# 眼镜2D UI制作

#### **前言**

在有些情况下需要在左右眼上全屏显示 UI,比如受到伤害时,周围会有一圈红晕

![](https://testopen.rayneo.cn/media/2dui-1.png)

#### **制作过程**

**创建 Canvas**

* 在场景下创建一个 Canvas.该 Canvas 的 Render Mode 为 Screen Space - Camera
* 将 Render Camera 设置为 XRPlugin 里的 Head(Head 上有 Camera)
* 删除 Canvas 上的 Graphic Raycaster

![](https://testopen.rayneo.cn/media/2dui-2.png)

**设定绘制区域**

* 在 Canvas 下,创建一个空节点,设定节点宽度为 1920,Anchor 为上下填充.(在示例中,节点名为 UIArea)
* 此时,UIArea 即为眼镜的 2DUI 绘制区域

![](https://testopen.rayneo.cn/media/2dui-3.png)

![](/files/AYKnqyhm2ST3mHeiSJCO)<br>


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