Joystick in E-prime 2.0 Standard

[hftibboel at gmail.com]

Dear all,
I am currently trying to program an experiment in which pictures are
presented on the screen, and participants are required to push or pull
the faces using a joystick.
When the joystick is pushed, the image size needs to gradually
decrease (to strengthen the feeling that the picture is indeed pushed
away). When the joystick is pulled, the image size should increase.
However, I have no idea how to do this with a joystick. I am using E-
prime version 2.0. Standard.
So far, the experiment is working if keyboard-buttons are used instead
of joystick movements. For each picture, there are seven different
versions of different sizes. Each trial thus consists of 7 images, and
depending on which response is given, the experiment jumps to a bigger
or smaller version of the starting image. So my questions are: how can
I collect joystick-movement-data and how I can subsequently use this
information to present the next picture.
Thank you,
Helen Tibboel
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