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
bool	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