|
|
@@ -11,39 +11,42 @@
|
|
|
margin: 0px;
|
|
|
overflow: hidden;
|
|
|
}
|
|
|
+
|
|
|
+ #info {
|
|
|
+ position: absolute;
|
|
|
+ top: 0px;
|
|
|
+ width: 100%;
|
|
|
+ padding: 5px;
|
|
|
+ font-family:Monospace;
|
|
|
+ font-size:13px;
|
|
|
+ text-align:center;
|
|
|
+ }
|
|
|
</style>
|
|
|
</head>
|
|
|
<body>
|
|
|
|
|
|
+ <div id="container"></div>
|
|
|
+ <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>
|
|
|
+
|
|
|
<script src="../build/three.js"></script>
|
|
|
<script src="js/controls/OrbitControls.js"></script>
|
|
|
|
|
|
<!-- where curves formulas are defined -->
|
|
|
+
|
|
|
<script src="js/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 text, plane;
|
|
|
-
|
|
|
- var targetRotation = 0;
|
|
|
- var targetRotationOnMouseDown = 0;
|
|
|
-
|
|
|
- var mouseX = 0;
|
|
|
- var mouseXOnMouseDown = 0;
|
|
|
-
|
|
|
- var windowHalfX = window.innerWidth / 2;
|
|
|
- var windowHalfY = window.innerHeight / 2;
|
|
|
-
|
|
|
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 ),
|
|
|
@@ -92,41 +95,26 @@
|
|
|
SampleClosedSpline: sampleClosedSpline
|
|
|
};
|
|
|
|
|
|
- extrudePath = new THREE.Curves.TrefoilKnot();
|
|
|
-
|
|
|
- var dropdown = '<select id="dropdown" onchange="addTube(this.value)">';
|
|
|
-
|
|
|
- var s;
|
|
|
- for ( s in splines ) {
|
|
|
-
|
|
|
- dropdown += '<option value="' + s + '"';
|
|
|
- dropdown += '>' + s + '</option>';
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- dropdown += '</select>';
|
|
|
-
|
|
|
- var closed2 = true;
|
|
|
- var parent;
|
|
|
- var tube, tubeMesh;
|
|
|
- var animation = false, lookAhead = false;
|
|
|
- var scale;
|
|
|
- var showCameraHelper = false;
|
|
|
+ var parent, tube, tubeMesh;
|
|
|
+
|
|
|
+ var params = {
|
|
|
+ spline: 'GrannyKnot',
|
|
|
+ scale: 4,
|
|
|
+ extrusionSegments: 100,
|
|
|
+ radiusSegments: 3,
|
|
|
+ closed: true,
|
|
|
+ animationView: false,
|
|
|
+ lookAhead: false,
|
|
|
+ cameraHelper: false,
|
|
|
+ };
|
|
|
|
|
|
function addTube() {
|
|
|
|
|
|
- var value = document.getElementById( 'dropdown' ).value;
|
|
|
-
|
|
|
- var segments = parseInt( document.getElementById( 'segments' ).value );
|
|
|
- closed2 = document.getElementById( 'closed' ).checked;
|
|
|
-
|
|
|
- var radiusSegments = parseInt( document.getElementById( 'radiusSegments' ).value );
|
|
|
-
|
|
|
if ( tubeMesh !== undefined ) parent.remove( tubeMesh );
|
|
|
|
|
|
- extrudePath = splines[ value ];
|
|
|
+ extrudePath = splines[ params.spline ];
|
|
|
|
|
|
- tube = new THREE.TubeBufferGeometry( extrudePath, segments, 2, radiusSegments, closed2 );
|
|
|
+ tube = new THREE.TubeBufferGeometry( extrudePath, params.extrusionSegments, 2, params.radiusSegments, params.closed );
|
|
|
|
|
|
addGeometry( tube, 0xff00ff );
|
|
|
setScale();
|
|
|
@@ -135,15 +123,14 @@
|
|
|
|
|
|
function setScale() {
|
|
|
|
|
|
- scale = parseInt( document.getElementById( 'scale' ).value );
|
|
|
- tubeMesh.scale.set( scale, scale, scale );
|
|
|
+ tubeMesh.scale.set( params.scale, params.scale, params.scale );
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
function addGeometry( geometry, color ) {
|
|
|
|
|
|
- // 3d shape
|
|
|
+ // 3D shape
|
|
|
|
|
|
tubeMesh = THREE.SceneUtils.createMultiMaterialObject( geometry, [
|
|
|
new THREE.MeshLambertMaterial( {
|
|
|
@@ -160,21 +147,10 @@
|
|
|
|
|
|
}
|
|
|
|
|
|
- function animateCamera( toggle ) {
|
|
|
-
|
|
|
- if ( toggle === true ) {
|
|
|
-
|
|
|
- animation = animation === false;
|
|
|
- document.getElementById( 'animation' ).value = 'Camera Spline Animation View: ' + ( animation ? 'ON' : 'OFF' );
|
|
|
-
|
|
|
- }
|
|
|
+ function animateCamera() {
|
|
|
|
|
|
- lookAhead = document.getElementById( 'lookAhead' ).checked;
|
|
|
-
|
|
|
- showCameraHelper = document.getElementById( 'cameraHelper' ).checked;
|
|
|
-
|
|
|
- cameraHelper.visible = showCameraHelper;
|
|
|
- cameraEye.visible = showCameraHelper;
|
|
|
+ cameraHelper.visible = params.cameraHelper;
|
|
|
+ cameraEye.visible = params.cameraHelper;
|
|
|
|
|
|
}
|
|
|
|
|
|
@@ -183,38 +159,25 @@
|
|
|
|
|
|
function init() {
|
|
|
|
|
|
- container = document.createElement( 'div' );
|
|
|
- document.body.appendChild( container );
|
|
|
-
|
|
|
- var info = document.createElement( 'div' );
|
|
|
- info.style.position = 'absolute';
|
|
|
- info.style.top = '10px';
|
|
|
- info.style.width = '100%';
|
|
|
- info.style.textAlign = 'center';
|
|
|
- info.innerHTML = 'Spline Extrusion Examples by <a href="http://www.lab4games.net/zz85/blog">zz85</a><br/>Select spline:';
|
|
|
-
|
|
|
- info.innerHTML += dropdown;
|
|
|
-
|
|
|
- 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>';
|
|
|
- info.innerHTML += '<br/>Extrusion Segments: <select onchange="addTube()" id="segments"><option>50</option><option selected>100</option><option>200</option><option>400</option></select>';
|
|
|
- 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>';
|
|
|
- info.innerHTML += '<br/>Closed:<input id="closed" onchange="addTube()" type="checkbox" checked />';
|
|
|
-
|
|
|
- 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()" />';
|
|
|
-
|
|
|
- container.appendChild( info );
|
|
|
+ container = document.getElementById( 'container' );
|
|
|
|
|
|
- //
|
|
|
+ // camera
|
|
|
|
|
|
camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 10000 );
|
|
|
camera.position.set( 0, 50, 500 );
|
|
|
|
|
|
+ // scene
|
|
|
+
|
|
|
scene = new THREE.Scene();
|
|
|
|
|
|
+ // light
|
|
|
+
|
|
|
var light = new THREE.DirectionalLight( 0xffffff );
|
|
|
light.position.set( 0, 0, 1 );
|
|
|
scene.add( light );
|
|
|
|
|
|
+ // tube
|
|
|
+
|
|
|
parent = new THREE.Object3D();
|
|
|
scene.add( parent );
|
|
|
|
|
|
@@ -231,10 +194,10 @@
|
|
|
cameraEye = new THREE.Mesh( new THREE.SphereGeometry( 5 ), new THREE.MeshBasicMaterial( { color: 0xdddddd } ) );
|
|
|
parent.add( cameraEye );
|
|
|
|
|
|
- cameraHelper.visible = showCameraHelper;
|
|
|
- cameraEye.visible = showCameraHelper;
|
|
|
+ cameraHelper.visible = params.cameraHelper;
|
|
|
+ cameraEye.visible = params.cameraHelper;
|
|
|
|
|
|
- //
|
|
|
+ // renderer
|
|
|
|
|
|
renderer = new THREE.WebGLRenderer( { antialias: true } );
|
|
|
renderer.setClearColor( 0xf0f0f0 );
|
|
|
@@ -242,14 +205,34 @@
|
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
container.appendChild( renderer.domElement );
|
|
|
|
|
|
+ // stats
|
|
|
+
|
|
|
stats = new Stats();
|
|
|
container.appendChild( stats.dom );
|
|
|
|
|
|
- //
|
|
|
+ // dat.GUI
|
|
|
+
|
|
|
+ var gui = new dat.GUI( { width: 300 } );
|
|
|
+
|
|
|
+ var folderGeometry = gui.addFolder( 'Geometry' );
|
|
|
+ folderGeometry.add( params, 'spline', Object.keys( splines ) ).onChange( function( value ) { addTube(); } );
|
|
|
+ folderGeometry.add( params, 'scale', 2, 10 ).step( 2 ).onChange( function( value ) { setScale(); } );
|
|
|
+ folderGeometry.add( params, 'extrusionSegments', 50, 500 ).step( 50 ).onChange( function( value ) { addTube(); } );
|
|
|
+ folderGeometry.add( params, 'radiusSegments', 2, 12 ).step( 1 ).onChange( function( value ) { addTube(); } );
|
|
|
+ folderGeometry.add( params, 'closed').onChange( function( value ) { addTube(); } );
|
|
|
+ folderGeometry.open();
|
|
|
+
|
|
|
+ var folderCamera = gui.addFolder( 'Camera' );
|
|
|
+ folderCamera.add( params, 'animationView').onChange( function( value ) { animateCamera( true ); } );
|
|
|
+ folderCamera.add( params, 'lookAhead').onChange( function( value ) { animateCamera(); } );
|
|
|
+ folderCamera.add( params, 'cameraHelper').onChange( function( value ) { animateCamera(); } );
|
|
|
+ folderCamera.open();
|
|
|
+
|
|
|
+ // controls
|
|
|
|
|
|
controls = new THREE.OrbitControls( camera, renderer.domElement );
|
|
|
|
|
|
- //
|
|
|
+ // event listener
|
|
|
|
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
|
|
|
|
|
@@ -257,9 +240,6 @@
|
|
|
|
|
|
function onWindowResize() {
|
|
|
|
|
|
- windowHalfX = window.innerWidth / 2;
|
|
|
- windowHalfY = window.innerHeight / 2;
|
|
|
-
|
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
|
|
camera.updateProjectionMatrix();
|
|
|
|
|
|
@@ -280,15 +260,17 @@
|
|
|
|
|
|
function render() {
|
|
|
|
|
|
- // Try Animate Camera Along Spline
|
|
|
+ // animate camera along spline
|
|
|
+
|
|
|
var time = Date.now();
|
|
|
var looptime = 20 * 1000;
|
|
|
var t = ( time % looptime ) / looptime;
|
|
|
|
|
|
var pos = tube.parameters.path.getPointAt( t );
|
|
|
- pos.multiplyScalar( scale );
|
|
|
+ pos.multiplyScalar( params.scale );
|
|
|
|
|
|
// interpolation
|
|
|
+
|
|
|
var segments = tube.tangents.length;
|
|
|
var pickt = t * segments;
|
|
|
var pick = Math.floor( pickt );
|
|
|
@@ -297,33 +279,34 @@
|
|
|
binormal.subVectors( tube.binormals[ pickNext ], tube.binormals[ pick ] );
|
|
|
binormal.multiplyScalar( pickt - pick ).add( tube.binormals[ pick ] );
|
|
|
|
|
|
-
|
|
|
var dir = tube.parameters.path.getTangentAt( t );
|
|
|
-
|
|
|
var offset = 15;
|
|
|
|
|
|
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 ) );
|
|
|
|
|
|
splineCamera.position.copy( pos );
|
|
|
cameraEye.position.copy( pos );
|
|
|
|
|
|
- // Using arclength for stablization in look ahead.
|
|
|
- var lookAt = tube.parameters.path.getPointAt( ( t + 30 / tube.parameters.path.getLength() ) % 1 ).multiplyScalar( scale );
|
|
|
+ // using arclength for stablization in look ahead
|
|
|
+
|
|
|
+ var lookAt = tube.parameters.path.getPointAt( ( t + 30 / tube.parameters.path.getLength() ) % 1 ).multiplyScalar( params.scale );
|
|
|
|
|
|
- // Camera Orientation 2 - up orientation via normal
|
|
|
- if ( !lookAhead ) lookAt.copy( pos ).add( dir );
|
|
|
- splineCamera.matrix.lookAt(splineCamera.position, lookAt, 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 );
|
|
|
|
|
|
cameraHelper.update();
|
|
|
|
|
|
- renderer.render( scene, animation === true ? splineCamera : camera );
|
|
|
+ renderer.render( scene, params.animationView === true ? splineCamera : camera );
|
|
|
|
|
|
}
|
|
|
- </script>
|
|
|
|
|
|
+ </script>
|
|
|
</body>
|
|
|
</html>
|
Mugen87