Book Image

Monkey Game Development: Beginner's Guide

By : Michael Hartlef
Book Image

Monkey Game Development: Beginner's Guide

By: Michael Hartlef

Overview of this book

Monkey is a programming language and toolset that allows its user to develop modern 2D games easily for mobile and other platforms like iOS, Android, HTML5, FLASH, OSX, Windows and XNA. With Monkey you can create best selling games in a matter of weeks, instead of months.Monkey Game Development Beginner's Guide provides easy-to-follow step by step instructions on how to create eight different 2D games and how to deploy them to various platforms and markets. Learning about the structure of Monkey and how everything works together you will quickly create eight classical games and publish them to the modern app markets. Throughout the book you will learn important game development techniques like collision detection, handling player input with mouse, keyboard or touch events and creating challenging computer AI. The author explains how to emit particle effects, play sound and music files, use sprite sheets, load or save high-score tables and handle different device resolutions. Finally you will learn how to monetize your games so you can generate revenue.
Table of Contents (16 chapters)
Monkey Game Development
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
3
Game #2, Rocket Commander
4
Game #3, CometCrusher
5
Game #4, Chain Reaction
6
Game #5, Balls Out!
8
Game #7, Air Dogs 1942
9
Game #8, Treasure Chest

Time for action — finalizing the OnUpdate method


  1. 1. Head over to the OnUpdate method and add a Select statement with the gameMode as a parameter.

    Method OnUpdate:Int()
    Select gameMode
    
  2. 2. When the game mode is gmPlay, update the engine with the deltaTime divided by 60 as a speed parameter.

    Case gmPlay
    eng.Update(Float(UpdateGameTime())/60.0)
    
  3. 3. Do a collision check only on the layerGame layer.

    eng.CollisionCheck(layerGame)
    
  4. 4. Update the info text objects.

    UpdateInfoText()
    
  5. 5. When the game mode is gmMenu or gmGameOver.

    Case gmMenu, gmGameOver
    

    If the P key was hit, then start a new game.

    If KeyHit(KEY_P) Then
    StartNewGame()
    Endif
    

    If the H key was hit, then show the high score list.

    If KeyHit(KEY_H) Then
    ShowScoreList()
    Endif
    
  6. 6. When the game mode is gmScoreList.

    Case gmScoreList
    

    If the P key was hit, start a new game.

    If KeyHit(KEY_P) Then
    StartNewGame()
    Endif
    
  7. 7. End the Select statement.

    End
    Return 0
    End
    

What just happened?

Now, if you build the game without any errors and press the P key, then you...