I’ve just added a new feature into the repository to make it easier for people to use visual stimuli (images, shapes, gratings, movies…) as virtual buttons. For a long time we’ve had the option to use code and insert snippets like
if sum(mouse.getPressed()) and myShape.contains(mouse):
print("My shape was pressed")
Well what I’ve just added allows Builder to insert that sort of code for you. This is done from the Mouse Component rather than from the stimuli, but hopefully it will make sense this way. New dialog looks like below.
Mouse now has some extra options:
clickable: allows you to say what objects should be treated as buttons
store params for clicked: allows you to choose what info about the clicked object gets stored
new clicks only: is like “discard previous” in the keyboard
force end routine: used to be just True or False but this can now be “never” (like False), “any click” (like True) and “valid click” (new option so the routine doesn’t end unless the click the mouse on a “clickable” stimulus.
Use cases in my head:
click on the image you like most: we set both images as clickable and store the image parameter
visual search task: we only make the target clickable and measure reaction time until the participant clicks it
corsi blocks task: now really easy to measure the sequence of clicks (don’t end the trial on any click) and see if it matches the original sequence
Any thoughts? Better names that novice users will find easier to understand?
It’s very nice, but do we have to write raw parameter name (e.g. fillColor) instead of displayed parameter name (e.g. Fill Color)? It may be difficult for beginners.
Hmm, the script definitely needs to be using the true variable name. Potentially we could perform a conversion but that would be quite tricky code to write and would need to make assumptions about what the object is going to be. I think that might have to wait for iteration two!
At the moment this is a replacement for the user having to write a Code Component (and in that Code they would need to use attributes like shape.fillColor)
Thank you for getting back to me,
I have created a preference experiment with 6 images and the participant chooses their favorite image, but the routine will finish even if they click on other parts of the screen.
Is there a way I could only allow the routine to continue if they pick the given images only?
This is a great feature. I’d love to see the option to define clickable stimuli, but then also define a correct stimulus. This would allow you to collect the RT from all responses, but also only terminate the routine after the correct stimulus is clicked. Thanks!
