1. using UnityEngine.UI;
2. using System.Collections;
3. using System.Collections.Generic;
4. using UnityEngine;
5.  
6. public class PlayerMovement : MonoBehaviour
7.  
8. {
9.     private Animator anim; // Reference to the animator component.
10.      public Rigidbody2D rb;
11.     private void start() {
12.         rb = GetComponent<Rigidbody2D>();
13.         Animator anim = GetComponent<Animator>();
14.         anim.SetBool  ("Jump down", false);
15.     }
16.     private void Update()
17.     {
18.         if (Input.GetKey(KeyCode.RightArrow))
19.         {
20.            rb.velocity = new Vector2(2f ,0f); //this will move your RB to the right while you hold the right arrow
21.         }
22.  
23.         if (Input.GetKey(KeyCode.LeftArrow))
24.       {
25.           rb.velocity = new Vector3(-2f ,0f); //this will move your RB to the left while you hold the right arrow
26.        }
27.      
28.         if (Input.GetKey(KeyCode.UpArrow))
29.       {
30.           rb.velocity = new Vector4(0f ,2f); //this will move your RB up while you hold the right arrow
31.        }
32.         if (Input.GetKey(KeyCode.DownArrow))
33.       {
34.         anim.SetBool  ("Jump Down", true);
35.        }  
36.        
37.       }
38.     }