// 更新日：2013/03/24
// 作成者：でですけ（http://dedesuke.blog.shinobi.jp/）

#include "colors.inc"

global_settings { assumed_gamma 2.2 }

camera {
    location <0, 1, -4>
    look_at 0
}

light_source {
    <0, 0, -1>
    color 1
    looks_like {
        sphere {
            <0, 0, -1>
            0.1
            texture {
                pigment {color White}
                finish {ambient 1}
            }
        }
    }
}

sphere {
  <1, 0, 0>
  0.5
  texture {
    pigment {color White}
  }
}

sphere {
  <-1, 0, 0>
  0.5
  texture {
    pigment {color White}
  }
}

union {
    plane {x, -2.5}
    plane {x, 2.5}
    plane {y, -1.5}
    plane {y, 1.5}
    plane {z, 2.5}
    texture {
        pigment {color White}
        finish {ambient 0.3}
    }
}