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'NASCAR The Game 2011' developers had to approve the look of every car, complete with up-to-date decal layouts, with real-life NASCAR teams.
In the beginning, the video game universe was a simple place, populated with the most basic of adolescent fantasies: playing sports, battling ghosts and aliens, and, of course, driving fast cars. Well, sort of driving cars.
The first arcade-style driving game, Atari's "Gran Trak 10," debuted in 1974, just two years after "Pong." It was a single-player, race-against-the-clock competition in which the driver maneuvered a race-car icon around a simple 2-dimensional track. Primitive for sure — the graphics were laughable — but it did feature a real steering-wheel controller and a 3-speed gear shifter. Even so, the driving experience wasn't exciting or, for that matter, close to lifelike.
It wasn't until the 1990s that software designers bothered incorporating believable driving dynamics and real-world vehicles into their virtual creations. When it debuted on the original Sony PlayStation console in 1997, "Gran Turismo" set a new benchmark for racing simulations with its industry-leading graphics and the true-to-life performance characteristics of its virtual vehicles — specifically, handling and acceleration. The game was an instant success.
Soon, the Xbox-exclusive "Forza Motorsport" franchise began doing the same, and the dueling series turned racing games into powerful, surreptitious marketing tools, in which players spent as much time driving their virtual racers as they did lovingly customizing their exteriors.
Today, video game developers are competing to take automotive wish fulfillment to even greater heights of realism. And while the games still can't capture the sphincter-tightening sensation of barreling around a real racetrack at breakneck speeds, they do come closer than ever before. How do they do it? By going old school — getting out of the lab and back on the track.
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Virtual Vehicles
The process of importing real-world cars into video games was largely established more than a decade ago, when developers first started using extensive photographic references to create 3-D models of vehicles, and adjusting performance and handling based on a car's raw specs. Today's game artists use exponentially more references — hundreds or even thousands of photos, depending on the vehicle — as well as more detailed data sets.
For games such as "Gran Turismo 5," which was released in November 2010 for the PlayStation 3, and "Forza Motorsport 4," due this fall on Xbox 360, many carmakers provided computer-aided design schematics, allowing programmers to create in-game equivalents that are structurally accurate, inside and out, instead of reverse-engineering virtual models based on just their stats. Certain vehicles get an extra degree of analysis: For the upcoming "Forza" title, developers took 3-D laser scans of select cars, including the Bugatti Veyron.
A game's look is one thing; translating a car's performance is another, and it is still primarily about numbers. But more powerful game engines — the core software that determines the physics and interaction of objects as you play — allow for more detail and differentiation. The creators of "Forza," Turn 10 Studios, say that they have modeled tire-related properties, such as weight transfer, and have incorporated proprietary performance data from tire manufacturer Pirelli into "Forza 4." The result, the company says, is the most up-to-date simulation of how modern tires grip or slip in a variety of racing conditions. Few players will notice this level of nuance midgame, but the tiny, exacting minority of hard-core players and professional racers who train using "Forza" and "Gran Turismo" spread that gospel of updated accuracy to the wider audience.
In some ways, Eutechnyx, the team behind the upcoming "NASCAR The Game 2011" — slated for release in March 2011 on PlayStation 3 and Xbox 360 — has to dig even deeper into the minutiae of real-life vehicles. "NASCAR has strict rules about the performance of its race cars," says Gregg Baker, community manager at Eutechnyx. "It's not like Formula One, where you can have one car with a much superior engine." NASCAR's stringent regulations mean that engines are nearly identical when it comes to power output. "So you have to really fine-tune the difference between the cars — how loose the suspension is, how well they conserve fuel, etc.," Baker explains. "Our game engine is accurate down to how much tape you put on your grille."
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Where the Render Meets the Road
Building digital cars might be a relatively standard process, but the capture and creation of racetracks varies from title to title. For its popular iPhone game, "Real Racing 2," the developers at Firemint used existing track layouts as a general reference, and then created custom tracks that are designed to keep the games fast-paced and not overly punishing. "Gran Turismo 5" includes a mix of real tracks and fictional ones. "NASCAR The Game," on the other hand, is a slave to accuracy, and Eutechnyx captured thousands of reference shots of track corners and irregular surface features, and includes as many of those cracks and bumps in the game as possible.
"Forza 4" may end up raising the bar when it comes to re-creating a track. According to Turn 10, developers rented out each track that appears in the game for two to three days, shooting terabytes worth of video and photos, and tracing the inside, middle and outside portions of the road surface with a commercial-grade GPS system. The resulting map detects road crowning, tiny changes in camber, or angle, and other anomalies with subcentimeter accuracy, all of which can be coded into the game for even more realism.
Read: Five Ways Your Car Can Drive Itself, Today