Enemy-Detecting Radar: Difference between revisions

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{{quote|''"I also invented your radar, which somehow knows which direction enemy soldiers are looking and even when they yawn."''|'''Mei Ling''', ''ToastyFrog.com Thumbnail Theater: "[[Metal Gear Solid]], Part 1"''}}
 
A few real life combat vehicles have radar support (and all seafaring vessels are required to have at least one) that can help the pilot navigate the battlefield and avoid enemies, so it's no surprise that this is often part of video games that feature such systems. Sometimes it's justified as your character's equipment or psychic abilities or [[Hand Wave]] as [[A Wizard Did It]]; other times it's just there with [[Gameplay and Story Segregation|no explanation]] except to [[Acceptable Breaks From Reality|make the player's life easier]]. It may also partially model non-visual cues that humans tend to get like positional sound location (an aspect of the [http://en.[wikipedia.org/wiki/Cocktail_party_effect:Cocktail party effect|cocktail party effect]]) which are difficult to implement in video game sound systems which often lack the ability to create true positional sound. Alternately, the "radar" is used to detect hidden items instead.
 
In some games, you will encounter enemies who can interfere with your radar in some way or other. Some jam the radar, filling the screen with static, others just don't show up at all or only show up randomly for a split second. This is usually justified with stealth technology and almost never affects visual detection or lock-ons.
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* The ''[[Ace Combat]]'' series has a radar system that varies a little between games. In some games, the color of a target indicates its point value or whether it's critical to the mission, in others how close it is to going down. Stealth planes generally fade in and out, making it difficult to keep track off them.
* ''[[Armored Core (Video Game)|Armored Core]]'' has this in almost every game, often [[Color Coded for Your Convenience|color coded]], but in a bit of a different way; The colors of enemies on radar change depending on their vertical alignment with you (blue for higher, yellow for lower). Starting with Armored Core 4, this system is abolished in favor of a 3D radar, but target enemies show up in red while everything else is white.
** Noteworthy in that the radar actually has a scan interval between updates. Equipping a rapid-scan radar makes it a lot easier to perform a [[High -Speed Missile Dodge]], since you can trace the missile trajectories even when they circle behind you, but very often there's a tradeoff between fast scan times and longer radar ranges.
* The ''[[Alien vs. Predator]]'' motion detector is of course from the original ''[[Alien (Film)|Alien]]'' movie, and as a result is in absolutely every game based on the franchise, too.
** And, unlike many such systems, the readout only shows movement in an arc in front of you. That means you don't see what's behind you, you don't see enemies who are standing still, and ''anything'' moving will set it off including elevators and loading hooks swaying in the wind.
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[[Category:Video Game Tropes]]
[[Category:Enemy Detecting Radar]]
[[Category:Trope]]