UXML and UI Document are two terms that are often used interchangeably during this tutorial. Unity Style Sheets (USS): Similar to Cascading Style Sheets (CSS), USS allows you to set visual styles and behaviors to your UI.Unity eXtensible Markup Language Documents (UXML): Defines the structure of the user interfaces and reusable UI templates.There are two key concepts that are important to building a new UI: All components that you make can be reusable, making the design pattern a lot quicker. Instead, you develop your UI with patterns similar to web design, including using style sheets. Gone are the days of the Canvas and GameObject based setup. UI Toolkit completely changes the paradigm on how runtime UI is created. It’s still in preview, so some of the screenshots in this tutorial are likely to change as new releases occur. UI Toolkit ( formerly UI Elements) is Unity’s new UI system that can be used as an alternative to IMGUI (editor UI) and Unity UI (runtime UI). This project uses assets from and inspiration from from Wenrexa’s free UI Kit #3 for the design. Download the starter project from the GitHub repository.This tutorial assumes you have basic knowledge of Unity and intermediate knowledge of C#.You need Unity 2020.2.1f1 or later to follow along with this tutorial.Manipulate VisualElement styles at runtime, including setting a new position.Design UIs through C# and USS (for styling).

Design UIs by using the UI Builder tool.

At the end of this tutorial you will be able to: What is great about learning UI Toolkit is you can apply the same skills to create custom UI and extensions for the Unity Editor, runtime debugging tools, and runtime UI for your games. In this tutorial, you’ll learn the basics of Unity’s new UI system, called UI Toolkit, by creating an in-game inventory system where your player can drag and drop items to move them around. It needs to be responsive and intuitive while looking awesome. A great UI is one of the most important parts of any game.

Unity default resources extract