This is kind of crude, but you could cut up your bezier curve into a
*lot* of segments, say, a few hundred, and then patch them together
into 8 segments of (roughly) equal length.
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On May 17, 2007, at 12:19 PM, Lorenzo wrote:
Hi,
in my OpenGL application I draw a 3D Bezier cubic curve in the 3D
space.
Now, I have to split the 3D Bezier curve in 8 segments having the same
length. I iterate the curve from t = 0.0 to t = 1.0 using a t constant
interval of 1/8, so t = 0.125, t = 0.250... I get 8 segments, but
they have
different length. Closer I go to the endPoint of the curve, each
segment is
shorter.
Instead I would need they had the same length. So e.g, when I pass
t = 0.5
I need to get the xyz coordinates of the point placed at half a
distance
from the first point. Any idea?
Best Regards
--
Lorenzo
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