An Example of raycasting in unity

Raycast Example

using System.Collections.Generic;
using UnityEngine;

public class Cloud : MonoBehaviour
{
    [SerializeField] private float _speed;

    [SerializeField] private int _rays;

    [SerializeField] private float _distance;

    [SerializeField] private float _force;

    private Vector2 _moveInput;
    private Rigidbody2D _rigidbody;
    private BoxCollider2D _boxCollider2D;


    private void Awake()
    {
        _rigidbody = GetComponent<Rigidbody2D>();
        _boxCollider2D = GetComponent<BoxCollider2D>();
    }

    private void Update()
    {
        HandleSneeze();
    }

    private void HandleSneeze()
    {
        if (!Input.GetKeyDown(KeyCode.Space)) return;

        Vector3 startPosition = transform.position;
        startPosition += new Vector3(-_boxCollider2D.bounds.extents.x, _boxCollider2D.bounds.extents.y);
        float xOffset = _boxCollider2D.bounds.size.x / (_rays - 1);

        HashSet<Rigidbody2D> rigidbodies = new HashSet<Rigidbody2D>();
        for (int i = 0; i < _rays; i++)
        {
            Vector3 offset = new Vector3(i * xOffset, 0, 0);
            Vector3 origin = startPosition + offset;
            RaycastHit2D hitInfo = Physics2D.Raycast(origin, Vector2.up, _distance);

            if (!hitInfo.rigidbody) continue;

            rigidbodies.Add(hitInfo.rigidbody);
            Debug.DrawLine(origin, hitInfo.point, Color.black, 0.3f);
            Debug.Log(hitInfo.rigidbody.name);
        }

        foreach (Rigidbody2D body in rigidbodies)
        {
            Debug.Log($"Adding for to {body.name}");
            body.AddForce(Vector2.up * _force, ForceMode2D.Impulse);
        }
    }

    private void FixedUpdate()
    {
        _rigidbody.velocity = new Vector3(Input.GetAxisRaw("Horizontal") * _speed, 0, 0);
    }

    private void OnDrawGizmosSelected()
    {
        _boxCollider2D = GetComponent<BoxCollider2D>();
        Vector3 startPosition = transform.position;
        startPosition += new Vector3(-_boxCollider2D.bounds.extents.x, _boxCollider2D.bounds.extents.y);
//        float xOffset = _boxCollider2D.bounds.size.x / (_rays - 1);
//        for (int i = 0; i < _rays; i++)
//        {
//            Vector3 offset =  new Vector3(i * xOffset, 0, 0);
//            Vector3 origin = startPosition + offset;
//            Gizmos.DrawLine(origin, origin + Vector3.up * _distance);
//        }

        Vector3 center = new Vector3(transform.position.x, startPosition.y + _distance / 2, 0);
        Vector3 size = new Vector3(_boxCollider2D.size.x, _distance);
        Gizmos.DrawWireCube(center, size);
    }
}