UI Renderer is a rendering system built directly on top of Unity’s graphics device layer that you can use to generate visual content.
| Topic | 描述 | 
|---|---|
| Generate 2D visual content | Understand the Mesh API, the Vector API, and the types of graphics that you can create with the Vector API. | 
| Create a pie chart in the Editor and runtime UI | Use the Vector API to create a pie chart. | 
| Use Vector API to create a radial progress indicator | Use the Vector API to create a radial progress indicator custom control and add the custom control in a runtime UI. | 
| Use Mesh API to create a radial progress indicator | Use the Mesh API to create a radial progress indicator custom control and add the custom control in a runtime UI. |