10. Rigid Body Physics with Box2D
by Alberto Cejas Sánchez, David Saltares Márquez
Libgdx Cross-platform Game Development Cookbook
- Libgdx Cross-platform Game Development Cookbook
- Table of Contents
- Libgdx Cross-platform Game Development Cookbook
- Credits
- About the Authors
- About the Reviewers
- www.PacktPub.com
- Preface
- 1. Diving into Libgdx
- Introduction
- Setting up a cross-platform development environment
- Creating a cross-platform project
- Understanding the project structure and application life cycle
- Updating and managing project dependencies
- Using source control on a Libgdx project with Git
- Importing and running the Libgdx official demos
- 2. Working with 2D Graphics
- 3. Advanced 2D Graphics
- 4. Detecting User Input
- 5. Audio and File I/O
- Introduction
- Playing short sound effects
- Audio streaming for background music
- Optimizing audio files to reduce download sizes
- Procedural audio generators
- Engine sounds with dynamic audio
- The 2D space sound system
- The first approach to file handling in Libgdx
- Using preferences to store game states and options
- The XML parsing primer
- JSON serialization and deserialization
- 6. Font Rendering
- 7. Asset Management
- 8. User Interfaces with Scene2D
- 9. The 2D Maps API
- 10. Rigid Body Physics with Box2D
- Introduction
- Introducing Box2D
- Introducing more complex shapes
- Introducing joints
- Real-life joints example – bike simulator
- Reacting to collisions
- Sensors and collision filtering
- Querying the world
- Building a physics world from level data
- Implementing a deferred raycaster
- The fixed timestep approach
- 11. Third-party Libraries and Extras
- Introduction
- Making libraries compatible with GWT
- Managing platform-specific code
- Smooth animations with Universal Tween Engine
- Dynamic 2D lighting with Box2DLights
- Adding support for localization
- Finite state machine and messaging
- Component-based entity systems with Ashley
- Skeletal animations with Spine
- 12. Performance and Optimizations
- 13. Giving Back
- Index
In this chapter, we will cover the following recipes:
- Introducing Box2D
- Introducing more complex shapes
- Introducing joints
- Real-life joints example – bike simulator
- Reacting to collisions
- Sensors and collision filtering
- Querying the world
- Building a physics world from level data
- Implementing a deferred raycaster
- The fixed timestep approach
The path to reach this chapter has been long. Coding sessions and headaches have turned you into a master of the Libgdx subsystems, but there is still one important topic that resists your reign: Box2D physics.
Do not be afraid, brave knight, because as a man of action, this chapter brings you a lot of practical content to dominate and just the necessary theoretical physics concepts to rise you to develop the ultimate game.
Samples will be very interactive and enjoyable. Tweaking and adapting their code for your own purposes can be very useful for learning.
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