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Self regenerating MOPixels
http://45.55.195.193/viewtopic.php?f=73&t=20031		 Page 1 of 1
Author:  Roast Veg [ Mon Oct 25, 2010 10:55 pm ]
Post subject:  Self regenerating MOPixels
In response to the discovery that all children of MovableObject can be scripted, I did some experimentation.
I have a script that is supposed to create an MOPixel upon its own Destroy function. Every time the pixel is destroyed, however, the console returns:
Quote:
ERROR: Tried to add a Particle that already exists in the simulation!


So, without further ado, here is the script:
Code:
function Create(self)
   self.positionX = nil
   self.positionY = nil
end

function Update(self)
   self.Age = 1
   self.RotAngle = 0
   self.ToSettle = false
   self:NotResting();
   self.positionX = self.Pos.X
   self.positionY = self.Pos.Y
end

function Destroy(self)
   self.particle = CreateMOPixel("Red Fluid" , "Fluid.rte");
   self.particle.Pos = Vector(self.positionX + 1, self.positionY - 1);
   MovableMan:AddParticle(self.particle);
end


Any ideas?
Author:  zalo [ Tue Oct 26, 2010 4:53 am ]
Post subject:  Re: Self regenerating MOPixels
Maybe have two different MOPixels that alternate, Red Fluid spawns Red Fluid1 and Red Fluid1 Spawns Red Fluid.

Also, they might be a problem trying to get self. vars on destroy, but I don't know. Try Globals just to see if it works.
Author:  Roast Veg [ Tue Oct 26, 2010 1:44 pm ]
Post subject:  Re: Self regenerating MOPixels
I originally used globals for this script, but CaveCricket told me to switch. It changed nothing.

I will try some sort of alternation, though.
Author:  findude [ Tue Oct 26, 2010 2:18 pm ]
Post subject:  Re: Self regenerating MOPixels
Localize the variable, move it out of Destroy() to an if self.ToDelete then in Update()
Author:  Roast Veg [ Tue Oct 26, 2010 2:20 pm ]
Post subject:  Re: Self regenerating MOPixels
Ok, will do that too.

Anything else before I actually get to work on this thing?
Author:  findude [ Tue Oct 26, 2010 2:57 pm ]
Post subject:  Re: Self regenerating MOPixels
Well, uh, all unitialized variables start as nil, undefined.
Why do you need said variables anyways?
Author:  Roast Veg [ Tue Oct 26, 2010 3:10 pm ]
Post subject:  Re: Self regenerating MOPixels
Uh, yea I guess I don't need those now.

So now I have two scripts, each creating the other in an if statement on the Update() function.

Script 1:
Code:
function Update(self)
   self.Age = 1
   self.RotAngle = 0
   self.ToSettle = false
   self:NotResting();
   self.positionX = self.Pos.X
   self.positionY = self.Pos.Y
   if self.ToDelete == true then
      self.multiple = CreateMOPixel("Red fluid" , "Fluid.rte");
      self.multiple.Pos = Vector(self.Pos.X + 1, self.Pos.Y - 1);
      MovableMan:AddParticle(self.multiple);
   end
end


Script 2:
Code:
function Update(self)
   self.Age = 1
   self.RotAngle = 0
   self.ToSettle = false
   self:NotResting();
   self.positionX = self.Pos.X
   self.positionY = self.Pos.Y
   if self.ToDelete == true then
      self.multiple = CreateMOPixel("Red fluid 1" , "Fluid.rte");
      self.multiple.Pos = Vector(self.Pos.X + 1, self.Pos.Y - 1);
      MovableMan:AddParticle(self.multiple);
   end
end


HOORAH! It works now! It er... doesn't do what I expected it to do, but at least there are no errors any more. Thanks guys for the help.
Author:  findude [ Tue Oct 26, 2010 3:44 pm ]
Post subject:  Re: Self regenerating MOPixels
Localize. The. Particle. Pointers. Okay?
It's saving up the pointer for no reason at all. Doesn't affect anything, but is bad just because.

Code:
local particle = CreatMOPixel("lrn2localize")
particle.Pos = self.Pos
MovableMan:AddParticle(particle)




And again, why on earth are you storing the position in two seperate variables, especially since you don't even use them at all?
Author:  Roast Veg [ Tue Oct 26, 2010 3:48 pm ]
Post subject:  Re: Self regenerating MOPixels
findude wrote:
Okay?

Okay, okay, calm down.

findude wrote:
And again, why on earth are you storing the position in two seperate variables, especially since you don't even use them at all?


Uh, yea, should have deleted that bit of the script... my mistake. I'll clean it up some more.
Author:  findude [ Tue Oct 26, 2010 4:00 pm ]
Post subject:  Re: Self regenerating MOPixels
Roast Veg wrote:
findude wrote:
Okay?

Okay, okay, calm down.


I mad.


But yeah, clean script not only benefits the developement process but also helps anyone looking at it trying to figure out what it does.


Keep it clean!
Author:  Roast Veg [ Tue Oct 26, 2010 4:10 pm ]
Post subject:  Re: Self regenerating MOPixels
Scripts are all nice and daisy fresh, but I made the pixels GetHitByMOs = 1. Causes game crashing errors, don't you know. Must remember never to do that again. :oops:

Anyway, script works, whatever.
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