Original Post
Hi,
Can anyone explain to me WHY it is necessary to normalize vectors in 3D graphics? For example, why do we use the unit normal and why do we normalize reflection vectors?
Many Thanks
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Vector Normalization
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Maybe cos we just want the direction and by normalising a vector we reduce it''s length to one, which means in a lot of equations we can remove this from the equation.
Regards,
Steve
As I get older, my mind becomes more cluttered.
[3d Game development]
Regards,
Steve
As I get older, my mind becomes more cluttered.
[3d Game development]
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