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1
Question by lsugzdinis · Nov 13, 2020 at 09:56 PM · movementtopdowntop-down

My top-down movement is really jittery, any idea how to fix?

using System.Collections; using System.Collections.Generic; using UnityEngine;

public class PlayerMovement : MonoBehaviour { public float moveSpeed = 5f;

 public Rigidbody2D rb;

 public Vector2 movement;

 public Animator anim;

 

 public void Start()
 {
     anim.SetBool("IsMoving", false);
     
 }

 
 // Update is called once per frame
 public void Update()
 {
     //Input
     movement.x = Input.GetAxisRaw("Horizontal");
     movement.y = Input.GetAxisRaw("Vertical");

     if (movement.x == 0 && movement.y == 0)
     {
         anim.SetBool("IsMoving", false);
     }

     if(movement.x != 0 || movement.y != 0 || movement.x != 0 && movement.y !=0)
     {
         anim.SetBool("IsMoving", true);
     }
 }

 void FixedUpdate()
 {
     //Movement
     rb.MovePosition(rb.position + movement * moveSpeed * Time.fixedDeltaTime);
     
 }

}

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avatar image jackmw94 · Nov 13, 2020 at 10:21 PM 0
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I expect the actual answer is something about rigidbodies that I don’t know BUT just in case, check your animator has it’s animate root motion checkbox turned off :) if that’s on with a rigidbody, then they can mess with each other.

Also just a random point;
if(movement.x != 0 || movement.y != 0 || movement.x != 0 && movement.y !=0) The last clause will always be true if either of the first two are so is redundant.
You can just do if (movement.magnitude > 0)

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Answer by harperrhett · Nov 14, 2020 at 12:39 AM

You could try changing the velocity of the rigid body, instead of using MovePosition().

 rb.velocity = new Vector2(movement.x * moveSpeed, movement.y * moveSpeed);
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