Polygon Collider 2d doesnt work properly

Hi @cbetsikos,

Code and result look awesome, did you set Continuous collision detection on Rigidbody component atached to player?

Hello @privatecontractor, thank you. Yes I have set Continuous collision detection on the Rigidbody. I think the problem is in the Code, because when I use polygon.points instead of polygon.Setpath the collision works fine. But the collider doesnt fit perfectly to the mesh. Here is what I mean:

and here the Code:

 using UnityEngine;
 
 public class CircleMesh : MonoBehaviour
 
 {
     Mesh mesh;
     public PolygonCollider2D polygonCollider;
     Vector3[] vertPos;
     Vector2[] vert2dPos;
     public int vertecies = 20;
     public float radiusA = 20;
     public float radiusB = 20;
 
     Vector3[] verticies;
     int[] triangle;
     private void Start()
     {
         vertPos = new Vector3[vertecies + 1];
         vert2dPos = new Vector2[vertecies];
         triangle = new int[vertecies * 3];
         mesh = new Mesh();
         GetComponent<MeshFilter>().mesh = mesh;
         vertPos = CalculateVerticies(vertecies, radiusA, radiusB);
 
         for (int i = 0, j = 1; i <= triangle.Length - 3; i += 3)
         {
             triangle[i] = j;
             triangle[i + 1] = 0;
             j++;
             if (i == triangle.Length - 3)
             {
                 triangle[i + 2] = 1;
             }
             else
             {
                 triangle[i + 2] = j;
             }
         }
        //polygonCollider.pathCount = vertecies;
         for (int i = 0; i < vert2dPos.Length; i++)
         {
             vert2dPos[i] = vertPos[i + 1];
             //polygonCollider.SetPath(i, vert2dPos);
         }
         for (int i = 0; i < vert2dPos.Length; i++)
         {
             Debug.Log(vert2dPos[i]);
 
         }
 
         mesh.vertices = vertPos;
         mesh.triangles = triangle;
 
          polygonCollider.points = vert2dPos;
 
     }
 
     Vector3[] CalculateVerticies(int corners, float radiusA, float radiusB)
     {
         float angle = (2 * Mathf.PI) / corners;
         Vector3[] verticies = new Vector3[corners + 1];
         float currentAngle = 0;
         verticies[0] = new Vector3(0, 0, 0);
         for (int i = 0; i < corners; i++)
         {
             currentAngle = currentAngle + angle;
             float xPos = Mathf.Cos(currentAngle) * radiusA * Random.Range(1, 1.5f);
             float yPos = Mathf.Sin(currentAngle) * radiusB * Random.Range(1, 1.5f);
             Vector3 vertice = new Vector3(xPos, yPos, 0);
             verticies[i + 1] = vertice;
         }
         return verticies;
 
     }
 }
 

you should check Rigidbody Component that attached to objects because Collision need physics component(if game was 2d you should use RigidBody2D) and disable isKinematic because Collision don't work