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Home > IoT & Hardware > Single Board Computers > Raspberry Pi By Example
Raspberry Pi By Example
Raspberry Pi By Example

Raspberry Pi By Example: Start building amazing projects with the Raspberry Pi right out of the box

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€17.99 €26.99
Full star icon Full star icon Full star icon Full star icon Full star icon 5 (1 Ratings)
eBook Apr 2016 294 pages 1st Edition
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eBook Apr 2016 294 pages 1st Edition
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Raspberry Pi By Example

Chapter 2. Minecraft Pi

In the previous chapter, we learned how to set up the Pi and looked at Python and turtle modules briefly. In this chapter, we are going to explore the Pi version of a popular computer game, Minecraft. We will also learn how to program Minecraft with Python as the programming interface and use it to script user actions and build wonderful things.

We will cover the following topics in this chapter:

  • Introducing Minecraft Pi
  • Playing Minecraft Pi
  • Programming Minecraft Pi with Python

Introduction to Minecraft Pi

Minecraft is a very popular open world game. Like all other open world games, the player can freely explore the virtual world in a Minecraft Pi game. Minecraft was created by Markus Persson, and the game was later developed and published by the company Mojang, which is a Microsoft Game Studios subsidiary now. Jens Bergensten is the current lead designer and lead developer for the game. The alpha version of the game was released for PCs in 2009, and the complete version was released in 2011. The game is available for various platforms, which include PCs, Linux, Mac OS, iOS, Android, PlayStation, Xbox, and Raspberry Pi.

Note

You can get more information on Minecraft at https://minecraft.net/.

The version of this game for the Raspberry Pi is known as Minecraft Pi, and it was released in 2013. It was developed by Aron Nieminen and Daniel Frisk. Minecraft Pi focuses on the creative and building aspect of the game and does not include gathering resources and combat...

Playing Minecraft Pi

Minecraft Pi comes preinstalled in the latest version of Raspbian. So, there is no need for an additional installation. Minecraft Pi can be found by navigating to Menu | Games. Alternatively, we can start it by typing minecraft-pi in lxterminal. The following screen will appear once we start the game:

Playing Minecraft Pi

Click on the Start Game button. Then, the following window will appear:

Playing Minecraft Pi

Click on Create New and it will start generating a new world for the gameplay:

Playing Minecraft Pi

Once the new world for the gameplay is generated, the player character is placed in the virtual world. The default view in the game is the first-person view. It will look as follows:

Playing Minecraft Pi

Note

In Minecraft Pi, a new world is randomly generated in a procedural manner. This means that the world is randomly created with the algorithm rather than using predetermined components. So, no two worlds in Minecraft Pi will be the same. You can learn more about procedural generation from https://en.wikipedia.org/wiki/Procedural_generation.

We...

Python programming for Minecraft Pi

Minecraft Pi comes with the Python programming interface. This means that it's possible to script the action of a character in the game using Python. In this section, we will learn how to use Python programming to script the character actions as well as create amazing effects in the Minecraft world.

Start Minecraft Pi and create the world. Once it's done, while the game is running, free the mouse by pressing the Tab key and opening lxterminal. Create the /home/pi/book/chapter02 directory. Navigate to the directory and write the following code in the prog1.py file:

import mcpi.minecraft as minecraft

mc = minecraft.Minecraft.create()

mc.postToChat("Hello Minecraft World!")

The preceding program first imports the Minecraft Pi Python API. The second statement creates the connection to Minecraft, and the third statement posts the message to the game chat.

Run the preceding code; the following is its output:

Python programming for Minecraft Pi

Let's take a look at some of...

Summary

In this chapter, we got ourselves familiarized with the Minecraft Pi gameplay and learned how to program it using the Python API. We learned how to place and remove a block. Also, we implemented the code required to create some wonderful geometric shapes. In the end, we learned how to activate and explode TNT blocks to blow the large areas in the in-game world.

In the next chapter, we will learn how to use the Pygame library in order to create a game for the Pi.

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Key benefits

  • Explore the vast range of opportunities provided by Raspberry Pi and other hardware components such as a webcam, the Pi camera, and sensors
  • Get hands-on experience with coding, networking, and hardware with the Raspberry Pi platform
  • Learn through ample screenshots that offer a play-by-play account of how to implement Raspberry-Pi-based real-life projects

Description

Want to put your Raspberry Pi through its paces right out of the box? This tutorial guide is designed to get you learning all the tricks of the Raspberry Pi through building complete, hands-on hardware projects. Speed through the basics and then dive right in to development! Discover that you can do almost anything with your Raspberry Pi with a taste of almost everything. Get started with Pi Gaming as you learn how to set up Minecraft, and then program your own game with the help of Pygame. Turn the Pi into your own home security system with complete guidance on setting up a webcam spy camera and OpenCV computer vision for image recognition capabilities. Get to grips with GPIO programming to make a Pi-based glowing LED system, build a complete functioning motion tracker, and more. Finally, get ready to tackle projects that push your Pi to its limits. Construct a complete Internet of Things home automation system with the Raspberry Pi to control your house via Twitter; turn your Pi into a super-computer through linking multiple boards into a cluster and then add in advanced network capabilities for super speedy processing!

Who is this book for?

What's the best way to learn how to use your Raspberry Pi? By example! If you want something exciting to do whilst getting to grips with what your Pi can offer, this is the book for you. With both simple and complex projects, you'll create a wide variety of cool toys and functions with your Raspberry Pi - all with minimal coding experience necessary.

What you will learn

  • Set up your Raspberry Pi and get it ready for some interesting real-life projects
  • Work with images, videos, webcams, and the Pi camera and create amazing time-lapse videos
  • Explore the amazing world of Minecraft Pi
  • Get to know how to use PiGlow for GPIO programming
  • Interface your Pi with Grove Sensors and implement IoT applications
  • Build your own cluster with Raspberry Pi
  • Understand the networking and network programming fundamentals

Product Details

Country selected
Publication date, Length, Edition, Language, ISBN-13
Publication date : Apr 22, 2016
Length: 294 pages
Edition : 1st
Language : English
ISBN-13 : 9781785286742
Vendor :
Raspberry Pi
Category :
IoT & Hardware
Languages :
Python
Concepts :
Single Board Computers
Tools :
Raspberry Pi

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Product Details

Publication date : Apr 22, 2016
Length: 294 pages
Edition : 1st
Language : English
ISBN-13 : 9781785286742
Vendor :
Raspberry Pi
Category :
IoT & Hardware
Languages :
Python
Concepts :
Single Board Computers
Tools :
Raspberry Pi

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Table of Contents

16 Chapters
1. Introduction to Raspberry Pi and Python Chevron down icon Chevron up icon
1. Introduction to Raspberry Pi and Python
Single-board computers
Raspberry Pi
Operating systems
Setting up the Raspberry Pi
Getting started with Python
Summary
2. Minecraft Pi Chevron down icon Chevron up icon
2. Minecraft Pi
Introduction to Minecraft Pi
Playing Minecraft Pi
Python programming for Minecraft Pi
Summary
3. Building Games with PyGame Chevron down icon Chevron up icon
3. Building Games with PyGame
Introducing PyGame
Installing PyGame
Drawing a binary fractal tree
Building a snake game
Summary
4. Working with a Webcam and Pi Camera Chevron down icon Chevron up icon
4. Working with a Webcam and Pi Camera
Working with webcams
Working with the Pi Camera and NoIR Camera modules
Summary
5. Introduction to GPIO Programming Chevron down icon Chevron up icon
5. Introduction to GPIO Programming
Introducing GPIO pins
Building an LED Blinker
Installing PiGlow
Using PiGlow
Building a binary clock
Summary
6. Creating Animated Movies with Raspberry Pi Chevron down icon Chevron up icon
6. Creating Animated Movies with Raspberry Pi
Introducing stop-motion animation
Setting up the prerequisites
Rendering the video
Summary
7. Introduction to Computer Vision Chevron down icon Chevron up icon
7. Introduction to Computer Vision
Introducing Computer Vision
Introducing OpenCV
Setting up Pi for Computer Vision
Introducing NumPy
Working with images
Working with Webcam using OpenCV
Retrieving image properties
Arithmetic operations on images
Splitting and merging image color channels
Logical operations on images
Colorspaces and conversions
Tracking in real time based on color
Summary
8. Creating Your Own Motion Detection and Tracking System Chevron down icon Chevron up icon
8. Creating Your Own Motion Detection and Tracking System
Thresholding images
Noise
Morphological transformations on images
Motion detection and tracking
Summary
9. Grove Sensors and the Raspberry Pi Chevron down icon Chevron up icon
9. Grove Sensors and the Raspberry Pi
Introducing the GrovePi
Setting up the GrovePi
Displaying the weather
Intruder detection system
Summary
10. Internet of Things with the Raspberry Pi Chevron down icon Chevron up icon
10. Internet of Things with the Raspberry Pi
Introducing the Internet of Things
Installing the Twitter API for Python
Setting up a SQLite database in Python
Building a tweeting weather station
Summary
11. Build Your Own Supercomputer with Raspberry Pi Chevron down icon Chevron up icon
11. Build Your Own Supercomputer with Raspberry Pi
Introducing a Pi-based supercomputer
Installing and configuring MPICH2 and MPI4PY
Setting up the Raspberry Pi cluster
Setting up SSH access from the host to the client
Running code in parallel
Performance benchmarking of the cluster
Introducing N-Body simulations
Installing and running GalaxSee
Summary
12. Advanced Networking with Raspberry Pi Chevron down icon Chevron up icon
12. Advanced Networking with Raspberry Pi
Introducing DHCP
A few networking concepts
Configuring a Raspberry Pi to act as a DHCP server
Introducing Domain Naming System (DNS)
Setting up a DNS server on the Pi
Configuring the setup for a web server
Automating node discovery in a network
Summary
13. Setting Up a Web Server on the Raspberry Pi Chevron down icon Chevron up icon
13. Setting Up a Web Server on the Raspberry Pi
Introducing and installing Apache on Raspbian
Installing PHP and MySQL
Installing WordPress
Summary
14. Network Programming in Python with the Pi Chevron down icon Chevron up icon
14. Network Programming in Python with the Pi
The basics of sockets
The difference between TCP and UDP
Looking back
A Telnet client in Python
A chat program
References
Exercise
Summary
A. Newer Raspberry Pi Models Chevron down icon Chevron up icon
A. Newer Raspberry Pi Models
The Raspberry Pi Zero
The Raspberry Pi 3
Index Chevron down icon Chevron up icon
Index

Customer reviews

Rating distribution
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1 star 0%
Eugenio M. Sep 28, 2016
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Es un libro que recomiendo para los que quieran hacer cosas diferentes con una Raspberry. No es el tipico libro que se basa en los GPIO y las 200 paginas hablan de lo mismo. Este es diferente y me dió la idea de como solucionar un problema de comunicación entre diferentes RPI.
Amazon Verified review Amazon

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About the author

Profile icon Kakkar
Kakkar
Arush Kakkar is a computer vision and deep learning researcher and an undergraduate at Delhi Technological University. His primary focus is on autonomous robotics, which includes drones and self-driving cars, and he has been involved in building such systems in different capacities, such as navigation, localization, path planning. He has also leveraged state-of-the art computer vision and deep learning technologies for them. He is the electrical systems head of the Solar Car team of his university, Solaris DTU. He is currently working on his own driverless car company, CruiseX, which uses deep learning to drive more smoothly and with fewer errors.
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