Sensory systems also tend to make use of fuzzy logic. While seeing something can be a binary condition, in low-light or low-contrast environments, we can suddenly see how fuzzy the condition can become. You've probably experienced it at night: seeing an odd shape, dark in the distance, in the shadows, thinking "is that a cat?". It then turns out to be a trash bag, some other animal, or perhaps even your imagination. The same can be applied to sounds and smells.
When it comes to pathfinding, we run into the cost of traversing certain areas of a grid, which a fuzzy logic controller can easily help to fuzzify and make more interesting.
Should Bob cross the bridge and fight his way through the guards, or risk crossing ...
