Mouse input: Problem with defining response areas on screen

[ben robinson]

the key to your problem is "HitTest".  look for that in Help>E-Basic Help.
basically, HitTest checks to see whether a mouse click occurred on an object
or not.  you could then use a "Select Case" dealy in your inline to respond
differently depending which object (or none) is clicked.

On Tue, Jul 1, 2008 at 3:23 PM, Dina <deedeevau at hotmail.com> wrote:

>
> Dear E-primers,
>
> I'm stuck with an inline script and I hope there's someone
> who is willing to help me with this.
>
> One of the tasks I'm programming in E-prime is the following:
>
> -Consists of 8 main blocks of 12 trials each.
>
> -In addition, there's 1 block with only 3 practice trials.
>
> -On each trial, people have to make a choice between 4 response
> alternatives: UpperLeft, UpperRight, BottomLeft, BottomRight. These
> locations correspond to an image sub-object in each corner of the
> screen.
>
> -At the moment, all the blocks are set on keyboard with 1 (UL), 2
> (UR), 3 (BL) and 4(BR) as responses, except for the first block which
> I'm trying to switch on mouse-input.
>
> -In the end, I want to change all blocks in mouse-input (at the very
> end, I will have to emulate into touch screen mode).
>
> -During the first block only, all four pictures/image sub-objects are
> correct (people have to choose their favourite picture); on the rest
> of the 7 blocks, only one of the pictures will be correct. I'm
> assuming that different inline scripts will be necessary.
>
> Using the script, the programme runs. However, the responses on each
> trial are not logged properly (it states: "1" which corresponds to the
> left mouse-button click, I assume) and wherever I click on the screen,
> I can proceed to the next trial (as opposed to only clicking on the
> image sub-objects), so clicks outside the image-sub objects are
> accepted as responses.
>
> How can I solve these problems? I would be very grateful if someone
> could advice me,
> I have to implement this in many other tasks.
> Many thanks in advance!
>
> Greetings,
> Dina
> >
>

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