[Resolved] Get list of objects on the stage- memory clean up

Games
1

In my game, I have a need to remove all of the stage objects (for a new level). After I call the clean up code, I check the stage to see if there are any objects remaining. I’m using the following code:

print("Stage Objects: "…display.getCurrentStage().numChildren)

I’d like to loop through and get the names of all the objects still left in memory so that I can fix my clean up code to remove them (via object:removeSelf()). I tried to loop through the stage objects but it seems that the root stage is a container of all groups and objects and I can’t figure out how to print their names or ids to the console window. All of my object have a “name” property such as object.name that I set so that I can relate them back to the object.

Any help would be appreciated and save me time.

thanks,
Rob [import]uid: 38348 topic_id: 22876 reply_id: 322876[/import]

2

If you simply want to remove all the objects you can do so very easily like so;

[lua]display.setStatusBar (display.HiddenStatusBar)

local bg = display.newRect( 0, 0, 320, 480 )
bg:setFillColor(200, 0, 0)

local circle = {}

for i = 1, 6 do
circle[i] = display.newCircle( math.random(0,320), math.random(0,480), 30 )
end

local count = display.getCurrentStage().numChildren

local function cleanUp()
for i = 1, count do
display.getCurrentStage():remove(1)
end
end

timer.performWithDelay(2000, cleanUp, 1)[/lua]

Does this help?

Peach :slight_smile: [import]uid: 52491 topic_id: 22876 reply_id: 91404[/import]

3

Thanks for your post, Peach. I had done this in the past but was hoping I could avoid the black screen that results at the end of this operation.

I found and have removed all the objects but I was hoping to find a method that i could turn on when I find that I’m not removing an object.

What about a method for finding event listeners that are current at a given point in time, is there a way to view those in the console output?

thanks,
Rob [import]uid: 38348 topic_id: 22876 reply_id: 91837[/import]

4

I don’t believe so RE event listeners.

With cleanup, this would work with groups, or if the image/s you weren’t removing were the last ones added then you could also make that work.

Either of those could be used to prevent black screen :slight_smile: [import]uid: 52491 topic_id: 22876 reply_id: 91870[/import]

5

Good point. I’ll put the transition screen up and remove all of the items except the last item that was added. I like that idea.

thanks Peach.

Rob [import]uid: 38348 topic_id: 22876 reply_id: 91991[/import]

6

Not a problem, good luck with your project :slight_smile: [import]uid: 52491 topic_id: 22876 reply_id: 92123[/import]