Potential Playbook Bug In GetPointerX or ScreenToWorldX

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chrisnob

12

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Joined: 3rd May 2012

Location: Leeds - UK

Posted: 16th Jul 2012 17:07

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Hi All,

I have versions of my game, SplatWord released on Android and pending approval from Apple. They both use AppGameKit version 1076 and are hopefully bug free.

However, I am working on the BlackBerry release using the Tier 1 and Tier 2 Beta from 15th May. This has to use AppGameKit version 1065 and I think there may be a bug on BlackBerry with GetPointerX or ScreenToWorldX.

If I click on the screen continuously and place a sprite at the point of the touch:

+ Code Snippet

       
If GetPointerPressed() = 1
    x = GetPointerX()
    y = GetPointerY()

    x = ScreenToWorldX(x)
    y = ScreenToWorldY(y)

    SetSpritePosition(SPRITE_SPLAT_BLUE, x, y)
EndIf

Every now and again the Sprite jumps in an erratic fashion, way off from my finger press.

Has anyone noticed this behaviour or does anyone have a workaround?

Failing a work around, does anyone know when a BlackBerry update is planned?

Thanks,

Chris
--

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chrisnob

12

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Joined: 3rd May 2012

Location: Leeds - UK

Posted: 16th Jul 2012 20:07

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Something very strange happening!

I've since tried the app after a hard reboot and the touch events are perfect.

Next time I'll turn it off and turn it back on again before I post!

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bjadams

AGK Backer

16

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Joined: 29th Mar 2008

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Posted: 19th Jul 2012 17:13

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the agk playbook version was released for the free playbook offer and is not final.

we never got the final version. i hope we do get it 1 day as i have a game fully finished but i need the ad commands

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chrisnob

12

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Joined: 3rd May 2012

Location: Leeds - UK

Posted: 19th Jul 2012 19:28 Edited at: 19th Jul 2012 19:30

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An updated AppGameKit for the Playbook would be great.

I don't use the ad commands so I was able to use my v1076 code by just commenting out a few new commands. However, I did have to rework my highscore screen because I was using the new edit text box.

My app, SplatWord has made it onto BlackBerry App Word so fingers crossed for a few sales.

http://appworld.blackberry.com/webstore/content/125704/?lang=en

I did get to the bottom of the touch events jumping around. They jump for all Apps if the Playbook is being charged from my PC.

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polomint

12

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Joined: 3rd Apr 2012

Location: Lancashire, United Kingdom

Posted: 19th Jul 2012 20:55

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Yes, it seems using a non-bbpb charger will cause the pb to throw a wobbly. I noticed the problem with the UI months ago, didn't realise that it would cause problems with code though, even though it makes sense...

Blackberry App Development & ZX Spectrum Game Development.

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Trisect Development

21

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Joined: 8th Sep 2002

Location: Denmark

Posted: 29th Aug 2012 18:00

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+1 for Updated PlayBook support for v1076

Check my games for iPad, Android Tablet and PlayBook.
www.ipad-apps.dk

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Android / Potential Playbook Bug In GetPointerX or ScreenToWorldX