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#########################################################################
# Copyright (C) 2010-2011 Tavian Barnes <tavianator@tavianator.com>     #
#                                                                       #
# This file is part of The Dimension Test Suite.                        #
#                                                                       #
# The Dimension Test Suite is free software; you can redistribute it    #
# and/or modify it under the terms of the GNU General Public License as #
# published by the Free Software Foundation; either version 3 of the    #
# License, or (at your option) any later version.                       #
#                                                                       #
# The Dimension Test Suite is distributed in the hope that it will be   #
# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
# General Public License for more details.                              #
#                                                                       #
# You should have received a copy of the GNU General Public License     #
# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
#########################################################################

camera = PerspectiveCamera(location = (3, 6, -11),
                           look_at  = 0)

background = 0.5*Color(0.73, 0.90, 0.97)

light_color = 0.25*White
lights.append(PointLight(location = (-3, 0, -5), color = light_color))
lights.append(PointLight(location = (-1, 0, -5), color = light_color))
lights.append(PointLight(location = ( 1, 0, -5), color = light_color))
lights.append(PointLight(location = ( 3, 0, -5), color = light_color))

lights.append(PointLight(location = (-3, 5, -5), color = light_color))
lights.append(PointLight(location = (-1, 5, -5), color = light_color))
lights.append(PointLight(location = ( 1, 5, -5), color = light_color))
lights.append(PointLight(location = ( 3, 5, -5), color = light_color))

objects.append(
  Plane(
    normal = Y, distance = -4,

    texture = Texture(
      pigment = Color(0.73, 0.90, 0.97),
      finish = Ambient(0.5),
    )
  )
)

def make_sphere(x, y, z, size):
  size -= 1

  dx = sin(2*pi*x/size)
  dy = sin(2*pi*y/size)
  dz = sin(2*pi*z/size)
  return Sphere(
    center = 5*Vector(x, y, z)/size
             + Vector(dy + dz, dx + dz, dx + dy)/4
             - Vector(2.5, 2.5, 2.5),
    radius = 2/size,

    texture = Texture(
      pigment = Color(x/size, y/size, z/size),
      finish  = Ambient(0.25) + Diffuse(0.8) + Reflection(0.5)
    )
  )

size = 10
for x in range(size):
  for y in range(size):
    for z in range(size):
      objects.append(make_sphere(x, y, z, size))

recursion_limit = 2*size