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Unity 2021 Shaders and Effects Cookbook

Unity 2021 Shaders and Effects Cookbook

By : John P. Doran
4 (12)
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Unity 2021 Shaders and Effects Cookbook

Unity 2021 Shaders and Effects Cookbook

4 (12)
By: John P. Doran

Overview of this book

Shaders enable you to create powerful visuals for your game projects. However, creating shaders for your games can be notoriously challenging with various factors such as complex mathematics standing in the way of attaining the level of realism you crave for your shaders. The Unity 2021 Shaders and Effects Cookbook helps you overcome that with a recipe-based approach to creating shaders using Unity. This fourth edition is updated and enhanced using Unity 2021 features and tools covering Unity's new way of creating particle effects with the VFX Graph. You'll learn how to use VFX Graph for advanced shader development. The book also features updated recipes for using Shader Graph to create 2D and 3D elements. You'll cover everything you need to know about vectors, how they can be used to construct lighting, and how to use textures to create complex effects without the heavy math. You'll also understand how to use the visual-based Shader Graph for creating shaders without any code. By the end of this Unity book, you'll have developed a set of shaders that you can use in your Unity 3D games and be able to accomplish new effects and address the performance needs of your Unity game development projects. So, let's get started!
Table of Contents (16 chapters)
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Using brightness, saturation, and contrast with screen effects

Now that we have our screen effects system up and running, we can explore how to create more involved pixel operations to perform some of the more common screen effects found in games today.

Using a screen effect to adjust the overall final colors of your game is crucial in giving artists global control over the final look of the game. Techniques such as color-adjustment sliders allow users to adjust the intensity of the reds, blues, and greens of the final rendered game. This concept is also used with techniques such as putting a certain tone of color over the whole screen, as seen in something such as a sepia film effect.

For this particular recipe, we are going to cover some of the more core color-adjustment operations we can perform on an image. These are brightness, saturation, and contrast. Learning how to code these color adjustments gives us a nice base from which we can learn the art of screen effects.

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