In a game like GTA, for example. You have a huge variety of vehicles, including flying cars and bikes. How does it work? Is it arbritary (“this will fly, period”) or they design It to fly in that universe, according to those rules, Just like they would do in real life?
In: Physics
Obviously it varies depending on the game.
Some games try to simulate accurate physics, such as Kerbal Space Program.
Other games are on the opposite side of the spectrum, for example platformers such as Super Mario. “Flying” objects simply have a value saying that gravity doesn’t apply to them.
And some games are in between. Games like GTA do have some physics in them to make them appear realistic, but it’s not like they do the actual math with lift, air resistance and the likes. Instead they just set a few basic values to use for the physics calculation, for example a car might have gravity X while an airplane has gravity X/5.
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