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DavidSargent

game programming with librarys

5 posts in this topic

hi i know this will sound pointless but i feel the answer is going to give me a better understanding of game programming
if you program a game with one graphics library could you change to another library with a minimal amount of recoding?

thanks
Dave
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You might be interested in the distinction between an interface and implementation in object-oriented programming: Write your interface, which is nothing more than the system you interact with under the impression things get done. As long as your implementation (the thing that actually does the work), still does what it is supposed to do, it can use whatever libraries it damn well pleases.

Say if you have an interface with a method called Render(). Rendering to a frame in Direct3D uses different code than in OpenGL, but the task is still rendering to a frame! The interface, and the person who uses it, does not really care what is happening as long as it works, and works well.
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If you look at something liek Ogre3d, it works with a number of things (opengl, diectx and more). All through a common interface. There's also no need to rebuild anything when switching between different API/libraries. I think it would be alot of work to get to that point though.
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[quote name='Sage Gerard' timestamp='1309798799' post='4831043']
You might be interested in the distinction between an interface and implementation in object-oriented programming: Write your interface, which is nothing more than the system you interact with under the impression things get done. As long as your implementation (the thing that actually does the work), still does what it is supposed to do, it can use whatever libraries it damn well pleases.

Say if you have an interface with a method called Render(). Rendering to a frame in Direct3D uses different code than in OpenGL, but the task is still rendering to a frame! The interface, and the person who uses it, does not really care what is happening as long as it works, and works well.
[/quote]

Thats a nice way of doing things thanks Sage im going to start implimenting that in my games.:D
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