Book Image

Godot 4 Game Development Cookbook

By : Jeff Johnson
5 (1)
Book Image

Godot 4 Game Development Cookbook

5 (1)
By: Jeff Johnson

Overview of this book

Want to transition from Godot 3 to 4? Look no further than the Godot 4 Game Development Cookbook. This comprehensive guide covers everything you need to become proficient with the latest GUI, GDscript 2.0, Vulkan 2D/3D rendering, shaders, audio, physics, TileSet/TileMap, importing, sound/music, animation, and multiplayer workflows. With its detailed recipes, the book leaves no stone unturned. The Godot 4 Cookbook begins by exploring the updated graphical user interface and helps you familiarize yourself with the new features of GDscript 2.0. Next, it delves into the efficient rendering of 2D and 3D graphics using the Vulkan renderer. As it guides you in navigating the new Godot 4 platform, the book offers an in-depth understanding of shaders, including the latest enhancements to the shader language. Moreover, it covers a range of other topics, including importing from Blender, working with audio, and demystifying the new Vulkan Renderer and the physics additions for 2D and 3D. The book also shows you how the new changes to TileSet and TileMap make 2D game development easy. Advanced topics such as importing in Godot 4, adding sound and music to games, making changes in the Animation editor, and including workflows for multiplayer in Godot 4 are covered in detail. By the end of this game development book, you’ll have gained a better understanding of Godot 4 and will be equipped with various powerful techniques to enhance your Godot game development efficiency.
Table of Contents (13 chapters)

What the Fog Shader mode can do

In this recipe, we are going to create custom fog in the FogVolume node using visual shaders. We will make a greenish fog, which could be used for a poisonous area in a game.

Getting ready

For this recipe, click the + sign to the right of the UVFunc scene we just completed to add a new scene. In the Scene tab, click 3D Scene. Click on Scene in the top-left corner next to Project, then select Save Scene As, and name it FogShader.

How to do it…

First, we will add a FogVolume node to the Scene tab and then add a visual shader to Material:

  1. Left-click on the three vertical dots in the toolbar above the viewport and left-click on Add Environment to Scene.
  2. Left-click on the WorldEnvironment node in the Scene tab.
  3. In the Inspector, left-click on Environment to the right of Environment to open its properties.
  4. Left-click on Volumetric Fog in the Inspector to open its properties.
  5. Check the On checkbox to the right of Enabled...