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)

Using the UVFunc node

In this recipe, we use the UVFunc node with the Texture2D node to scale and pan the icon.svg picture using visual shaders.

Getting ready

For this recipe, click + to the right of the Billboard scene we just completed to add a new scene. In the Scene tab, click 2D Scene. Click on Scene in the top-left corner next to Project, then select Save Scene As, and name it UVFunc.

How to do it…

We will move the icon.svg file into the scene and then add a ShaderMaterial in the CanvasItem property:

  1. Left-click and hold the left mouse button, then drag icon.svg anywhere in the viewport.
  2. In the CanvasItem section of the Inspector, left-click on Material.
  3. Click on <empty> to the right of Material and select New ShaderMaterial.
  4. Left-click on ShaderMaterial to the right of Material.
  5. Click on <empty> to the right of Shader and select New Shader.
  6. To the right of Type, select Visual Shader.
  7. To the right of Mode, select...