Rigidbodies Inside CollidersHow to hack 2D colliders to contain RigidBody objects

Author Waldo
Published August 1, 2019

In this tutorial I show you how to hack any 2D collider to allow it to contain objects with RigidBodies.

Video Walkthrough

  • 0:00 - Explaining the Problem
  • 1:20 - Theorizing a Solution
  • 2:11 - Testing The Theory
  • 3:45 - The Final Code Used

Source Code for EdgeColliderHack.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class EdgeColliderHack : MonoBehaviour{
    private void Awake() {
        PolygonCollider2D poly = GetComponent<PolygonCollider2D>();
        if(poly == null){
            poly = gameObject.AddComponent<PolygonCollider2D>();
        Vector2[] points = poly.points;
        EdgeCollider2D edge = gameObject.AddComponent<EdgeCollider2D>();
        edge.points = points;

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