Book Image

Scratch Cookbook

By : Brandon Milonovich
Book Image

Scratch Cookbook

By: Brandon Milonovich

Overview of this book

Scratch 2.0 is an easy to use programming language that allows you to animate stories and create interactive games. Scratch also gives you the capability of using programming to calculate complicated calculations for you. Scratch Cookbook will lead you through easy-to-follow recipes that give you everything you need to become a more advanced programmer. Scratch Cookbook will take you through the essential features of Scratch. You'll then work through simple recipes to gain an understanding of the more advanced features of Scratch. You will learn how to create animations using Scratch. Sensory board integration (getting input from the outside environment) will also be covered, along with using Scratch to solve complicated and tedious calculations for you. You'll also learn how to work through the exciting process of project remixing where you build on the work of others. Scratch Cookbook will give you everything you need to get started with building your own programs in Scratch that involve sounds, animations, and user interaction.
Table of Contents (17 chapters)
Scratch Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Sprites interacting with other sprites


When making your story, there is a good chance you will want to get movement on the stage so your story is a bit more exciting. This recipe focuses on how to have sprites react when they are touching or moving around other sprites.

Getting ready

For this recipe, we're going to continue working with the story we built in our previous recipes of this chapter. Our goal for this recipe is to get Frog to move across the screen and react to Monkey Mike when they touch.

How to do it...

We're going to bring back some scripting from our first chapter to get the job done. Let's get started:

  1. To begin the movement of Frog, the user will have to click on the sprite. We'll need to provide directions to the user in order to accomplish this. At the end of Frog's dialogue (from before), add another say block and give it the text Click me to get me moving.

  2. Now we'll introduce a new top hat block. This is the when this sprite clicked block, located under the Events blocks category...