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three.js

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three.js

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提交 9b12dddd 编写于 作者: W WestLangley
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examples/webgl_buffergeometry_constructed_from_geometry.html
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......@@ -30,7 +30,8 @@
<script type="text/javascript" src="js/controls/TrackballControls.js"></script>
</head>
<body>
<div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - buffer geometry constructed from geometry - (<a target="_blank" href="http://callum.com">author</a>)</div>
<div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - buffer geometry constructed from geometry - by <a target="_blank" href="http://callum.com">Callum Prentice</a></div>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
......@@ -42,41 +43,34 @@
function init() {
renderer = new THREE.WebGLRenderer( {
antialias: true
} );
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( 45.0, window.innerWidth / window.innerHeight, 100, 1500.0 );
camera.position.z = 480.0;
scene.add( new THREE.AmbientLight( 0x444444 ) );
var light1 = new THREE.DirectionalLight( 0x999999, 0.1 );
light1.position.set( 1, 1, 1 );
scene.add( light1 );
var light2 = new THREE.DirectionalLight( 0x999999, 1.5 );
light2.position.set( 0, -1, 0 );
scene.add( light2 );
scene.add( camera );
controls = new THREE.TrackballControls( camera, renderer.domElement );
controls.minDistance = 100.0;
controls.maxDistance = 800.0;
controls.dynamicDampingFactor = 0.1;
scene.add( new THREE.AmbientLight( 0xffffff, 0.2 ) );
var light = new THREE.PointLight( 0xffffff, 0.7 );
camera.add( light );
createScene();
stats = new Stats();
document.body.appendChild( stats.dom );
window.addEventListener( 'resize', onWindowResize, false );
createScene();
}
function createGeometry() {
......@@ -123,23 +117,25 @@
var spherical = new THREE.Spherical();
var vector = new THREE.Vector3();
var color = new THREE.Color( 0xffffff );
var heartGeometry = createGeometry();
var geometry = new THREE.Geometry();
for ( var i = 1, l = count; i <= l; i ++ ) {
var phi = Math.acos( -1 + ( 2 * i ) / l );
var phi = Math.acos( - 1 + ( 2 * i ) / l );
var theta = Math.sqrt( l * Math.PI ) * phi;
spherical.set( radius, phi, theta );
vector.setFromSpherical( spherical );
var geometry = createGeometry();
geometry.copy( heartGeometry );
geometry.lookAt( vector );
geometry.translate( vector.x, vector.y, vector.z );
var color = new THREE.Color( 0xffffff );
color.setHSL( ( i / l ), 1.0, 0.7 );
geometry.faces.forEach( function ( face, index ) {
geometry.faces.forEach( function ( face ) {
positions.push( geometry.vertices[ face.a ].x );
positions.push( geometry.vertices[ face.a ].y );
......@@ -179,10 +175,7 @@
bufferGeometry.addAttribute( 'normal', new THREE.Float32BufferAttribute( normals, 3 ) );
bufferGeometry.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
var material = new THREE.MeshPhongMaterial( {
shininess: 80,
vertexColors: THREE.VertexColors
} );
var material = new THREE.MeshPhongMaterial( { shininess: 80, vertexColors: THREE.VertexColors } );
var mesh = new THREE.Mesh( bufferGeometry, material );
scene.add( mesh );
......@@ -203,9 +196,11 @@
controls.update();
stats.update();
renderer.render( scene, camera );
}
</script>
</body>
</html>
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