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Raspberry Pi Robotic Blueprints

You're reading from   Raspberry Pi Robotic Blueprints Utilize the powerful ingredients of Raspberry Pi to bring to life your amazing robots that can act, draw, and have fun with laser tags

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Product type Paperback
Published in Oct 2015
Publisher
ISBN-13 9781784396282
Length 198 pages
Edition 1st Edition
Concepts
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Toc

Table of Contents (9) Chapters Close

Preface 1. Adding Raspberry Pi to an RC Vehicle FREE CHAPTER 2. Adding Raspberry Pi to a Humanoid Robot 3. Building a Tracked Vehicle That Can Plan Its Own Path 4. Building a Robot That Can Play Laser Tag 5. A Robot That Can Draw 6. A Robot That Can Play Air Hockey 7. A Robot That Can Fly Index

Tracking the puck


Once you know the location, you can now find out the speed and direction of the puck. In this case, the easiest way is to find the delta movement in the x direction and the delta movement in the y direction. This is easy to add to your program by simply tracking your puck from frame to frame, that is, how much the puck has moved in pixels. Here is the code:

And when you run the code, you will see the following:

Here, the line is pointing in the direction of the puck movement. Now that you know the location and direction of the puck, you can move the paddle to connect with the puck.

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