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530 lines
14 KiB
530 lines
14 KiB
2 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js vr - handinput - point and click</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
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<link type="text/css" rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> vr - handinput - point and click<br />
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(Oculus Browser 15.1+)
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import { VRButton } from 'three/addons/webxr/VRButton.js';
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import { XRControllerModelFactory } from 'three/addons/webxr/XRControllerModelFactory.js';
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import { OculusHandModel } from 'three/addons/webxr/OculusHandModel.js';
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import { OculusHandPointerModel } from 'three/addons/webxr/OculusHandPointerModel.js';
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import { createText } from 'three/addons/webxr/Text2D.js';
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import { World, System, Component, TagComponent, Types } from 'three/addons/libs/ecsy.module.js';
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class Object3D extends Component { }
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Object3D.schema = {
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object: { type: Types.Ref }
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};
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class Button extends Component { }
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Button.schema = {
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// button states: [none, hovered, pressed]
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currState: { type: Types.String, default: 'none' },
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prevState: { type: Types.String, default: 'none' },
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action: { type: Types.Ref, default: () => { } }
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};
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class ButtonSystem extends System {
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execute( /* delta, time */ ) {
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this.queries.buttons.results.forEach( entity => {
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const button = entity.getMutableComponent( Button );
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const buttonMesh = entity.getComponent( Object3D ).object;
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if ( button.currState == 'none' ) {
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buttonMesh.scale.set( 1, 1, 1 );
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} else {
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buttonMesh.scale.set( 1.1, 1.1, 1.1 );
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}
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if ( button.currState == 'pressed' && button.prevState != 'pressed' ) {
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button.action();
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}
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// preserve prevState, clear currState
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// HandRaySystem will update currState
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button.prevState = button.currState;
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button.currState = 'none';
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} );
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}
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}
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ButtonSystem.queries = {
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buttons: {
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components: [ Button ]
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}
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};
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class Intersectable extends TagComponent { }
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class HandRaySystem extends System {
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init( attributes ) {
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this.handPointers = attributes.handPointers;
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}
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execute( /* delta, time */ ) {
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this.handPointers.forEach( hp => {
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let distance = null;
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let intersectingEntity = null;
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this.queries.intersectable.results.forEach( entity => {
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const object = entity.getComponent( Object3D ).object;
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const intersections = hp.intersectObject( object, false );
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if ( intersections && intersections.length > 0 ) {
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if ( distance == null || intersections[ 0 ].distance < distance ) {
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distance = intersections[ 0 ].distance;
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intersectingEntity = entity;
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}
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}
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} );
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if ( distance ) {
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hp.setCursor( distance );
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if ( intersectingEntity.hasComponent( Button ) ) {
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const button = intersectingEntity.getMutableComponent( Button );
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if ( hp.isPinched() ) {
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button.currState = 'pressed';
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} else if ( button.currState != 'pressed' ) {
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button.currState = 'hovered';
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}
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}
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} else {
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hp.setCursor( 1.5 );
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}
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} );
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}
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}
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HandRaySystem.queries = {
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intersectable: {
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components: [ Intersectable ]
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}
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};
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class Rotating extends TagComponent { }
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class RotatingSystem extends System {
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execute( delta/*, time*/ ) {
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this.queries.rotatingObjects.results.forEach( entity => {
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const object = entity.getComponent( Object3D ).object;
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object.rotation.x += 0.4 * delta;
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object.rotation.y += 0.4 * delta;
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} );
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}
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}
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RotatingSystem.queries = {
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rotatingObjects: {
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components: [ Rotating ]
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}
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};
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class HandsInstructionText extends TagComponent { }
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class InstructionSystem extends System {
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init( attributes ) {
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this.controllers = attributes.controllers;
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}
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execute( /* delta, time */ ) {
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let visible = false;
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this.controllers.forEach( controller => {
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if ( controller.visible ) {
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visible = true;
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}
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} );
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this.queries.instructionTexts.results.forEach( entity => {
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const object = entity.getComponent( Object3D ).object;
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object.visible = visible;
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} );
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}
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}
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InstructionSystem.queries = {
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instructionTexts: {
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components: [ HandsInstructionText ]
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}
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};
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class OffsetFromCamera extends Component { }
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OffsetFromCamera.schema = {
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x: { type: Types.Number, default: 0 },
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y: { type: Types.Number, default: 0 },
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z: { type: Types.Number, default: 0 },
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};
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class NeedCalibration extends TagComponent { }
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class CalibrationSystem extends System {
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init( attributes ) {
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this.camera = attributes.camera;
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this.renderer = attributes.renderer;
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}
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execute( /* delta, time */ ) {
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this.queries.needCalibration.results.forEach( entity => {
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if ( this.renderer.xr.getSession() ) {
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const offset = entity.getComponent( OffsetFromCamera );
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const object = entity.getComponent( Object3D ).object;
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const xrCamera = this.renderer.xr.getCamera();
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object.position.x = xrCamera.position.x + offset.x;
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object.position.y = xrCamera.position.y + offset.y;
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object.position.z = xrCamera.position.z + offset.z;
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entity.removeComponent( NeedCalibration );
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}
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} );
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}
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}
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CalibrationSystem.queries = {
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needCalibration: {
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components: [ NeedCalibration ]
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}
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};
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const world = new World();
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const clock = new THREE.Clock();
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let camera, scene, renderer;
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init();
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animate();
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function makeButtonMesh( x, y, z, color ) {
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const geometry = new THREE.BoxGeometry( x, y, z );
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const material = new THREE.MeshPhongMaterial( { color: color } );
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const buttonMesh = new THREE.Mesh( geometry, material );
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buttonMesh.castShadow = true;
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buttonMesh.receiveShadow = true;
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return buttonMesh;
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}
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function init() {
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const container = document.createElement( 'div' );
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document.body.appendChild( container );
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x444444 );
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 10 );
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camera.position.set( 0, 1.2, 0.3 );
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scene.add( new THREE.HemisphereLight( 0x808080, 0x606060 ) );
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const light = new THREE.DirectionalLight( 0xffffff );
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light.position.set( 0, 6, 0 );
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light.castShadow = true;
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light.shadow.camera.top = 2;
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light.shadow.camera.bottom = - 2;
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light.shadow.camera.right = 2;
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light.shadow.camera.left = - 2;
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light.shadow.mapSize.set( 4096, 4096 );
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scene.add( light );
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.outputEncoding = THREE.sRGBEncoding;
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renderer.shadowMap.enabled = true;
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renderer.xr.enabled = true;
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renderer.xr.cameraAutoUpdate = false;
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container.appendChild( renderer.domElement );
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document.body.appendChild( VRButton.createButton( renderer ) );
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// controllers
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const controller1 = renderer.xr.getController( 0 );
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scene.add( controller1 );
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const controller2 = renderer.xr.getController( 1 );
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scene.add( controller2 );
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const controllerModelFactory = new XRControllerModelFactory();
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// Hand 1
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const controllerGrip1 = renderer.xr.getControllerGrip( 0 );
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controllerGrip1.add( controllerModelFactory.createControllerModel( controllerGrip1 ) );
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scene.add( controllerGrip1 );
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const hand1 = renderer.xr.getHand( 0 );
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hand1.add( new OculusHandModel( hand1 ) );
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const handPointer1 = new OculusHandPointerModel( hand1, controller1 );
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hand1.add( handPointer1 );
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scene.add( hand1 );
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// Hand 2
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const controllerGrip2 = renderer.xr.getControllerGrip( 1 );
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controllerGrip2.add( controllerModelFactory.createControllerModel( controllerGrip2 ) );
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scene.add( controllerGrip2 );
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const hand2 = renderer.xr.getHand( 1 );
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hand2.add( new OculusHandModel( hand2 ) );
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const handPointer2 = new OculusHandPointerModel( hand2, controller2 );
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hand2.add( handPointer2 );
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scene.add( hand2 );
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// setup objects in scene and entities
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const floorGeometry = new THREE.PlaneGeometry( 4, 4 );
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const floorMaterial = new THREE.MeshPhongMaterial( { color: 0x222222 } );
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const floor = new THREE.Mesh( floorGeometry, floorMaterial );
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floor.rotation.x = - Math.PI / 2;
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floor.receiveShadow = true;
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scene.add( floor );
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const menuGeometry = new THREE.PlaneGeometry( 0.24, 0.5 );
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const menuMaterial = new THREE.MeshPhongMaterial( {
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opacity: 0,
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transparent: true,
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} );
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const menuMesh = new THREE.Mesh( menuGeometry, menuMaterial );
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menuMesh.position.set( 0.4, 1, - 1 );
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menuMesh.rotation.y = - Math.PI / 12;
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scene.add( menuMesh );
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const orangeButton = makeButtonMesh( 0.2, 0.1, 0.01, 0xffd3b5 );
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orangeButton.position.set( 0, 0.18, 0 );
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menuMesh.add( orangeButton );
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const pinkButton = makeButtonMesh( 0.2, 0.1, 0.01, 0xe84a5f );
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pinkButton.position.set( 0, 0.06, 0 );
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menuMesh.add( pinkButton );
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const resetButton = makeButtonMesh( 0.2, 0.1, 0.01, 0x355c7d );
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const resetButtonText = createText( 'reset', 0.06 );
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resetButton.add( resetButtonText );
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resetButtonText.position.set( 0, 0, 0.0051 );
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resetButton.position.set( 0, - 0.06, 0 );
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menuMesh.add( resetButton );
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const exitButton = makeButtonMesh( 0.2, 0.1, 0.01, 0xff0000 );
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const exitButtonText = createText( 'exit', 0.06 );
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exitButton.add( exitButtonText );
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exitButtonText.position.set( 0, 0, 0.0051 );
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exitButton.position.set( 0, - 0.18, 0 );
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menuMesh.add( exitButton );
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const tkGeometry = new THREE.TorusKnotGeometry( 0.5, 0.2, 200, 32 );
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const tkMaterial = new THREE.MeshPhongMaterial( { color: 0xffffff } );
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tkMaterial.metalness = 0.8;
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const torusKnot = new THREE.Mesh( tkGeometry, tkMaterial );
|
||
|
|
torusKnot.position.set( 0, 1, - 5 );
|
||
|
|
scene.add( torusKnot );
|
||
|
|
|
||
|
|
const instructionText = createText( 'This is a WebXR Hands demo, please explore with hands.', 0.04 );
|
||
|
|
instructionText.position.set( 0, 1.6, - 0.6 );
|
||
|
|
scene.add( instructionText );
|
||
|
|
|
||
|
|
const exitText = createText( 'Exiting session...', 0.04 );
|
||
|
|
exitText.position.set( 0, 1.5, - 0.6 );
|
||
|
|
exitText.visible = false;
|
||
|
|
scene.add( exitText );
|
||
|
|
|
||
|
|
world
|
||
|
|
.registerComponent( Object3D )
|
||
|
|
.registerComponent( Button )
|
||
|
|
.registerComponent( Intersectable )
|
||
|
|
.registerComponent( Rotating )
|
||
|
|
.registerComponent( HandsInstructionText )
|
||
|
|
.registerComponent( OffsetFromCamera )
|
||
|
|
.registerComponent( NeedCalibration );
|
||
|
|
|
||
|
|
world
|
||
|
|
.registerSystem( RotatingSystem )
|
||
|
|
.registerSystem( InstructionSystem, { controllers: [ controllerGrip1, controllerGrip2 ] } )
|
||
|
|
.registerSystem( CalibrationSystem, { renderer: renderer, camera: camera } )
|
||
|
|
.registerSystem( ButtonSystem )
|
||
|
|
.registerSystem( HandRaySystem, { handPointers: [ handPointer1, handPointer2 ] } );
|
||
|
|
|
||
|
|
const menuEntity = world.createEntity();
|
||
|
|
menuEntity.addComponent( Intersectable );
|
||
|
|
menuEntity.addComponent( OffsetFromCamera, { x: 0.4, y: 0, z: - 1 } );
|
||
|
|
menuEntity.addComponent( NeedCalibration );
|
||
|
|
menuEntity.addComponent( Object3D, { object: menuMesh } );
|
||
|
|
|
||
|
|
const obEntity = world.createEntity();
|
||
|
|
obEntity.addComponent( Intersectable );
|
||
|
|
obEntity.addComponent( Object3D, { object: orangeButton } );
|
||
|
|
const obAction = function () {
|
||
|
|
|
||
|
|
torusKnot.material.color.setHex( 0xffd3b5 );
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
obEntity.addComponent( Button, { action: obAction } );
|
||
|
|
|
||
|
|
const pbEntity = world.createEntity();
|
||
|
|
pbEntity.addComponent( Intersectable );
|
||
|
|
pbEntity.addComponent( Object3D, { object: pinkButton } );
|
||
|
|
const pbAction = function () {
|
||
|
|
|
||
|
|
torusKnot.material.color.setHex( 0xe84a5f );
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
pbEntity.addComponent( Button, { action: pbAction } );
|
||
|
|
|
||
|
|
const rbEntity = world.createEntity();
|
||
|
|
rbEntity.addComponent( Intersectable );
|
||
|
|
rbEntity.addComponent( Object3D, { object: resetButton } );
|
||
|
|
const rbAction = function () {
|
||
|
|
|
||
|
|
torusKnot.material.color.setHex( 0xffffff );
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
rbEntity.addComponent( Button, { action: rbAction } );
|
||
|
|
|
||
|
|
const ebEntity = world.createEntity();
|
||
|
|
ebEntity.addComponent( Intersectable );
|
||
|
|
ebEntity.addComponent( Object3D, { object: exitButton } );
|
||
|
|
const ebAction = function () {
|
||
|
|
|
||
|
|
exitText.visible = true;
|
||
|
|
setTimeout( function () {
|
||
|
|
|
||
|
|
exitText.visible = false; renderer.xr.getSession().end();
|
||
|
|
|
||
|
|
}, 2000 );
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
ebEntity.addComponent( Button, { action: ebAction } );
|
||
|
|
|
||
|
|
const tkEntity = world.createEntity();
|
||
|
|
tkEntity.addComponent( Rotating );
|
||
|
|
tkEntity.addComponent( Object3D, { object: torusKnot } );
|
||
|
|
|
||
|
|
const itEntity = world.createEntity();
|
||
|
|
itEntity.addComponent( HandsInstructionText );
|
||
|
|
itEntity.addComponent( Object3D, { object: instructionText } );
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
renderer.setAnimationLoop( render );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
const delta = clock.getDelta();
|
||
|
|
const elapsedTime = clock.elapsedTime;
|
||
|
|
renderer.xr.updateCamera( camera );
|
||
|
|
world.execute( delta, elapsedTime );
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
|
||
|
|
</html>
|