Keep track of sprites in a vector

@StrawberryMoney wrote:

This might be a more general C++ question, but is there a way I can apply an event listener to a vector of objects? I don't need to listen for input, just for the size of the vector. In my game, I have populations of various animals, and I want a real-time count of them. It's a little tricky because the number display is on the parent layer, and the vector is on a child layer.

Thanks!

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