camera {
location 0
look_at z
}
how can I calculate (X,Y) of image for given <x,y,z> point, assuming image
is 1x1 and angle is A.
for perspective camera it will be
X=(x-0.5)*d + 0.5
Y=(y-0.5)*d + 0.5
(what's forumla for 'd' btw...)
what are formulas for diffrent camera types (especialy for fish_eye and
ultra_wide)
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