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SetComponentData for whole chunk/query?

Discussion in 'Entity Component System' started by g3nuine3, Jan 21, 2020.

  1. g3nuine3

    g3nuine3

    Joined:
    Feb 13, 2018
    Posts:
    11
    Is there a better way to set ComponentData for all entities in a chunk/query as iterating them?
     
    g3nuine3, Jan 21, 2020
    #1

  2. tertle

    tertle

    Joined:
    Jan 25, 2011
    Posts:
    3,648
    You can create a NativeArray<T>(EntityQuery.CalculateEntityCount()

    Then use UnsafeUtility.MemCpyReplicate
    to set all instances to the same value of the ComponentData

    Then use EntityQuery.CopyFromComponentDataArray(NativeArray<T>)
    To apply the value to all entities in a query

    Is it faster? Maybe.
    Is it better? Debatable.
     
    tertle, Jan 21, 2020
    #2
    MNNoxMortem, eizenhorn, Sarkahn and 2 others like this.