import rhinoscriptsyntax as rs
import random as ran

# alles loeschen
rs.DeleteObjects(rs.AllObjects())

# box zu erstellen
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.AddPolyline([[0,0,0], [50,0,50], [70, 40, 20], [100, 0, 0]])
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)[0]
    box = make_box(p, xsize=seg_len,ysize=4*seg_len,zsize=seg_len/4)
    rs.RotateObject(box, p, t_angle, [0,0,1])