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I'm wondering why these two curves are different. They are splines
rftpt & lftpt .
They both have essentially the same points, but one dips at a different
time than the other. I end up losing all of my "cubicness".
#version unofficial MegaPov 0.4;
#include "colors.inc"
#include "skies.inc"
camera {location <25,-17, 0> look_at <0,-17, 0>
angle 60}
light_source { <-15, 30, -25> color red 1 green 1 blue 1 }
light_source { < 15, 30, -25> color red 1 green 1 blue 1 }
light_source { < -1, 1, 10> color red 1 green 1 blue 1 }
light_source { < 0, 1, 0> color red 1 green 1 blue 1 }
#declare texy=texture {
finish {
ambient 0.3
diffuse 0.8
phong 1
}
normal {
bumps 0.4
sine_wave
scale 0.08
}
pigment { color Red }
}
#init_3d_spline {"My_Spline",closed
#declare c=0;
#while (c<1.001)
,<2*sin(15*c),c*3,2*cos(15*c)>
#declare c=c+0.05;
#end
}
//translate <0,-4.3,-1>
#declare lftpt=
spline {
//linear_spline
cubic_spline
0.00, <0,-17,-7>
0.50, <0,-17, 7>
0.75, <0,-10,-0>
1.00, <0,-17,-7>
}
#declare rftpt=
spline {
//linear_spline
cubic_spline
0.00, <0,-17, 7>
0.25, <0,-10,-0>
0.50, <0,-17,-7>
1.00, <0,-17, 7>
}
#declare c=0;
#while (c<1)
sphere { rftpt(c),0.2 texture {texy}}
sphere { lftpt(c),0.2 texture {texy}}
#declare c=c+0.008;
#end
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