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Purpose of Vector Functions

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Is there any resource which teaches us the pratical use of Vector fuctions(dot product,angle between two vects, etc) in game programming rather than How to create a Vector class ? How to make the Hero to rotate and look at the direction where we move the mouse cursor ? (like in Crimsonland and Notrium) thanks in advance [edited by - rgk_quaker on March 23, 2004 12:05:57 AM]

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Pretty good set of intro articles here:

http://www.whisqu.se/per/docs/math.htm

Additionally, all of the usually recommended game programming books have at least a chapter or appendix on 3D math.

My knowledge is specific to DirectX, there is an ArcBall class in the SDK Common Framework that will help with mouse pointing. There is probably something equivalent in OpenGL utilities.

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