Simple Joystick Script Unity

Joystick.cs

using UnityEngine;

public class JoystickCameraController : MonoBehaviour
{
    public float joystickSensitivity = 0.1f;
    public float rotationSpeed = 5f;
    public float zoomSpeed = 2f;

    private Vector2 joystickInput;
    private Transform cameraTransform;

    private void Start()
    {
        cameraTransform = Camera.main.transform;
    }

    private void Update()
    {
        joystickInput.x = Input.GetAxisRaw("Horizontal");
        joystickInput.y = Input.GetAxisRaw("Vertical");

        if (joystickInput.magnitude > joystickSensitivity)
        {
            float angle = Mathf.Atan2(joystickInput.x, joystickInput.y) * Mathf.Rad2Deg;

            // Round angle to the nearest 15 degrees
            angle = Mathf.Round(angle / 15f) * 15f;

            // Apply rotation
            Vector3 eulerAngles = cameraTransform.eulerAngles;
            eulerAngles.y += angle * rotationSpeed * Time.deltaTime;
            cameraTransform.eulerAngles = eulerAngles;
        }

        // Zoom in/out with the joystick's vertical axis
        float zoomAmount = Input.GetAxis("Mouse ScrollWheel") + Input.GetAxisRaw("Vertical");
        cameraTransform.position += cameraTransform.forward * zoomAmount * zoomSpeed * Time.deltaTime;
    }
}