mass raycast hit test

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

public class RaycastTesting : MonoBehaviour
{

    public int count = 100;
    public float spacing = .1f;
    public LayerMask mask = 0;

    public int missingCasts = 0;


    private void OnDrawGizmos()
    {
        missingCasts = 0;
        Gizmos.matrix = transform.localToWorldMatrix;

        var sx = -spacing * count/2;
        var sy = sx;


        for (int i = 0; i < count; i++)
        {
            float y = sy + i * spacing;
            for (int j = 0; j < count; j++)
            {
                float x = sx + j * spacing;
                RaycastHit hit;

                var p = new Vector3(x, y, 0);



                if (Physics.Raycast(transform.TransformPoint(p) , transform.forward, out hit, 1000, mask))
                {
                    Gizmos.color = new Color(0f, 0f, 1f, 0.1f);
                    var hitPointLocal = transform.InverseTransformPoint(hit.point);
                    Gizmos.DrawLine(p, hitPointLocal);

                }
                else
                {
                    Gizmos.color = Color.red;
                    Gizmos.DrawRay(new Vector3(x, y, 0), Vector3.forward*100);
                    missingCasts++;
                }


            }
        }



    }
}