Trying to understand this and from what i gather it has something to do with groups?
If you have say a background that's static, then some in the middle and the last one for the foreground as the last thing added to the group (possibly called 'display').
If I want to change something, I have to insert between the first and last images added to the 'display' group.
Is this correct? Is this the preferred/only way to do this?
I'm guessing the sprites are non-destructive and will not destroy images drawn below as they are drawn from bottom to top over and over.
Thanks for helping clear this up.
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