Using three.js in Rails the right way

I've looked everywhere for a solution to this problem, but unfortunately haven't found anything helpful.

Currently, I'm in the process of creating a new Ruby on Rails application and I want to start practicing using three.js. To check if it was properly required, I tried using my browser console, only to receive the error: ReferenceError: THREE is not defined

After reading through this post: Most efficient way to get a Three.js project to work in a ruby on rails app?, I expected to see some results.

I attempted adding the three.js file to the assets/javascripts folder and also used the threejs-rails gem from here: https://github.com/marvindanig/threejs-rails, but none of these solutions worked.

I made sure to require it in the asset pipeline in the application.js file:

//
//= require three
//= require jquery
//= require jquery_ujs
//= require turbolinks
//= require_tree .

If anyone has any suggestions on what steps I should take next, please let me know. It seems like the main issue right now is that it's not being required correctly.

EDITED: Problem resolved. It turns out I was inheriting from the wrong controller model.

javascriptruby-on-railsrubythree.js

Answer №1

To integrate the Three.js file into your project, simply place it in the assets/javascript folder. In your application.js file, ensure that you have "//= require_tree ." at the end to make sure everything functions properly. It is important to delete the "//= require three" line as Rails automatically loads this file and loading anything before jquery and turbolinks may cause issues with loading. If you do want to explicitly add the Three.js file to your project, include it just before "//=require_tree ."

Answer №2

a.) Add your three.js script to the following directory:

"app/assets/javascripts/three.js"

b.) In the application.js file, include this line: #= require three

Ensure that the server is running, then refresh the webpage and open the web console (F12). Type in Three and check for a return result to confirm it's set up correctly.

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