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Unity 2021 Cookbook

You're reading from   Unity 2021 Cookbook Over 140 recipes to take your Unity game development skills to the next level

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Product type Paperback
Published in Sep 2021
Publisher Packt
ISBN-13 9781839217616
Length 816 pages
Edition 4th Edition
Languages
Tools
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Authors (2):
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Shaun Ferns Shaun Ferns
Author Profile Icon Shaun Ferns
Shaun Ferns
Matt Smith Matt Smith
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Matt Smith
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Toc

Table of Contents (15) Chapters Close

1. Displaying Data with Core UI Elements 2. Responding to User Events for Interactive UIs FREE CHAPTER 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 testing

The PlayMode test called TestHealthBarImageMatchesPlayerHealth() loads the HealthBar scene, gets a reference to the instance object of PlayerManager, which is a component of the PlayerManager GameObject, and invokes the ReduceHealth() method. This method reduces the player's health by 0.1. So, from its starting value of 1.0, it becomes 0.9.

The PlayerManager GameObject also has as a component that's an instance object of the C# HealthBarDisplay script class. This object registers to listen to published events from the player class. It also has a public UI Image variable that has been linked to the UI Image of the health bar filler image in the scene.

When the player's health is reduced to 0.9, it publishes the OnChangeHealth(0.9) event. This event is received by the HealthBarDisplay object instance, which then sets the fillAmount property of the linked health bar filler image in the scene.

The TestHealthBarImageMatchesPlayerHealth()...

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