|
|
@@ -1,238 +0,0 @@
|
|
|
-<!DOCTYPE html>
|
|
|
-<html lang="en">
|
|
|
- <head>
|
|
|
- <title>three.js webgl - geometries</title>
|
|
|
- <meta charset="utf-8">
|
|
|
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
|
|
- <style>
|
|
|
- body {
|
|
|
- font-family: Monospace;
|
|
|
- background-color: #000;
|
|
|
- margin: 0px;
|
|
|
- overflow: hidden;
|
|
|
- }
|
|
|
- </style>
|
|
|
- </head>
|
|
|
- <body>
|
|
|
-
|
|
|
- <script src="../build/three.js"></script>
|
|
|
-
|
|
|
- <script src="js/Detector.js"></script>
|
|
|
- <script src="js/libs/stats.min.js"></script>
|
|
|
-
|
|
|
- <script>
|
|
|
-
|
|
|
- if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
|
|
|
-
|
|
|
- var container, stats;
|
|
|
-
|
|
|
- var camera, scene, renderer;
|
|
|
-
|
|
|
- init();
|
|
|
- animate();
|
|
|
-
|
|
|
- function init() {
|
|
|
-
|
|
|
- container = document.createElement( 'div' );
|
|
|
- document.body.appendChild( container );
|
|
|
-
|
|
|
- camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
|
|
|
- camera.position.y = 300;
|
|
|
- camera.position.z = 300;
|
|
|
-
|
|
|
- scene = new THREE.Scene();
|
|
|
- camera.lookAt( scene.position );
|
|
|
-
|
|
|
- var light, object;
|
|
|
-
|
|
|
- scene.add( new THREE.AmbientLight( 0x808080 ) );
|
|
|
-
|
|
|
- light = new THREE.DirectionalLight( 0xffffff );
|
|
|
- light.position.set( 0, 1, 0 );
|
|
|
- scene.add( light );
|
|
|
-
|
|
|
- // var material = new THREE.MeshLambertMaterial( {
|
|
|
- var material = new THREE.MeshPhongMaterial( {
|
|
|
- vertexColors: THREE.VertexColors,
|
|
|
- side: THREE.DoubleSide
|
|
|
- } );
|
|
|
-
|
|
|
- // create sphere colored with sphericalDist values
|
|
|
-
|
|
|
- var numSphereSegments = 100;
|
|
|
-
|
|
|
- var dist;
|
|
|
- var geom;
|
|
|
- var baseDist = new THREE.CosineSphericalDistribution();
|
|
|
-
|
|
|
- dist = new THREE.LinearlyTransformedSphericalDistribution(baseDist)
|
|
|
- .shear(-0.5, 0.0, 0.0);
|
|
|
- geom = new THREE.SphereGeometry( 20, numSphereSegments, numSphereSegments );
|
|
|
- colorSphereWithDistributionValues(geom, dist);
|
|
|
- object = new THREE.Mesh( geom, material );
|
|
|
- object.position.set( -100, 0, 0 );
|
|
|
- object.rotation.set( -Math.PI / 2.0, 0.0, 0.0 );
|
|
|
- scene.add( object );
|
|
|
-
|
|
|
- dist = new THREE.LinearlyTransformedSphericalDistribution(baseDist)
|
|
|
- .scale(0.5, 1.0, 1.0);
|
|
|
- geom = new THREE.SphereGeometry( 20, numSphereSegments, numSphereSegments );
|
|
|
- colorSphereWithDistributionValues(geom, dist);
|
|
|
- object = new THREE.Mesh( geom, material );
|
|
|
- object.position.set( -50, 0, 0 );
|
|
|
- object.rotation.set( -Math.PI / 2.0, 0.0, 0.0 );
|
|
|
- scene.add( object );
|
|
|
-
|
|
|
- dist = new THREE.CosineSphericalDistribution();
|
|
|
- geom = new THREE.SphereGeometry( 20, numSphereSegments, numSphereSegments );
|
|
|
- colorSphereWithDistributionValues(geom, dist);
|
|
|
- object = new THREE.Mesh( geom, material );
|
|
|
- object.position.set( 0, 0, 0 );
|
|
|
- object.rotation.set( -Math.PI / 2.0, 0.0, 0.0 );
|
|
|
- scene.add( object );
|
|
|
-
|
|
|
- dist = new THREE.LinearlyTransformedSphericalDistribution(baseDist)
|
|
|
- .scale(1.0, 0.5, 1.0);
|
|
|
- geom = new THREE.SphereGeometry( 20, numSphereSegments, numSphereSegments );
|
|
|
- colorSphereWithDistributionValues(geom, dist);
|
|
|
- object = new THREE.Mesh( geom, material );
|
|
|
- object.position.set( 50, 0, 0 );
|
|
|
- object.rotation.set( -Math.PI / 2.0, 0.0, 0.0 );
|
|
|
- scene.add( object );
|
|
|
-
|
|
|
- dist = new THREE.LinearlyTransformedSphericalDistribution(baseDist)
|
|
|
- .shear(0.0, -0.5, 0.0);
|
|
|
- geom = new THREE.SphereGeometry( 20, numSphereSegments, numSphereSegments );
|
|
|
- colorSphereWithDistributionValues(geom, dist);
|
|
|
- object = new THREE.Mesh( geom, material );
|
|
|
- object.position.set( 100, 0, 0 );
|
|
|
- object.rotation.set( -Math.PI / 2.0, 0.0, 0.0 );
|
|
|
- scene.add( object );
|
|
|
-
|
|
|
- //
|
|
|
-
|
|
|
- renderer = new THREE.WebGLRenderer( { antialias: true } );
|
|
|
- renderer.setPixelRatio( window.devicePixelRatio );
|
|
|
- renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
-
|
|
|
- container.appendChild( renderer.domElement );
|
|
|
-
|
|
|
- stats = new Stats();
|
|
|
- container.appendChild( stats.dom );
|
|
|
-
|
|
|
- //
|
|
|
-
|
|
|
- window.addEventListener( 'resize', onWindowResize, false );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function colorSphereWithDistributionValues(geom, dist) {
|
|
|
-
|
|
|
- var maxVal = 0.65;
|
|
|
- var sum = 0.0;
|
|
|
-
|
|
|
- var values = [];
|
|
|
-
|
|
|
- // calc dist values, and note max value to map colors
|
|
|
- for ( var i = 0; i < geom.faces.length; i ++ ) {
|
|
|
-
|
|
|
- values.push({});
|
|
|
- var face = geom.faces[ i ];
|
|
|
-
|
|
|
- for ( var j = 0; j < 3; j ++ ) {
|
|
|
- var faceIdx = [ 'a', 'b', 'c' ][ j ];
|
|
|
- var pos = geom.vertices[ face[ faceIdx ] ];
|
|
|
-
|
|
|
- var distValue = dist.valueAtPosVec3( pos );
|
|
|
-
|
|
|
- // sum += distValue;
|
|
|
- // maxVal = Math.max(maxVal, distValue);
|
|
|
-
|
|
|
- values[i][faceIdx] = distValue;
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- console.log('max: ' + maxVal);
|
|
|
- console.log('sum: ' + sum);
|
|
|
-
|
|
|
- // set colors using maxValue to interpolate properly
|
|
|
- for ( var i = 0; i < geom.faces.length; i ++ ) {
|
|
|
-
|
|
|
- var face = geom.faces[ i ];
|
|
|
-
|
|
|
- for ( var j = 0; j < 3; j ++ ) {
|
|
|
-
|
|
|
- var red = new THREE.Color( 'red' );
|
|
|
- var blue = new THREE.Color( 'blue' );
|
|
|
- var white = new THREE.Color( 'white' );
|
|
|
-
|
|
|
- var faceIdx = [ 'a', 'b', 'c' ][ j ];
|
|
|
- var distValue = values[i][faceIdx] / maxVal;
|
|
|
-
|
|
|
- var color;
|
|
|
- if (distValue > 0.5) {
|
|
|
-
|
|
|
- // 1.0 -> 0.5: red -> white
|
|
|
- color = red.lerp( white, 1.0 - ( ( distValue - 0.5 ) * 2.0 ) );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- // 0.5 -> 0.0: white -> blue
|
|
|
- color = blue.lerp( white, distValue * 2.0 );
|
|
|
-
|
|
|
- }
|
|
|
- face.vertexColors[ j ] = color;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- geom.colorsNeedUpdate = true;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function onWindowResize() {
|
|
|
-
|
|
|
- camera.aspect = window.innerWidth / window.innerHeight;
|
|
|
- camera.updateProjectionMatrix();
|
|
|
-
|
|
|
- renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- //
|
|
|
-
|
|
|
- function animate() {
|
|
|
-
|
|
|
- requestAnimationFrame( animate );
|
|
|
-
|
|
|
- render();
|
|
|
- stats.update();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function render() {
|
|
|
-
|
|
|
- var timer = Date.now() * 0.0001;
|
|
|
-
|
|
|
- // camera.position.x = Math.cos( timer ) * 800;
|
|
|
- // camera.position.z = Math.sin( timer ) * 800;
|
|
|
-
|
|
|
- // camera.lookAt( scene.position );
|
|
|
-
|
|
|
- // for ( var i = 0, l = scene.children.length; i < l; i ++ ) {
|
|
|
-
|
|
|
- // var object = scene.children[ i ];
|
|
|
-
|
|
|
- // object.rotation.x = timer * 5;
|
|
|
- // object.rotation.y = timer * 2.5;
|
|
|
-
|
|
|
- // }
|
|
|
-
|
|
|
- renderer.render( scene, camera );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- </script>
|
|
|
-
|
|
|
- </body>
|
|
|
-</html>
|
Mr.doob