Add a polygon collider 2D using vertices of edge collider

Questions & Answers
1

Hello!
Is it possible to create a polygon collider on a complex shape (it has a mesh/mesh renderer/edge colliders) based on points of actual edge colliders?
I made a simple script but it is not working, i tried to get edge colliders points as an array and add them to a new added polygon collider… Of course it doesn’t work. :slight_smile:

using System.Collections;

public class EdgeToPolygon : MonoBehaviour {

	private PolygonCollider2D myCollider;
	private Vector2[] tempArray;


	
	// Update is called once per frame
	void Start (){

		EdgeCollider2D testEdge = GetComponent<EdgeCollider2D>();
		Vector2[] tempArray = testEdge.points;
	}


	void Update () {



		if (Input.GetKeyDown("space"))

			gameObject.AddComponent <PolygonCollider2D>();


		if (Input.GetKeyDown("enter"))

			myCollider = gameObject.GetComponent<PolygonCollider2D>();
			myCollider.points = tempArray;
			
		

	}
}

Any tips? Each kind of help is really appreciated! :slight_smile:

Thanks,
Kaem

2

void AddPolyColliderFromMesh(GameObject Object) {
if (Object.GetComponent() == null) {
Object.AddComponent();
}
Vector3 Verticles = Object.GetComponent().mesh.vertices;
int Triangles = Object.GetComponent().mesh.triangles;
Vector2 Points = new Vector2[Triangles.Length];
for (int n = 0; n < Triangles.Length; n++) {
Points[n] = Vector3To2(Verticles[Triangles[n]]);
}
Object.GetComponent().points = Points;
}

I used this in my script, if you still need help then try this.