using System.Collections.Generic;
using UnityEngine;
using System.IO.Ports;

public class ReadUSBChangeShader : MonoBehaviour
{

    public Shader rojo;
    public Shader normal;
    public Renderer rend;

    SerialPort sp; //whatever COM arduino uses

    private void Awake()
    {
        try
        {
            sp = new SerialPort("COM3", 9600);
        }
        catch (System.Exception)
        {

        }
    }
    void Start()
    {
        try
        {
            sp.Open();
            sp.ReadTimeout = 1;
            rend = GetComponent<Renderer>();
        }
        catch (System.Exception)
        {

        }
    }

    void Update()
    {
        if (sp.IsOpen)
        {
            try
            {
                int ln = sp.ReadByte();
                if (ln == 1)
                {
                    rend.material.shader = rojo;

                }
                else {
                    rend.material.shader = normal;
                }
            }

            catch (System.Exception)
            {

            }
        }
        else
        {
            if (Input.GetKeyDown(KeyCode.R))
            {
                //Do something
                Debug.Log("lee alterno");
            }

        }
    }
}