def pointsOnCube(radius: Float, segments: Int): Seq[(Float, Float, Float)] = {
      val mult = radius / segments

      def getCoordinates(f: (Float, Float, Float) => (Float, Float, Float)) = {
        for {
          d <- Array(-1, 1)
          a <- -segments to segments
          b <- -segments to segments
        } yield f(d, a, b)
      }

      Seq(
        getCoordinates { case(x, y, z) => (x*radius, y*mult, z*mult) },
        getCoordinates { case(y, x, z) => (x*mult, y*radius, z*mult) },
        getCoordinates { case(z, x, y) => (x*mult, y*mult, z*radius) }
      ).flatten
    }