Difference between revisions of "Partial invisibility"
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[[Image:InvisibilityE1M3.png|thumb|A blur artifact sits in the tower behind the yellow door in [[E1M3: Toxin Refinery (Doom)|E1M3: Toxin Refinery]].]] | [[Image:InvisibilityE1M3.png|thumb|A blur artifact sits in the tower behind the yellow door in [[E1M3: Toxin Refinery (Doom)|E1M3: Toxin Refinery]].]] | ||
[[Image:PartInvisPlayerE1M3.png|thumb|A partially invisible player as seen by another player (in [[multiplayer]] mode) on E1M3: Toxin Refinery.]] | [[Image:PartInvisPlayerE1M3.png|thumb|A partially invisible player as seen by another player (in [[multiplayer]] mode) on E1M3: Toxin Refinery.]] | ||
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| − | A '''partial invisibility''' powerup (called ''blur sphere'' in the manuals) is an [[item]] that appears as a floating red and blue orb with a pulsing eye-like pattern. Picking one up will grant the [[player]] temporary [[partial invisibility effect|partial invisibility]]. The player's [[sprite]] (as seen by other players in [[multiplayer]] mode) will be given a filter similar to that of the [[spectre]], while the affected player will see their own weapon and hands as partially invisible. When 5 seconds remain, the weapon will begin blinking, signaling the end of the artifact's effects; the player's sprite, however, remains filtered until all 60 seconds have expired. Contrary to what most players would think, picking up one partial invisibility powerup while another is still in effect does not render the player invisible for an additional time of 60 seconds, but merely resets the invisibility time to 60 seconds | + | A '''partial invisibility''' powerup (called ''blur sphere'' in the manuals) is an [[item]] that appears as a floating red and blue orb with a pulsing eye-like pattern. Picking one up will grant the [[player]] temporary [[partial invisibility effect|partial invisibility]]. The player's [[sprite]] (as seen by other players in [[multiplayer]] mode) will be given a filter similar to that of the [[spectre]], while the affected player will see their own weapon and hands as partially invisible. When 5 seconds remain, the weapon will begin blinking, signaling the end of the artifact's effects; the player's sprite, however, remains filtered until all 60 seconds have expired. Contrary to what most players would think, picking up one partial invisibility powerup while another is still in effect does not render the player invisible for an additional time of 60 seconds, but merely resets the invisibility time to 60 seconds. |
| − | Monsters firing upon an affected player will have their accuracy reduced, in that their aim is offset by a random angle, causing them to miss more often. This however may cause more experienced players, accustomed to monsters firing directly forwards, to inadvertently dodge ''toward'' incoming [[projectile]]s. Nevertheless, a blur sphere confers a definite advantage against long-range [[hitscan]] attacks such as those of [[zombies]] or [[spiderdemon]]s. On the other hand, the partial invisibility is unable to disrupt monster [[melee attack]]s | + | Monsters firing upon an affected player will have their accuracy reduced, in that their aim is offset by a random angle, causing them to miss more often. This however may cause more experienced players, accustomed to monsters firing directly forwards, to inadvertently dodge ''toward'' incoming [[projectile]]s. Nevertheless, a blur sphere confers a definite advantage against long-range [[hitscan]] attacks such as those of [[zombies]] or [[spiderdemon]]s. On the other hand, the partial invisibility is unable to disrupt monster [[melee attack]]s or [[arch-vile]] flames. |
| − | + | Partial invisibility can also be invoked with the [[Doom cheat codes|cheat code]] <tt>idbeholdi</tt>. | |
| − | + | In [[Parameter#-altdeath|-altdeath]] mode, partial invisibility and [[invulnerability]] spheres do not [[Multiplayer|respawn]]. Some fan-made [[source port]]s allow flags to be set to allow them to respawn. | |
| − | + | This item is included in the [[Intermission screen|items percentage]] displayed at the end of each level. | |
| − | + | == Notes == | |
| + | [[Image:Betainvis.png|thumb|The partial invisibilty powerup, as seen in the [[Doom press release beta]].]] | ||
| + | *[[ZDoom]]-based source ports alter the behaviour of the powerup so that as well as the above, unalerted monsters are not alerted when the partially invisible player is within their sight like the similar power up in [[Quake]]. | ||
| + | *When the invisible player is killed, his corpse sprite will retain its blurry appearance, similar to that of a spectre's corpse. | ||
| + | *Deathmatch players should remember that weapons with visible projectiles (particularly the [[plasma gun]]) can give away a blurred player's position, as the opponent may target the shots' point of origin. | ||
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| + | == Doom 64 == | ||
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| + | [[Doom 64]]'s partial invisibility item's appearance is a dark red sphere with a central core emitting multiple electric shocks. Instead of the filter effect of the PC version, the Marine will appear slightly [[translucency|translucent]]. | ||
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| + | == Doom 3 == | ||
| + | [[Image:Doom3 invisibility.png|right|thumb|Invisibility powerup in D3DM3: Frag Chamber.]] | ||
| + | There is an ''Invisibility'' powerup in the game, appearing chiefly in multiplayer. It has little in common with its classic predecessor, only rendering the player translucent. This is a purely visual effect and is more similar to the ''Ring of Invisibility'' from [[Quake]]. | ||
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== See also == | == See also == | ||
*[[Doom95#Compatibility issues|Partial invisibility issue in Doom95]] | *[[Doom95#Compatibility issues|Partial invisibility issue in Doom95]] | ||
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{{Doom items}} | {{Doom items}} | ||
Revision as of 14:58, 1 September 2012
A partial invisibility powerup (called blur sphere in the manuals) is an item that appears as a floating red and blue orb with a pulsing eye-like pattern. Picking one up will grant the player temporary partial invisibility. The player's sprite (as seen by other players in multiplayer mode) will be given a filter similar to that of the spectre, while the affected player will see their own weapon and hands as partially invisible. When 5 seconds remain, the weapon will begin blinking, signaling the end of the artifact's effects; the player's sprite, however, remains filtered until all 60 seconds have expired. Contrary to what most players would think, picking up one partial invisibility powerup while another is still in effect does not render the player invisible for an additional time of 60 seconds, but merely resets the invisibility time to 60 seconds.
Monsters firing upon an affected player will have their accuracy reduced, in that their aim is offset by a random angle, causing them to miss more often. This however may cause more experienced players, accustomed to monsters firing directly forwards, to inadvertently dodge toward incoming projectiles. Nevertheless, a blur sphere confers a definite advantage against long-range hitscan attacks such as those of zombies or spiderdemons. On the other hand, the partial invisibility is unable to disrupt monster melee attacks or arch-vile flames.
Partial invisibility can also be invoked with the cheat code idbeholdi.
In -altdeath mode, partial invisibility and invulnerability spheres do not respawn. Some fan-made source ports allow flags to be set to allow them to respawn.
This item is included in the items percentage displayed at the end of each level.
Notes
- ZDoom-based source ports alter the behaviour of the powerup so that as well as the above, unalerted monsters are not alerted when the partially invisible player is within their sight like the similar power up in Quake.
- When the invisible player is killed, his corpse sprite will retain its blurry appearance, similar to that of a spectre's corpse.
- Deathmatch players should remember that weapons with visible projectiles (particularly the plasma gun) can give away a blurred player's position, as the opponent may target the shots' point of origin.
| Partial invisibility data | |
|---|---|
| Thing type | 2024 (decimal), 7E8 (hex) |
| Appears in | Shareware Doom Registered Doom Ultimate Doom Doom II/Final Doom |
| Radius | 20 |
| Sprite | PINS |
| Class | Artifact Pickup |
Appearance statistics
The IWADs contain the following numbers of partial invisibility powerups per skill level:
| Game | 1-2 | 3 | 4-5 |
|---|---|---|---|
| The Ultimate Doom | 23 | 23 | 23 |
| Doom II: Hell on Earth | 26 | 26 | 26 |
| TNT: Evilution | 23 | 22 | 22 |
| The Plutonia Experiment | 11 | 11 | 11 |
Doom 64
Doom 64's partial invisibility item's appearance is a dark red sphere with a central core emitting multiple electric shocks. Instead of the filter effect of the PC version, the Marine will appear slightly translucent.
Doom 3
There is an Invisibility powerup in the game, appearing chiefly in multiplayer. It has little in common with its classic predecessor, only rendering the player translucent. This is a purely visual effect and is more similar to the Ring of Invisibility from Quake.
See also
| Items from Doom, Doom II and Doom 64 | |
|---|---|
| Health: | Health bonus • Stimpack • Medikit |
| Armor: | Armor bonus • Armor • Megaarmor |
| Powerups: | Berserk • Computer area map • Invulnerability • Light amplification visor • Megasphere • Partial invisibility • Radiation shielding suit • Supercharge |
| Keys: | Keycard • Skull key • Demon Key |
| Weapons: | Fist • Chainsaw • Pistol • Shotgun • Super shotgun • Chaingun • Rocket launcher • Plasma gun • BFG9000 • Unmaker |
| Ammo: | Backpack • Clip • 4 shotgun shells • Rocket • Energy cell • Box of bullets • Box of shotgun shells • Box of rockets • Energy cell pack |
