DDAA

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

public class Run : MonoBehaviour {

    private Rigidbody2D rb2d;
    public int startSpeed;
    private string pressedKey;


    // Use this for initialization
    void Start () {
        rb2d = GetComponent<Rigidbody2D>();
    }

    void CheckSequence()
    {
            Debug.Log(pressedKey);
        if(pressedKey.Contains("AA") || pressedKey.Contains("DD"))
        {
            Debug.Log("АТАС!");
            pressedKey = "";
        }
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.D))
        {
            pressedKey += "D";
            CheckSequence();

        }

        else if (Input.GetKeyDown(KeyCode.A))
        {
            pressedKey += "A";
            CheckSequence();
        }
    }
}