three.js添加场景背景和天空盒（skybox）代码示例3

使用cubemap来实现天空盒

three.js, background, skybox

《aframe.js 3d拼图代码详解》作品已被踏得网收录！

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作品简介 20105
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HTML
CSS
JavaScript
Result

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JavaScript

编译

CSS

HTML

<canvas id="c"></canvas>
<script type="module">
import * as THREE from '//techbrood.com/threejs/build/three.module.js';
import {OrbitControls} from '//techbrood.com/threejs/examples/jsm/controls/OrbitControls.js';

function main() {
  const canvas = document.querySelector('#c');
  const renderer = new THREE.WebGLRenderer({canvas});
  renderer.autoClearColor = false;

const fov = 75;
  const aspect = 2;  // the canvas default
  const near = 0.1;
  const far = 100;
  const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
  camera.position.z = 3;

const controls = new OrbitControls(camera, canvas);
  controls.target.set(0, 0, 0);
  controls.update();

const scene = new THREE.Scene();

{
    const color = 0xFFFFFF;
    const intensity = 1;
    const light = new THREE.DirectionalLight(color, intensity);
    light.position.set(-1, 2, 4);
    scene.add(light);
  }

const boxWidth = 1;
  const boxHeight = 1;
  const boxDepth = 1;
  const geometry = new THREE.BoxGeometry(boxWidth, boxHeight, boxDepth);

function makeInstance(geometry, color, x) {
    const material = new THREE.MeshPhongMaterial({color});

const cube = new THREE.Mesh(geometry, material);
    scene.add(cube);

cube.position.x = x;

return cube;
  }

const cubes = [
    makeInstance(geometry, 0x44aa88,  0),
    makeInstance(geometry, 0x8844aa, -2),
    makeInstance(geometry, 0xaa8844,  2),
  ];

{
    const loader = new THREE.CubeTextureLoader();
    const texture = loader.load([
      '/uploads/1911/pos-x.jpg',
      '/uploads/1911/neg-x.jpg',
      '/uploads/1911/pos-y.jpg',
      '/uploads/1911/neg-y.jpg',
      '/uploads/1911/pos-z.jpg',
      '/uploads/1911/neg-z.jpg',
    ]);
    scene.background = texture;
  }

function resizeRendererToDisplaySize(renderer) {
    const canvas = renderer.domElement;
    const width = canvas.clientWidth;
    const height = canvas.clientHeight;
    const needResize = canvas.width !== width || canvas.height !== height;
    if (needResize) {
      renderer.setSize(width, height, false);
    }
    return needResize;
  }

function render(time) {
    time *= 0.001;

if (resizeRendererToDisplaySize(renderer)) {
      const canvas = renderer.domElement;
      camera.aspect = canvas.clientWidth / canvas.clientHeight;
      camera.updateProjectionMatrix();
    }

cubes.forEach((cube, ndx) => {
      const speed = 1 + ndx * .1;
      const rot = time * speed;
      cube.rotation.x = rot;
      cube.rotation.y = rot;
    });

renderer.render(scene, camera);

requestAnimationFrame(render);
  }

requestAnimationFrame(render);
}

main();
</script>

使用cubemap来实现天空盒

three.js, background, skybox

编辑器支持Emmet

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使用cubemap来实现天空盒

three.js, background, skybox

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编辑器支持Emmet

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