(n)certainties – Columbia – Fall 2008

This script is creating several generations of groups of spheres at different height:

Option Explicit
‘If it is working then scripted by Eduardo Mayoral
‘If Not scripted by anyone else

Call Spheres()

Sub Spheres()
 
 ’===================================================
 ’  Set Up Starting Position
 ’===================================================
 
 Dim arrPt1, intGenerations
 
 arrPt1=Rhino.GetPoint
 intGenerations = Rhino.GetInteger

 Call generate(arrPt1, intGenerations, 1)
  
End Sub

‘===================================================
‘  Function to generate number of Spheres
‘===================================================

Function generate(arrPt, intGenerations, intCurrentGen)
 
 If intCurrentGen < intGenerations Then
 
  Dim intSpheres, arrGenPt
  
  intSpheres = CInt(funcRnd(5,3)) 
  Rhino.Print intSpheres
 
  arrGenPt =  funcGeom(intSpheres,arrPt) 
  
  Call generate(arrGenPt, intGenerations, intCurrentGen+1)
 
 End If
 
End Function

‘===================================================
‘  Function to control Distances between Spheres
‘===================================================

Function funcGeom(intSpheres,arrPt)
 
 Dim i, strLine, dblAngle, arrEndPt, Lines
 Dim d1, d2
  
 d1 = funcRD (12,9)
 d2 = funcRD (40,30)
 
 dblAngle = 360/intSpheres

 For i = 0 To intSpheres

  If i <> intSpheres Then
   
   strLine = Rhino.AddLine(arrPt, array(arrPt(0),arrPt(1)+d2,arrPt(2)+2*d2))
   Call Rhino.RotateObject(strLine,arrPt,(i*dblAngle))
   
   arrEndPt = Rhino.CurveEndPoint(strLine)   
   Call Rhino.AddSphere(arrEndPt,funcRnd(15,3))
   
   
  Else
   
   strLine = Rhino.AddLine(arrPt, array(arrPt(0),arrPt(1)+d2,arrPt(2)+d1))   
   Call Rhino.RotateObject(strLine,arrPt,funcRnd(360,dblAngle))
   
   arrEndPt = Rhino.CurveEndPoint(strLine)
   
   funcGeom = arrEndPt
   
  End If
  
 Next
 
 Lines = Rhino.ObjectsByType(4)
 Call Rhino.DeleteObjects(Lines)
 
End Function

‘===================================================
‘  Random Function for Distances and Radius
‘===================================================

Function funcRnd(intMax,intMin)
 
 Randomize
 
 funcRnd = (intMax – intMin)+(rnd+intMin)
 
End Function