three.js教程：使用webvr.js构建webvr应用（支持3DOF操作和点选）

cubes with three.js and webvr.js，本案例演示如何使用three.js构建vr（xr）场景。

three, webxr, vr, 3dof

《three.js如何实现贴图模糊效果 - 使用canvas》申请公开！

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JavaScript

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HTML

import * as THREE from '//techbrood.com/threejs/build/three.module.js';
import {WEBVR} from '//techbrood.com/threejs/examples/jsm/vr/WebVR.js';
import {SceneUtils} from '//techbrood.com/threejs/examples/jsm/utils/SceneUtils.js';

function main() {
  const canvas = document.querySelector('#c');
  const renderer = new THREE.WebGLRenderer({canvas});
  renderer.vr.enabled = true;
  document.body.appendChild(WEBVR.createButton(renderer));

const fov = 75;
  const aspect = 2;  // the canvas default
  const near = 0.1;
  const far = 50;
  const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);

const scene = new THREE.Scene();
  {
    const loader = new THREE.CubeTextureLoader();
    const texture = loader.load([
      '/uploads/1911/grid-1024.png',
      '/uploads/1911/grid-1024.png',
      '/uploads/1911/grid-1024.png',
      '/uploads/1911/grid-1024.png',
      '/uploads/1911/grid-1024.png',
      '/uploads/1911/grid-1024.png',
    ]);
    scene.background = texture;
  }

{
    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 boxGeometry = new THREE.BoxBufferGeometry(boxWidth, boxHeight, boxDepth);

const sphereRadius = 0.5;
  const sphereGeometry = new THREE.SphereBufferGeometry(sphereRadius);

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;
    cube.position.y = 1.6;
    cube.position.z = -2;

return cube;
  }

class ControllerPickHelper extends THREE.EventDispatcher {
    constructor(scene) {
      super();
      this.raycaster = new THREE.Raycaster();
      this.objectToColorMap = new Map();
      this.controllerToObjectMap = new Map();
      this.tempMatrix = new THREE.Matrix4();

const pointerGeometry = new THREE.BufferGeometry().setFromPoints([
        new THREE.Vector3(0, 0, 0),
        new THREE.Vector3(0, 0, -1),
      ]);

this.controllers = [];

const endListener = (event) => {
        const controller = event.target;
        this.dispatchEvent({type: event.type, controller});
      };

for (let i = 0; i < 2; ++i) {
        const controller = renderer.vr.getController(i);
        controller.addEventListener('select', selectListener);
        controller.addEventListener('selectstart', selectListener);
        controller.addEventListener('selectend', endListener);
        scene.add(controller);

pickHelper.addEventListener('selectend', (event) => {
    const {controller} = event;
    const selection = controllerToSelection.get(controller);
    if (selection) {
      controllerToSelection.delete(controller);
      SceneUtils.detach(selection.object, controller, scene);
      SceneUtils.attach(selection.object, scene, selection.parent);
    }
  });

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 (!renderer.vr.isPresenting() && resizeRendererToDisplaySize(renderer)) {
      const canvas = renderer.domElement;
      camera.aspect = canvas.clientWidth / canvas.clientHeight;
      camera.updateProjectionMatrix();
    }

let ndx = 0;
    for (const mesh of meshToMeshMap.keys()) {
      const speed = 1 + ndx * .1;
      const rot = time * speed;
      mesh.rotation.x = rot;
      mesh.rotation.y = rot;
      ++ndx;
    }

pickHelper.update(scene, time);

renderer.render(scene, camera);
  }

renderer.setAnimationLoop(render);
}

main();

</script>

cubes with three.js and webvr.js，本案例演示如何使用three.js构建vr（xr）场景。

three, webxr, vr, 3dof

编辑器支持Emmet

快捷键

cubes with three.js and webvr.js，本案例演示如何使用three.js构建vr（xr）场景。

three, webxr, vr, 3dof

three.js教程：使用索引贴图实现地图区域选中和着色

three.js使用Points和RawShaderMaterial实现高性能3D点云

编辑器支持Emmet

快捷键

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