Jython Programmimg help

Okay, so I have this program that will take a .wav sound file, and make it fade out

def fadeOut(factor):
  source=makeSound(pickAFile())
  canvas=makeEmptySound(getLength(source))
  curFactor=1.0
  numSamples=getNumSamples(source)
  for sourceIndex in range(0, getLength(source)):
    val=getSampleValueAt(source, sourceIndex)
    setSampleValueAt(canvas, sourceIndex, val/curFactor)
    curFactor=curFactor + factor/numSamples
  return canvas

now what would i have to change to make a fade in function, that is, the sound starts with a higher curFactor and by the end of it, it returns to one.

1) Use code tags when posting code to /prog/
2) Did you try to figure out the problem yourself? What did you try?
3) Did you try to google your problem?

1) Oh ok, my bad. this is my 1st time on this board. Would they just be [code] yadda [/code?] (w/o the ? ovbiously)

2) Yes, I've been running it in JES, and the fadeOut program works fine. I thought that all one would need to do would be to change "curFactor + factor/numSamples" to curFactor - factor/numSamples. I tried that, and it made the first portion of the file louder, and then faded out at the end.

3) I also tried to Google it as well, but either they write codes that run with errors that i don't know how to fix, or they use functions that don't work properly.

>>1
Actually, it should have a higher curFactor at the beginning, and return to 1 at the end. Sorry about that.