algorithmic modeling for Rhino
Hey,
I'm attempting to use grasshopper to output fractal geometries. The problem I have is that using grasshopper components is not fast enough to output any meaningful amount of data.
The
equations are actually quite simple, so I thought that a small script could prove much faster. I have no real experience at scripting but I attempted to make a VB script component that solves this problem:
for any vector v,
v = s*ballFold(r, f*boxFold(v)) + c
where boxFold(v) means for each axis a:
if v[a]>1 v[a] = 2-v[a]
else if v[a]<-1 v[a] =-2-v[a]
and ballFold(r, v) means for v's magnitude m:
if m<r m = m/r^2
else if m<1 m = 1/m
I ended up with this code:
If v.x > 1 Then
v.x = 2 - v.x
ElseIf v.X < -1 Then
v.x = -2 - v.x
End If
If v.y > 1 Then
v.y = 2 - v.y
ElseIf v.Y < -1 Then
v.y = -2 - v.y
End If
If v.z > 1 Then
v.z = 2 - v.z
ElseIf v.z < -1 Then
v.z = -2 - v.z
End IfIf v.length < 0.5 Then
v = (1 / r ^ 2) * v
ElseIf v.length < 1 Then
v = 1 / v
End Ifv = scale * v + c
A = v
But this doesn't work - the operation 1 / v doesn't work for vectors. Plus I don't know if i'm going about this the right way to make the fastest code possible. It would be great if anyone with some real scripting knowledge could help
me out! Thanks
Tags:
Hi Andrew,
what's the error that v= 1/v returns?
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