Index

A

• absolute files
  • about / How it works…
• abundant music
  • about / There's more…
  • URL / There's more…
• action
  • about / Input contexts, Event notifications with InputActionListener
• actions
  • about / Input mapping for cross-platform development
• additional file dependencies
  • adding / Adding additional file dependencies
• additive blending / There's more…
• addListener() method
  • about / Input contexts
• addMessage() method / How to do it…
  • about / How to do it…
• alternatives, Git
  • mercurial / There's more…
  • subversion / There's more…
  • perforce / There's more…
• Android
  • about / How it works…
  • Libgdx game, releasing on / Releasing your Libgdx game on Android, How to do it…, There's more…
• Android Developer Tools
  • URL / Eclipse plugins
• Android Development Tools (ADT) plugin / Getting ready
• Android device
  • pairing / Making sure everything is in order
• Android Draw 9-patch tool /
• Android SDK
  • URL / Android SDK
  • about / Android SDK, How it works…
  • installing, for Mac users / Mac users
  • installing, for GNU/Linux users / GNU/Linux users
  • installing, for all users / All users
  / How it works…
• Android starter
  • about / Android starter
• animations
  • creating, with Universal Tween Engine / Smooth animations with Universal Tween Engine, How to do it…
• AnimationState class / How to do it…
• Apache Ant
  • URL / Getting ready
• application
  • profiling, with VisualVM / Profiling your application with VisualVM, Getting ready
• ApplicationAdapter / Living comfortably with ApplicationAdapter
• application life cycle
  • overview / Understanding the project structure and application life cycle, How to do it…
  • logging, using / Using logging to get to know the application life cycle
  • starter classes / Starter classes and configuration
  • configuration / Starter classes and configuration
  • working / How it works…
  • ApplicationAdapter / Living comfortably with ApplicationAdapter
  • multiscreen application, managing, with Game / Managing a multiscreen application with Game
• ApplicationListener interface
  • create() method / Using logging to get to know the application life cycle
  • resize() method / Using logging to get to know the application life cycle
  • render() method / Using logging to get to know the application life cycle
  • pause() method / Using logging to get to know the application life cycle
  • resume() method / Using logging to get to know the application life cycle
  • dispose() method / Using logging to get to know the application life cycle
• applyBlur() method / How to do it…
• area querying example / Area querying
• Array<T> class / How to do it…
• Artificial Intelligence (AI), Libgdx extensions
  • core / Core
  • for Android / Android
  • for HTML / HTML
• AS3fxr
  • URL / There's more…
  • about / There's more…
• Ashley
  • used, for creating component-based entity systems / Component-based entity systems with Ashley, Getting ready, How to do it…, How it works…, See also
  • about / Component-based entity systems with Ashley
  • URL / Component-based entity systems with Ashley
• AssetLoadingTask class /
• AssetManager
  • overview /
  • advantages /
  • about /
  • working /
  • empowering /
• assets location, in Libgdx / Assets location in Libgdx
• AsyncExecutor class /
• asynchronous asset loading
  • about /
  • working /
• asynchronous loading /
• atlas
  • rendering / More effective rendering with regions and atlases, How to do it…, Rendering regions of an atlas
  • PNG files, packing into / Packing PNG files into an atlas
  • file format / Atlas file format
• attachToBody
  • enabling / Types of lights
• attributes, Android starter
  • r / Android starter
  • g / Android starter
  • b / Android starter
  • a / Android starter
  • hideStatusBar / Android starter
  • maxSimultaneousSounds / Android starter
  • useAccelerometer / Android starter
  • useCompass / Android starter
• attributes, Desktop starter
  • r / Desktop starter
  • g / Desktop starter
  • a / Desktop starter
  • b / Desktop starter
  • disableAudio / Desktop starter
  • width / Desktop starter
  • height / Desktop starter
  • fullScreen / Desktop starter
  • vSyncEnabled / Desktop starter
  • title / Desktop starter
  • resizable / Desktop starter
  • foregroundFPS / Desktop starter
  • backgroundFPS / Desktop starter
• Audacity
  • about / Getting ready
  • URL / Getting ready, How to do it…, There's more…
• audio
  • about / Introduction
• audio files
  • optimizing / Optimizing audio files to reduce download sizes, How to do it…
  • sample rate / How it works…
  • sample format / How it works…
  • bit rate / How it works…
• audio streaming
  • for background music / Audio streaming for background music, How to do it…
  • playback state, checking / Checking the playback state
  • background music, looping / Looping the background music
• axis-aligned bounding box (AABB) / How to do it…, Getting ready

B

• Back key
  • about / There's more…
• base concepts, Box2D
  • fixtures / How it works…
  • bodies / How it works…
  • joints / How it works…
  • world / How it works…
• Bfxr
  • about / There's more…
  • URL / There's more…
• bike simulator
  • about / Real-life joints example – bike simulator
  • implementing / How to do it…
  • wheels / How to do it…
  • front damper / How to do it…
  • back damper / How to do it…
• Bitbucket
  • about / How to do it…
  • URL / How to do it…
• bitmap font files
  • generating, with Hiero /
  • rendering, with Libgdx /
• BitmapFont object / How to do it…
• bitmap fonts
  • generating /
  • rendering /
• BMFont
  • about /
  • URL /
• bodies, Box2D
  • static body / How it works…
  • kinematic body / How it works…
  • dynamic body / How it works…
• Box2D / Using bounds for collision detection
  • overview / Introducing Box2D
  • using / How to do it…
  • working / How it works…
  • base concepts / How it works…
  • about / There's more…
  • physics editor, URL / Getting ready
  • collisions / Reacting to collisions
• Box2D, Libgdx extensions
  • about / Box2D
  • core / Core
  • using, with desktop / Desktop
  • for Android / Android
  • for iOS / iOS
  • using, with HTML5 / HTML5
• Box2DLights
  • used, for creating dynamic 2D lighting / Dynamic 2D lighting with Box2DLights, How to do it…, How it works…
  • about / Dynamic 2D lighting with Box2DLights
  • RayHandler / RayHandler
  • types / Types of lights
  • considerations / There's more…
• browsers
  • Libgdx game, releasing on / Releasing your Libgdx game on browsers, How to do it…
• bullet, Libgdx extensions
  • about / Bullet
  • core / Core
  • using, with desktop / Desktop
  • for Android / Android
  • for iOS / iOS
• button widget /

C

• --color parameter /
• caching
  • about / Caching
• cameras
  • working with / Working with two cameras and viewports
• camera setup / Coordinate system and camera setup
• Cascading Style Sheet (CSS) / There's more…
• changeVolume() method
  • about / How to do it…
• character encoding
  • fixing / Fixing character encoding and line endings
• CheckBox widget /
• circles
  • rendering / Rendering circles
• class hierarchy
  • diagrammatic representation / How it works…
• classpath files
  • about / How it works…
• collision filtering
  • about / Sensors and collision filtering
  • by groups / Group collision filtering
  • flexible way / Flexible collision filtering
  • working / How it works…
• collisions
  • reacting to / Reacting to collisions, How to do it…
, How it works…, There's more…
  • high precision / How to do it…

  • low precision / How to do it…

  • void beginContact (Contact contact) function / How it works…
  • void endContact (Contact contact) function / How it works…
  • void preSolve (Contact contact, Manifold oldManifold) function / How it works…
  • void postSolve (Contact contact, ContactImpulse impulse) function / How it works…
• com.badlogic.gdx.controllers.mappings package
  • about / Controller mappings
• complex actions /
• complex gestures
  • detecting / Detecting more complex gestures, How to do it…, How it works…
• complex shapes
  • overview / Introducing more complex shapes, Getting ready
  • JSON shape data, generating / Generating JSON shape data
  • JSON shape data, loading into Libgdx / Loading JSON shape data into Libgdx
• component-based entity systems
  • creating, with Ashley / Component-based entity systems with Ashley, Getting ready, How to do it…, How it works…, There's more…
• components / How to do it…
• cone light / Types of lights
• controller interface
  • buttons / How it works…
  • axes / How it works…
  • POVs / How it works…
  • sliders / How it works…
  • accelerometer / How it works…
• controller mappings
  • about / Controller mappings
• Controllers, Libgdx extensions
  • about / Controllers
  • core / Core
  • using, with desktop / Desktop
  • using, with Android / Android
  • for HTML5 / HTML5
• controllers API
  • about / Introducing the controllers API
  • controllers extension, including / Including the controllers extension
  • controllers, enumerating / Enumerating controllers
  • controller state polling / Controller state polling
  • controller event listening / Controller event listening, How it works…
  • controller mappings / Controller mappings
  • disconnections, handling / Handling disconnections
• coordinate system / Coordinate system and camera setup
• create() method / How to do it…, How to do it…, How to do it…, How to do it…, Loading and rendering a Tiled map in Libgdx
  • float halfTapSquareSize parameter / How to do it…
  • float tapCountInterval parameter / How to do it…
  • float longPressDuration parameter / How to do it…
  • float maxFlingDelay parameter / How to do it…
  • about / Input mapping in action, How to do it…
• createBalloon() function / How to do it…

• createSoundEmitters() method
  • about / How to do it…
• createViewports() method / How to do it…
• Creative Commons license
  • URL / Git branches
• cross-platform development environment
  • setting up / Setting up a cross-platform development environment
  • software prerequisites / How to do it…
  • working / How it works…
• cross-platform project
  • about / Creating a cross-platform project
  • creating / How to do it…
  • working / How it works…, There's more…
  • dependency graph, Libgdx project skeleton / How it works…
• Cuboc
  • URL / How to do it…
• custom actor
  • creating /
  • rendering /
  • manipulating /
• custom actor manipulation
  • about /
  • simple actions /
  • complex actions /
• custom asset loaders
  • creating /
  • asset type, writing /
  • asset loader, writing /
  • built-in type loaders /

D

• --downscale parameter /
• 2D rendering
  • 3D techniques, using / 2D rendering using 3D techniques
• 2D space sound system
  • about / The 2D space sound system
  • implementing / The 2D space sound system, How to do it…
• data types, GLSL
  • float / Data types
  • vec2 / Data types
  • vec3 / Data types
  • vec4 / Data types
  • about / Data types
  • vec2i / Data types
  • vec4i / Data types
  • vec3i / Data types
  • sampler2D / Data types
• debug graphics
  • ShapeRenderer, using for / Using ShapeRenderer for debug graphics, How to do it…
  • about / Using ShapeRenderer for debug graphics
• deferred raycaster
  • implementing / Implementing a deferred raycaster, How to do it…
  • RayCastManager / The RayCastManager class
  • RayCastManager, using / Using RayCastManager
  • working / How it works…, There's more…
• depth of field effect / 2D depth of field shader
• desktop
  • about / How it works…
  • Libgdx game, releasing on / Releasing your Libgdx game on desktop, How to do it…, There's more…, See also
• Desktop starter
  • about / Desktop starter
• destroyJoint() method / GearJoint
• Dialog widget /
• directional light / Types of lights
• dispose() method / How to do it…, How to do it…
• distance field fonts
  • font rendering, scaling with /
  • about /
  • generating, with Hiero /
  • shader /
  • rendering, in Libgdx /
  • working /
  • used, for achieving dynamic font effects /
• distance joint / DistanceJoint
• domain-specific language (DSL) / How it works…
• Dropbox / Using source control on a Libgdx project with Git
• dynamic 2D lighting
  • creating, with Box2DLights / Dynamic 2D lighting with Box2DLights, Getting ready, How to do it…, How it works…
• dynamic font effects
  • glows /
  • drop shadows /
  • achieving, with distance field fonts /
  • oulines /

E

• Eclipse
  • about / Eclipse
  • URL / Eclipse, Eclipse plugins
• Eclipse plugins
  • iOS devices, managing / Eclipse plugins
  • IDE, installation steps / Eclipse plugins
  • RoboVM plugin, installation steps / Eclipse plugins
  • Gradle, installation steps / Eclipse plugins
• emitters / How to do it…
• engine sounds
  • generating, with dynamic audio / Engine sounds with dynamic audio, How to do it…, How it works…
  • direction, controlling through panning / Controlling direction through panning
  • music transitions / Music transitions
• entities / How to do it…
• EntitySystem class / How it works…
• event, Scene2D API
  • ChangeEvent /
  • FocusEvent /
  • InputEvent /
• event listeners
  • about / How it works…
  • implementing / How it works…
• event listening
  • used, for detecting user input / Detecting user input via event listening, How to do it…
  • about / Detecting user input via event listening
• event polling
  • used, for detecting user input / Detecting user input via event polling, How to do it…
  • about / Detecting user input via event polling
  • versus, event polling / Event polling versus event listening
• existing dependencies
  • updating / Updating existing dependencies
• ExtendViewport class / How it works…
• external animation / Rendering sprite-sheet-based animations
• external files
  • about / How it works…
• external repositories
  • adding / Adding external repositories

F

• Factory / There's more…
• families / How to do it…
• field shader
  • 2D depth / 2D depth of field shader, Getting ready, How to do it…, There's more…
• FileFilter interface
  • about / Filtering directory listings
• FileHandle class
  • about / Retrieving basic information from files
  • handle.name() / Retrieving basic information from files
  • handle.nameWithoutExtension() / Retrieving basic information from files
  • handle.extension() / Retrieving basic information from files
  • handle.path() / Retrieving basic information from files
  • handle.pathWithoutExtension() / Retrieving basic information from files
  • handle.lastModified() / Retrieving basic information from files
  • handle.length() / Retrieving basic information from files
  • handle.isDirectory() / Retrieving basic information from files
• FileNameFilter interface
  • about / Filtering directory listings
• FileType / How to do it…
• finishLoading() method /
• finite state machine
  • about / Finite state machine and messaging
  • agents, creating / Creating the agents
  • usage example / Usage example
  • working / How it works…, There's more…
• FitViewport class / How it works…
• fixed timestep approach
  • about / The fixed timestep approach, Fixed timestep
  • using / How to do it…
  • currentTime variable / How to do it…
  • newTime variable / How to do it…
  • variable timestep / Variable timestep
  • with interpolation / Fixed timestep with interpolation
• fixed timestep with interpolation / Fixed timestep with interpolation
• fixtures, Box2D
  • about / How it works…
  • density / How it works…
  • friction / How it works…
  • restitution / How it works…
• Flash / How it works…
• floating elements
  • about / Floating elements
  • positioning / Floating elements
• font rendering
  • scaling, with distance field fonts /
• fraction / How it works…
• fragment shader option / Avoiding unnecessary render calls with frustum culling
• fragment shaders / How to do it…
• frame buffer objects (FBO) / Frame buffers and image composition
  • URL / There's more…
• frame buffers
  • about / Frame buffers and image composition
  • working / Frame buffers and image composition, How to do it…, There's more…
• FreeTypeFont, Libgdx extensions
  • about / FreeTypeFont
  • core / Core
  • using, with desktop / Desktop
  • for Android / Android
  • for iOS / iOS
• friction joint / FrictionJoint
• frustum / How it works…
• frustum culling
  • used, for avoiding unnecessary render calls / Avoiding unnecessary render calls with frustum culling, How to do it…, How it works…, There's more…

G

• Game
  • used, for managing multiscreen application / Managing a multiscreen application with Game
• garbage collection
  • avoiding, with Libgdx features / Using Libgdx features to avoid garbage collection, Collections, Object pooling
• garbage collector (GC) / Monitoring and profiling
• Gaussian blur
  • about / 2D depth of field shader
  • URL / 2D depth of field shader
• GCC for Java
  • URL / See also
• gdx-fontpack
  • about /
  • URL /
• gdx-setup tool
  • using / How to do it…
  • URL / How to do it…
• gdx-smart-font library
  • URL /
• Gdx.audio.newSound() method / How to do it…
• Gdx.files.internal() method / Assets location in Libgdx
• Gdx.input.getAzimuth() function / How to do it…
• Gdx.input.getPitch() function / How to do it…
• Gdx.input.getRoll() function / How to do it…
• Gdx.input.getX() / How to do it…
• Gdx.input.getY() / How to do it…
• Gdx.input.isButtonPressed() / How to do it…
• Gdx.input.isKeyPressed() method / How to do it…
• Gdx.input.isTouched() / How to do it…
• Gdx.input.setInputProcessor() / How to do it…
• gear joint / GearJoint
• geometry shader option / Avoiding unnecessary render calls with frustum culling
• GestureDetector
  • about / How to do it…
• GestureDetector constructor
  • about / How to do it…
• GestureListener interface
  • definition / How to do it…
• GestureListener methods
  • tap() / How it works…
  • longPress() / How it works…
  • fling() / How it works…
  • pan() / How it works…
  • panStop() / How it works…
  • zoom() / How it works…
  • pinch() / How it works…
• gesture polling
  • about / Gesture polling
• gestures
  • about / Detecting more complex gestures
• getHeight() method / How to do it…
• getRegions() method / How to do it…
• getState() method
  • about / Input contexts
• getWidth() method / How to do it…
• Git
  • using, on Libgdix project with source control / Using source control on a Libgdx project with Git, How to do it…
  • need for / Using source control on a Libgdx project with Git
  • working / How it works…
  • basic operations / Basic operations
  • using / Basic operations
  • branches / Git branches
  • gitignore files / Gitignore files
  • alternatives / There's more…
• GitHub
  • about / How to do it…
  • URL / How to do it…
  • pull request, sending on / Sending a pull request on GitHub, Getting ready, How to do it…
• Gitorious
  • about / How to do it…
  • URL / How to do it…
• Gleed2D
  • about / There's more…
  • URL / There's more…
• GLSL
  • about / Welcome to the world of shaders
  • URL / How it works…
  • data types / Data types
• glViewport() function / Working with two cameras and viewports
• GNU/Linux users
  • Java Development Kit, installing for / GNU/Linux users
  • Android SDK, installing for / GNU/Linux users
• Google Code
  • about / How to do it…
  • URL / How to do it…
• Google Drive / Using source control on a Libgdx project with Git
• Google Web Toolkit (GWT) / How it works…
• Google Web Toolkit plugins
  • URL / Eclipse plugins
• Gradle
  • about / Eclipse plugins
  • installing / Eclipse plugins
  • URL / Eclipse plugins, There's more…
• Gradle build file primer
  • about / Gradle build file primer
• groups of assets
  • managing /
  • groundwork, laying /
  • AssetManager, empowering /
  • group-loading feature /
  • file extensions, associating to asset types /
  • asset folders, automatic scanning /
• GWT
  • used, for creating library compatibility / Making libraries compatible with GWT, How to do it…
  • URL / Making libraries compatible with GWT
• GWT dependencies
  • managing / Managing GWT dependencies
• GWT input system
  • about / How it works…

H

• Hermite cubic interpolation function / How to do it…
• Hiero
  • about /
  • used, for generating bitmap font files /
  • used, for creating font texture /
  • used, for generating distance field fonts /
• HTML 5
  • about / How it works…
• HTML project
  • steps / Making sure everything is in order
• HTML starter
  • about / HTML starter

I

• IDE
  • installing / Eclipse plugins
• ImageButton widget /
• image colors
  • inverting / Inverted colors
• image composition
  • about / Frame buffers and image composition, How to do it…, How it works…, There's more…
• ImageTextButton widget /
• image widget /
• Inkscape
  • about / There's more…
  • URL / There's more…
• input availability
  • checking / Checking input availability
• input context
  • about / Input contexts
• input contexts
  • about / Input profiles
• InputHandlerA class
  • about / How to do it…
• InputHandlerB class
  • about / How to do it…
• InputListeningSample class / How to do it…
• input mapping, for cross-platform development
  • about / Input mapping for cross-platform development, Getting ready
  • input context / Input contexts
  • input profile / Input profiles
  • event notifications, with InputActionListener / Event notifications with InputActionListener
  • implementing / Input mapping in action
• InputMultiplexer
  • about / How it works…
• InputMultiplexerSample class
  • about / How to do it…
• input multiplexing
  • about / Managing multiple listeners at once
• InputPollingSample class / How to do it…
• InputProcessor objects
  • about / How to do it…
• input profile
  • about / Input profiles
• Intel Hardware Accelerated Execution Manager (HAXM) / There's more…
• internal animation / Rendering sprite-sheet-based animations
• internal files
  • about / How it works…
• internationalization and localization (i18N) / Adding support for localization
• Invaders
  • URL / How to do it…
• iOS
  • about / How it works…
  • Libgdx game, releasing on / Releasing your Libgdx game on iOS, How to do it…
  • URL / Getting ready
• iOS App Storage Package (ipa) / How to do it…
• iOS starter
  • about / iOS starter
• isLooping() method
  • about / Looping the background music
• isPlaying() method
  • about / Checking the playback state
• IteratingSystem class / How it works…

J

• Java desktop application
  • Libgdx window, embedding / Embedding a Libgdx window into a Java desktop application, How to do it…, How it works…
• Java Development Kit
  • installing / Java Development Kit
  • installing, for Mac users / Windows and Mac users
  • installing, for Windows users / Windows and Mac users
  • installing, for GNU/Linux users / GNU/Linux users
• Java Instrumentation interface
  • URL / How it works…
• JavaVM memory spaces
  • heap / Monitoring and profiling
  • permGen / Monitoring and profiling
• JMonkeyEngine
  • URL /
  • about /
• joints
  • about / How it works…, There's more…, See also
  • overview / Introducing joints, Getting ready
  • using / How to do it…
  • weld joint / WeldJoint
  • distance joint / DistanceJoint
  • rope joint / RopeJoint
  • friction joint / FrictionJoint
  • revolute joint / RevoluteJoint
  • prismatic joint / PrismaticJoint
  • pulley joint / PulleyJoint
  • gear joint / GearJoint
  • real-life examples, bike simulator / Real-life joints example – bike simulator
• JSON
  • about / JSON serialization and deserialization
  • URL / JSON serialization and deserialization
  • deserialization / JSON serialization and deserialization, How to do it…
  • serialization / Getting ready, How to do it…
  • objects, reading from / Reading objects from JSON
  • objects, writing to / Writing objects to JSON
  • manual parsing / Manual JSON parsing
  • Serializable interface / The Serializable interface
  • Serializer interface / The Serializer interface
• JSON shape data
  • generating / Generating JSON shape data
  • loading, into Libgdx / Loading JSON shape data into Libgdx
  • working / How it works…, There's more…
• juicy effects
  • creating, with Particle Editor / Achieving juicy effects with particles, The basics of Particle Editor

K

• key concepts, Scene2D API
  • actor /
  • action /
  • event /
• keyDown() event handler
  • about / Input contexts, How to do it…
• keyDown() method / How to do it…
• keystore / How to do it…
• keyTyped() method / How to do it…
• keyUp() method / How to do it…

L

• label widget /
• language files
  • creating / Creating language files
• Launch4J
  • URL / See also
• level data
  • physics world, building from / Building a physics world from level data, How to do it…
• Libgdx
  • URL / There's more…,
  • used, for rendering particle effects / Rendering particle effects with Libgdx
  • used, for rendering bitmap font files /
  • distance field fonts, rendering in /
  • map metadata, querying from / Querying map metadata from Libgdx
  • JSON shape data, loading into / Loading JSON shape data into Libgdx
• Libgdx collections
  • about / Collections
• Libgdx extensions
  • adding / Adding Libgdx extensions
  • bullet / Bullet
  • FreeTypeFont / FreeTypeFont
  • Controllers / Controllers
  • Box2D / Box2D
  • Tools / Tools
  • Artificial Intelligence (AI) / AI
  • external repositories, adding / Adding external repositories
  • additional file dependencies, adding / Adding additional file dependencies
  • GWT dependencies, managing / Managing GWT dependencies
• Libgdx features
  • used, for avoiding garbage collection / Using Libgdx features to avoid garbage collection, Collections, Object pooling
• Libgdx filesystem
  • file handling / The first approach to file handling in Libgdx
  • information, retrieving from files / Retrieving basic information from files
  • tree structures, traversing / Traversing tree structures
  • file writing / Writing to and reading from files
  • file, reading / Writing to and reading from files
  • files and directories, copying / Copying and deleting files and directories
  • files and directories, deleting / Copying and deleting files and directories
  • temporary files, creating / Creating temporary files
  • directory listings, filtering / Filtering directory listings
  • file streaming / File streaming
• Libgdx game
  • releasing, on desktop / Releasing your Libgdx game on desktop, How to do it…, See also
  • releasing, on Android / Getting ready, How to do it…, There's more…
  • releasing, on iOS / Releasing your Libgdx game on iOS, How to do it…
  • releasing, on browsers / Releasing your Libgdx game on browsers, Getting ready, How to do it…, There's more…
• Libgdx loaders
  • URL / How to do it…
• Libgdx official demos
  • importing / Importing and running the Libgdx official demos, How to do it…, How it works…
  • running / Importing and running the Libgdx official demos, How to do it…, How it works…
  • Pax Britannica / How to do it…
  • Metagun / How to do it…
  • Super Jumper / How to do it…
  • Invaders / How to do it…
  • Vector Pinball / How to do it…
  • Cuboc / How to do it…
  • The Plane That Couldn’t Fly Good / How to do it…
  • Very Angry Robots / How to do it…
• Libgdx sources
  • working from / Working from sources, How to do it…
• Libgdx sprites
  • using / Taking advantage of Libgdx sprites, How to do it…
  • working / How it works…
  • bounds, using for collision detection / Using bounds for collision detection
• Libgdx window
  • embedding, into Java desktop application / Embedding a Libgdx window into a Java desktop application, How to do it…, How it works…
• library compatibility
  • creating, with GWT / Making libraries compatible with GWT, How to do it…
• library usage, Universal Tween Engine
  • tween / Tween – a core class
  • tween, methods / Tween – a core class
  • tweens, organizing / Organizing tweens
• line endings
  • fixing / Fixing character encoding and line endings
• Line of Sight (LOS) / Querying the world
• lines
  • rendering / Rendering lines
• Listener class / How to do it…
• list widget /
• load() method
  • about / Input contexts
• local files
  • about / How it works…
• localization support
  • adding / Adding support for localization, Getting ready
  • language files, creating / Creating language files
  • languages, managing / Managing languages
  • usage example / Usage example
• logging
  • using / Using logging to get to know the application life cycle
• LWJGL (Light Weight Java Game Library) / How it works…
• LWJGL framework
  • about / How it works…

M

• Mac users
  • Java Development Kit, installing for / Windows and Mac users
  • Android SDK, installing for / Mac users
• MapBodyManager constructor
  • working / How it works…, There's more…
• Map class / How it works…
• MapLayer class
  • about / How it works…
  • URL / Querying map metadata from Libgdx
• map loaders
  • developing / Developing your own map loaders and renderers, How to do it…
• map metadata
  • adding / Adding and querying map metadata, Object layers and properties in Tiled, Querying map metadata from Libgdx
  • querying / Adding and querying map metadata, Object layers and properties in Tiled, Querying map metadata from Libgdx
  • querying, from Libgdx / Querying map metadata from Libgdx
  • working / How it works…
• MapObject class / How it works…
• MapProperties class
  • about / How it works…
  • URL / Querying map metadata from Libgdx
• MapRenderer class
  • about / How it works…
• maps
  • creating, with Tiled / Creating maps with Tiled and loading them into Libgdx, Creating a basic map with Tiled, Loading and rendering a Tiled map in Libgdx, How it works…, There's more…
  • loading, into Libgdx / Creating maps with Tiled and loading them into Libgdx
• maps package, Libgdx
  • URL / How to do it…
• materials
  • defining / Defining materials
• mechanical wave / How it works…
• Menu key
  • about / There's more…
  • intercepting, with Back key / There's more…
• menu screen
  • creating, with tables /
  • bounds, expanding /
  • fill methods /
  • uniform() method /
  • sizing /
  • pading /
  • spacing /
  • alignment /
  • rows /
  • columns /
  • table.defaults() method /
• mercurial
  • URL / There's more…
• messaging / Finite state machine and messaging, How to do it…
• Metagun
  • URL / How to do it…
• metrics, bitmap fonts
  • baseline /
  • ascent /
  • descent /
  • font height /
• mouseMoved() method / How to do it…
• MP3
  • about / How to do it…
• multiple listeners
  • managing / Managing multiple listeners at once, How to do it…, See also
• multiple screen sizes
  • handling, with viewports / Handling multiple screen sizes with viewports, How to do it…
• multiscreen application
  • managing, with Game / Managing a multiscreen application with Game

N

• normal / How it works…

O

• object pooling
  • about / Object pooling
  • steps / Object pooling
• Observer
  • about / Detecting user input via event listening
• occlusion culling / There's more…
• OGG Vorbis
  • about / How to do it…
• Ogmo
  • about / There's more…
  • URL / There's more…
• on-screen keyboard
  • showing / Showing the on-screen keyboard
• onCompletion() method
  • about / How to do it…
• OpenAL / How it works…
• OpenGL (Open Graphics Library) / How it works…
• OpenGL ES / How it works…
• OpenGL ES precision specifiers / OpenGL ES precision specifiers
• OpenJDK / GNU/Linux users
• Oracle
  • URL / Java Development Kit
• OrthogonalTiledMapRenderer class / How it works…
• orthographic cameras
  • about / Understanding orthographic cameras
  • working with / How to do it…, How it works…
  • UI, rendering / Rendering UI on top of the game world
  • split screen gameplay, achieving / Split screen
• orthographic projection / 2D rendering using 3D techniques
• overlaps() method / Using bounds for collision detection

P

• Packr
  • about / Getting ready
  • URL / Getting ready
• pan
  • about / Controlling direction through panning
• parameters
  • passing, into shader programs / Passing parameters into shader programs, How to do it…
• parameters, GwtApplicationConfiguration object
  • antialiasing / HTML starter
  • canvasId / HTML starter
  • fps / HTML starter
  • width / HTML starter
  • height / HTML starter
• parameters, IOSApplicationConfiguration class
  • accelerometerUpdate / iOS starter
  • orientationLandscape / iOS starter
  • orientationPortrait / iOS starter
  • preferredFramesPerSecond / iOS starter
  • useAccelerometer / iOS starter
  • useCompass / iOS starter
• Particle Editor
  • used, for creating juicy effects / Achieving juicy effects with particles, How to do it…, The basics of Particle Editor
  • about / Achieving juicy effects with particles
  • basics / The basics of Particle Editor
  • working / How it works…, There's more…
• particle effects
  • rendering, with Libgdx / Rendering particle effects with Libgdx
• particle pooling / There's more…
• particles
  • used, for creating juicy effects / Achieving juicy effects with particles
• particle system / Achieving juicy effects with particles
• Pax Britannica
  • URL / How to do it…
• perforce
  • URL / There's more…
• perspective projection / 2D rendering using 3D techniques
• physics metadata
  • generating / Generating the physics metadata
• physics world
  • querying / Querying the world, Raycasting, How it works…, There's more…
  • area querying / Area querying
  • building, from level data / Building a physics world from level data, How to do it…
  • populating / Populating your world
• pitch
  • about / How it works…
• placeholder sound effect
  • about / Procedural audio generators
• platform-specific code
  • managing / Managing platform-specific code, How to do it…, There's more…
• play() method
  • about / How to do it…
• Player inner class
  • about / How to do it…
• play modes, sprite sheet based animations
  • PlayMode.NORMAL / Using different play modes
  • PlayMode.REVERSED / Using different play modes
  • PlayMode.LOOP / Using different play modes
  • PlayMode.LOOP_REVERSED / Using different play modes
  • PlayMode.LOOP_RANDOM / Using different play modes
• playSong() method
  • about / How to do it…
• PNG files
  • packing, into atlas / Packing PNG files into an atlas
  • packaging, into atlas / Packing PNG files into an atlas
• point / How it works…
• pointer
  • about / How to do it…
• point light / Types of lights
• points
  • rendering / Rendering points
• precision / OpenGL ES precision specifiers
• preferences
  • used, for storing game state and options / Using preferences to store game states and options, How to do it…, There's more…
• preserveTree parameter / Copying and deleting files and directories
• prismatic joint / PrismaticJoint
• procedural audio generators
  • about / Procedural audio generators
• procedural effect generators
  • about / Procedural audio generators
• Pro Git
  • URL / There's more…
• ProgressBar widget /
• project dependencies
  • updating / Updating and managing project dependencies, There's more…
  • managing / Updating and managing project dependencies, There's more…
  • Gradle build file primer / Gradle build file primer
  • existing dependencies, updating / Updating existing dependencies
  • Libgdx extensions, adding / Adding Libgdx extensions
• project structure
  • overview / Understanding the project structure and application life cycle, How to do it…
  • working / How it works…
• pulley joint / PulleyJoint
• pull request
  • sending, on GitHub / Sending a pull request on GitHub, Getting ready, How to do it…, There's more…

R

• rasterization option / Avoiding unnecessary render calls with frustum culling
• raycasting / Raycasting
• RayCastManager
  • about / The RayCastManager class
  • using / Using RayCastManager
• RayHandler
  • about / RayHandler
• rectangles
  • rendering / Rendering rectangles
• regions
  • rendering / More effective rendering with regions and atlases, How to do it…
• removeListener() method
  • about / Input contexts
• render() method / There's more…, How to do it…, How to do it…, Loading and rendering a Tiled map in Libgdx
  • about / Input mapping in action
• render calls
  • avoiding, with frustum culling / Avoiding unnecessary render calls with frustum culling, How to do it…, How it works…, There's more…
• renderers
  • developing / Developing your own map loaders and renderers, How to do it…
  • URL / How to do it…
• renderers, Tiled maps
  • HexagonalTiledMapRenderer / There's more…
  • IsometricTiledMapRenderer / There's more…
  • IsometricStaggeredTiledMapRenderer / There's more…
  • OrthoCachedTiledMapRenderer / There's more…
• RenderSystem class / How to do it…
• render to texture process / Frame buffers and image composition
• revolute joint / RevoluteJoint
• RoboVM
  • about / How it works…
• RoboVM plugin
  • URL / Eclipse plugins
• rope joint / RopeJoint

S

• --spread parameter /
• sample types
  • CPU samples / Monitoring and profiling
  • memory samples / Monitoring and profiling
• scale() method / How to do it…
• Scene2D API
  • about /
  • features /
  • custom actor, creating /
  • custom actor, rendering /
  • custom actor, manipulating /
  • working /
  • URL /
• Scene2D listeners
  • ActorGestureListener /
  • ChangeListener /
  • DragListener /
  • DragScrollListener /
  • FocusListener /
  • InputListener /
  • TextField.TextFieldClickListener /
  • TextArea.TextAreaListener /
• Scene2D UI API / There's more…
• Scene2d UI components
  • widgets /
  • groups /
• scene graph /
• ScreenLogMessage class
  • about / How to do it…
• scrolled() method / How to do it…
• ScrollPane widget /
• SelectBox widget /
• sensors
  • about / Sensors and collision filtering
  • using / Sensors
  • working / How it works…
• Separating Axis Theorem (SAT) / How it works…
• sepia effect / The sepia effect
• Serializable interface / The Serializable interface
• Serializer interface / The Serializer interface
• setColor() method / There's more…
• setContext() method
  • about / Input profiles
• setSoft
  • enabling / Types of lights
• setValues() method / Creating your accessor
• setVolume() method
  • about / How to do it…
• setXray
  • enabling / Types of lights
• SFX
  • about / Playing short sound effects
• Sfxr
  • about / Procedural audio generators
  • URL / Getting ready
  • reference link, for repository / Getting ready
  • sound effects, generating / How to do it…
• Sfxr for Android
  • URL / There's more…
  • about / There's more…
• shader compiler errors
  • detecting / Detecting shader compiler errors
• shader programs
  • URL / How it works…
  • compiler errors, detecting / Detecting shader compiler errors
  • uniform settings / More efficient uniform settings
• shaders
  • about / Welcome to the world of shaders, Getting ready
  • working with / How to do it…
  • vertex shaders / How to do it…
  • fragment shaders / How to do it…
  • vertex attributes / Vertex attributes
  • uniforms / Uniforms
  • OpenGL ES precision specifiers / OpenGL ES precision specifiers
• shape assembly option / Avoiding unnecessary render calls with frustum culling
• ShapeRenderer
  • using, for debug graphics / Using ShapeRenderer for debug graphics, How to do it…
  • lines, rendering / Rendering lines
  • circles, rendering / Rendering circles
  • rectangles, rendering / Rendering rectangles
  • points, rendering / Rendering points
  • triangles, rendering / Rendering triangles
  • working / How it works…
• simple actions /
• SizeComponent class / How to do it…
• skeletal animations
  • creating, with Spine / Skeletal animations with Spine, How to do it…, How it works…
• skin
  • about / Skin customization
  • customizing / How to do it…
  • advantage / How to do it…
  • working / How it works…
• Slider widget /
• software prerequisites, cross-platform development environment
  • Java Development Kit / Java Development Kit
  • Eclipse / Eclipse
  • Android SDK / Android SDK
  • Eclipse plugins / Eclipse plugins
  • XCode / XCode
  • character encoding, fixing / Fixing character encoding and line endings
  • line endings, fixing / Fixing character encoding and line endings
  • order, confirming / Making sure everything is in order
• SoundData
  • about / How to do it…
  • properties / How to do it…
• sound effects
  • playing / Playing short sound effects, How to do it…, How it works…
  • sounds, handling individually / Handling sounds individually
  • volume, changing / Changing the volume
  • looping sounds, creating / Creating looping sounds
  • effect priorities, managing / Managing effect priorities
• SoundEmitter inner class
  • about / How to do it…
• SoundInstance objects
  • about / How to do it…
• SoundManager class
  • about / How to do it…
• sound tag / How it works…
• sound wave, over time
  • amplitude / How it works…
  • wavelength / How it works…
  • period / How it works…
  • frequency / How it works…
• source control, Libgdx project
  • using, with Git / Using source control on a Libgdx project with Git, How to do it…
• SourceTree
  • about / Getting ready
  • URL / Getting ready
• SpatialAudioSample class
  • about / How to do it…
• Spine
  • about / Skeletal animations with Spine
  • used, for creating skeletal animations / Skeletal animations with Spine, How to do it…, How it works…
  • URL / How to do it…
• SplitPane widget /
• split screen mode / Split screen
• SpriteBatch
  • used, for texture rendering / Texture rendering with SpriteBatch, Getting ready, How to do it…, There's more…, See also
  • working / How SpriteBatch works
• SpriteBatch class
  • URL / There's more…
• SpriteBatch draw() method / There's more…
• sprite sheet based animations
  • rendering / Rendering sprite-sheet-based animations, How to do it…
  • working / How it works…, There's more…
  • different play modes, using / Using different play modes
  • finish step, checking / Checking when an animation has finished
  • character with many animations, handling / Handling a character with many animations, See also
• Stack widget /
• starter classes
  • Desktop starter / Desktop starter
  • Android starter / Android starter
  • HTML starter / HTML starter
  • iOS starter / iOS starter
• state
  • about / Input contexts
• states
  • about / Input mapping for cross-platform development, Event notifications with InputActionListener
• streaming
  • about / Audio streaming for background music
• subversion
  • URL / There's more…
• SunVox
  • about / There's more…
  • URL / There's more…
• Super Jumper
  • URL / How to do it…
  • working with / How to do it…
• Swing application / Embedding a Libgdx window into a Java desktop application
• synchronous loading /
• systems / How to do it…

T

• table.defaults() method /
• tables
  • used, for creating menu screen /
• test, Libgdx
  • creating / Creating a new test for your fresh feature
  • URL / How to do it…
• tests and blending option / Avoiding unnecessary render calls with frustum culling
• TextButton widget /
• TextField widget /
• TextureComponent / How to do it…
• texture filters
  • about / Texture filters
  • nearest / Texture filters
  • linear / Texture filters
• TextureLoader class /
• TexturePacker
  • about / Packing PNG files into an atlas
  • URL / Packing PNG files into an atlas
• texturepacker-gui option
  • about / Packing PNG files into an atlas
• TexturePacker class
  • URL / There's more…
• texture rendering
  • SpriteBatch, using for / Texture rendering with SpriteBatch, Getting ready, How to do it…, There's more…, See also
  • 2D rendering, with 3D techniques / 2D rendering using 3D techniques
  • coordinate system / Coordinate system and camera setup
  • camera setup / Coordinate system and camera setup
  • assets location, in Libgdx / Assets location in Libgdx
  • draw order / Draw order
  • texture filters / Texture filters
• texture size
  • limitations / A note on texture size limitations, There's more…
• The Plane That Couldn’t Fly Good
  • URL / How to do it…
• Throwable class /
• tIDE Tile Map Editor
  • URL / There's more…
• Tiled
  • used, for creating maps / Creating maps with Tiled and loading them into Libgdx, Creating a basic map with Tiled, Loading and rendering a Tiled map in Libgdx, How it works…, There's more…
  • URL / Getting ready
  • properties / Object layers and properties in Tiled
  • object layers / Object layers and properties in Tiled
• Tiled editor
  • running / Object layers and properties in Tiled
• Tiled map
  • loading, in Libgdx / Loading and rendering a Tiled map in Libgdx, How it works…
  • rendering, in Libgdx / Loading and rendering a Tiled map in Libgdx, How it works…
• toJson() method / Writing objects to JSON
• Tools, Libgdx extensions
  • using, with desktop / Tools
  • core / Tools
• Tortoise Git / Getting ready
• touchDown() handler
  • about / How to do it…
• touchdown() method / Rendering particle effects with Libgdx
• touchDragged() method / How to do it…
• Touchpad widget /
• touchUp() method / How to do it…
• TransformComponent / How to do it…
• Tree widget /
• triangles
  • rendering / Rendering triangles
• TTF
  • about /
• tweens
  • about / Tween – a core class
  • methods / Tween – a core class
  • organizing / Organizing tweens
  • sequence control structure / Organizing tweens
  • parallel control structure / Organizing tweens
• tweens types
  • to (Tweenable object, int tweenType, int duration) / Tween – a core class
  • from (Tweenable object, int tweenType, int duration / Tween – a core class
  • set (Tweenable object, int tweenType) / Tween – a core class
  • call (IterationCompleteCallback callback) / Tween – a core class
• types, Box2DLights
  • point light / Types of lights
  • cone light / Types of lights
  • directional light / Types of lights

U

• UML class diagram / How it works…
• uniforms, shaders / Uniforms, Passing parameters into shader programs
• Universal Tween Engine
  • used, for creating animations / Smooth animations with Universal Tween Engine, How to do it…
  • about / Smooth animations with Universal Tween Engine
  • accessor, creating / Creating your accessor
  • library usage / Library usage
  • working / How it works…
• update() method
  • about / How to do it…
• updateCamera() function / Loading and rendering a Tiled map in Libgdx
• updateEngine() / How to do it…
• updateListener() method
  • about / How to do it…
• user input
  • detecting, via event polling / Detecting user input via event polling, Getting ready, How to do it…, How it works…
  • detecting, via event listening / Detecting user input via event listening, How to do it…

V

• variable timestep / Variable timestep
• vertex attributes, shaders / Vertex attributes
• vertex shader option / Avoiding unnecessary render calls with frustum culling
• vertex shaders / How to do it…
• Very Angry Robots
  • URL / How to do it…
• Viewport API
  • URL / Getting the most out of Viewport
• Viewport implementation
  • building / Build your own Viewport implementation
• viewports
  • used, for handling multiple screen sizes / Handling multiple screen sizes with viewports, How to do it…
  • working / How it works…
  • using / Getting the most out of Viewport
  • working with / Working with two cameras and viewports
• VisualVM
  • used, for profiling application / Profiling your application with VisualVM, Getting ready
  • about / Profiling your application with VisualVM
  • URL / Getting ready
  • installing / Installing VisualVM
  • launcher, changing / Changing the launcher
  • monitoring / Monitoring and profiling
  • profiling / Monitoring and profiling
  • working / How it works…
• VisualVM launcher
  • modifying / Changing the launcher

W

• waves / How it works…
• WAV files
  • about / How to do it…
• weld joint / WeldJoint
• wheel joint / WheelJoint
• widget
  • creating / Creating new widgets, How to do it…, Creating a widget
  • label /
  • image /
  • button /
  • TextButton /
  • ImageButton /
  • ImageTextButton /
  • CheckBox /
  • TextField /
  • list /
  • ScrollPane /
  • SelectBox /
  • ProgressBar /
  • Slider /
  • Touchpad /
  • Stack /
  • Tree /
  • SplitPane /
  • Window /
  • Dialog /
  • working / How it works…, There's more…
  • using / Using a widget
• widget collection
  • overview /
• Windows users
  • Java Development Kit, installing for / Windows and Mac users
• Window widget /
• World Wide Web Consortium (W3C)
  • about / The XML parsing primer
  • URL / The XML parsing primer

X

• Xbox 360 controller mapping
  • diagrammatic representation / There's more…
• XCode / XCode
• XML
  • about / The XML parsing primer
• XML parsing primer
  • about / The XML parsing primer, How to do it…, There's more…

Y

• y-down approach / Coordinate system and camera setup
• y-up system / Coordinate system and camera setup

Z

• Z-index /