A simple rule of thumb is that the more geometric something...

A simple rule of thumb is that the more geometric something is, ... the easier it is to reproduce on a computer. The more organic something is, the more difficult it is to reproduce on computer. And so, hence, 'Toy Story' was the perfect story for our first film -- man-made world, man-made environment, flat floors. 'A Bug's Life,' there is nothing geometric about this movie.