Building a Worthy Boss | Scratch 2.0 Game Development Hotshot

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Scratch 2.0 Game Development Hotshot

4.4 (14)

Scratch 2.0 Game Development Hotshot

4.4 (14)

Overview of this book

Scratch 2.0 Game Development HOTSHOT

Scratch 2.0 Game Development HOTSHOT

Credits

Credits

About the Authors

About the Authors

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Preface

Free Chapter

Blowing Things Up!

Blowing Things Up!

Mission briefing

Creating a new project

Starting scripts

Adding targets

Creating a parabolic shot

Creating a landscape

Mission accomplished

Hotshot challenges

Beating Back the Horde

Beating Back the Horde

Mission briefing

Creating a background

Creating enemies

Creating cannons

Fighting back

Increasing the horde

Adding a base

Limiting resources

Winning the game

Mission accomplished

Hotshot challenges

Start Your Engines

Start Your Engines

Mission briefing

Drawing a racetrack

Creating a kart

Building keyboard controls

Using a collision mask

Dealing with collision events

Adding a second player

Finishing the game

Mission accomplished

Hotshot challenges

Space Age

Space Age

Mission briefing

Starting with the starter project

Adding scripts to Spaceship

Updating enemy sprites

Adding scripts to Spaceship Ammo and Enemy Ammo

Adding scripts to Shield and Shield Life

Meeting your Game Manager

Adding levels – three simple steps

Mission accomplished

Hotshot challenges

Shoot 'Em Up

Shoot 'Em Up

Mission briefing

Creating a player character

Creating an enemy

Adding enemy patterns

Shooting those baddies!

Creating background images

Using parallax scrolling to simulate depth

Adding scores and power-ups

Tweaking and balancing

Mission accomplished

Hotshot challenges

Building a Worthy Boss

Building a Worthy Boss

Mission briefing

Sending a message

Adding a test script

Creating the boss

Creating attack pattern 1

Creating attack pattern 2

Creating attack pattern 3

Making the boss more impressive

Defeating the boss

Mission accomplished

Hotshot challenges

Creating a Level Editor

Creating a Level Editor

Mission briefing

Planning the level map

Drawing the level tiles

Preparing the tiles in Scratch

Creating a level generator

Creating a character

Creating a goal

Adding a bomb item

Adding the bomb effects

Mission accomplished

Hotshot challenge

Dungeon Crawl

Dungeon Crawl

Mission briefing

Adding a knight

Adding a ghost

Creating a sword

Creating a bow and arrow

Tying up loose ends

Mission accomplished

Hotshot challenges

Hunger Run

Hunger Run

Mission briefing

Understanding scrolling

Adding scripts to the brick sprite

Adding scripts to the food sprite

Adding scripts to the player sprite

Adding scripts to the Game Manager sprite

Tweaking the game

Mission accomplished

Hotshot challenges

Sprites with Characters

Sprites with Characters

Mission briefing

Building the robot wireframe

Coloring it metallic

Performing final adjustments

Animating

Parting with a few tips

Mission accomplished

Hotshot challenges

The New Scratch Interface

The New Scratch Interface

Mission briefing

Website overview

Creating an account and logging in

The Scratch editor layout

Creating and importing sprites

New script block categories

Saving and loading projects

Sharing the backpack feature

Some benefits and drawbacks of the new Scratch interface

Index

Index

Creating attack pattern 3

To finish off all the attack moves for the boss, let's create a third attack pattern script.

Prepare for lift off

For this attack pattern, we are going to use an interesting mathematical formula called a sine wave. You might recognize this pattern from mathematics or from a radio wave readout. This pattern causes the sprite to move up and down in a regular curved wave pattern.

It looks very good and can be quite hard to dodge if you're not careful. It serves as a perfect "killer" move to close this part of the tutorial with.

Engage thrusters

This third attack pattern script starts and closes in exactly the same way as the other two. We start with receiving the message pattern3 and close by picking a new random pattern from the list, as follows:

For this pattern, we also use set rotation style <left-right>, since it looks better when the sprite is facing straight ahead.
We then use glide 1 secs to x: () y: () and set it to the middle-right corner of the screen, filling...

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Tech Concepts

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Programming languages

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