#145 gluLookAt() Description Inaccurate

open
nobody
doc (10)
5
2006-06-28
2006-06-28
No

On the page:

http://pyopengl.sourceforge.net/documentation/manual/gluLookAt.3G.html

The equation

s = f x UP

is inaccurate. s should be a unit vector, but it won't
be if f and UP are not perpendicular. It should
probably read

s = f x UP / ||f x UP||

The actual GLU functions in C and in Python appears to
have the proper behaviour.

Discussion


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