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  • Book Overview & Buying Raspberry Pi Projects for Kids (Second Edition)
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Raspberry Pi Projects for Kids (Second Edition)

Raspberry Pi Projects for Kids (Second Edition)

By : Daniel Leonard Bates
4.4 (5)
Buy this Book
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Raspberry Pi Projects for Kids (Second Edition)

Raspberry Pi Projects for Kids (Second Edition)

4.4 (5)
By: Daniel Leonard Bates
Buy this Book

Overview of this book

This book is for kids who wish to develop games and applications using the Raspberry Pi. No prior experience in programming is necessary; you need only a Raspberry Pi and the required peripherals.
Table of Contents (9 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Getting Started with Raspberry Pi
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1. Getting Started with Raspberry Pi
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Materials needed
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Preparing the SD card
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Starting up the Raspberry Pi
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Using your Raspberry Pi
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Summary
2
2. Animating with Scratch
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2. Animating with Scratch
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Scratch
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Interactive animation
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Summary
3
3. Making Your Own Angry Birds Game
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3. Making Your Own Angry Birds Game
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Creating a character
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Creating a level
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Moving the character
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Adding physics
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Ending the game
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Scoring
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Extensions
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Summary
4
4. Creating Random Insults
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4. Creating Random Insults
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Python
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The program we're going to use to generate phrases
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Making mischief
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Complete code listing
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Summary
5
5. Testing Your Speed
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5. Testing Your Speed
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Materials needed to make your own controller
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Creating the game controller
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Coding the game
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Complete code listing
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The keyboard version
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What's next?
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Summary
6
6. Making an Interactive Map of your City
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6. Making an Interactive Map of your City
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Hello world!
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Getting a map
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Adding markers
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Adding labels
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Code listing
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Extensions
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Summary
7
7. Building Beats with Sonic Pi
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7. Building Beats with Sonic Pi
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Sonic Pi
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Getting started with Sonic Pi
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Creating a tune
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New sounds
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A real tune
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Code listing
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Summary
8
Index
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Index

Adding physics

The next thing for us to do is to give our character a more interesting flight path. The game would be too easy (and no fun) if we just flew in a straight line through all the obstacles.

Gravity

First, let's add some gravity. Gravity has the effect of pulling objects down toward the ground. How can we model gravity in our game? The answer lies in the way we split our speed into both x speed and y speed. Gravity will only affect y speed, our speed in the up-down direction, so we can leave x speed as it is. Since the y coordinate increases as we move up but gravity pulls us down, we want gravity to keep subtracting a small amount from y speed. Add the following code block inside the forever block of your second script:

Gravity

Try out the game now. You should arc through the air until you hit one of the edges of the screen. You may tweak the number in this code block if you wish; a higher negative number will give you stronger gravity. What happens if the number is positive?

Bouncing...

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CONTINUE READING
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Tech Concepts
36
Programming languages
73
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Raspberry Pi Projects for Kids (Second Edition)
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