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Question by Brxdman · Apr 03 at 09:32 PM · 2d

Can't move left or right with my movement script

 using UnityEngine;
 public class PlayerMovement : MonoBehaviour
 {
     public float JumpForce;
     bool isGrounded = false;
     public float RightForce;
     public float LeftForce;
     Rigidbody2D RB;
     void Awake()
     {
         RB = GetComponent<Rigidbody2D>();
     }
     void Update ()
     {
         if (Input.GetKey(KeyCode.UpArrow))
         {
             if(isGrounded == true)
             {
                 RB.AddForce(Vector2.up * JumpForce);
                 isGrounded = false;
             }
             {
                 if (Input.GetKey(KeyCode.RightArrow))
                 {
                     if(isGrounded == true)
                     {
                         RB.AddForce(Vector2.right * RightForce);
                         isGrounded = false;
                     }
                     if (Input.GetKey(KeyCode.LeftArrow))
                     {
                         if(isGrounded == true)
                         {
                             RB.AddForce(Vector2.left * LeftForce);
                             isGrounded = false;
                         }
                     }
                 }
             }
         }
     }
     void OnCollisionEnter2D(Collision2D collision)
     {
         if(collision.gameObject.CompareTag("ground"))
         {
             if(isGrounded == false)
             {
                 isGrounded = true;
             }
         }
     }
 }
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avatar image bacon_nugget · Apr 03 at 11:23 AM 0
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@Brxdman Have you checked whether isGrounded ever actually gets set to true? Is it only left and right that are not working?


I'm on mobile at the moment, so it's very hard to read. It kinda looks like several of your if(KeyCode) checks are nested within each other. That's probably your issue.

avatar image Hellium · Apr 03 at 11:47 AM 1
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Why nesting your input conditions??

 if(upArrow)
 {
     if(rightArrow)
     {
         if(leftArrow)
         {
         }
     }
 }

Don't you want

 if(upArrow)
 {
 }
 if(rightArrow)
 {
 }
 if(leftArrow)
 {
 }

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Answer by rh_galaxy · Apr 03 at 09:35 PM

This is probably what you want, see other comments

 if(isGrounded == true)
 {
     if (Input.GetKey(KeyCode.UpArrow))
     {
         RB.AddForce(Vector2.up * JumpForce);
         isGrounded = false;
     }
     if (Input.GetKey(KeyCode.RightArrow))
     {
         RB.AddForce(Vector2.right * RightForce);
         isGrounded = false;
     }
     if (Input.GetKey(KeyCode.LeftArrow))
     {
         RB.AddForce(Vector2.left * LeftForce);
         isGrounded = false;
     }
 }
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