zbuf range

phlip · March 30, 2003, 6:00pm

how is the zbuf field encoded in a plugin?
I’m getting some mysterious large numbers and i don’t know what they mean.
Looking at the code for showzbuf suggests that they range from 0 to 64M, but it also has a comment that says “remember that the values are not liniar”, well what are they?

Thanks in advance

phlip · April 4, 2003, 5:10am

[bump]
come on, someone has to know this…

phlip · April 6, 2003, 1:08am

[bump]
/me tries not to get angry that his simple question is being completely ignored :< :<

bmax · April 6, 2003, 4:32am

AFAIK, the values are quadratic inverse, if that makes any sense…

phlip · April 6, 2003, 7:06pm

Thanks for (finally) answering!
I will have a bit of a closer look and see if i can figure it out
i suppose it would make sense for the zbuf somehow be the square of the distance, as that’s a simple formula (compared to just distance)