# File: p3d_conicalspiral.py
# Author: Petr Sorfa
# Desc: A parametric surface

import am # import the Animation Master extension
import math	# import the math extension

am.begin()	# Initialize the AM session

a = 1.0
b = 1.0
c = 1.0

for wi in range(1):
    w = wi + 1.0

    am.surface_begin()

    for ui in range(10):
        u = ui/9.0

        row = []

        for vi in range(30):
            v = vi*2.0/29.0 -1.0

            x = u*v*math.sin(15*v)
            y = v
            z = u*v*math.cos(15*v)

            row += [x, y, z]

        am.surface_add(row)

    am.surface_end()

am.end()	# Finish the AM session