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Displaying a radar to indicate relative locations of objects

Radars display the locations of other objects relative to the player, usually based on a circular display, where the center represents the player, and each graphical "blip' indicates, for each object, how far away and what relative direction it is to the player. Sophisticated radar displays will display different categories of object with different colored "blip" icons.

In the following screenshot, we can see two yellow circle "blips", indicating the relative position of the objects tagged cube near the player. The green circle radar background image gives the impression of an aircraft control tower radar.

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