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

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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - helpers</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 {
margin: 0px;
background-color: #000000;
overflow: hidden;
}
</style>
</head>
<body>
<script src="../build/three.js"></script>
<script src="js/loaders/GLTFLoader.js"></script>
<script>
var scene, renderer;
var camera, light;
var fnh, vnh;
init();
animate();
function init() {
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
//
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.z = 400;
scene = new THREE.Scene();
light = new THREE.PointLight();
light.position.set( 200, 100, 150 );
scene.add( light );
scene.add( new THREE.PointLightHelper( light, 15 ) );
var gridHelper = new THREE.GridHelper( 400, 40, 0x0000ff, 0x808080 );
gridHelper.position.y = - 150;
gridHelper.position.x = - 150;
scene.add( gridHelper );
var polarGridHelper = new THREE.PolarGridHelper( 200, 16, 8, 64, 0x0000ff, 0x808080 );
polarGridHelper.position.y = - 150;
polarGridHelper.position.x = 200;
scene.add( polarGridHelper );
var loader = new THREE.GLTFLoader();
loader.load( 'models/gltf/LeePerrySmith/LeePerrySmith.glb', function ( gltf ) {
var mesh = gltf.scene.children[ 0 ];
var group = new THREE.Group();
group.scale.multiplyScalar( 50 );
scene.add( group );
// To make sure that the matrixWorld is up to date for the boxhelpers
group.updateMatrixWorld( true );
group.add( mesh );
vnh = new THREE.VertexNormalsHelper( mesh, 5 );
scene.add( vnh );
scene.add( new THREE.BoxHelper( mesh ) );
var wireframe = new THREE.WireframeGeometry( mesh.geometry );
var line = new THREE.LineSegments( wireframe );
line.material.depthTest = false;
line.material.opacity = 0.25;
line.material.transparent = true;
line.position.x = 4;
group.add( line );
scene.add( new THREE.BoxHelper( line ) );
var edges = new THREE.EdgesGeometry( mesh.geometry );
var line = new THREE.LineSegments( edges );
line.material.depthTest = false;
line.material.opacity = 0.25;
line.material.transparent = true;
line.position.x = - 4;
group.add( line );
scene.add( new THREE.BoxHelper( line ) );
scene.add( new THREE.BoxHelper( group ) );
scene.add( new THREE.BoxHelper( scene ) );
} );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
var time = - performance.now() * 0.0003;
camera.position.x = 400 * Math.cos( time );
camera.position.z = 400 * Math.sin( time );
camera.lookAt( scene.position );
light.position.x = Math.sin( time * 1.7 ) * 300;
light.position.y = Math.cos( time * 1.5 ) * 400;
light.position.z = Math.cos( time * 1.3 ) * 300;
if ( fnh ) fnh.update();
if ( vnh ) vnh.update();
renderer.render( scene, camera );
}
</script>
</body>
</html>