2D Movement with axis?

Hey everyone, so I have a script which I am using for movement in 3D. The way that it is used is that it uses the X and Z values to move. “Horizontal” axis moves it across the X axis and the “Vertical” axis moves it across the Z (I think that’s what it means). Well, I have this script for a 2D game and it works to a certain degree. Whatever object I attach this script to, I have to rotate it on the X axis by -90, and this is causing unwanted problems. Any suggestions as to how to make this script move on the X and Y axis only for 2D movement. I’m guessing that it’s an easy fix that I just can’t find yet. My guess is that I would have to do something with the way that it is being translated, to change the Z axis value to 0 and the Y value up, but I don’t know how to do this. Below is the script I am using that is C#.

using System.Collections;
using UnityEngine;

public class Cloud_Movement : MonoBehaviour
{
public float NormalSpeed;
public float ExtraSpeed;

void Update ()
{
    transform.Translate(NormalSpeed * Input.GetAxis("Horizontal") * Time.deltaTime,
    0f, NormalSpeed * Input.GetAxis("Vertical") * Time.deltaTime);

    if (Input.GetKeyDown(KeyCode.LeftShift))
    {
        NormalSpeed += ExtraSpeed;
    }
    else if (Input.GetKeyUp(KeyCode.LeftShift))
    {
        NormalSpeed -= ExtraSpeed;
    }

}

}

PS: I need it to use the Axis because I am using CrossPlatformInput for android and PC. Thanks a BUNCH!

This is the finished script. Sorry for the bad formatting. Just copy the comment above’s answer. That should be formatted correctly.

void Update ()
{
transform.Translate(NormalSpeed * Input.GetAxis(“Horizontal”) * Time.deltaTime,
NormalSpeed * Input.GetAxis(“Vertical”) * Time.deltaTime, 0f );
if (Input.GetKeyDown(KeyCode.LeftShift))
{
NormalSpeed += ExtraSpeed;
}
else if (Input.GetKeyUp(KeyCode.LeftShift))
{
NormalSpeed -= ExtraSpeed;
}
}