Method HasSingleton
HasSingleton<T>()
Checks whether a singelton component of the specified type exists. Note that if querying a singleton component from a system-associated entity, the query must include either EntityQueryOptions.IncludeSystems or the SystemInstance component.
Declaration
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new Type[]{typeof(BurstCompatibleComponentData)})]
public bool HasSingleton<T>()Returns
| Type | Description |
|---|---|
| Boolean | True, if a singleton is found to match exactly once with the specified typeEntityQuery. |
Type Parameters
| Name | Description |
|---|---|
| T | The IComponentData subtype of the singleton component. This component type must not implement IEnableableComponent |