#########################################################################
# 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*sRGB(0.73, 0.90, 0.97)

def make_light(x, y, z):
  return PointLight(location = (x, y, z), color = White/4)

for x in [-3, -1, 1, 3]:
  for y in [0, 5]:
    lights.append(make_light(x, y, -5))

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

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

class ShinySphere(Sphere):
  def __init__(self, x, y, z, size):
    size -= 1

    dx = sin(2*pi*x/size)
    dy = sin(2*pi*y/size)
    dz = sin(2*pi*z/size)
    Sphere.__init__(
      self,
      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 = sRGB(x/size, y/size, z/size),
        finish  = Ambient(sRGB(0.25))
                  + Diffuse(sRGB(0.8))
                  + Reflection(0, 0.25)
      )
    )

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

recursion_limit = 2*size