Sprite Masks are used to either hide or reveal parts of a Sprite or group of SpritesA 2D graphic objects. If you are used to working in 3D, Sprites are essentially just standard textures but there are special techniques for combining and managing sprite textures for efficiency and convenience during development. More info
See in Glossary. The Sprite Mask only affects objects using the Sprite RendererA component that lets you display images as Sprites for use in both 2D and 3D scenes. More info
See in Glossary ComponentA functional part of a GameObject. A GameObject can contain any number of components. Unity has many built-in components, and you can create your own by writing scripts that inherit from MonoBehaviour. More info
See in Glossary.
To create a Sprite Mask select from the main menu GameObject > 2D Object > Sprite Mask.
|Sprite||The sprite to be used as a mask.|
|Alpha Cutoff||If the alpha contains a blend between transparent and opaque areas, you can manually determine the cutoff point for which areas will be shown. You change this cutoff by adjusting the Alpha Cutoff slider.|
|Range Start||The Range Start is the Sorting Layer which the mask starts masking from.|
|Sorting Layer||The Sorting Layer for the mask.|
|Order in Layer||The order within the Sorting Layer.|
|Mask All||By default the mask will affect all sorting layers behind it (lower sorting order).|
|Custom||The range end can be set to a custom Sorting Layer and Order in Layer.|
The Sprite Mask GameObjectThe fundamental object in Unity scenes, which can represent characters, props, scenery, cameras, waypoints, and more. A GameObject’s functionality is defined by the Components attached to it. More info
See in Glossary itself will not be visible in scene, only the resulting interactions with Sprites. To view Sprite Masks in the scene, select the Sprite Mask option in the SceneA Scene contains the environments and menus of your game. Think of each unique Scene file as a unique level. In each Scene, you place your environments, obstacles, and decorations, essentially designing and building your game in pieces. More info
See in Glossary Menu.
Sprite Masks are always in effect. Sprites to be affected by a Sprite Mask need to have their Mask Interaction set in the Sprite Renderer.
By default a Sprite Mask will affect any sprite in the scene that has their Mask Interaction set to Visible or Not Visible Under Mask. Quite often we want the mask to only affect a particular sprite or a group of sprites.
One method of ensuring the mask is interacting with particular sprites is to use a Sorting Group Component.
An alternative method of controlling the effect of the mask is to use the Custom Range Settings of a Sprite Mask.
The Range Start and Range End provides the ability to selectively mask sprites based on their Sorting Layer or Order in Layer.
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