ProjectX-Client/Assets/EnemyMovement.cs

using System.Collections;
using UnityEngine;

[RequireComponent(typeof(Rigidbody2D))]
public class Enemy : MonoBehaviour
{
    public float startSpeed = 1f;
    public float speedIncrease = 0.2f;
    public float maxSpeed = 6f;

    public int health = 1;
    private int currentHealth;

    private Vector3 target;
    private float currentSpeed;

    public int damage = 1;
    public int scoreValue = 10;

    public float minX = -12f;
    public float maxX = 12f;
    public float minY = -12f;
    public float maxY = 12f;

    public AudioClip footstepSound;
    private AudioSource audioSource;
    private Animator anim;
    private Rigidbody2D rb;

    SpriteRenderer sr;

    public void Setup(int wave)
    {
        health = Mathf.Clamp(1 + wave / 4, 1, 3);
    }

    void Start()
    {
        audioSource = GetComponent<AudioSource>();
        rb = GetComponent<Rigidbody2D>();
        currentHealth = health;
        SetNewTarget();

        sr = GetComponent<SpriteRenderer>();
        anim = GetComponent<Animator>();
    }

    public void TakeDamage(int damage)
    {
        currentHealth -= damage;

        float hpPercent = (float)currentHealth / health;
        sr.color = new Color(1f, hpPercent, hpPercent);

        if (currentHealth <= 0)
        {
            FindAnyObjectByType<GameManager>().AddScore(scoreValue);
            Destroy(gameObject);
            return; // важно: чтобы не запускать корутину на уничтоженном объекте
        }
        StartCoroutine(HitFlash());
    }

    void Update()
    {
        // Тут только логика (флип спрайта, выбор цели)
        Vector2 direction = target - transform.position;

        if (direction.x > 0)
            sr.flipX = false;
        else if (direction.x < 0)
            sr.flipX = true;

        currentSpeed += speedIncrease * Time.deltaTime;
        currentSpeed = Mathf.Clamp(currentSpeed, startSpeed, maxSpeed);

        if (Vector3.Distance(transform.position, target) < 0.1f)
        {
            SetNewTarget();
        }
    }

    void FixedUpdate()
    {
        // Движение через физику
        Vector2 newPos = Vector2.MoveTowards(rb.position, target, currentSpeed * Time.fixedDeltaTime);
        rb.MovePosition(newPos);
    }

    void SetNewTarget()
    {
        float randomX = Random.Range(minX, maxX);
        float randomY = Random.Range(minY, maxY);
        target = new Vector3(randomX, randomY, 0f);
    }

    IEnumerator HitFlash()
    {
        Color original = sr.color;
        sr.color = Color.white;
        yield return new WaitForSeconds(0.1f);
        sr.color = original;
    }

    void PlayFootstep()
    {
        if (footstepSound != null)
            audioSource.PlayOneShot(footstepSound, 0.02f);
    }

    void OnCollisionEnter2D(Collision2D collision)
    {
        if (collision.gameObject.CompareTag("Player"))
        {
            anim.SetTrigger("Attack");
        }
    }
}