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 Lua tricks Topic 
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findude
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Joined: Tue Dec 12, 2006 3:10 pm
Posts: 495
Location: Uncertain quantum state
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Post Re: Lua tricks Topic
Code:
actor.Health = -1;
actor.ToSettle = true;


Ohai how nice of you to stick around.
Mon Oct 19, 2009 5:31 pm
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Abdul Alhazred
DRL Developer
DRL Developer

Joined: Tue Aug 11, 2009 5:09 am
Posts: 395
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Post Re: Lua tricks Topic
If you manage to rotate a dropship 360 degrees without braking it and keep it flying right side up, it will still auto scuttle. Probably because self.RotAngle goes above 2*pi. This little snippet prevents it:
Code:
if self.RotAngle > 6.283185 then
    self.RotAngle = self.RotAngle - 6.283185
elseif self.RotAngle < -1.570796 then
    self.RotAngle = self.RotAngle + 6.283185
end
Tue Nov 03, 2009 3:42 pm
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Grif
REAL AMERICAN HERO
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Joined: Sat Jan 27, 2007 10:25 pm
Posts: 5655
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Post Re: Lua tricks Topic
I used a similar script for the plane, but simplified:

if self.RotAngle > math.pi * 2 then
self.RotAngle = 0;
elseif self.RotAngle < math.pi * -2 then
self.RotAngle = 0;
end
Tue Nov 03, 2009 3:51 pm
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Abdul Alhazred
DRL Developer
DRL Developer

Joined: Tue Aug 11, 2009 5:09 am
Posts: 395
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Post Re: Lua tricks Topic
This script limits the aiming angle of the actor to [-0.3 .. AimRange] by setting the angle of the weapon attachable every update:
Code:
function Create(self)
   -- Find the gun
   for i = 1, MovableMan:GetMOIDCount()-1 do
      if MovableMan:GetRootMOID(i) == self.ID then   -- an obj without a parent has ID == RootID
         self.Gun = MovableMan:GetMOFromID(i)
         if self.Gun.ClassName == "HDFirearm" then
            self.Gun = ToAttachable(self.Gun)
            break
         end
      end
   end
end

function Update(self)
   if self.Gun:IsAttached() then
      -- Restrict aiming: from 0.3 rad below horizon and above
      if self.HFlipped then
         if self.Gun.RotAngle > 0.3 then
            self.Gun.RotAngle = 0.3
         end
      elseif self.Gun.RotAngle < -0.3 then
         self.Gun.RotAngle = -0.3
      end
   end
end
Thu Mar 25, 2010 6:31 pm
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