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Hands-On Unity 2020 Game Development

You're reading from   Hands-On Unity 2020 Game Development Build, customize, and optimize professional games using Unity 2020 and C#

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Product type Paperback
Published in Jul 2020
Publisher Packt
ISBN-13 9781838642006
Length 580 pages
Edition 1st 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 (24) Chapters Close

Preface 1. Chapter 1: Designing a Game from Scratch 2. Chapter 2: Setting Up Unity FREE CHAPTER 3. Chapter 3: Working with Scenes and GameObjects 4. Chapter 4: Grayboxing with Terrain and ProBuilder 5. Chapter 5: Importing and Integrating Assets 6. Chapter 6: Materials and Effects with URP and Shader Graph 7. Chapter 7: Visual Effects with Particle Systems and VFX Graph 8. Chapter 8: Lighting Using the Universal Render Pipeline 9. Chapter 9: Fullscreen Effects with postprocessing 10. Chapter 10: Sound and Music Integration 11. Chapter 11: User Interface Design 12. Chapter 12: Creating Animations with Animator, Cinemachine, and Timeline 13. Chapter 13: Introduction to Unity Scripting with C# 14. Chapter 14: Implementing Movement and Spawning 15. Chapter 15: Physics Collisions and Health System 16. Chapter 16: Win and Lose Conditions 17. Chapter 17: Scripting the UI, Sounds, and Graphics 18. Chapter 18: Implementing Game AI for Building Enemies 19. Chapter 19: Scene Performance Optimization 20. Chapter 20: Building the Project 21. Chapter 21: Finishing Touches 22. Chapter 22: Augmented Reality in Unity 23. Other Books You May Enjoy

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, triggers and collisions. The Collision reaction has a default effect that is blocking the movement of the Objects, but we can add custom...

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