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Hands-On Unity 2022 Game Development

You're reading from   Hands-On Unity 2022 Game Development Learn to use the latest Unity 2022 features to create your first video game in the simplest way possible

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Product type Paperback
Published in Oct 2022
Publisher Packt
ISBN-13 9781803236919
Length 712 pages
Edition 3rd Edition
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Author (1):
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Nicolas Alejandro Borromeo Nicolas Alejandro Borromeo
Author Profile Icon Nicolas Alejandro Borromeo
Nicolas Alejandro Borromeo
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Table of Contents (23) Chapters Close

Preface 1. Creating a Unity Project FREE CHAPTER 2. Editing Scenes and Game Objects 3. Grayboxing with Terrain and ProBuilder 4. Importing and Integrating Assets 5. Introduction to C# and Visual Scripting 6. Implementing Movement and Spawning 7. Physics Collisions and Health System 8. Win and Lose Conditions 9. Implementing Game AI for Building Enemies 10. Materials and Effects with URP and Shader Graph 11. Visual Effects with Particle Systems and Visual Effect Graph 12. Lighting Using the Universal Render Pipeline 13. Full-Screen Effects with Post-Processing 14. Sound and Music Integration 15. User Interface Design 16. Creating a UI with the UI Toolkit 17. Creating Animations with Animator, Cinemachine, and Timeline 18. Optimization with Profiler, Frame Debugger, and Memory Profiler 19. Generating and Debugging an Executable 20. Augmented Reality in Unity 21. Other Books You May Enjoy
22. Index

Detecting collisions

As you can see, proper physics settings can be complicated and very important, but now that we have tackled that, let’s do something with those settings by reacting to the contact in different ways and creating a health system in the process.

In this section, we will examine the following collision concepts:

  • Detecting Trigger events
  • Modifying the other object

First, we are going to explore the different collision and trigger events Unity offers to react to contact between two objects through the Unity collision events. This allows us to execute any reaction code we want to place, but we are going to explore how to modify the contacted object components using the GetComponent function.

Detecting Trigger events

If objects are properly configured, as previously discussed, we can get two reactions: collisions or triggers. The Collision reaction has a default effect that blocks the movement of the objects, but we can add...

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