123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135 |
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - performance [static]</title>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
- <link type="text/css" rel="stylesheet" href="main.css">
- <style>
- body {
- background-color: #fff;
- }
- </style>
- </head>
- <body>
- <script type="module">
- import * as THREE from '../build/three.module.js';
- import Stats from './jsm/libs/stats.module.js';
- var container, stats;
- var camera, scene, renderer;
- var mouseX = 0, mouseY = 0;
- var windowHalfX = window.innerWidth / 2;
- var windowHalfY = window.innerHeight / 2;
- document.addEventListener( 'mousemove', onDocumentMouseMove, false );
- init();
- animate();
- function init() {
- container = document.createElement( 'div' );
- document.body.appendChild( container );
- camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 10000 );
- camera.position.z = 3200;
- scene = new THREE.Scene();
- scene.background = new THREE.Color( 0xffffff );
- scene.matrixAutoUpdate = false;
- var material = new THREE.MeshNormalMaterial();
- var loader = new THREE.BufferGeometryLoader();
- loader.load( 'models/json/suzanne_buffergeometry.json', function ( geometry ) {
- geometry.computeVertexNormals();
- for ( var i = 0; i < 7700; i ++ ) {
- var mesh = new THREE.Mesh( geometry, material );
- mesh.position.x = Math.random() * 10000 - 5000;
- mesh.position.y = Math.random() * 10000 - 5000;
- mesh.position.z = Math.random() * 10000 - 5000;
- mesh.rotation.x = Math.random() * 2 * Math.PI;
- mesh.rotation.y = Math.random() * 2 * Math.PI;
- mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 50 + 100;
- mesh.matrixAutoUpdate = false;
- mesh.updateMatrix();
- scene.add( mesh );
- }
- } );
- renderer = new THREE.WebGLRenderer();
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- //renderer.sortObjects = false;
- container.appendChild( renderer.domElement );
- stats = new Stats();
- container.appendChild( stats.dom );
- //
- window.addEventListener( 'resize', onWindowResize, false );
- }
- function onWindowResize() {
- windowHalfX = window.innerWidth / 2;
- windowHalfY = window.innerHeight / 2;
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- function onDocumentMouseMove( event ) {
- mouseX = ( event.clientX - windowHalfX ) * 10;
- mouseY = ( event.clientY - windowHalfY ) * 10;
- }
- //
- function animate() {
- requestAnimationFrame( animate );
- render();
- stats.update();
- }
- function render() {
- camera.position.x += ( mouseX - camera.position.x ) * .05;
- camera.position.y += ( - mouseY - camera.position.y ) * .05;
- camera.lookAt( scene.position );
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
|