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Question by wagnerraurau · May 15 at 02:10 AM · c#unity 2d

why the jump doesn't works?


I'm trying to make a simple jump, but it's not working at all, for some reason the IsGrounded() is not working, it keeps with the infinite jump.


 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class Move_incremented : MonoBehaviour
 {
     [SerializeField] private LayerMask LayerMask;
     Rigidbody2D rb;
     BoxCollider2D box2d;
     float speed = 10.0f;
     float jump = 7f;
     float dir_horz;
     void Start()
     {
         rb = GetComponent<Rigidbody2D>();
         box2d = GetComponent<BoxCollider2D>();
     }
     void FixedUpdate()
     {
         Move();
         Jump();    
     }
     void Move()
     {
         //movimentação
         dir_horz = Input.GetAxis("Horizontal");
         rb.velocity = new Vector2 (speed * dir_horz, rb.velocity.y); 
         
         //flip
         if(dir_horz > 0.01f)
         {
             transform.localScale = new Vector3(5, 5, 1);
         }
         else if(dir_horz < -0.01f)
         {
             transform.localScale = new Vector3(-5, 5, 1);
         }
     }
     void Jump()
     {
         //pulo
         if (IsGrounded() && Input.GetKey(KeyCode.Space))
         {
             rb.velocity = new Vector2 (rb.velocity.x, jump);            
         }
         //pulo duplo
     }
     bool IsGrounded()
     {
         RaycastHit2D raycastHit2d = Physics2D.BoxCast(box2d.bounds.center, box2d.bounds.size, 0f, Vector2.down * .1f, LayerMask);
         return raycastHit2d.collider != null;
     }
 }


Please, help me.

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Answer by TheIrishKraken · May 15 at 10:14 PM

Hello, inside your IsGrounded method you are multiplying Vector2.down by .1f. This is what's causing your infinite jump. There needs to be a comma between Vector2.down & .1f.

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