import rhinoscriptsyntax as rs
import random as ran

# delete everyhting an start from scratch
rs.DeleteObjects(rs.AllObjects())

# create a box at Centerpoint
def make_box(insertion=[0,0,0],xsize=10,ysize=10,zsize=10):
    corners = [[0,0,0], [xsize,0,0], [xsize,ysize,0], [0,ysize,0], 
                [0,0,zsize], [xsize,0,zsize], [xsize,ysize,zsize], [0,ysize,zsize]]
    box = rs.AddBox(corners)
    rs.MoveObject(box, (-xsize/2,-ysize/2,0))
    rs.MoveObject(box, insertion)
    return(box)

p_num= 20
#crv=rs.AddLine([0,0,0], [100,0,50])
crv=rs.AddCurve([[0,0,0], [50,0,50], [70,40,20],[100,0,0]],3)

#rs.RebuildCurve(crv, 3, p_num)
c_len=rs.CurveLength(crv)
seg_len=c_len/p_num
print seg_len

pts=rs.DivideCurveEquidistant( crv, seg_len,create_points=True, return_points=True) 
print c_len
#pts=rs.CurvePoints(crv)

for p in pts:
    rs.AddCircle(p, seg_len)
    param=rs.CurveClosestPoint(crv,p)
    normal=rs.CurveTangent(crv,param)
    t_angle=rs.Angle([0,0,0], normal)
    box=make_box(p,xsize=seg_len,ysize=4*seg_len,zsize=seg_len/4)
    rs.RotateObject(box, p, t_angle[0], [0,0,1])