My character keeps lagging while walking/running and i've already tried a lot of solutions and none of then worked, what do I do?

Unity Engine
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1

here’s the code:
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class player : MonoBehaviour
{
public Animator playerAnim;
public Rigidbody playerRigid;
public float w_speed, wb_speed, olw_speed, rn_speed, ro_speed;
public bool walking;
public Transform playerTrans;

void FixedUpdate(){
	if(Input.GetKey(KeyCode.W)){
		playerRigid.linearVelocity = transform.forward * w_speed * Time.deltaTime;
	}
	if(Input.GetKey(KeyCode.S)){
		playerRigid.linearVelocity = -transform.forward * wb_speed * Time.deltaTime;
	}
}
void Update(){
	if(Input.GetKeyDown(KeyCode.W)){
		playerAnim.SetTrigger("walk");
		playerAnim.ResetTrigger("idle");
		walking = true;
		//steps1.SetActive(true);
	}
	if(Input.GetKeyUp(KeyCode.W)){
		playerAnim.ResetTrigger("walk");
		playerAnim.SetTrigger("idle");
		walking = false;
		//steps1.SetActive(false);
	}
	if(Input.GetKeyDown(KeyCode.S)){
		playerAnim.SetTrigger("walkback");
		playerAnim.ResetTrigger("idle");
		//steps1.SetActive(true);
	}
	if(Input.GetKeyUp(KeyCode.S)){
		playerAnim.ResetTrigger("walkback");
		playerAnim.SetTrigger("idle");
		//steps1.SetActive(false);
	}
	if(Input.GetKey(KeyCode.A)){
		playerTrans.Rotate(0, -ro_speed * Time.deltaTime, 0);
	}
	if(Input.GetKey(KeyCode.D)){
		playerTrans.Rotate(0, ro_speed * Time.deltaTime, 0);
	}
	if(walking == true){				
		if(Input.GetKeyDown(KeyCode.LeftShift)){
			//steps1.SetActive(false);
			//steps2.SetActive(true);
			w_speed = w_speed + rn_speed;
			playerAnim.SetTrigger("run");
			playerAnim.ResetTrigger("walk");
		}
		if(Input.GetKeyUp(KeyCode.LeftShift)){
			//steps1.SetActive(true);
			//steps2.SetActive(false);
			w_speed = olw_speed;
			playerAnim.ResetTrigger("run");
			playerAnim.SetTrigger("walk");
		}
	}
}

}

A little demostration of what i said

2

Is the “Keep Lagging” you mentioned referring to loop pose?

(1) Activate Loop Pose

image
image626×549 28.1 KB

(2) Turn off Apply Root Motion
image