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Scratch 2.0 Game Development Hotshot

You're reading from   Scratch 2.0 Game Development Hotshot Get up to date with Scratch 2.0 and build brilliant games without having to code. Including 10 exciting projects that cover most game genres, you'll quickly learn the sophisticated possibilities of Scratch. Have fun!

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Product type Paperback
Published in Feb 2014
Publisher
ISBN-13 9781849697569
Length 330 pages
Edition Edition
Tools
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Toc

Table of Contents (18) Chapters Close

Scratch 2.0 Game Development HOTSHOT
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Blowing Things Up! 2. Beating Back the Horde FREE CHAPTER 3. Start Your Engines 4. Space Age 5. Shoot 'Em Up 6. Building a Worthy Boss 7. Creating a Level Editor 8. Dungeon Crawl 9. Hunger Run 10. Sprites with Characters The New Scratch Interface Index

Creating a level generator


We will add a script to the sprite we just created that selects a costume at random and copies it onto the stage. With a double for loop, we will make sure the tile generator steps around the entire stage, so no space is left blank.

Prepare for lift off

To set up this game, we will create a small control script in the Stage object to set everything in motion as follows:

  1. Start a new script with the when <space> key pressed block.

  2. Attach a broadcast message to this.

  3. For the message, type createMaze:

This message will trigger when a new maze should be generated. It can be activated by pressing the Spacebar key and at a later stage, through the script when the player completes a level.

Engage thrusters

With the basics out of the way, we can start with the fun stuff; drawing levels automatically. We will draw the level from the lower-left to the upper-right of the screen using the following steps:

  1. Go to the script tab of the tileGenerator sprite.

  2. Start a new script with...

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