Method TryGetSingletonEntity
TryGetSingletonEntity<T>(out Entity)
Gets the singleton Entity, and returns whether or not a singleton Entity of the specified type exists in the World.
Declaration
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new Type[] { typeof(BurstCompatibleComponentData) })]
public bool TryGetSingletonEntity<T>(out Entity value)Parameters
| Type | Name | Description |
|---|---|---|
| Entity | value | The Entity associated with the specified singleton component. If a singleton of the specified types does not exist in the current World, this is set to Entity.Null |
Returns
| Type | Description |
|---|---|
| bool | True, if exactly one Entity matches the EntityQuery with the provided component type. |
Type Parameters
| Name | Description |
|---|---|
| T | The IComponentData subtype of the singleton component. This component type must not implement IEnableableComponent |
Exceptions
| Type | Condition |
|---|---|
| InvalidOperationException | Thrown if the number of entities that match this query is greater than one. |