PlayerMove

using UnityEngine;

public class PlayerMove : MonoBehaviour {

    public float speed = 6;
    public float jumpPower = 3;
    public bool hasJumpsLimit = false;
    public int jumpsLimit = 2;

    public Rigidbody2D controller;
    public Transform cam;

    private float x;
    private int jumpsDone;

    void Update() {
        x = Input.GetAxis("Horizontal");

        if (x > 0) {
            transform.rotation = Quaternion.Euler(0, 0, 0); // поворот направо
        }

        if (x < 0) {
            transform.rotation = Quaternion.Euler(0, 180, 0); // поворот наліво
        }

        if (Input.GetButtonDown("Jump")) {
            if (hasJumpsLimit && jumpsDone >= jumpsLimit) {
                return;
            }

            controller.velocity = new Vector2(controller.velocity.x, jumpPower);
            jumpsDone += 1;
        }
    }

    void FixedUpdate() {
        controller.velocity = new Vector2(x * speed, controller.velocity.y); // рух по горизонталі
        cam.position = new Vector3(transform.position.x, transform.position.y, -10);
    }

    void OnCollisionEnter2D(Collision2D c) {
        if (c.transform.CompareTag("Ground")) {
            jumpsDone = 0;
        }
    }
}