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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)

Using the GameObject's alpha as our starting alpha value

It may be that the game designer has set the alpha value of a GameObject in the Inspector window to the initial value they want. So, let's enhance our code to allow this to be indicated by checking a public Boolean flag variable in the Inspector window and adding code to read and use the GameObject's alpha if that option is chosen.

Do the following:

  1. In the Inspector window, click Color picker for the Albedo material and set the Alpha value to something other than 255 (for example, set it to 32, which is almost transparent):
Figure 5.21  Setting Rendering Mode of a material to Fade
  1. Add a new public Boolean variable to our script (default to false):
public bool useMaterialAlpha = false; 
  1. Add logic to the Start() method so that if this flag is true, we use the Alpha value of the color that was read from...
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