jobel
I believe badmoodtaylor was asking about using multiple array instances vs multiple array objects.
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I don't think there are any differences in terms of performance. Use whatever method is easier and more convenient.
If different arrays have different purposes - use multiple array objects.
If you want to attach an array to every instance of some other object (for example Enemy sprite + EnemyStats array), you can add them both to a container. This way each EnemyStats instance will be created automatically and will be linked with its Enemy instance.