Hi,

As I progress in my understanding of C++, I come closer to the 
inevitable conclusion that in order to make my code more efficient and 
easy to alter, I need to learn more about classes and structs. Simple 
concepts, but the problem comes with implementing said features.

A simple (tile based) level editor is my current project. Already, I 
have about two dozen global variables. It's getting messy, and I'm 
having to rewrite code to handle, say, foreground tile editing as 
opposed to background tile editing.

Does anyone have a link to some good tutorials to help me manage this 
ever-growing pile of data? I need to encapsulate everything. I'd like to 
rid myself of global variables entirely, if that's possible. Thanks~

Sam

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