The opposing-player logic is querying a bezier curve, then looking up what the exact coeficient of static friction is between its car's tires and that road. You think the opposing player logic is actually visually interpreting the road? God no. The code in the opposing driver logic has access to the code in the game physics logic. Everyone forgets that the "AI" (or let's just call it "The Game") controls not just the opposing drivers, but the game physics as well. There's also a one-versus-one match where you race Sophy in identical cars, so you can see how much slower you are than the AI. Until the end of March, players can try their skills against Sophy in the GT Sophy Race Together mode in a series of races with increasing difficulty levels.
Unbeatable game update#
But in the intervening year, Sony AI and Polyphony Digital have been working on GT Sophy, and tomorrow (February 21), GT Sophy rolls out to Gran Turismo 7 as part of update 1.29, at least for a limited time.
For example, it often passed opponents at the earliest opportunity on a straight, allowing itself to be overtaken in the next braking zone.Īnd unlike human players, GT Sophy would try to overtake players with impending time penalties - humans would just wait for that penalized car to slow to gain the place. At the time, GT Sophy - the name of the AI - wasn't quite ready for prime time. At the time, the experiment was described in a paper in Nature, where the researchers showed that this AI was not only capable of driving very fast - something other AI have done in the past - but also learned tactics, strategy, and even racing etiquette. An anonymous reader shares a report: Last year, Sony AI and Polyphony Digital, the developers of Gran Turismo, developed a new AI agent that is able to race at a world-class level.
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