Hi,
I am trying to load my model in hit-test webxr example but its throwing an error and some time scene getting freeze tried to laod model from local folder still its not loading. i have given my code below,
please take a look and help me out to solve this issue.
CODE:
<!DOCTYPE html>
<div id="info">
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> ar - hit test<br/>(Chrome Android 81+)
</div>
<script type="module">
import * as THREE from './build/three.module.js';
import { ARButton } from './jsm/webxr/ARButton.js';
import {OBJLoader2} from 'https://threejsfundamentals.org/threejs/resources/threejs/r115/examples/jsm/loaders/OBJLoader2.js';
import {OBJLoader} from 'https://threejsfundamentals.org/threejs/resources/threejs/r115/examples/jsm/loaders/OBJLoader.js';
//import {MTLLoader} from 'https://threejsfundamentals.org/threejs/resources/threejs/r115/examples/jsm/loaders/MTLLoader.js';
import {MTLLoader} from 'https://threejs.org/examples/js/loaders/MTLLoader.js';
import {MtlObjBridge} from 'https://threejsfundamentals.org/threejs/resources/threejs/r115/examples/jsm/loaders/obj2/bridge/MtlObjBridge.js';
var container;
var camera, scene, renderer;
var controller;
var reticle;
var hitTestSource = null;
var hitTestSourceRequested = false;
var mtlLoader;
var monkeymesh;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 20 );
var light = new THREE.HemisphereLight( 0xffffff, 0xbbbbff, 1 );
light.position.set( 0.5, 1, 0.25 );
scene.add( light );
//
renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.xr.enabled = true;
container.appendChild( renderer.domElement );
document.body.appendChild( ARButton.createButton( renderer, { requiredFeatures: [ 'hit-test' ] } ) );
var geometry = new THREE.CylinderBufferGeometry( 0.1, 0.1, 0.2, 32 ).translate( 0, 0.1, 0 );
var boxgeometry = new THREE.BoxBufferGeometry( 0.25, 0.25, 0.25 ).translate(0,0.1,0);
////////////////////////////////////////////////////////////////////////////////////////////////
mtlLoader = new THREE.MTLLoader();
mtlLoader.setPath( "https://threejs.org/examples/models/obj/walt/" );
mtlLoader.load( 'monkey.mtl', function( materials ) {
materials.preload();
var objLoader = new THREE.OBJLoader();
objLoader.setMaterials( materials );
objLoader.setPath( "https://threejs.org/examples/models/obj/walt/" );
objLoader.load( 'monkey.obj', function ( object ) {
monkeymesh = object;
monkeymesh.position.setFromMatrixPosition( reticle.matrix );
scene.add( mesh );
} );
} );
function onSelect() {
if ( reticle.visible ) {
var material = new THREE.MeshPhongMaterial( { color: 0xffffff * Math.random() } );
var mesh = new THREE.Mesh( boxgeometry, material );
mesh.position.setFromMatrixPosition( reticle.matrix );
//mesh.scale.y = Math.random() * 2 + 1;
mesh.scale.set(0.25,0.25,0.25);
scene.add( mesh );
}
}
controller = renderer.xr.getController( 0 );
controller.addEventListener( 'select', onSelect );
scene.add( controller );
reticle = new THREE.Mesh(
new THREE.RingBufferGeometry( 0.15, 0.2, 32 ).rotateX( - Math.PI / 2 ),
new THREE.MeshBasicMaterial()
);
reticle.matrixAutoUpdate = false;
reticle.visible = false;
scene.add( reticle );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
//
function animate() {
renderer.setAnimationLoop( render );
}
function render( timestamp, frame ) {
if ( frame ) {
var referenceSpace = renderer.xr.getReferenceSpace();
var session = renderer.xr.getSession();
if ( hitTestSourceRequested === false ) {
session.requestReferenceSpace( 'viewer' ).then( function ( referenceSpace ) {
session.requestHitTestSource( { space: referenceSpace } ).then( function ( source ) {
hitTestSource = source;
} );
} );
session.addEventListener( 'end', function () {
hitTestSourceRequested = false;
hitTestSource = null;
} );
hitTestSourceRequested = true;
}
if ( hitTestSource ) {
var hitTestResults = frame.getHitTestResults( hitTestSource );
if ( hitTestResults.length ) {
var hit = hitTestResults[ 0 ];
reticle.visible = true;
reticle.matrix.fromArray( hit.getPose( referenceSpace ).transform.matrix );
} else {
reticle.visible = false;
}
}
}
renderer.render( scene, camera );
}
</script>
</body>