Help regarding "Collect Cubes" Like Player Movement and Rotation

Hi fellow game devs, I am having difficulty recreating kinda same movement and rotation like the game "Collect Cubes"

• https://play.google.com/store/apps/details?id=com.cinna.collectcubes&hl=en

• https://apps.apple.com/us/app/collect-cubes/id1465222322

So far I have wrote an script that somewhat works like the game but I haven't yet been able to reach the desired outcome. In Collect cubes the player moves and smoothly rotates along the user touch swipe/drag direction and the smooth transition don't mess with collision or other physics properties.

Here is what I have done so far..

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using DG.Tweening;
 
 public class PlayerController : MonoBehaviour
 {
     private Rigidbody rigidBody;
     private Vector3 screenPoint;
     private Vector3 offset;
     private Vector2 startPos;
     private bool isSwiping;
     private Vector3 direction;
     private Vector2 currentSwipeDelta;
     private Vector2 previousSwipeDelta;
     private Vector3 moveDirection;
     public float movementSpeed;
     private Vector3 newDir;
     private float swipeStartTime;
     private float swipeEndTime;
     private float swipeInterval;
 
     // Start is called before the first frame update
     void Start()
     {
         rigidBody = GetComponent<Rigidbody>();
     }
 
     // Update is called once per frame
     void Update()
     {
         PlayerInput();
     }
 
     private void PlayerInput()
     {
         if (Input.GetMouseButtonDown(0))
         {
             startPos = Input.mousePosition;
             GameManager.Instance.StartGame();
         }
 
         if (Input.GetMouseButton(0))
         {
             isSwiping = true;
             direction = Input.mousePosition - (Vector3)startPos;
             direction = Vector3.Normalize(direction);
         }
 
         if (Input.GetMouseButtonUp(0))
         {
             isSwiping = false;
             direction = Vector2.zero;
         }
 
         currentSwipeDelta = Vector2.zero;
 
         if (isSwiping)
         {
             currentSwipeDelta = Input.mousePosition - (Vector3)startPos;
         }
 
         transform.localPosition = new Vector3(Mathf.Clamp(transform.localPosition.x, -5.9f, 5.9f), transform.position.y, Mathf.Clamp(transform.localPosition.z, -1f, 21f));
     }
 
     private void FixedUpdate()
     {
         if (currentSwipeDelta.magnitude > 30)
         {
             moveDirection.x = direction.x;
             moveDirection.z = direction.y;
             moveDirection.y = 0f;
 
             // Rotation
             Quaternion newRotation = Quaternion.LookRotation(moveDirection);
             Quaternion deltaRotation = Quaternion.Euler(new Vector3(0f, 360f, 0f) * Time.deltaTime);
             rigidBody.MoveRotation(newRotation * deltaRotation);
 
             // Move
             rigidBody.velocity = moveDirection * movementSpeed;
         }
     }
 }

What I am doing wrong and what needs to be done to achive the smooth movement like Collect Cubes? Any help will be appreciated. Thanks in advance :)