How to easily create interactive imported 3D objects using three.js?

Recently, I created a mini solar system project using three.js. Each planet is represented by an imported model in the scene. My goal is to make each planet clickable so that when clicked, the camera zooms in on the selected planet and displays the latest image of it next to the 3D model.

The main question here is: How can I add functionality to make the imported models clickable?

I attempted to implement raycasting for this purpose, but unfortunately, I have not been successful so far. It's all quite messy at the moment.

Below is the code snippet of what I've done up until now:

import * as THREE from 'three';
import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls';

// Remaining code included here...
javascriptthree.jsgltf

Answer №1

Exploring raycasting against models or meshes within your scene is extensively covered in various threejs resources. I recommend reviewing the raycaster documentation, particularly the example demonstrating raycasting against meshes.

Furthermore, consider structuring your code early on to maintain organization, as working with threejs can quickly become cluttered. It's helpful to create a universal function for loading models and avoid excessive copying and pasting of code snippets.

Lastly, it's important to share your progress and any challenges faced when seeking assistance. In this scenario, providing your raycasting code snippets along with error messages will offer clarity to those offering support.

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