SortingGroup
class in UnityEngine.Rendering
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Inherits from:Behaviour
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Implemented in:UnityEngine.CoreModule
Description
Adding a SortingGroup component to a GameObject will ensure that all Renderers within the GameObject's descendants will be sorted and rendered together.
A common use case for having a SortingGroup is to create complex 2D characters that are made up of multiple SpriteRenderers. When several clones of such a character overlap, their individual body parts might not be sorted properly resulting in a visual glitch where the the body parts interleave. For example, the hands of two characters might be sorted in front of their bodies, where you would expect one entire character to be drawn in front of the other character. The SortingGroup component solves this by ensuring the entire branch of the character are sorted and rendered together.
The descendants of the SortingGroup are sorted using the same SortingLayer and Renderer.sortingOrder. However, they are only sorted against other descendants of the SortingGroup and not with any renderers outside of it. This allows you to reuse the same SortingLayers (for example, "Hands", "Torso"...) to sort body parts while ensuring they never interleave with other clones of the character.
The SortingGroups, together with other renderers, are sorted using the SortingLayer and Renderer.sortingOrder. Additionally, they can be nested within other SortingGroups. This is useful if you have branches of descendants that should not be mixed up i.e. the "Left Hand" vs the "Right Hand" hierarchy branches.
The maximum number of sorting groups and renderers is 4096.
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Properties
| sortAtRoot | Ignores any parent SortingGroup and sorts this and its descendant Renderers against other Renderers at the root level. |
| sortingLayerID | Unique ID of the Renderer's sorting layer. |
| sortingLayerName | Name of the Renderer's sorting layer. |
| sortingOrder | Renderer's order within a sorting layer. |
Static Methods
| UpdateAllSortingGroups | Updates all Sorting Group immediately. |
Inherited Members
Properties
| enabled | Enabled Behaviours are Updated, disabled Behaviours are not. |
| isActiveAndEnabled | Reports whether a GameObject and its associated Behaviour is active and enabled. |
| gameObject | The game object this component is attached to. A component is always attached to a game object. |
| tag | The tag of this game object. |
| transform | The Transform attached to this GameObject. |
| hideFlags | Should the object be hidden, saved with the Scene or modifiable by the user? |
| name | The name of the object. |
Public Methods
| BroadcastMessage | Calls the method named methodName on every MonoBehaviour in this game object or any of its children. |
| CompareTag | Checks the GameObject's tag against the defined tag. |
| GetComponent | Gets a reference to a component of type T on the same GameObject as the component specified. |
| GetComponentInChildren | Gets a reference to a component of type T on the same GameObject as the component specified, or any child of the GameObject. |
| GetComponentIndex | Gets the index of the component on its parent GameObject. |
| GetComponentInParent | Gets a reference to a component of type T on the same GameObject as the component specified, or any parent of the GameObject. |
| GetComponents | Gets references to all components of type T on the same GameObject as the component specified. |
| GetComponentsInChildren | Gets references to all components of type T on the same GameObject as the component specified, and any child of the GameObject. |
| GetComponentsInParent | Gets references to all components of type T on the same GameObject as the component specified, and any parent of the GameObject. |
| SendMessage | Calls the method named methodName on every MonoBehaviour in this game object. |
| SendMessageUpwards | Calls the method named methodName on every MonoBehaviour in this game object and on every ancestor of the behaviour. |
| TryGetComponent | Gets the component of the specified type, if it exists. |
| GetInstanceID | Gets the instance ID of the object. |
| ToString | Returns the name of the object. |
Static Methods
| Destroy | Removes a GameObject, component or asset. |
| DestroyImmediate | Destroys the object obj immediately. You are strongly recommended to use Destroy instead. |
| DontDestroyOnLoad | Do not destroy the target Object when loading a new Scene. |
| FindAnyObjectByType | Retrieves any active loaded object of Type type. |
| FindFirstObjectByType | Retrieves the first active loaded object of Type type. |
| FindObjectsByType | Retrieves a list of all loaded objects of Type type. |
| Instantiate | Clones the object original and returns the clone. |
| InstantiateAsync | Captures a snapshot of the original object (that must be related to some GameObject) and returns the AsyncInstantiateOperation. |
Operators
| bool | Does the object exist? |
| operator != | Compares if two objects refer to a different object. |
| operator == | Compares two object references to see if they refer to the same object. |