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In the scene below is spline is defined and then put into an array. When
it is pulled out of the array it always is a linear spline, instead of
the original 'curvy' spline. This used not to be the case as one of the
meshmaker macro's depends on doing this since 3.5.
I cannot trace back where this behaviour originated as I only have 3.8
alpha's and beta's here and all show this behaviour. (running win10)
---%<------%<------%<---
#version 3.8;
global_settings {assumed_gamma 1.0}
camera {location <0,3.5,-12> look_at <0,1.5,0> angle 40}
light_source {<500,500,-500> rgb <0.8,0.9,1>}
#declare A1=spline {
cubic_spline
-0.5, < 1,-1, 0>
0.0, < 1, 0, 0>
0.5, < 2, 1, 0>
1.0, < 1, 2, 0>
1.5, < 1, 3, 0>
}
#declare An=array[1]{
spline{A1},
}
#declare M=500;
union {
#declare Spl=spline{An[0]};
#for(I,0,50)
sphere {Spl(I/50), 0.04 no_shadow pigment {rgb 1}}
#end
}
---%<------%<------%<---
--
https://ingoogni.nl
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