Transformgroups position in the virtual world.

Hi,
I need to know if its possible to get a transformGroups position in the virtual world.
Lets say transformGroupGETPOSITIONIS the child of transformGroupA, and transformGroupA is a child of transformGroupB. Now if transformGroupA and transformGroupA are rotating and moving all over the place, transformGroupGETPOSITIONIS posiiton will change in the virtual world, but because transformGroupGETPOSITIONIS never moves or rotates, will it know thats it's moving and have some values that represent it's position the the virtual world?
Any help is appricated.
ps, if the transformgorup dosn't know it's position in the virtual world, i have to go off and learn about 3d matrix's, and lets say your studing maths in college, you don't study this until semester 2 of year 2. So it's going to be kinda hard..... anyway again, any help will do.
thanks

Hi, ya i got it after so if anybodys looking for the solution to this question, here it is :
private Vector3d ReturnTransformGroupsVirtualWorldPosition(TransformGroup inputTransformGroup)
     Transform3D oldPositiont3d = new Transform3D();
     inputTransformGroup.getLocalToVworld(oldPositiont3d);
          Vector3d getPosition = new Vector3d();
          oldPositiont3d.get(getPosition);
          return getPosition;
just throw in your transformGroup and it will return back your Virtual world position.

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Ok so this is the code that i have writen so far:
Random aRandom;
aRandom.nextBoolean();
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if (aRandom == 0)
chaser.moveTo(160,120);
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chaser.moveTo(160,360);
if (aRandom == 2)
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if (aRandom == 3)
chaser.moveTo(480,360);
this is what the outcome is supposed to be :
Chaser is created at one of 4 positions in the
world: (160, 120), (160, 360), (480, 120), or (480, 360). You must use a random decision to choose
which of the four locations Chaser should start at.
im really new to this does anyone khow what im doing wrong?
below is the starter code that i have just in case anyo0ne wants to take a look at it!
// Fall 2008 Comp 110 Barnes Project 2
// Put descriptive comments about what your program does and how it does it
import java.util.Random; // used for making probabistic decision
// You must use the methods and the arguemtns in this starter file.
public class TurtleTag {
// class instance variables are declared outside of any class method
// and are accessible from anywhere within the class.
Random aRandom; // object that returns (gets) random values
Turtle chaser, evader; // Turtle "objects" of our game
int delayInterval = 750; // time delay between steps to see the chase
int chaserStep = 5, evaderStep = 8; // distance of turtle's step
// Constructor method -- makes a TurtleTag object.
public TurtleTag(World aWorld, int gameSteps) {
int chaseX = 160, chaseY = 120; // starting location for chaser turtle
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// create a new evader Turtle and give it a name
// set the value of steps here
evader = new Turtle(aWorld);
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// determine where chaser turtle will start
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play(gameSteps);
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// Do not change this method or its call in play.
// This method is needed for moving Turtles.
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catch (InterruptedException ie) {
System.out.println("Error in delay() " + ie.toString());}
} // end of delay()
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// Put your code here
// Write the definition (body) for this method.
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// Put your code here
// Uncomment the declaration of this method.
// Write the definition (body) for this method.
// public int distanceBetween(Turtle chase, Turtle evade) {
// Put your code here
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// Complete the definition (body) for this method.
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// some local variables here
// get positions of chaser and evader turtles
// while not tagged and moves is less than steps) do
// moves++;
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// distance = distanceBetween("what arguments go here?");
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// else // evader moves
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// + moves + " steps");
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should i use the aRandom.nextInt(max) intead i am so confused right now i wish i could just give up but i have to do this even if it takes me all week!
I am really new to this and the teacher that i have never answer our questions. the book that we read for this class desent even teach us how to do randoms sorry that im writing this im just really sick of this because i have been trying to figure this out from yesterday to today and this is just the begining.
Bye the way i really apreciate your help even though i think that i am geting more confused.
so what i have so far is totaly wrong right?

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Looking for Game Developers/Producers and Virtual World Developers for Adobe Research Study

The Adobe User Research Team is interested in talking to game developers/producers and virtual world developers to better understand the development process, the tools/technologies used, and the development/business challenges. Your insights will help us improve our platform and tools as well as develop new solutions. You do not need to be Flash developers to participate.
The research study will be a 2-hour one-on-one phone interview. As a token of appreciation, interview participants will receive a $150 American Express Gift Check.
If this sounds like something you might be interested in, please fill out our short preliminary screener here:
http://www.adobe.com/go/gamedevscreener
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Transformgroups position in the virtual world.

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