Is it possible to reset a transformation in loop?

[2000apacman]

As said in the subject, i would like to know if it's possible to reset a transformation in loop.
example :

x=0
while x < nbit
  t = Geom;;Transformation.rotation(pivotpt, norm, 90.degrees)
  group1 = group0.copy
  group1.transform!(t)
  group0 = group0.parent.entities.add_group([group0, group1])
  pivotpt.transform!(t)
  x += 1
end

[TIG]

It looks like it should work...
Just try it...
Note that instead of using a 'while' loop you could use something like:
nbit.times{ ... }

[2000apacman]

Well, i tried but it seems that doesn't work...
And i don't understand why not.
Here is my complete script (with nbit correction)

lg = 1.m
nbit = 5
point1 = [0,0,0]
point2 = [lg,0,0]
point3 = [lg,lg,0]
norm = [0,0,1]
group0 = Sketchup.active_model.entities.add_group
line = group0.entities.add_line point1,point2
line = group0.entities.add_line point2,point3
pivotpt = point3

nbit.times{
  t = Geom;;Transformation.rotation(pivotpt, norm, 90.degrees)
  group1 = group0.copy
  group1.transform!(t)
  group0 = group0.parent.entities.add_group([group0, group1])
  pivotpt.transform!(t)
}

Maybe i may transform the coordinates system instead. Or do you know another trick like using an indexed variable name for t?

[TIG]

You can of course use:
point.transform!(t)
And make each geometry set in turn...
What is it you want to end up with ?
I note that near the end of the {} you are transform-rotating 'pivotpt' anchored on itself - so it stays where it is !

[2000apacman]

Oups! you're right. that's the problem!
I am trying to make a dragon curve.