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[Part 2] my dash dont work, when i use dash while jumping it speed up the jump

Home Forums Video Game Tutorial Series Creating a Metroidvania in Unity [Part 2] my dash dont work, when i use dash while jumping it speed up the jump

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  • #13352
    SlenderDog 20
    Level 1
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    For some reason it only plays the dash animation, but it stand still, I don’t know why

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    using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;
    
    public class PlayerController : MonoBehaviour
    {
        [Header("Horizontal Movement Settings")]
        private Rigidbody2D rb;
        [SerializeField] private float walkspeed = 1;
        private float xAxis;
    
         [Header("Jumping Settings")]
        [SerializeField] private float jumpForce = 45;
        private int jumpBufferCounter = 0;
        [SerializeField] private int jumpBufferFrames;
        private float coyoteTimeCounter = 0;
        [SerializeField] private float coyoteTime;
        private int airJumpCounter = 0;
        [SerializeField] private int maxAirJumps;
    
        [Header("Ground Check Settings")]
        [SerializeField] private Transform groundCheckPoint;
        [SerializeField] private float groundCheckY = 0.2f;
        [SerializeField] private float groundCheckX = 0.5f;
        [SerializeField] private LayerMask whatIsGround;
    
        [SerializeField] private float dashSpeed;
        [SerializeField] private float dashTime;
        [SerializeField] private float dashCooldown;
    
    
        Animator anim;
        PlayerStateList pState;
        private bool canDash = true;
        private bool dashed;
        private float gravity;
        public static PlayerController Instance;
    
        private void Awake()
        {
            if(Instance != null && Instance != this)
            {
                Destroy(gameObject);
            }
            else
            {
                Instance = this;
            }
        }
    
    
    
    
    
        // Start is called before the first frame update
        void Start()
        {
            rb = GetComponent<Rigidbody2D>();
    
            pState = GetComponent<PlayerStateList>();
    
            anim = GetComponent<Animator>();
    
            gravity = rb.gravityScale;
        }
    
        // Update is called once per frame
        void Update()
        {
           GetInputs(); 
           UpdateJumpVariables();
           if(pState.dashing) return;
           Flip();
           Move();
           Jump();
           StartDash();
        }
    
        void GetInputs()
        {
            xAxis = Input.GetAxisRaw("Horizontal");
        }
    
        void Flip()
        {
            if(xAxis < 0)
            {
                transform.localScale = new Vector2(-1, transform.localScale.y);
            }
            else if(xAxis > 0)
            { 
                transform.localScale = new Vector2(1, transform.localScale.y);
            }
        }
    
        private void Move()
        {
            rb.velocity = new Vector2(walkspeed * xAxis, rb.velocity.y);
            anim.SetBool("Walking", rb.velocity.x != 0 && Grounded());
        }  
    
        void StartDash()
        {
            if(Input.GetButtonDown("Dash") && canDash && !dashed)
            {
                StartCoroutine(Dash());
                dashed = true;
            }
    
            if (Grounded())
            {
                dashed = false;
            }
        } 
    
        IEnumerator Dash()
        {
            canDash = false;
            pState.dashing = true;
            anim.SetTrigger("Dashing");
            rb.gravityScale = 0;
            yield return new WaitForSeconds(dashTime);
            rb.gravityScale = gravity;
            pState.dashing = false;
            yield return new WaitForSeconds(dashCooldown);
            canDash = true;
        }
    
        public bool Grounded()
        {
            if (Physics2D.Raycast(groundCheckPoint.position, Vector2.down, groundCheckY, whatIsGround) 
                || Physics2D.Raycast(groundCheckPoint.position + new Vector3(groundCheckX, 0, 0), Vector2.down, groundCheckY, whatIsGround) 
                || Physics2D.Raycast(groundCheckPoint.position + new Vector3(-groundCheckX, 0, 0), Vector2.down, groundCheckY, whatIsGround))
            {
                return true;
            }
    
            else
    
            {
                return false;
            }
        }
    
        void Jump()
    {
        if (Input.GetButtonUp("Jump") && rb.velocity.y > 0)
        {                           
            rb.velocity = new Vector2(rb.velocity.x, 0);
    
            pState.jumping = false;
    
        }
        if (!pState.jumping)
        {
            if (jumpBufferCounter > 0 && coyoteTimeCounter > 0)
            {
    
                rb.velocity = new Vector3(rb.velocity.x, jumpForce);
    
                pState.jumping = true;
            }
            else if(!Grounded() && airJumpCounter < maxAirJumps && Input.GetButtonDown("Jump"))
            {
                pState.jumping = true;
    
                airJumpCounter++;
    
                 rb.velocity = new Vector3(rb.velocity.x, jumpForce);
            }
        }
        if (Input.GetButtonDown("Jump") && Grounded())
        {
            rb.velocity = new Vector3(rb.velocity.x, jumpForce);
    
            pState.jumping = true;
        }
    
        anim.SetBool("Jumping", !Grounded());
    }
    
        void UpdateJumpVariables()
        {
            if (Grounded())
            {
                pState.jumping = false;
                coyoteTimeCounter = coyoteTime;
                airJumpCounter = 0;
            }
            else
            {
                coyoteTimeCounter -= Time.deltaTime;
            }
    
            if(Input.GetButtonDown("Jump"))
            {
                jumpBufferCounter = jumpBufferFrames;
            }
            else
            {
                jumpBufferCounter--;
            }
        }
    
    }
    #13354
    Terence
    Level 30
    Keymaster
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    Hi Slenderdog 20, can you add the following lines to your dash code? After that, do a dash in the game and show me what is printed in the Console.

        void StartDash()
        {
            if(Input.GetButtonDown("Dash") && canDash && !dashed)
            {
                print("Start dash");
                StartCoroutine(Dash());
                dashed = true;
            }
    
            if (Grounded())
            {
                dashed = false;
            }
        } 
    
        IEnumerator Dash()
        {
            canDash = false;
            pState.dashing = true;
            anim.SetTrigger("Dashing");
            print("Dashing started");
            rb.gravityScale = 0;
            yield return new WaitForSeconds(dashTime);
            rb.gravityScale = gravity;
            pState.dashing = false;
            print("Dashing ended");
            yield return new WaitForSeconds(dashCooldown);
            canDash = true;
            print("Dashing cooled down");
        }
    #13359
    SlenderDog 20
    Level 1
    Participant
    #13364
    Terence
    Level 30
    Keymaster
    Helpful?
    Up
    0
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    I found the issue. Your dash coroutine is missing this line:

    IEnumerator Dash()
    {
        canDash = false;
        pState.dashing = true;
        anim.SetTrigger("Dashing");
        print("Dashing started");
        rb.gravityScale = 0;
        rb.velocity = new Vector2(transform.localScale.x * dashSpeed, 0);
        yield return new WaitForSeconds(dashTime);
        rb.gravityScale = gravity;
        pState.dashing = false;
        print("Dashing ended");
        yield return new WaitForSeconds(dashCooldown);
        canDash = true;
        print("Dashing cooled down");
    }
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