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Question of the Day
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Each weekday, the HowStuffWorks Staff answers questions in the Question of the Day section of HowStuffWorks. The Question Archive lets you view hundreds of questions and answers. Click here to ask a question. Here is today's question!


How do developers get such realistic environments in video games?


Video game artists begin developing the 3-D models that will make up the game world using a software application such as 3D Studio Max. Richly detailed texture maps are created for each object.

Click on the magnifying glass to move your viewpoint away from the game character. As you move farther away, you will see the edges of the game world and the dome that surrounds it with the city skyline and sky mapped onto it.

Many 3-D games use a first-person or an over-the-shoulder perspective. You, as the game player, either see the world from the character's point of view or seem to be hovering in the air slightly behind the character you are controlling. As your character moves around, you see the world of the game stretch out into the distance. But what you are really seeing is a very clever illusion reminiscent of the backlots of Hollywood!

The world that the game character can actually interact with is a very defined area. If you could pull the camera view up in the air, you would see that the play area is completely self-contained. Other parts of the world that you can see in the distance are actually two-dimensional images mapped onto a flat surface that surrounds the play area like a barrel. The sky is created in the same way, by mapping the sky image onto a large dome or cylinder that fits over everything else.

Here are some interesting links:

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