Created
November 21, 2022 14:14
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Three.js OBJLoader in Vue3
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<template> | |
<div> | |
<div ref="canvas" id="container"></div> | |
</div> | |
</template> | |
<script> | |
import * as THREE from "three"; | |
import { OBJLoader } from "three/examples/jsm/loaders/OBJLoader"; | |
var camera, | |
scene, | |
renderer, | |
controls, | |
stats, | |
mesh = null; | |
export default { | |
name: "ObjectViewer", | |
data() { | |
return { | |
camera: null, | |
scene: null, | |
renderer: null, | |
mesh: null, | |
controls: null, | |
OBJobject: null, | |
x: 0, | |
y: 0, | |
z: 0, | |
loadingPercentageComplete: 0, | |
}; | |
}, | |
methods: { | |
init() { | |
scene = new THREE.Scene(); | |
scene.add(new THREE.AxesHelper(5)); | |
const light = new THREE.PointLight(); | |
light.position.set(2.5, 7.5, 15); | |
scene.add(light); | |
camera = new THREE.PerspectiveCamera(100, 350 / 350, 1, 1000); | |
camera.position.z = 750; | |
renderer = new THREE.WebGLRenderer({ alpha: true }); | |
renderer.setSize(400, 400); | |
renderer.setClearColor(0x000000, 0); // the default | |
this.$refs["canvas"].appendChild(renderer.domElement); | |
const objLoader = new OBJLoader(); | |
var OBJobject = null; | |
objLoader.load( | |
"/path/to/object/obj.obj", | |
(object) => { | |
console.log("object", object); | |
this.OBJobject = object; | |
scene.add(object); | |
}, | |
(xhr) => { | |
this.loading = true; | |
this.loadingPercentageComplete = (xhr.loaded / xhr.total) * 100; | |
if(this.loadingPercentageComplete === 100) { | |
setTimeout(() => { | |
this.loading = false; | |
}, 5000); | |
} | |
console.log((xhr.loaded / xhr.total) * 100 + "% loaded"); | |
}, | |
(error) => { | |
console.log(error); | |
} | |
); | |
this.animate(); | |
}, | |
onWindowResize() { | |
camera.aspect = 400 / 400; | |
camera.updateProjectionMatrix(); | |
renderer.setSize(400, 400); | |
this.render(); | |
}, | |
render() { | |
renderer.render(scene, camera); | |
}, | |
animate() { | |
requestAnimationFrame(this.animate); | |
this.render(); | |
}, | |
}, | |
watch: { | |
imuPosition(val) { | |
console.log("imuPosition", val); | |
this.x = val.x; | |
this.y = val.y; | |
this.z = val.z; | |
if (this.OBJobject) { | |
this.OBJobject.rotation.x = this.x; | |
this.OBJobject.rotation.y = this.y; | |
this.OBJobject.rotation.z = this.z; | |
} | |
}, | |
}, | |
computed: { | |
imuPosition() { | |
return this.$store.getters["ros/getRosData"].imu_sub.angle; | |
}, | |
}, | |
mounted() { | |
this.init(); | |
this.animate(); | |
}, | |
}; | |
</script> |
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