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Draw distance
Draw distance, also known as render distance or view distance, is a computer graphics term, defined as the maximum distance of objects in a three-dimensional scene that are drawn by the rendering engine. Polygons that lie beyond the draw distance will not be drawn to the screen.
As the draw distance increases, more distant polygons need to be drawn onto the screen that would regularly be clipped. This requires more computing power; the graphic quality and realism of the scene will increase as draw distance increases, but the overall performance (frames per second) will decrease. Many games and applications will allow users to manually set the draw distance to balance performance and visuals.
== Problems in older games ==
Older games had far shorter draw distances, most noticeable in vast, open scenes. Racing arcade games were particularly infamous, as the open highways and roads often led to "pop-up graphics", or "pop-in" – an effect where distant objects suddenly appear without warning as the camera gets closer to them. This is a hallmark of short draw distance, and still plagues large, open-ended games like the ''Grand Theft Auto'' series and ''Second Life''. ''Formula 1 97'' offered a setting so the player could choose between fixed draw distance (with variable frame rate) and fixed frame rate (with variable draw distance).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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