Unity supports this kind of screen space rendering but also allows UIs to rendered as objects in the scene, depending on the value of the Render Mode property. That is to say, they have no concept of a 3D space being viewed by a camera. Traditionally, UIs are rendered as if they were simple graphic designs drawn directly on the screen. A nested Canvas uses the same Render Mode as its parent. It is also possible use nested Canvases, where one Canvas is placed as a child of another for optimization purposes. In each Scene, you place your environments, obstacles, and decorations, essentially designing and building your game in pieces. Think of each unique Scene file as a unique level. The camera that will be used to process UI events.Ī single Canvas for all UI elements is sufficient but multiple Canvases in the scene A Scene contains the environments and menus of your game. The distance at which the UI plane should be placed in front of the camera. Plane Distance ( Screen Space - Camera mode only) The camera to which the UI should be rendered (see below). Render Camera_ ( Screen Space - Camera mode only)_ Should the UI be rendered without antialiasing A technique for decreasing artifacts, like jagged lines (jaggies), in images to make them appear smoother. The options are Screen Space - Overlay, Screen Space - Camera and World Space. More info See in Glossary is rendered to the screen or as an object in 3D space (see below). Unity currently supports three UI systems. The way the UI (User Interface) Allows a user to interact with your application. Screen Space - Overlay Set Screen Space - Camera Set World Space Set Properties Property: When you create a UI element object from the menu ( GameObject > Create UI), a Canvas object will be created automatically if there isn’t one in the scene already. All UI elements must be children of a GameObject that has a Canvas component attached. More info See in Glossary component represents the abstract space in which the UI is laid out and rendered.
The Canvas area is shown as a rectangle in the Scene View. The Canvas The area that contains all UI elements in a scene.
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