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Old 03-10-2010, 09:51 AM   #1
doomsheep
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Default Turning Speed


what's nevermore's turning speed? does it vary from hero to hero?
 
Old 03-10-2010, 10:06 AM   #2
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Default Re: Turning Speed
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Nevermore's turn rate is 1, which I'm guessing is 1 turn per second.
Most Heroes' turn rates vary from 0.4 to 0.6, with some exceptions (Nevermore has 1, N'aix has 2.1, and Lanaya has 0.7).
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Old 03-10-2010, 10:38 AM   #3
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Turn rate 1 means that the unit can turn by 1 radian every 0.03 seconds. 1 radian is about 57.3°.
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Old 03-10-2010, 11:34 AM   #4
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Default Re: Turning Speed
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Quote:
Originally Posted by 3DM@rk View Post
Turn rate 1 means that the unit can turn by 1 radian every 0.03 seconds. 1 radian is about 57.3°.
Really? I doubt it a bit. Because base on what u wrote, I hero with turning rate 1 can turning around (180°) within 0.092s. Which is toooo fast.

It should be "can turn by 0.03 radian every 1 second" maybe, am i right or wrong?
 
Last edited by kzm100138; 03-10-2010 at 11:36 AM.
Old 03-10-2010, 11:43 AM   #5
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Default Re: Turning Speed
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Wrong.
 
Old 03-10-2010, 12:07 PM   #6
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Default Re: Turning Speed
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Quote:
Originally Posted by kzm100138 View Post
Really? I doubt it a bit. Because base on what u wrote, I hero with turning rate 1 can turning around (180°) within 0.092s. Which is toooo fast.

It should be "can turn by 0.03 radian every 1 second" maybe, am i right or wrong?
Then you would need 105 seconds to turn 180 degrees
 
Old 03-10-2010, 12:27 PM   #7
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Default Re: Turning Speed
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It should be time needed to make a 180 degrees turn.
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Old 03-10-2010, 12:41 PM   #8
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Default Re: Turning Speed
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Quote:
Originally Posted by Brzelius View Post
Then you would need 105 seconds to turn 180 degrees
Y, i made a big mistake

And another Turning Speed related question, a unit can only attack or cast a spell of targeting type when it fully face the target (exactly turn to it)?
 
Old 03-10-2010, 12:46 PM   #9
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Default Re: Turning Speed
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The target has to be within the Propulsion Window which is 120 degrees in most cases.
 
Old 03-10-2010, 12:51 PM   #10
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Default Re: Turning Speed
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Quote:
Originally Posted by 3DM@rk View Post
Turn rate 1 means that the unit can turn by 1 radian every 0.03 seconds. 1 radian is about 57.3°.
^this
the turning speed of the model has nothing to do with the turn rate
 
Old 03-10-2010, 01:01 PM   #11
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Big thanks ^^ i get it
 
Old 03-10-2010, 01:13 PM   #12
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Default Re: Turning Speed
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Quote:
Originally Posted by Cáno View Post
The target has to be within the Propulsion Window which is 120 degrees in most cases.
If 120 degrees is the medium,what are the extreme points of the Propulsion Window?Which spells can be connected with these extreme Propulsion window points?
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Old 03-10-2010, 01:29 PM   #13
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If 120 degrees is the medium,what are the extreme points of the Propulsion Window?Which spells can be connected with these extreme Propulsion window points?
I'm not sure I understand what your question is, but the Propulsion Window is Hero-specific, not spell-specific.
Most Heroes have a 120° or 122° Window, except Leviathan (60°)
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Old 03-10-2010, 03:08 PM   #14
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I've done a few tests with some very interesting results.

I measured the facing angle of a turning unit in 0.001 sec. intervals. I used 4 different values of Turn Rate (0.1, 0.3, 0.5 and 1.0) and put the results in a graph:



Note that although the curves in the graph are continuous, facing angle updates only every 0.03 seconds.

The speed isn't constant, but rather slowly raises and then drops to make the turn more smooth. The second graph shows how angular speed depends on time (basically, it's the numerical derivative of the values in the first graph):



A few interesting facts to note:
  • Turn Rate values from about 0.5 above result in virtually the same unit movement (the curves for TR 0.5 and TR 1.0 overlap)
  • angular speed is capped at 6 rad/s, which corresponds to 0.18 radians per 0.03 seconds
  • for Turn Rates lower than 0.18, the facing angle change per 0.03 sec. peaks at the value of the Turn Rate rather than at 0.18 (in the second graph, angular speed for TR=0.1 approaches 3.33 rad/s, which corresponds to 0.1 radians per 0.03 seconds)

To add on to my first post in this thread, the facing angle can indeed change by at most Turn Rate radians per 0.03 seconds, but the cap is 0.18 and the change is not constant.
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Old 03-10-2010, 04:11 PM   #15
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Default Re: Turning Speed
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Quote:
Originally Posted by Lordshinjo View Post
Most Heroes' turn rates vary from 0.4 to 0.6, with some exceptions (Nevermore has 1, N'aix has 2.1, and Lanaya has 0.7).
So N'aix having 2.1 turn rate doesn't mean anything as it is way above the threshold?
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Old 03-10-2010, 04:20 PM   #16
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Default Re: Turning Speed
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Quote:
Originally Posted by BorisPeace View Post
So N'aix having 2.1 turn rate doesn't mean anything as it is way above the threshold?
Quote:
Originally Posted by 3DM@rk View Post
[*]Turn Rate values from about 0.5 above result in virtually the same unit movement (the curves for TR 0.5 and TR 1.0 overlap)
Try to do the thinking part on your own.

I had lots of trouble with turning speed, it was all caused by the limit which I was not aware of. Nice work, 3DM@rk.
Seems that for higher turning rates the unit would have to be turned with SetUnitFacing().
 
Last edited by Cáno; 03-10-2010 at 04:27 PM.
Old 03-10-2010, 04:54 PM   #17
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Quote:
Originally Posted by BorisPeace View Post
So N'aix having 2.1 turn rate doesn't mean anything as it is way above the threshold?
Yes, the only case when this might be relevant is under the effect of Sticky Napalm, when Naix will have a Turn Rate of 0.63 (no measurable change in speed), while a hero with default Turn Rate 0.4 will have 0.12, which can be a limiting factor when trying to maneuver.
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Old 11-22-2010, 05:35 PM   #18
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Default Re: Turning Speed
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is there a table where u can look up every heroes' turn rate?
in a game i just finished i was warlock up against a bat rider which is soooo annoying. so i wondered a bit about turn rates and stumbled upon this ;D
 
Old 11-22-2010, 05:54 PM   #19
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Batrider's SN lowers MS and turnrate, that's probably why you are soo annoyed XD
 
Old 11-22-2010, 05:56 PM   #20
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yes, obv. still wondering whether there's a complete table of all heroes' turnspeeds in dota
 
Old 11-22-2010, 06:46 PM   #21
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Well, I found this one: Heroes:Storm Spirit - DotA Wiki

Lemme search for others, dunno if this is the only one.

Edit: Can't find more...
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Old 11-22-2010, 06:59 PM   #22
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Quote:
Originally Posted by Sh1LLa View Post
yes, obv. still wondering whether there's a complete table of all heroes' turnspeeds in dota
Not yet
Oh wait
0.40.50.60.712.1
SpiritbreakerMagnataurAlchemistLanayaShadow FiendN'aix
TidehunterHuskarBristlebackGuardian Wisp  
ClinkzSand KingClockwerk Goblin   
MortredBloodseekerDragon Knight   
SpectreBroodmotherAxe   
VenomancerNerubian AssassinUndying   
ViperWeaverGondar   
Pit LordTerrorbladeTraxex   
LeoricChaos KnightMedusa   
RazorDoom BringerVengeful Spirit   
SyllabearAbaddonSniper   
LunaLycanthropeJuggernaut   
MiranaNight StalkerMorphling   
WarlockPudgePhantom Lancer   
BatriderSlardarRikimaru   
RhastaFaceless VoidTroll Warlord   
LeshracMeepoGyrocopter   
Witch DoctorUrsa WarriorBane Elemental   
RexxarSlarkDark Seer   
EarthshakerMaginaShadow Demon   
Tauren ChieftainNaga SirenOgre Magi   
EnchantressKrobelusDazzle   
PuckObsidian DestroyerTinker   
 LionAncient Apparition   
 EnigmaKunkka   
 LichOmniknight   
 NecrolytePandaren Brewmaster   
 PugnaSven   
 AkashaChen   
 TechiesZeus   
 InvokerFurion   
 VisageSilencer   
 JakiroStorm Spirit   
 Centaur WarchiefWindrunner   
 Tiny    
 Treant Protector    
 Crystal Maiden    
 Ezalor    
 Lina    
 Thrall    

Looks like there is one now.
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Old 11-22-2010, 07:20 PM   #23
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Default Re: Turning Speed
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Good job!

Maybe add this one to the turning speed guide...
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Old 11-23-2010, 04:38 PM   #24
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cool thx!
 
Old 01-26-2011, 10:09 AM   #25
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does turnspeed is like how much time does the hero take to switch back to the opposite direction while he walk?
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Old 01-26-2011, 10:54 AM   #26
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Default Re: Turning Speed
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Quote:
Originally Posted by P_L[Maniac] View Post
does turnspeed is like how much time does the hero take to switch back to the opposite direction while he walk?
It's the number of radians the hero turns per 0.03 seconds. It uses very odd units.
 
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