PlayerController.cs

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

public class PlayerController : MonoBehaviour
{
    public float speed =5f;
    private Rigidbody rb;
    public Animator animator;

    void Start()
    {
        rb = GetComponent<Rigidbody>();
    }

    void Update()
    {
        //Movement
        float moveHorizontal = Input.GetAxis("Horizontal");
        float moveVertical = Input.GetAxis("Vertical");
        Vector3 movement = new Vector3(moveHorizontal, 0.0f, 0.0f);
        transform.position += movement * Time.deltaTime * speed;

        if (Input.GetKeyDown(KeyCode.RightArrow) || Input.GetKeyDown(KeyCode.D)) 
        {
            //set y rotation to 0 
            transform.Rotate(0, 360, 0);
            animator.SetBool("Run", true);
        }

        if ( Input.GetKeyDown(KeyCode.LeftArrow) || Input.GetKeyDown(KeyCode.A))
        {
            //set y rotation to 180
            transform.Rotate(0, -180, 0);
            animator.SetBool("Run", true);
        }

        if (Input.GetKeyUp(KeyCode.LeftArrow) || Input.GetKeyUp(KeyCode.A))
        {
            //set y rotation to 180
            transform.Rotate(0, 180, 0);
            animator.SetBool("Run", false);
        }

        if (Input.GetKeyUp(KeyCode.RightArrow) || Input.GetKeyUp(KeyCode.D))
        {
            animator.SetBool("Run", false);
        }
    }




    private void OnTriggerExit2D(Collider2D other)
    {
        if (other.gameObject.CompareTag("Boundary"))
        {
            ;
        }
    }
    void OnTriggerEnter2D(Collider2D other)
    {
        //Scene Walking and loading


        if (other.gameObject.CompareTag("Cube"))
        {
            SceneManager.LoadScene("2D_1");
        }

        if (other.gameObject.CompareTag("Mage"))
        {
            SceneManager.LoadScene("Mage");
        }

        if (other.gameObject.CompareTag("Cube1"))
        {
            SceneManager.LoadScene("2D_2");
        }

        if (other.gameObject.CompareTag("Rogue1"))
        {
            SceneManager.LoadScene("Rogue");
        }

        if (other.gameObject.CompareTag("Cube2"))
        {
            SceneManager.LoadScene("2D_3");
        }
        //Fight yourself:)

        if (other.gameObject.CompareTag("Yourself"))
        {
            SceneManager.LoadScene("Yourself");

        if (other.gameObject.CompareTag("Blank"))
        {
                SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex + 1);
        }

            if (other.gameObject.CompareTag("CubeBattle"))
            {
                SceneManager.LoadScene("2D_4Battle");
            }

        }
        if (other.gameObject.CompareTag("Boundary1"))
        {
            SceneManager.LoadScene("2D_2");
        }

        if (other.gameObject.CompareTag("Boundary2"))
        {
            SceneManager.LoadScene("2D_3");
        }

        if (other.gameObject.CompareTag("Boundary3"))
        {
            SceneManager.LoadScene("2D_4");
        }

        //Enemy Contact
        

    }



}