Planar Shockwave: Difference between revisions

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== [[Film]] ==
* Possibly the earliest example of a planar shockwave is the self destruction of the Nostromo in ''[[Alien]]'' (1979). From Ripley's POV, it first forms a horizontal multicolored line and then an orange sphere appears behind/inside it. A few seconds later a horizontal shockwave of material hits her ship.
* ''[[Star Trek VI: theThe Undiscovered Country]]'', when the Klingon moon of Praxis explodes in a double shockwave ring. The effect is occasionally called a Praxis Shockwave after this prominent example. The shockwave actually gains plot significance here when it hits the starship Excelsior, since it makes the Federation aware of what happened. Most other examples feature the rings mostly for eye candy.
* The Special Editions of the original ''[[Star Wars]]'' trilogy does this three times: once for each Death Star (vertical and horizontal rings, respectively) and once when Alderaan is destroyed. They weren't in the original versions.
** Partially justified with the Death Stars. The trench dividing the two hemispheres is weaker than the rest of the shell, which would cause a (if somewhat smaller) [[Planar Shockwave]]. However, the first Death Star exploded vertically, and the second Death Star wasn't completely built yet.
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** The [[Star Wars Expanded Universe|Expanded Universe]] novel ''[[Death Star]]'' explains the ring produced by Alderaan as the realspace shadow of a hyperspace ripple, produced as a side effect of the Death Star's superlaser being fully charged when fired. Presumably this is also the case when the Death Star itself explodes.
*** This can also be used to explain the ring produced by the Death Star II in ''[[Return of the Jedi]]''. According to EU materials, the second Death Star could recharge much faster than the original, so it was likely charged to full power when it blew up.
* ''[[Stargate (Filmfilm)|Stargate]]'' features one when Ra's ship blows up.
** This might be acceptable given the shape of the ship. ''Might''.
*** Actually, a better explanation would be the fact that it was sitting on a platform, surrounded by a ring of the as-yet-unnamed material the Stargates were made of, something that was explicitly stated would enhance the blast.
* ''[[Independence Day]]'' features something similar as the Alien Mothership explodes: The explosion spreads horizontally on the screen, eventually engulfing the camera. Might have looked like a Praxis Shockwave from another angle.
* Used [[Egregious|egregiously]] in the ''[[Wing Commander (Filmfilm)|Wing Commander]]'' theatrical release, in which a character fails to [[Outrun the Fireball|outrun a shockwave]] which is half the height of her fighter craft. Despite being the squadron commander, the idea of glancing behind her and pulling up never occurs to her.
** Also, during the ship-to-ship battle between the ''Tiger's Claw'' and the Kilrathi ships, an enemy capital ship is hit with two torpedoes and explodes, emitting a planar shockwave that proceeds to destroy another Kilrathi ship. Apparently, traveling close together, leaving no room to maneuver, is standard operating procedure for the kitties. No wonder a single human ship was able to deal so much damage to the more advanced Kilrathi.
* ''[[Armageddon]]'' has one when the nuclear ordnance exploded inside the asteroid.
** At least this one ''kind of'' made sense, since the asteroid wasn't blown up, but blown apart. The shockwave would have escaped from between the two halves. It still wouldn't have been perfectly planar, but still...
** The shockwave seems to be forming an hourglass shape if viewed from the front, so it does expand at least partially accurately. But this is Armageddon, which has as much basis in real physics as the [[Ghostbusters|Stay Puff Marshmallow Man]].
* An apparent example occurs when {{spoiler|Jupiter}} explodes in ''[[Two2010: Thousand Ten theThe Year We Make Contact]]'', but it is made clear that it is actually the visible edge of a spherical shockwave when it [[Outrun the Fireball|catches up to the heroes' ship]].
* The orbital laser station (the ZEUS) in ''[[Final Fantasy The Spirits Withi]]''n explodes like this at the end of the movie.
 
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== [[Live Action TV]] ==
* Though averted in ''[[Stargate SG -1]]'' in favor of the usual (equally unlikely) space fireballs, ''[[Stargate Atlantis]]'' used a planar shockwave when the Asuran homeworld explodes.
** Not to mention EVERY exploding wraith ship. Bonus points for [[Old School Dogfighting|making nearby ships explode too]].
* In a ''[[Space Cases]]'' episode, the two-dimensional shockwave of two exploding Spung battlecruisers (due to double [[Deadly Dodging]]) destroys the third one.
* Narn energy mines in one of ''[[Babylon Five5]]'s'' space battles.
* A spectacular one is seen at about 40 seconds into [http://www.youtube.com/watch?v=koX5UJy4QiI the opening] for ''[[Power Rangers Lost Galaxy]]''.
 
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== [[Video Games]] ==
* Heavy bombs and capital ship explosions in ''[[Free Space]]'' and its sequel. The "randomly oriented" part is only when 3D shockwaves are enabled in the updated FreeSpace 2 Open engine. In the original games they were always oriented so you saw the "ring" head-on. In the first game in the series, the shockwaves even looked spherical. The explosion effect, however, is spherical.
* In ''[[Homeworld (Video Game)|Homeworld]]: Cataclysm'', the good guys' [[BFG]] creates one of those upon impact. Also used for explosions of the largest class of spaceships. Explosions have spherical effects, however, regardless of the visual.
* Tactical battles in ''Master of Orion 3'' use these for capital ships.
* ''Star Trek: Armada'', ''Starfleet Command'' and their respective sequels make frequent use of them. In ''Starfleet Command'', the same planar shockwave effect is used for every ship above the fighter class.
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* While most explosions in the ''[[Escape Velocity]]'' series will just be the usual yellow-orange-red atmospheric looking fireballs, the very most awesome ships and weapons exploding will make planer and ring shockwaves in pretty colors.
** Also seen on the splash screen of EV:Nova.
* Averted in ''[[Star Fox (Video Gameseries)|Star Fox]] 64'', where all explosions are [[Sphere of Destruction|spheroidal]] (although they end up looking like geodesic balloons due to polygon limitations).
** ''[[San Francisco Rush]]'' series too, where [[Every Car Is a Pinto]] and [[Made of Explodium]], exploding violently with spherical fireballs in crashes.
** ''[[Star Fox Adventures (Video Game)|Star Fox Adventures]]'' plays this straight however as most spaceship's in the game blow up like this. This is especially apparent when {{spoiler|Andross head}} explodes at the end of the game exactly like the Death Star did in Star Wars, complete with ship's outrunning the fireball.
* The Scrin mothership in ''[[Command and Conquer]] 3: Tiberium Wars'' does this, with an [[Independence Day]] beam that creates an expanding shockwave, and anything that gets caught in it also explodes, creating their own miniature shockwaves. This can rapidly spread out of control, destroying an entire base in one blow. That is, if the mothership ''lives''...
* In ''[[Serious Sam]]'', rockets, grenades, cannonballs and ''laser beams'' send [[Planar Shockwave|Planar Shockwaves]] of various sizes along the surface they explode on.
* ''[[[[Wing Commander (Videovideo Gamegame)|Wing Commander]] Wing Commander Prophecy'' uses an upgraded graphics engine compared to previous games, and is the first game in the series to use 3D acceleration. Among the new visuals is a planar shockwave effect that randomly occurs when a fighter craft explodes. The orientation of the effect appears to be random.
* The Stinkowing in ''[[Stinkoman 20 X 6 (Video Game)|Stinkoman 20 X 6]]'' causes a few when it explodes.
 
== [[Web Comics]] ==
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{{quote| "Tony's gonna be ''pissed''. He hated it when Lucas added those equatorial rings to the Death Star explosions."}}
* In ''[[Darths and Droids]]'', which loosely follows the plot of the ''[[Star Wars]]'' movies, the shockwave bombs from [[Attack of the Clones]] make their [http://darthsanddroids.net/episodes/0294.html appearance]. One player explains that they might work like that because of the inverse square law - by concentrating the force into a ring, more damage is done by the ring. In effect, Jango is sacrificing accuracy for power.
* Appears in an extreme long-distance panel in ''[[Schlock Mercenary (Webcomic)|Schlock Mercenary]]'', when the F'Sherl-Ganni (Gatekeepers) decide to deliberately detonate the ''t'okjith'' (trans: "very clever, but extremely dangerous thing"; a toroidal singularity trapped in the heart of a star) that was powering one of their ''buuthandi'' (trans: "very expensive thing"; sort of a [[Dyson Sphere]] made up of habitats slung on giant solar sails<ref>which is actually closer to Dyson's original concept than a solid shell</ref>) while under attack from Fleet Admiral Breya Andreyasn's forces, with their cheap wormgate-copy systems producing a ridiculous amount of missiles to force said fleet into the shockwave, with the intention of over-awing the "lesser species" by totally annihilating a multi-national fleet. {{spoiler|[http://www.schlockmercenary.com/d/20020820.html The fleet escapes].}} Justified by putting gravity-control devices out in the system's Kuiper Belt to ensure that when it ''does'' blow, rather than the star acting as a giant frag grenade, it rips the fabric of space/time a new one in one particular plane.
 
== [[Web Original]] ==
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== [[Western Animation]] ==
* The shockwave ring from the first Death Star's destruction is carried over into the parody of the scene in ''[[Powerpuff Girls]]''.
* The Transwarp Wavefront in ''[[Beast Wars (Animation)|Beast Wars]]'' created from the exploding [[That's No Moon|Vok Weapon]] was plot-significant throughout the second season. It not only spread outward all the way to Cybertron, but traveled into the future as well.
 
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