标签：ntb round code var etc 透视投影 照相机 mat lang
1 <!DOCTYPE html> 2 <html lang="en"> 3 4 <head> 5 <meta charset="UTF-8"> 6 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 7 <meta http-equiv="X-UA-Compatible" content="ie=edge"> 8 <script type="text/javascript" src="./three.js"></script> 9 <title>Document</title> 10 </head> 11 12 <body onload="init()"> 13 <canvas id="mainCanvas" width="400px" height="300px"></canvas> 14 </body> 15 <script> 16 function init() { 17 var renderer = new THREE.WebGLRenderer({ 18 canvas: document.getElementById(‘mainCanvas‘) 19 }); 20 renderer.setClearColor(0x000000); 21 var scene = new THREE.Scene(); 22 var camera = new THREE.PerspectiveCamera(30, 400 / 300, 1, 10); 23 camera.position.set(4, 3, 5); 24 scene.add(camera); 25 26 var cube = new THREE.Mesh(new THREE.CubeGeometry(2, 2, 2), 27 new THREE.MeshBasicMaterial({ 28 color: 0xff0000, 29 wireframe: true 30 }) 31 ); 32 scene.add(cube); 33 34 camera.lookAt(new THREE.Vector3(0, 0, 0)) 35 renderer.render(scene, camera); 36 } 37 </script> 38 39 </html>
《Three.js 入门指南》2.4.1- 照相机 - 透视投影demo
标签：ntb round code var etc 透视投影 照相机 mat lang
原文地址：https://www.cnblogs.com/jaycethanks/p/12026628.html
