Unity camera movement like Editor

CameraEditorMovement.cs

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

public class CameraEditorMovement : MonoBehaviour
{
    [Header("Mouse")]
    public float lookSpeedH = 2f;
    public float lookSpeedV = 2f;
    public float zoomSpeed = 2f;
    public float dragSpeed = 6f;
    [Header("Keyboard")]
    public float normalMoveSpeed = 1F;
    public float fastMoveFactor = 5F;

    private float yaw = 0f;
    private float pitch = 0f;

    void Update()
    {
        // Look around with Right Mouse
        if (Input.GetMouseButton(1))
        {
            yaw += lookSpeedH * Input.GetAxis("Mouse X");
            pitch -= lookSpeedV * Input.GetAxis("Mouse Y");

            transform.eulerAngles = new Vector3(pitch, yaw, 0f);
        }

        // Drag camera around with Middle Mouse
        if (Input.GetMouseButton(2))
        {
            transform.Translate(-Input.GetAxisRaw("Mouse X") * Time.deltaTime * dragSpeed, -Input.GetAxisRaw("Mouse Y") * Time.deltaTime * dragSpeed, 0);
        }

        // Zoom in and out with Mouse Wheel
        transform.Translate(0, 0, Input.GetAxis("Mouse ScrollWheel") * zoomSpeed, Space.Self);

        handleKeyboard();
    }

    void handleKeyboard()
    {
        bool wasd = Input.GetKey(KeyCode.W) || Input.GetKey(KeyCode.S) || Input.GetKey(KeyCode.A) || Input.GetKey(KeyCode.D);
        bool arrows = Input.GetKey(KeyCode.UpArrow) || Input.GetKey(KeyCode.DownArrow) || Input.GetKey(KeyCode.LeftArrow) || Input.GetKey(KeyCode.RightArrow);
        if (wasd || arrows)
        {
            transform.position += transform.forward * (normalMoveSpeed * fastMoveFactor) * Input.GetAxis("Vertical") * Time.deltaTime;
            transform.position += transform.right * (normalMoveSpeed * fastMoveFactor) * Input.GetAxis("Horizontal") * Time.deltaTime;
        }
        if (Input.GetKey(KeyCode.Q)) 
        {
            transform.position -= transform.up * (normalMoveSpeed * fastMoveFactor) * Time.deltaTime; 
        }
        if (Input.GetKey(KeyCode.E))
        {
            transform.position += transform.up * (normalMoveSpeed * fastMoveFactor) * Time.deltaTime; 
        }
    }
}