Sonic Pachinko Main Logic

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

public class Managers : MonoBehaviour
{
    [SerializeField] GameObject sonicPrefab;
    [SerializeField] Transform spawnPoint;
    [SerializeField] Transform targetMaxDistance;
    [SerializeField] float speed = 5.0f;
    [SerializeField] float spawnDelay = 0.5f;

    private GameObject sonicInstance;
    private Rigidbody2D sonicRB;
    private Vector3 targetPosition;

    private bool attemptInProgress;

    private void Start()
    {
        // spawn sonic clone
        Debug.Log("Creating first sonic");
        sonicInstance = Instantiate(sonicPrefab, spawnPoint.position, spawnPoint.rotation);
        // freeze constraints
        sonicRB = sonicInstance.GetComponent<Rigidbody2D>();
        sonicRB.constraints = RigidbodyConstraints2D.FreezeAll;
        attemptInProgress = false;
        targetPosition = targetMaxDistance.position;
    }

    private void FixedUpdate()
    {
        if (Input.GetKey(KeyCode.Mouse0) && !attemptInProgress)
        {
            Debug.Log("Starting attempt");
            attemptInProgress = true;
            sonicRB.constraints = RigidbodyConstraints2D.None;
        }

        if (!attemptInProgress)
        {
            var step = speed * Time.deltaTime;
            sonicInstance.transform.position = Vector3.MoveTowards(sonicInstance.transform.position, targetPosition, step);

            if (Vector3.Distance(sonicInstance.transform.position, targetPosition) < 0.001f)
            {
                // flip position to neg
                targetPosition.x *= -1.0f;
            }
        }
    }

    private IEnumerator SpawnSonic()
    {
        yield return new WaitForSeconds(spawnDelay);
        Debug.Log("Creating new sonic");
        sonicInstance = Instantiate(sonicPrefab, spawnPoint.position, spawnPoint.rotation);
        sonicRB = sonicInstance.GetComponent<Rigidbody2D>();
        sonicRB.constraints = RigidbodyConstraints2D.FreezeAll;
        attemptInProgress = false;
        targetPosition.x *= -1.0f;
    }

    public void ResetSonic()
    {
        Debug.Log("Killing sonic");
        Destroy(sonicInstance);
        StartCoroutine(SpawnSonic());
    }
}