Player script for Dual Boot.

Player.cs

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

public class Player : MonoBehaviour
{
    //Floating
    public bool activateFloating = false;
    public float horizontalSpeed;
    public float verticalSpeed;
    public float amplitude;
    public Vector2 tempPosition;
    private Rigidbody2D rb;
    
    //Animations
    public Animator anim;

    //Movement
    public float movementSpeed;
    private bool facingRight = true;
    public bool canMove = false;
    public float jumpForce = 7;

    //Health/Death
    public float Health = 6f;

    //Items
    public bool hasGun = false;
    
    // Start is called before the first frame update
    void Start()
    {
        rb = GetComponent<Rigidbody2D>();
        tempPosition = transform.position;
        rb.freezeRotation = true;
    }

    // Update is called once per frame
    void Update()
    {
        //Floating
        if (activateFloating != false)
        {
            tempPosition.x = horizontalSpeed;
            tempPosition.y = Mathf.Sin(Time.realtimeSinceStartup * verticalSpeed) * amplitude;
            transform.position = tempPosition;
        }
        //Animations/Attacking
        if (canMove)
        {
            if (Input.GetKeyDown(KeyCode.E))
            {
                anim.Play("Attack");
                anim.GetComponent<Animator>().Play("Attack");
            }
        }

        //Movement
        if (canMove)
        {
            var movement = Input.GetAxis("Horizontal");
            transform.position += new Vector3(movement, 0, 0) * Time.deltaTime * movementSpeed;
            Vector3 charecterScale = transform.localScale;
            if (Input.GetAxis("Horizontal") < 0)
            {
                charecterScale.x = -1;
            }
            if (Input.GetAxis("Horizontal") > 0)
            {
                charecterScale.x = 1;
            }
            transform.localScale = charecterScale;

            if(Input.GetButtonDown("Jump") && Mathf.Abs(rb.velocity.y) < 0.001f)
            {
                rb.AddForce(new Vector2(0, jumpForce), ForceMode2D.Impulse);
            }
        }

        //Health/Death
        if (Health <= 0)
        {
            SceneManager.LoadScene("Menu");
        }
    }

    private void OnCollisionEnter2D(Collision2D collision)
    {
        //Health/Death
        if (collision.collider.name == "BluePerson")
        {
            Health -= 1;
        }

        //Items
        if(collision.collider.name == "Laser_Rifle_0")
        {
            Physics2D.IgnoreLayerCollision(8, 3, true);
            hasGun = true;
        }

    }

    private void OnCollisionStay2D(Collision2D collision)
    {
        //Attacking
        if (Input.GetKeyDown(KeyCode.E) && collision.collider.name == "Dark_Blue_Guy")
        {
            GameObject darkbluePerson = collision.collider.gameObject;
            ParticleSystem particleSystem = Instantiate(darkbluePerson.GetComponentInChildren<ParticleSystem>());
            particleSystem.transform.position = darkbluePerson.transform.position;
            particleSystem.Play();
            Destroy(darkbluePerson);
        }
    }
}