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iot/projects/StudyCenter/wwwroot/lib/three.js/examples/webgl_lines_dashed.html

198 lines
3.9 KiB

<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - dashed lines</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 {
color: #ffffff;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #000000;
margin: 0px;
overflow: hidden;
}
#info {
color: #fff;
position: absolute;
top: 0px; width: 100%;
padding: 5px;
z-index:100;
}
</style>
</head>
<body>
<div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - dashed lines example</div>
<div id="container"></div>
<script src="../build/three.js"></script>
<script src="js/geometries/hilbert3D.js"></script>
<script src="js/WebGL.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( WEBGL.isWebGLAvailable() === false ) {
document.body.appendChild( WEBGL.getWebGLErrorMessage() );
}
var renderer, scene, camera, stats;
var objects = [];
var WIDTH = window.innerWidth, HEIGHT = window.innerHeight;
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera( 60, WIDTH / HEIGHT, 1, 200 );
camera.position.z = 150;
scene = new THREE.Scene();
scene.background = new THREE.Color( 0x111111 );
scene.fog = new THREE.Fog( 0x111111, 150, 200 );
var subdivisions = 6;
var recursion = 1;
var points = hilbert3D( new THREE.Vector3( 0, 0, 0 ), 25.0, recursion, 0, 1, 2, 3, 4, 5, 6, 7 );
var spline = new THREE.CatmullRomCurve3( points );
var samples = spline.getPoints( points.length * subdivisions );
var geometrySpline = new THREE.BufferGeometry().setFromPoints( samples );
var line = new THREE.Line( geometrySpline, new THREE.LineDashedMaterial( { color: 0xffffff, dashSize: 1, gapSize: 0.5 } ) );
line.computeLineDistances();
objects.push( line );
scene.add( line );
var geometryCube = cube( 50 );
var lineSegments = new THREE.LineSegments( geometryCube, new THREE.LineDashedMaterial( { color: 0xffaa00, dashSize: 3, gapSize: 1 } ) );
lineSegments.computeLineDistances();
objects.push( lineSegments );
scene.add( lineSegments );
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( WIDTH, HEIGHT );
var container = document.getElementById( 'container' );
container.appendChild( renderer.domElement );
stats = new Stats();
container.appendChild( stats.dom );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function cube( size ) {
var h = size * 0.5;
var geometry = new THREE.BufferGeometry();
var position = [];
position.push(
- h, - h, - h,
- h, h, - h,
- h, h, - h,
h, h, - h,
h, h, - h,
h, - h, - h,
h, - h, - h,
- h, - h, - h,
- h, - h, h,
- h, h, h,
- h, h, h,
h, h, h,
h, h, h,
h, - h, h,
h, - h, h,
- h, - h, h,
- h, - h, - h,
- h, - h, h,
- h, h, - h,
- h, h, h,
h, h, - h,
h, h, h,
h, - h, - h,
h, - h, h
);
geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( position, 3 ) );
return geometry;
}
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 time = Date.now() * 0.001;
scene.traverse( function ( object ) {
if ( object.isLine ) {
object.rotation.x = 0.25 * time;
object.rotation.y = 0.25 * time;
}
} );
renderer.render( scene, camera );
}
</script>
</body>
</html>