I developed a 3D cube that moves on one axis simulating the accelerometer sensor. Currently, I have the .obj and .mtl of a toycar which I aim to add to the scene(), but when I remove the BoxGeometry 3D cube and replace it with the car mesh I got these errors all the time:
I also get this error saying that obj is not defined, even if I defined it globally I still have the same issue:
I checked libraries that exist locally and other function but I can't see where is the problem.
Below is how I load the car model:
const scene = new THREE.Scene();
var loader = new THREE.OBJMTLLoader();
loader.load('https://jyunming-chen.github.io/tutsplus/models/toycar.obj', 'https://jyunming-chen.github.io/tutsplus/models/toycar.mtl',
function (vehicle) {
toycar = vehicle;
toycar.rotateY(-10.99);
scene.add(toycar);
});
and this is my full .HTML code with js implementation:
This is hoq looks like now: 
and this is what I am aiming to achieve:
That's my current code:
<html>
<head>
<meta charset="UTF-8">
<script src="./three.min.js"></script>
<script src="./require.js" type="text/javascript"></script>
<script src="./OrbitControls.js"></script>
<script src="./KeyboardState.js"></script>
<script src="./MTLLoader.js"></script>
<script src="./OBJMTLLoader.js"></script>
<script type="module"> import * as THREE from "./three.module.js"</script>
</head>
<body>
<canvas id="canvas" width="1000" height="600" style="border:1px solid #000000;"></canvas>
</body>
<script>
let sensorValue = 0;
let sensorAddr = 0;
var toycar;
StartRetrieveLiveData();
function main() {
const canvas = document.querySelector('#canvas');
const accelPanel = document.querySelector('#accelPanel');
const renderer = new THREE.WebGLRenderer({ alpha: true, canvas });
renderer.setClearColor( 0x626d73, 1 );
var context = canvas.getContext("2d");
var width = window.innerWidth;
var height = window.innerHeight;
const fov = 70;
const aspect = 2;
const near = 20;
const far = 500;
const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
camera.position.set(0, 50, 1.5);
camera.up.set(0, 0, 1);
camera.lookAt(0, 0, 0);
const scene = new THREE.Scene();
// var loader = new THREE.OBJMTLLoader();
// loader.load('https://jyunming-chen.github.io/tutsplus/models/toycar.obj', 'https://jyunming-chen.github.io/tutsplus/models/toycar.mtl',
// function (vehicle) {
// toycar = vehicle;
// toycar.rotateY(-10.99);
// scene.add(toycar);
// });
// An array of objects who's rotation to update
const objects = [];
const radius = 3;
const widthSegments = 3;
const heightSegments = 3;
const sphereGeometry = new THREE.BoxGeometry(radius, widthSegments, heightSegments);
const sunMaterial = new THREE.MeshBasicMaterial({ color: "green", wireframe: false });
const object = new THREE.Mesh(sphereGeometry, sunMaterial);
var cubeAxis = new THREE.AxesHelper(10);
object.add(cubeAxis);
object.scale.set(2, 2, 2);
scene.add(object);
objects.push(object);
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() {
if (resizeRendererToDisplaySize(renderer)) {
const canvas = renderer.domElement;
camera.aspect = canvas.clientWidth / canvas.clientHeight;
camera.updateProjectionMatrix();
}
objects.forEach((obj) => {
sensorValueIndex = ((sensorValue / 16384) * 10);
obj.position.z = ((sensorValue / 16384) * 20);
console.log("AccX: ",sensorValueIndex);
// // Here I take accelerometerX and pass them to the 3D model
// if (sensorAddr === 1) {
// }
});
renderer.render(scene, camera);
requestAnimationFrame(render);
}
requestAnimationFrame(render);
}
function onMsg(event) {
// console.log(`[message] Data received from server: ${event.data}`);
// console.log("event.data = " + JSON.parse(event.data));
var received_msg = event.data;
var obj = JSON.parse(JSON.parse(received_msg));
if (obj !== null) {
if (
obj.hasOwnProperty("DataMapChangedObjectsAddressValue") &&
obj["DataMapChangedObjectsAddressValue"][0]["DataMapAddress"] !==
undefined
) {
sensorAddr =
obj["DataMapChangedObjectsAddressValue"][0]["DataMapAddress"];
sensorValue =
obj["DataMapChangedObjectsAddressValue"][0]["Value"];
// if (sensorAddr === 1) {
// sensorValueIndex = (sensorValue / 16384) * 500;
// }
}
}
}
function onOpen(e) {
console.log("SSE connected");
}
function onError(e) {
// console.log(`[error] ${error.message}`);
if (e.eventPhase == EventSource.CLOSED) this.source.close();
if (e.target.readyState == EventSource.CLOSED) {
console.log("SSE Disconnected");
} else if (e.target.readyState == EventSource.CONNECTING) {
console.log("SSE Connecting ...");
}
}
function StartRetrieveLiveData() {
if (!!window.EventSource) {
this.source = new EventSource("/sse");
} else {
console.log("Your browser doesn't support SSE");
}
this.source.addEventListener("message", e => this.onMsg(e));
this.source.addEventListener("open", e => this.onOpen(e), false);
this.source.addEventListener("error", e => this.onError(e), false);
// Add here (only mozilla)
main();
// Add here
}
</script>
</html>
Note that when I used a public server the whole thing works just fine, but I used the remote server (the actual server) I get these error and the whole thing doesn't work as expected.
Would appreciate a solution for this.
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