# File: p3d_3halfspheres.py
# Author: Petr Sorfa
# Desc: A parametric surface collection of 3
#       half spheres.

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

am.begin()	# Initialize the AM session

for wi in range(3):
    w = wi + 1.0

    am.surface_begin()

    for ui in range(10):
        u = ui*math.pi/9.0

        row = []

        for vi in range(10):
            v = vi*math.pi/9.0

            x = w*math.sin(u)*math.cos(v)
            y = w*math.cos(u)*math.cos(v)
            z = w*math.sin(v)+2*w
            row += [x, y, z]

        am.surface_add(row)

    am.surface_end()

am.end()	# Finish the AM session