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Mongoska
Joined: Tue Jan 24, 2012 12:40 am
Posts: 37
Location: Weymouth, England
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 For Loops Bonsoir (ou bonjour), mes amis! I'm trying to understand For Loops properly (I understand the basic principles of i = x,x and what that does), and I figure if I have one within a script I'm using explained, I'll gain a lot more understanding of both For Loops and my script. What is this doing, exactly? Code: function Create(self)
local thisID = ToActor(self).ID
local MoObj
for i = 1, MovableMan:GetMOIDCount() do
if (i ~= thisID) and (MovableMan:GetRootMOID(i) == thisID) then
MoObj = MovableMan:GetMOFromID(i)
if MoObj.PresetName == "Weasel Face" then
self.Head = ToAttachable(MoObj)
break
end
end
end
end Thanks!
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| Fri Jan 27, 2012 10:00 pm |
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Roast Veg
Data Realms Elite
Joined: Tue May 25, 2010 8:27 pm
Posts: 4521
Location: Constant motion
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Re: For Loops The code you have posted here cycles through all movable objects in the scene, finds one with an appropriate presetname and root movable object, and registers it as "self.head" presumably for use later.
The code is, however, outdated and unnecessary in the current build, since attachables became a lot easier to script.
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| Fri Jan 27, 2012 10:26 pm |
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Mongoska
Joined: Tue Jan 24, 2012 12:40 am
Posts: 37
Location: Weymouth, England
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Re: For Loops Ah! I suspected as much! It certainly appeared to be registering self.head, yet I made a reference to self.FGLeg and that worked, so I wondered what else it could be for. Interesting that you should reply, since the original author of the code (according to Naxete) was you! As I'm already on the subject and since I'm still having difficulties with it, perhaps someone could help me out with my own For Loop: Code: for i = 1,15 do
if self.HFlipped then
damagePar.RotAngle = damagePar.RotAngle + 0.13
else
damagePar.RotAngle = damagePar.RotAngle - 0.13
end
MovableMan:AddParticle(damagePar)
end I replaced "MovableMan:AddParticle(damagePar)" with the above For Loop, causing it to stop working with "ERROR: no overload of 'MovableMan:AddParticle' matched the argument 'MovableManager, MOPixel) candidates are: MovableManager:AddParticle(MovableManager&, MovableObject*)' where "&" is a symbol unknown to me resembling a semicolon - a horizontal line with a circle above it. I figured since the code worked before I added the For Loop that the error was within the loop itself, so I didn't feel it necessary to post the rest of the code.
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| Fri Jan 27, 2012 11:42 pm |
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Roast Veg
Data Realms Elite
Joined: Tue May 25, 2010 8:27 pm
Posts: 4521
Location: Constant motion
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Re: For Loops It was mine? Hahahaa, wow.  Anyway, the issue here is that your process for generating the MOPixel is written incorrectly, but I'd need to see all of the code to work out where, that little snippet doesn't tell me enough as it is.
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| Sat Jan 28, 2012 12:23 am |
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Mongoska
Joined: Tue Jan 24, 2012 12:40 am
Posts: 37
Location: Weymouth, England
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Re: For Loops Aha, okay! Here it is! Code: function Create(self)
self.fired = false;
end
function Update(self)
if self:GetController():IsState(Controller.WEAPON_FIRE) and self.Head:IsAttached() and self.FGLeg:IsAttached() and self.fired == false then
local Emitter = CreateAEmitter("Maximilian Talon", "Maximilian.rte")
local damagePar = CreateMOPixel("Maximilian Talon Slash", "Maximilian.rte")
Emitter.Vel = self.Vel
damagePar.Vel = Vector(30,0):RadRotate(self:GetAimAngle(true));
if self.HFlipped then
Emitter.RotAngle = self.Head.RotAngle + 3.1415
else
Emitter.RotAngle = self.Head.RotAngle
end
damagePar:SetWhichMOToNotHit(self,-1)
damagePar.Pos = self.FGLeg.Pos + self.FGLeg:RotateOffset(Vector(0,-15))
Emitter.Pos = self.FGLeg.Pos + self.FGLeg:RotateOffset(Vector(0,-15))
for i = 1,15 do
if self.HFlipped then
damagePar.RotAngle = damagePar.RotAngle + 0.13
else
damagePar.RotAngle = damagePar.RotAngle - 0.13
end
MovableMan:AddParticle(damagePar)
end
MovableMan:AddParticle(Emitter)
self.fired = true;
end
if self:IsPlayerControlled() == false then
self:GetController():SetState(Controller.BODY_CROUCH, false);
end
local Ctrl = self:GetController();
if Ctrl:IsState(Controller.BODY_JUMPSTART) then
else
self.AngularVel = self.AngularVel * 0.75;
end
if not self:GetController():IsState(Controller.WEAPON_FIRE) then
self.fired = false;
end
end
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| Sat Jan 28, 2012 1:11 am |
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Mongoska
Joined: Tue Jan 24, 2012 12:40 am
Posts: 37
Location: Weymouth, England
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Re: For Loops I'm still having trouble with this! If anyone has any idea as to what I'm doing wrong it'd be appreciated!
I just can't fathom what relationship the AddParticle has with the For Loop that makes in incompatible with my CreateMOPixel function!
Unless...
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| Sun Jan 29, 2012 1:36 am |
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Mongoska
Joined: Tue Jan 24, 2012 12:40 am
Posts: 37
Location: Weymouth, England
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Re: For Loops Revelation! I'm still not sure why the local variable had to be defined within the For Loop, but that was the problem! Code: for i = 1,15 do
local damagePar = CreateMOPixel("Maximilian Talon Slash", "Maximilian.rte")
local damageParRot = 0.13 * i
if i == 1 then
if self.HFlipped then
damagePar.Vel = Vector(30,0):RadRotate(self:GetAimAngle(true) + 0.975);
else
damagePar.Vel = Vector(30,0):RadRotate(self:GetAimAngle(true) - 0.975);
end
damagePar:SetWhichMOToNotHit(self,-1)
damagePar.Pos = self.FGLeg.Pos + self.FGLeg:RotateOffset(Vector(0,-15))
MovableMan:AddParticle(damagePar)
else
if self.HFlipped then
damagePar.Vel = Vector(30,0):RadRotate(self:GetAimAngle(true) + 0.975 - damageParRot);
damagePar:SetWhichMOToNotHit(self,-1)
damagePar.Pos = self.FGLeg.Pos + self.FGLeg:RotateOffset(Vector(0,-15))
else
damagePar.Vel = Vector(30,0):RadRotate(self:GetAimAngle(true) - 0.975 + damageParRot);
damagePar:SetWhichMOToNotHit(self,-1)
damagePar.Pos = self.FGLeg.Pos + self.FGLeg:RotateOffset(Vector(0,-15))
end
MovableMan:AddParticle(damagePar)
end
end I made the rotations work now, too. Hmm... Could it be that the variables for For Loops are defined within them in order to make the "i" variable work? That'd make sense.
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| Sun Jan 29, 2012 2:53 am |
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TheLastBanana
DRL Developer
Joined: Wed Dec 13, 2006 5:27 am
Posts: 3138
Location: A little south and a lot west of Moscow
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Re: For Loops CreateMOPixel makes the actual particle. MovableMan:AddParticle just tells the game to include it in the simulation from that point on. The problem is that you were creating one particle, but trying to add it 15 times. By moving that into the for loop, you're creating a new particle to add each time.
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| Sun Jan 29, 2012 9:00 am |
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Mongoska
Joined: Tue Jan 24, 2012 12:40 am
Posts: 37
Location: Weymouth, England
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Re: For Loops Good gosh and blimey! It's so simple!
Well, shoot me down and sell my corpse to a bishop!
Thanks!
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| Sun Jan 29, 2012 10:34 am |
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