How to create a distance joint constraint?

[will]

I recommend reading this thread:

[SOLVED] Trying to build a robot arm grabber using Ammo.js

So I am working on a project where the user can pick up objects using a grabber of sorts. I want the grabber to be able to pinch an object, such as a cube, and carry it around. Here is my project: https://playcanvas.com/editor/scene/757743 You can hold ‘A’ to grip and ‘Q’ to release. The cube can be moved with forward and backward arrow keys. I have two problems I need to solve; I want the gripper to be able to move around and not just be stationary, it does not seem to respond to forces…