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Cocos2d-x by example (update)

By : Roger Engelbert

4.9 (10)

Cocos2d-x by example (update)

4.9 (10)

By: Roger Engelbert

Overview of this book

If you are a game enthusiast who would like to develop and publish your own game ideas onto different app stores, this is the book for you. Some knowledge of C++ or Java is helpful but not necessary.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Time for action – heading

Conventions

Reader feedback

Customer support

Free Chapter

1. Installing Cocos2d-x

1. Installing Cocos2d-x

Downloading and installing Cocos2d-x

Time for action – downloading, downloading, downloading

Time for action – installing Cocos2d-x

Hello-x World-x

Time for action – creating an application

Time for action – deploying to Android

Finding more reference material

Time for action – running the test samples

The other tools

Summary

2. You Plus C++ Plus Cocos2d-x

2. You Plus C++ Plus Cocos2d-x

Cocos2d-x – an introduction

The class interface

Time for action – creating the interface

The class implementation

Time for action – creating the implementation

Instantiating objects and managing memory

What you get with Ref

Summary

3. Your First Game – Air Hockey

3. Your First Game – Air Hockey

Game configurations

Time for action – creating your game project

Time for action – laying down the rules

Supporting retina displays

Time for action – adding the image files

Time for action – adding retina support

Adding sound effects

Time for action – adding the sound files

Extending Sprite

Time for action – adding GameSprite.cpp

Time for action – implementing GameSprite

The actual game scene

Time for action – coding the GameLayer interface

Time for action – implementing init()

Time for action – handling multitouches

Time for action – adding our main loop

Time for action – updating scores

Time for action – running the game in Android

Summary

4. Fun with Sprites – Sky Defense

4. Fun with Sprites – Sky Defense

The game – sky defense

Using sprite sheets in Cocos2d-x

Time for action – creating SpriteBatchNode

Bitmap fonts in Cocos2d-x

Time for action – creating bitmap font labels

Time for action – adding the final screen sprites

Time for action – creating our object pools

Actions in a nutshell

Time for action – creating actions with Cocos2d-x

Animating a sprite in Cocos2d-x

Time for action – creating animations

Time to make our game tick!

Time for action – handling touches

Time for action – starting and restarting the game

Time for action – updating the game

Time for action – retrieving objects from the pool

Play the game!

Time for action – running the game in Android

Summary

5. On the Line – Rocket Through

5. On the Line – Rocket Through

The game – Rocket Through

So what are particles?

Time for action – creating particle systems

Creating the grid

Drawing primitives in Cocos2d-x

Time for action – let's do some drawing!

The rocket sprite

Time for action – updating our rocket sprite

Time for action – handling touches

The game loop

Time for action – adding the main loop

Kill and reset

Time for action – adding our resets and kills

Time for action – running the game in Android

Summary

6. Quick and Easy Sprite – Victorian Rush Hour

6. Quick and Easy Sprite – Victorian Rush Hour

The game – Victorian Rush Hour

The game settings

Rapid prototyping with Cocos2d-x

Time for action – creating placeholder sprites

The Player object

The Block object

The terrain object

Time for action – coding the player

Time for action – coding the Block object

Time for action – initializing our Terrain class

Time for action – initializing our Blocks object

Time for action – moving and resetting

Platform collision logic

Time for action – adding collision detection

Adding the controls

Time for action – handling touches

Time for action – coding the main loop

Summary

7. Adding the Looks – Victorian Rush Hour

7. Adding the Looks – Victorian Rush Hour

Victorian Rush Hour – the game

Texturing our buildings with sprites

Time for action – texturing the buildings

Containers within containers

Creating a parallax effect

Time for action – creating a parallax effect

Adding a menu to our game

Time for action – creating Menu and MenuItem

Adding a tutorial to our game

Time for action – adding a tutorial

Time for action – running the game in Android

Summary

8. Getting Physical – Box2D

8. Getting Physical – Box2D

Building a Box2D project with Cocos2d-x

Time for action – using debug draw in your Box2D project

So what is a physics engine?

Our game – MiniPool

Time for action – adding the touch events

Time for action – adding the main loop

Time for action – creating a timer

Time for action – running the game in Android

Summary

9. On the Level – Eskimo

9. On the Level – Eskimo

The game – Eskimo

Using scenes in Cocos2d-x

Time for action – creating a scene transition

Time for action – creating transitions with a singleton Layer class

Loading external data from a .plist file

Time for action – creating a .plist file

Loading the level data

Time for action – retrieving data from the .plist file

Saving game data

Time for action – storing the completed levels

Using events in your game

Time for action – using the event dispatcher

Using the accelerometer

Time for action – reading accelerometer data

Reusing b2Bodies

Time for action – changing a b2Body fixture

Time for action – running the game in Android

Summary

10. Introducing Lua!

10. Introducing Lua!

So what is Lua like?

The game – Stone Age

Time for action – creating or importing a project

Time for action – setting up our screen resolution

Time for action – creating a menu scene

Time for action – creating our game scene

Time for action – building the gems

Time for action – changing the grid with GridController

Time for action – swapping the gems and looking for matches

Time for action – collapsing the grid and repeating

Time for action – animating matches and collapses

Time for action – publishing the game with the Cocos IDE

Summary

A. Vector Calculations with Cocos2d-x

A. Vector Calculations with Cocos2d-x

What are vectors?

Using ccp helper methods

B. Pop Quiz Answers

Chapter 4, Fun with Sprites – Sky Defense

Chapter 8, Getting Physical – Box2D

Index

Index

Time for action – adding a tutorial

Let's move back to our createGameScreen method.

Inside that method, add the following lines to create our Label object:

_tutorialLabel = Label::createWithTTF("", "fonts/Times.ttf", 60);
_tutorialLabel->setPosition(Vec2 (_screenSize.width *  0.5f, _screenSize.height * 0.6f) );
this->addChild(_tutorialLabel, kForeground);
_tutorialLabel->setVisible(false);

We add four states to our enumerated list of game states. These will represent the different steps in our tutorial:
```
typedef enum {
  kGameIntro,
  kGamePlay,
  kGameOver,
  kGameTutorial,
  kGameTutorialJump,
  kGameTutorialFloat,
  kGameTutorialDrop

} GameState;
```
The first tutorial state, kGameTutorial, acts as a separator from all other game states. So, if the value for _state is greater than kGameTutorial, we are in tutorial mode.
Now, depending on the mode, we display a different message and we wait on a different condition to change to a new tutorial state.
If you...

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