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Unity 2021 Cookbook - Fourth Edition

You're reading from  Unity 2021 Cookbook - Fourth Edition

Product type Book
Published in Sep 2021
Publisher Packt
ISBN-13 9781839217616
Pages 816 pages
Edition 4th Edition
Languages
Author (1):
Shaun Ferns Shaun Ferns
Profile icon Shaun Ferns
Toc

Table of Contents (15) Chapters close

1. Displaying Data with Core UI Elements 2. Responding to User Events for Interactive UIs 3. Inventory and Advanced UIs 4. Playing and Manipulating Sounds 5. Creating 3D Objects, Terrains, Textures, and Materials 6. 2D Animation and Physics 7. Characters, Game Kits, and Starter Assets 8. Web Server Communication and Online Version Control 9. Controlling and Choosing Positions 10. Navigation Meshes and Agents 11. Cameras and Rendering Pipelines 12. Shader Graphs and Video Players 13. Advanced Topics - Gizmos, Automated Testing, and More 14. Particle Systems and Other Visual Effects 15. Virtual and Augmented Reality (VR/AR)

PlayMode and unit testing a player health bar with events, logging, and exceptions

In this recipe, we will combine many different kinds of tests for a feature tha's included in many games a visual health bar representing the player's numeric health value (in this case, a float number from 0.0 to 1.0). Although far from comprehensively testing all the aspects of the health bar, this recipe will provide a good example of how we can go about testing many different parts of a game using the Unity Testing tools.

A Unity package has been provided that contains the following:

  • Player.cs: A player script class for managing values for player health that uses delegates and events to publish health changes to any listening View classes.
  • Two View classes that register to listen for player health change events:
    • HealthBarDisplay.cs: This updates fillAmount for a UI Image for each new player health value that's received.
    • HealthChangeLogger.cs: This prints messages about...
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