add( params, 'animationView' ).onChange( function () {
|
|
|
+ var folderCamera = gui.addFolder( 'Camera' );
|
|
|
+ folderCamera.add( params, 'animationView' ).onChange( function () {
|
|
|
|
|
|
- animateCamera();
|
|
|
+ animateCamera();
|
|
|
|
|
|
- } );
|
|
|
- folderCamera.add( params, 'lookAhead' ).onChange( function () {
|
|
|
+ } );
|
|
|
+ folderCamera.add( params, 'lookAhead' ).onChange( function () {
|
|
|
|
|
|
- animateCamera();
|
|
|
+ animateCamera();
|
|
|
|
|
|
- } );
|
|
|
- folderCamera.add( params, 'cameraHelper' ).onChange( function () {
|
|
|
+ } );
|
|
|
+ folderCamera.add( params, 'cameraHelper' ).onChange( function () {
|
|
|
|
|
|
- animateCamera();
|
|
|
+ animateCamera();
|
|
|
|
|
|
- } );
|
|
|
- folderCamera.open();
|
|
|
+ } );
|
|
|
+ folderCamera.open();
|
|
|
|
|
|
- var controls = new THREE.OrbitControls( camera, renderer.domElement );
|
|
|
+ var controls = new OrbitControls( camera, renderer.domElement );
|
|
|
|
|
|
- window.addEventListener( 'resize', onWindowResize, false );
|
|
|
+ window.addEventListener( 'resize', onWindowResize, false );
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- function onWindowResize() {
|
|
|
+ function onWindowResize() {
|
|
|
|
|
|
- camera.aspect = window.innerWidth / window.innerHeight;
|
|
|
- camera.updateProjectionMatrix();
|
|
|
+ camera.aspect = window.innerWidth / window.innerHeight;
|
|
|
+ camera.updateProjectionMatrix();
|
|
|
|
|
|
- renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
+ renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- //
|
|
|
+ //
|
|
|
|
|
|
- function animate() {
|
|
|
+ function animate() {
|
|
|
|
|
|
- requestAnimationFrame( animate );
|
|
|
+ requestAnimationFrame( animate );
|
|
|
|
|
|
- render();
|
|
|
- stats.update();
|
|
|
+ render();
|
|
|
+ stats.update();
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- function render() {
|
|
|
+ function render() {
|
|
|
|
|
|
- // animate camera along spline
|
|
|
+ // animate camera along spline
|
|
|
|
|
|
- var time = Date.now();
|
|
|
- var looptime = 20 * 1000;
|
|
|
- var t = ( time % looptime ) / looptime;
|
|
|
+ var time = Date.now();
|
|
|
+ var looptime = 20 * 1000;
|
|
|
+ var t = ( time % looptime ) / looptime;
|
|
|
|
|
|
- var pos = tubeGeometry.parameters.path.getPointAt( t );
|
|
|
- pos.multiplyScalar( params.scale );
|
|
|
+ var pos = tubeGeometry.parameters.path.getPointAt( t );
|
|
|
+ pos.multiplyScalar( params.scale );
|
|
|
|
|
|
- // interpolation
|
|
|
+ // interpolation
|
|
|
|
|
|
- var segments = tubeGeometry.tangents.length;
|
|
|
- var pickt = t * segments;
|
|
|
- var pick = Math.floor( pickt );
|
|
|
- var pickNext = ( pick + 1 ) % segments;
|
|
|
+ var segments = tubeGeometry.tangents.length;
|
|
|
+ var pickt = t * segments;
|
|
|
+ var pick = Math.floor( pickt );
|
|
|
+ var pickNext = ( pick + 1 ) % segments;
|
|
|
|
|
|
- binormal.subVectors( tubeGeometry.binormals[ pickNext ], tubeGeometry.binormals[ pick ] );
|
|
|
- binormal.multiplyScalar( pickt - pick ).add( tubeGeometry.binormals[ pick ] );
|
|
|
+ binormal.subVectors( tubeGeometry.binormals[ pickNext ], tubeGeometry.binormals[ pick ] );
|
|
|
+ binormal.multiplyScalar( pickt - pick ).add( tubeGeometry.binormals[ pick ] );
|
|
|
|
|
|
- var dir = tubeGeometry.parameters.path.getTangentAt( t );
|
|
|
- var offset = 15;
|
|
|
+ var dir = tubeGeometry.parameters.path.getTangentAt( t );
|
|
|
+ var offset = 15;
|
|
|
|
|
|
- normal.copy( binormal ).cross( dir );
|
|
|
+ normal.copy( binormal ).cross( dir );
|
|
|
|
|
|
- // we move on a offset on its binormal
|
|
|
+ // we move on a offset on its binormal
|
|
|
|
|
|
- pos.add( normal.clone().multiplyScalar( offset ) );
|
|
|
+ pos.add( normal.clone().multiplyScalar( offset ) );
|
|
|
|
|
|
- splineCamera.position.copy( pos );
|
|
|
- cameraEye.position.copy( pos );
|
|
|
+ splineCamera.position.copy( pos );
|
|
|
+ cameraEye.position.copy( pos );
|
|
|
|
|
|
- // using arclength for stablization in look ahead
|
|
|
+ // using arclength for stablization in look ahead
|
|
|
|
|
|
- var lookAt = tubeGeometry.parameters.path.getPointAt( ( t + 30 / tubeGeometry.parameters.path.getLength() ) % 1 ).multiplyScalar( params.scale );
|
|
|
+ var lookAt = tubeGeometry.parameters.path.getPointAt( ( t + 30 / tubeGeometry.parameters.path.getLength() ) % 1 ).multiplyScalar( params.scale );
|
|
|
|
|
|
- // camera orientation 2 - up orientation via normal
|
|
|
+ // camera orientation 2 - up orientation via normal
|
|
|
|
|
|
- if ( ! params.lookAhead ) lookAt.copy( pos ).add( dir );
|
|
|
- splineCamera.matrix.lookAt( splineCamera.position, lookAt, normal );
|
|
|
- splineCamera.rotation.setFromRotationMatrix( splineCamera.matrix, splineCamera.rotation.order );
|
|
|
+ if ( ! params.lookAhead ) lookAt.copy( pos ).add( dir );
|
|
|
+ splineCamera.matrix.lookAt( splineCamera.position, lookAt, normal );
|
|
|
+ splineCamera.rotation.setFromRotationMatrix( splineCamera.matrix, splineCamera.rotation.order );
|
|
|
|
|
|
- cameraHelper.update();
|
|
|
+ cameraHelper.update();
|
|
|
|
|
|
- renderer.render( scene, params.animationView === true ? splineCamera : camera );
|
|
|
+ renderer.render( scene, params.animationView === true ? splineCamera : camera );
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- </script>
|
|
|
+ </script>
|
|
|
</body>
|
|
|
</html>
|