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silvermace

public, private and protected ...

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essentialy, is their a speed diffenece ?? eg. say i have a var, and it public, but dosnt need to be, if i make it private or protected, is their ANY preformace gain ?? also, what are the key differences ... thanx.

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No. It''s just a compile-time thing.
A bit like the stop signs on roads, it doesn''t actually make you stop, but it tells you it''s probably a good idea to stop

Public: anything outside or inside your class can see it.
Protected: inside your class or classes derived from it you can see it.
Private: only inside the class itself can you see it.

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i need a way of not sending unneeded variables through the memory (im creating a engine independent directx renderer and an opengl one) so stuff like vertexbuffer pointers and such dont need to be there

thanx

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In order to do that, you''re going to have to do a lot more work. I don''t really understand the situation you''re trying to model though... are you trying to make a class that can do both, but that doesn''t take up the memory of the side that you aren''t using?

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