Poser Python script to make a figure breathe

Here is a Python script to automate the key frame insertion and posing of having a Poser figure breathe.
In this code, I also used the model JessicaCasual which comes with Poser 6 as in my blinking example.
This scripts adjusts the size of the chest and abdomen in a cyclical manner.



Here is the generated video. Please note that the blinking script was also used.

--- BEGIN Script ---

# Copyright (C) 2007 Hideyuki Inada.  All rights reserved.
#
# Note: Please adjust the end frame of the animation using the UI.

# Parameters
nStartFrame = 0
nEndFrame = 300

nFramePerSecond = 30

sParameterName = "xScale"
sParameter2Name = "zScale"

nBreathingPerMinute = 16 # See ref 1 below
nCycleDurationInFrame = 60 * nFramePerSecond / nBreathingPerMinute
nHalfCycleDurationInFrame = int(nCycleDurationInFrame / 2)
 
# Helper method
def debugPrint(sArg):
 print(sArg)


def insertKeyFrameAndSetValue(nFrame, oScene, oActor, sParameterName, nParameterValue):
 oScene.SetFrame(nFrame)
        oActor.SetParameter(sParameterName, nParameterValue)
        oActor.AddKeyFrame(nFrame)

# main start
debugPrint("Script starting")
debugPrint("Running on Poser version " + poser.Version())

# Obtain the reference to the Scene object
sce = poser.Scene()

# Setting ranges
sce.SetOutputRange(nStartFrame, nEndFrame)

mm = sce.MovieMaker()
mm.SetOutputStartFrame(nStartFrame)
mm.SetOutputEndFrame(nEndFrame)

fig = sce.Figure("JessicaCasual")
actor = fig.Actor("Chest")
actor2 = fig.Actor("Abdomen")

# Setting poses and inserting key frames

insertKeyFrameAndSetValue(0, sce, actor, sParameterName, 0)

bLastState = 1 
# See ref 2 if you can use the keyword "True" here in your environment
# In my enviroment, 1 is used since "NameError: name 'True' is not defined" was displayed
# during run-time

for i in range(nStartFrame, nEndFrame):
 if (i % nHalfCycleDurationInFrame == 0):
  if(bLastState == 1):
                 insertKeyFrameAndSetValue(i, sce, actor, sParameterName, 0.98)
                 insertKeyFrameAndSetValue(i, sce, actor, sParameter2Name, 0.98)

                 insertKeyFrameAndSetValue(i, sce, actor2, sParameterName, 0.98)
                 insertKeyFrameAndSetValue(i, sce, actor2, sParameter2Name, 0.98)

   bLastState = 0
  else:
                 insertKeyFrameAndSetValue(i, sce, actor, sParameterName, 1.02)
                 insertKeyFrameAndSetValue(i, sce, actor, sParameter2Name, 1.02)

                 insertKeyFrameAndSetValue(i, sce, actor2, sParameterName, 1.02)
                 insertKeyFrameAndSetValue(i, sce, actor2, sParameter2Name, 1.02)

   bLastState = 1

debugPrint("Script completed")
# end of code

# References 
# 1. http://answers.yahoo.com/question/index?qid=20070715141510AAaQ71b
# 2. http://docs.python.org/lib/node8.html

--- END Script ---