Console Game (thomas)

using UnityEngine;
using System.Collections;

public class ConsoleGame : BaseClass {

    float gameTime;
    int waitTime;

    // Use this for initialization
    void Start () {
        print ("welcome to the amazing console game: 'How many seconds?'.");
        GenerateRandomNumber ();


    }

    // Update is called once per frame
    void Update () {
        if (Input.GetKeyDown (KeyCode.Space)) {
            float playTime = Time.time - gameTime;
            float error = Mathf.Abs (waitTime - playTime);
            print ("You waited for : " + playTime + " seconds. That was " + error + " seconds off!");
            GenerateRandomNumber();
        }

    }

    void GenerateRandomNumber(){
        gameTime = Time.time;
        waitTime = Random.Range (5, 21);
        print ("wait for " + waitTime + " seconds");
        CountDownTimer (3);
    }

    void CountDownTimer (int countDownTime){
        for (int i=countDownTime; i > 0; i--) {
            MyInvoke (PrintCountdown, i, countDownTime-i);
        }
        MyInvoke (PrintGo, countDownTime);
    }

    void PrintCountdown (int countdownNumber){
        print (countdownNumber);
    }

    void PrintGo (){
        print ("go!");
    }

}