Option Explicit
'Script written by <David Mans>
'Script copyrighted by <Neoarchaic Studio>
'Script version Monday, February 02, 2009 8:11:02 PM

Call Main()
Sub Main()
	Call Rhino.EnableRedraw(False)
	Call epicycloid(2, 4, 100)
	Call Rhino.EnableRedraw(True)
End Sub
Function epicycloid(a, b, count)
	epicycloid = Null
	'a = radius: t = turns
	Dim i, q, t, m, x, y, z, arrOutput
	ReDim arrOutput(count)
	q=0
	
	m= a*b
	For i = 0 To 1 Step 1/count
		t = 2*PI*i
		x = (m+a)*cos(t)-a*cos((m + a)*t/a)
		y = (m+a)*sin(t)-a*sin((m + a)*t/a)
		z = 0
		arrOutput(q) = array(x,y,z)
		Call Rhino.addpoint(arrOutput(q))
		q=q+1
	Next
	
	epicycloid = arrOutput
End Function