Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Learn Red ? Fundamentals of Red

You're reading from   Learn Red ? Fundamentals of Red Get up and running with the Red language for full-stack development

Arrow left icon
Product type Paperback
Published in May 2018
Publisher Packt
ISBN-13 9781789130706
Length 252 pages
Edition 1st Edition
Arrow right icon
Author (1):
Arrow left icon
Ivo Balbaert Ivo Balbaert
Author Profile Icon Ivo Balbaert
Ivo Balbaert
Arrow right icon
View More author details
Toc

Table of Contents (13) Chapters Close

Preface 1. Red's Mission FREE CHAPTER 2. Setting Up for Development 3. Using Words, Values, and Types 4. Code-Controlling Structures 5. Working with Series and Blocks 6. Using Functions and Objects 7. Working with Files 8. Parsing Data 9. Composing Visual Interfaces 10. Advanced Red 11. Assessments
12. Other Books You May Enjoy

A number-guessing game

Now we have all the building blocks needed for our game.

From the previous chapter, we already know how to pick a random number between 1 and 99, and how to seed this so that each time, the program gives another secret-number:

;-- see Chapter04/guess-number.red:
random/seed
now/time
secret-number: random 99

Getting input from the user is done with ask; we saw a code snippet for this in the Stopping a program section. The user is allowed to guess a certain number of times, say, 10 times, and this number is stored in max-number-of-guesses. So all the code with its input and further logic must be executed in a loop with that particular number of iterations:

loop max-number-of-guesses [ code ]

We also keep track of the number-of-guesses. Of course, our program has to give a clear message at each step.

What are the logical steps each loop iteration has to go through...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image