# File: spline_spin.py
# Author: Petr Sorfa
# Desc: Create a single spline in an ascending
#       twirl.

import am	# Import the A:M library
import math	# Import the math library

am.begin()

am.spline_begin()	# Begin the new spline

z = 0

for angle in range (50):
    r = (50 - angle) / 2.0
    x = math.cos (angle)*r
    y = math.sin (angle)*r

    am.spline_add_point (x, y, z)	# Add the point to the spline

    z += 0.4   

am.spline_end()	# Complete and create the spline

am.end()