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J2267 >
guess i need to interpolate the values bit more
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dTal >
J2267: is that an attempt at fractal terrain generation?
10:51
<
dTal >
It looks cool. Like a borg cube.
10:52
<
J2267 >
dTal yes that was my aim
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<
J2267 >
the borg cube not so much though - Ü
10:53
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dTal >
what is Ü? You named your library that as well
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dTal >
so the issue is that when you cross a grid square you get a sudden statistical discontinuity
10:55
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J2267 >
no the library is called UB.scad
10:55
<
dTal >
oh! german emoticons! love it
10:57
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dTal >
You might also have an issue in that the variation within a grid square is dwarfed by the variation between grid squares
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dTal >
but yeah as you say you need to interpolate
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<
J2267 >
with the "div" variable you can change that difference .. but if it is 1 it looks just messy
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J2267 >
hmm i could variate that factor aswell
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dTal >
It's definitely fractal, but if you want terrain you're going to have to interpolate between squares if you want to avoid a lot of cliffs
11:22
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J2267 >
if i use a polyhedron it would connect the "columns"
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dTal >
that's less of an issue than the sudden statistical discontinuities across grid squares
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<
dTal >
it's going to be very obvious if all the heights in a perfect square are distributed around one value, and all the heights in an adjacent square are around a different value
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<
J2267 >
yeah need to even this out this by the distance from center
11:25
<
dTal >
what you want is to generate pink noise
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<
dTal >
you can't just use discrete squares to make this work unless you want the result to look square-y
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dTal >
to be technical, the sudden jumps between squares introduce a high frequency component to a signal you want to be low frequency
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J2267 >
hmm i think it is already doing something similar by changing the div factor
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J2267 >
;fijb also to you
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myosotis >
I had some ;fijb just this morning but thanks
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