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J2B2

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Ask J2B2

 

J2B2 is dedicated to creating resources and educating the community on all aspects of cartridge creation.

Most of our cartridges are open source, which means users can download the source files to use the media and learn from the code.

 

Current open source cartridges:

 

Puppetworld (Seattle)

http://www.Wherigo.com/cartridge/details.a...93-c614b1a1b6a2

 

Penguin Escape! (Seattle)

http://www.Wherigo.com/cartridge/details.a...c3-e4ac7a6abe71

 

Nooks and Alleys (San Francisco)

http://www.Wherigo.com/cartridge/details.a...1b-78f237b65045

 

Momotaro and the Ogre (San Jose)

http://www.Wherigo.com/cartridge/details.a...92-9bdac44cf83f

 

Flea Market Puzzle cart (San Jose)

http://www.Wherigo.com/cartridge/details.a...4f-18edac8264a8

 

This thread is for providing the community with answers to specific questions related to cartridge building. Have a question about a cartridge we created? Want to know how we scripted a particular event? Curious about our creative process? Ask here!

 

For questions that don’t relate to J2B2 cartridges, visit the Wherigo website for interactive Builder tutorials that walk users through specific concepts. Find them here: http://www.Wherigo.com/tutorial/index.html

 

J2B2 :)

Edited by J2B2
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Just curious: who does the artwork/images for your carts? It's top-notch. ;-)

Hi!

 

Thank you very much for your support. Two of our members- Jen and Chuck are artists with sequential art background. They create all the wonderful media for our cartridges.

 

J2B2 :unsure:

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I’m ready to publish a Wherigo tour-guide cartridge. But there is on image missing. I’m looking for a nice looking guide. The only one I did found so far is your zookeeper image from the penguin escape cartridge. Is it ok to use your zookeepermsg.jpg image?

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I’m ready to publish a Wherigo tour-guide cartridge. But there is on image missing. I’m looking for a nice looking guide. The only one I did found so far is your zookeeper image from the penguin escape cartridge. Is it ok to use your zookeepermsg.jpg image?

 

Of course!

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In the gizmo cartridge (the tutorial) there are 2 calls to

 

Player:RefreshLocation()

 

(lines 1154 and 1162)

 

What is the purpose of these? What do these calls do?

 

Thanks

 

That line of code forces an update to the player's lat/lon (position) if there is one. This is so that if there's a lag in gps processing, the location will update with this function call. If the gps is on and there is a good signal, this isn't needed.

 

Thanks! :D

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That line of code forces an update to the player's lat/lon (position) if there is one. This is so that if there's a lag in gps processing, the location will update with this function call. If the gps is on and there is a good signal, this isn't needed.

 

Thanks J2B2

 

Could you help a bit further by explaining what you mean by a "lag in GPS processing" ?

 

Do you mean

  • slow code execution, during which the player might have moved?
  • loss of GPS signal altogether (or at least with a reasonable accuracy)?
  • something else?

Is this something that all coders should be considering the need to handle in their cartridges? I have a nagging worry that there are all kinds of things that could go wrong for one of the above reasons or similar causes and which most code is not going to handle safely (or even, at all).

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Hello!

 

On older pocket pc's in the early stages of Wherigo, we had some lag in updating the User Interface from location. On all machines with GPS there can be a lag in the gps signal which results in a lack of a location. The net result of this is that the zone list may not appear to update for a while.

 

Hope this answered your question!

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