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AppGameKit Chat / AppGameKit snippets

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baxslash
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Posted: 21st Feb 2013 11:32 Edited at: 4th Apr 2013 17:12
I would like to start a list of useful snippets for the AppGameKit site. If you have some ideas for small examples of AppGameKit functionality you would like to see then please post them here and I will try to post 2-3 examples per week (here as well as on the AppGameKit site).

The intention is that some of the more popular questions can be answered by looking on the AppGameKit site and also it will provide an overview of how simple some features of AppGameKit are to use in practice.

So, what would you like to see a small example of? I will do my best to create examples of as many of the suggestions posted as possible.

I should probably say I'm talking Tier 1 snippets mainly but I may be able to help with the odd Tier 2 snippet too.

Snippet list:
Choose Image from device
+ Code Snippet
Capture image from camera
+ Code Snippet
Facebook login
+ Code Snippet
Advert commands
+ Code Snippet
Using particles
+ Code Snippet
Date / Time
+ Code Snippet
Hyperlink text
+ Code Snippet
Back Button on Android
+ Code Snippet
Point Sprite at mouse
+ Code Snippet
Create a box2D sprite
+ Code Snippet
Add virtual joystick and button
+ Code Snippet
Ultrabook sensors
+ Code Snippet

Examples from community:
Accelerometer control
HTTP connect and response
View Benchmark data
3D Turret firing

Requests:
Passing files across HTTP


this.mess = abs(sin(times#))
baxslash
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Posted: 21st Feb 2013 12:51
Here is a small example of the kind of snippet I'd like to make to help people understand how to use commands. Let me know if you have any commands or other examples you would like to see or any suggestions on how the examples could be improved.

Facebook login snippet (Tier 1 example):
+ Code Snippet


this.mess = abs(sin(times#))
Talairina
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Posted: 21st Feb 2013 12:51
That's a great idea Baxslash. Thing's like how to pass files across HTTP, interfacing with Facebook or using the Ad commands would be great.
Markus
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Posted: 21st Feb 2013 12:56
Choose Image

+ Code Snippet
baxslash
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Posted: 21st Feb 2013 13:00
Thanks Markus, that's a nice snippet! If anyone else wants to post a simple snippet I can use I would be very grateful. I hope you don't mind if I simplify it for new users though. Although your version is pretty simple to adapt for an app it might not be the simplest code for a new user to understand.

Talairina, I'll see what I can do for your requests. I hope the facebook example is useful


this.mess = abs(sin(times#))
Daniel TGC
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Posted: 21st Feb 2013 15:05 Edited at: 21st Feb 2013 15:15
Accelerometer control snippet, fantastic for phone and tablet tilt controls.

+ Code Snippet
Talairina
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Posted: 21st Feb 2013 15:08
They was more of a suggestion's but I do find that Facebook one quite interesting. Thank's for that Baxslash
CodeGit
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Posted: 22nd Feb 2013 08:19
This is a great idea!!!

------------------
Markus
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Posted: 22nd Feb 2013 21:07 Edited at: 22nd Feb 2013 21:10
HTTP Connect, get a URL and Show the Response$

+ Code Snippet
baxslash
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Posted: 22nd Feb 2013 23:58
Thanks again Markus, that's a nice snippet


this.mess = abs(sin(times#))
BatVink
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Posted: 24th Feb 2013 23:43
Very interesting

My first thought was that this is duplicating the Useful Functions thread...but it's not. The Useful Functions can be highly complex pieces of functionality, and don't have the infrastructure to run them out of the box. That's okay , as it is what was always intended.

I see this as a much needed thing too...nice simple code that just shows how it works.

Quote: "You have no friends to display"

...but that's just harsh!

baxslash
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Posted: 25th Feb 2013 09:31
Quote: "...but that's just harsh!"

You should have seen what it said in my original version

Yes, what I'd like to do with this is have some simple examples how to use a certain command or command set. I'll probably simplify it even further to just show the code you need. The FB example will just show how to log your app into Facebook, I'll split the friend list code into a separate example.


this.mess = abs(sin(times#))
=PRoF=
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Posted: 25th Feb 2013 11:56
@Baxslash:

Although the Facebook login stuff is useful, I found the aquisition of the App ID the hardest part. A decent tutorial for that for beginners might be handy

MrValentine
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Posted: 25th Feb 2013 13:19
Quote: "Although the Facebook login stuff is useful, I found the aquisition of the App ID the hardest part. A decent tutorial for that for beginners might be handy "


Quite easy I presume if it is to do with the Facebook Developers site...

If it is the method I presume it to be, can someone point me at the information needed and I will whip up a video by tomorrow for everyone...

=PRoF=
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Posted: 26th Feb 2013 00:58
@MrValentine:

I had a thread about it earlier in the month I think, I was trying to get the information to put in the FB Developers site to get the ID.

>Here< is the link to that thread.

xGEKKOx also did a thread about setting up an app for iOS and FB, but sadly, he skipped over the bit I'm stuck with (I know it's not exactly the same, but maybe it would have prodded me in the right direction)

>Here< is a link to that thread as well.

MrValentine
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Posted: 26th Feb 2013 01:48
I managed to get my own app created but that was for my blog, it is and can be tedious at times... specially with FBs recent changes... and they update on a weekly if not almost daily basis...

baxslash
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Posted: 1st Mar 2013 13:43
I've added a simplified version of the Choose Image and Capture Image command usage to the first post.


this.mess = abs(sin(times#))
xCept
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Posted: 1st Mar 2013 17:45 Edited at: 1st Mar 2013 17:46
Great thread Baxslash. Would you consider editing your original post to include the code snippets others have posted as well (or even just links to their actual posts)? This will make it much easier to review all of the snippets as the thread grows.
baxslash
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Posted: 1st Mar 2013 17:46
Yes, I'll do that if you like. I'll try to add links tonight... got to go out now!


this.mess = abs(sin(times#))
Markus
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Posted: 3rd Mar 2013 11:08 Edited at: 3rd Mar 2013 11:10
View Benchmark Values

+ Code Snippet
baxslash
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Posted: 5th Mar 2013 14:47
I've added four new snippets to the list at the top. I will be adding more soon. They will all be up on the AppGameKit website soon too

Added:
Advert commands
Particles
Date/Time
Hyperlink text


this.mess = abs(sin(times#))
xCept
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Posted: 5th Mar 2013 17:13 Edited at: 5th Mar 2013 17:14
Baxslash: In your Adverts snippet you state "admob is currently only available on iOS"

I asked a couple days ago about the state of AdMob and Android but hadn't heard back from any TGC developer. The documentation indicates it works for Android and iOS and I have successfully created a test project with AdMob adverts on three different Android devices as well as iOS. I know Paul mentioned last year they couldn't implement Admob for Android due to the NDK but it seems like that has been solved now?

I defined two separate apps on the AdMob site, one as an 'Android App' and one as an 'iPhone App' -- using either publisher ID seems to work fine on all Android and iOS devices.
baxslash
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Posted: 5th Mar 2013 17:16
xCept, isn't that just in the Beta version though? Not sure I should say it's working yet if it's not working in the latest release.


this.mess = abs(sin(times#))
xCept
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Posted: 5th Mar 2013 17:46
Yes, I'm using 1088 but I've been trying to confirm that it's at least working in that version. I didn't see any mention of Android AdMob integration in the AppGameKit change log which is why I've been wondering. Seems to work fine though.
Ravey
MyWorld Developer
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Posted: 8th Mar 2013 11:44 Edited at: 8th Mar 2013 11:47
// Rotate a sprite to face a location
+ Code Snippet


// This takes the desired resolution height of the app,
// and then adjusts the width to match the ratio of the device being
// run on. This means - no borders.
+ Code Snippet


// This shows how to place a sprite in the center of the screen when the display
// has been set up using the previous code
+ Code Snippet


// Takes a value and the range is belongs to and returns the result from a different range
+ Code Snippet


// Get Distance
+ Code Snippet


// Interpolate between to numbers, useful to smooth movement for network play etc.
// mu# is 0.0 - 1.0 to set the interpolation
+ Code Snippet


// Make a QR code
+ Code Snippet


// Grab an image from the screen
+ Code Snippet

Dave Milton
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baxslash
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Posted: 8th Mar 2013 11:47
Thanks Ravey Davey! There's something there for everyone


this.mess = abs(sin(times#))
Zeerun
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Posted: 12th Mar 2013 16:33
Rotating a 3D turret and shooting 3D bullets from the turrets rotation limiting the rate of fire and destroying the bullet if it strays too far
(utilising a wrap180 function you gave me a while ago when I was doing the same thing in 2D )



+ Code Snippet

I seek perfection but wear my scars with pride
baxslash
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Posted: 12th Mar 2013 16:52
Nice, I'll check it out later


this.mess = abs(sin(times#))
MikeMax
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Posted: 13th Mar 2013 10:50
Facebook commands are broken in android player 1088 ? i always include Facebook library without any problem when compiling the android player but when i use the commands with my appID (and with your code baxslash), it crashes
baxslash
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Posted: 13th Mar 2013 10:52
MikeMax, which player are you using? I didn't know we'd released a v1088 player...


this.mess = abs(sin(times#))
MikeMax
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Posted: 13th Mar 2013 10:53
no i am compiling the 1088 myself with eclipse works well for 3d etc ... compiled with facebook libs without any problem ... except when i want to use FB commands
baxslash
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Posted: 13th Mar 2013 10:55
Can you narrow it down to a specific command that is crashing the player and report it on the issues list?


this.mess = abs(sin(times#))
MikeMax
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Posted: 13th Mar 2013 10:58 Edited at: 13th Mar 2013 11:23
i will try

here is a link to my compiled player (compiled with all the libs needed .. especially facebook jar file.)

https://www.dropbox.com/s/gvagwekg3ra2wrh/AGKPlayer108b8.apk


EDIT : Seems to be the FacebookLogin() command which make the app crashes after few seconds (asynchronous command right ?)
MikeMax
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Posted: 13th Mar 2013 11:22 Edited at: 13th Mar 2013 11:24
Here is the FaceBook issue link (hoping that is not a specific issue from my compilation ?)

https://code.google.com/p/agk/issues/detail?id=510
ProfVersaggi
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Posted: 29th Mar 2013 09:16
I've been working on a series of AI commands from Bucklands book for Autonomous agents ... would that be useful for inclusion? If so, how might they be properly packaged?

----
From the Desk of Prof Versaggi ...
baxslash
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Posted: 29th Mar 2013 10:13
That would be very useful but perhaps it deserves its own post? These are really supposed to be very small examples and it sounds like your AI commands could be far larger than I really intended for these examples?


this.mess = abs(sin(times#))
RickV
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Posted: 29th Mar 2013 20:13
Hi all, behind the scenes I'm working with an artist to add a whole snippets section to the main AppGameKit web site. Please keep posting ideas here and when it's ready we'll start populating the main site.

Rick

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RickV
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Posted: 4th Apr 2013 01:42
Hi all,

I have been working on the snippets page this evening. Let me know what you think.

AGK Snippets

Rick

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JimHawkins
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Posted: 4th Apr 2013 01:55
Very good, Rick!

-- Jim DO IT FASTER, EASIER AND BETTER WITH AppGameKit FOR PASCAL
Naphier
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Posted: 4th Apr 2013 10:20
Looking sharp!

baxslash
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Posted: 4th Apr 2013 10:48
Spelling my name wrong though... it's the lower class "Steven" not the middle class "Stephen".

Looks good though Rick

I'll be adding some more later today after a little bug fixing.


this.mess = abs(sin(times#))
BatVink
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Posted: 4th Apr 2013 11:41
Quote: "Spelling my name wrong though... it's the lower class "Steven" not the middle class "Stephen""


I always had aspirations above my class
Although my dad spelt my middle name incorrectly on my birth certificate, just to even things out again

The snippets page is looking very good. Please make sure it retains only snippets that can be copied, pasted and run immediately, it's the ideal format for this kind of resource. If we need more complex stuff that can't be snippetised, we can use Daniel's useful functions thread.

baxslash
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Posted: 4th Apr 2013 12:26
Quote: "Please make sure it retains only snippets that can be copied, pasted and run immediately, it's the ideal format for this kind of resource."

That wasn't really the aim of the snippets originally. The aim was to give new or potential users an idea how to perform a simple / single function without all of the clutter of making an executable code example. It seems that that has become less important now that we have some fully executable code on the web page so I may need to clarify with Rick what we are trying to achieve.

Quote: "I always had aspirations above my class"

Me too


this.mess = abs(sin(times#))
Timshark
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Posted: 4th Apr 2013 13:53
I totally agree about not writing the snippets in a copy and paste format. That's just lazy. The less code the easier it is to learn from them. Agk isn't a drag and drop platform is it?

This thread is like a candystore for learning! Sweeeet! Love it.
baxslash
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Posted: 4th Apr 2013 16:14 Edited at: 4th Apr 2013 17:11
Point Sprite at mouse
+ Code Snippet

Create a box2D sprite
+ Code Snippet

Add virtual joystick and button
+ Code Snippet

Ultrabook sensors
+ Code Snippet

EDIT: Of course some code requires a loop to explain how it works


this.mess = abs(sin(times#))
BatVink
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Posted: 4th Apr 2013 23:45
Quote: "The aim was to give new or potential users an idea how to perform a simple / single function without all of the clutter of making an executable code example."


OK, I thought the idea was to have a piece of code that only performed the one function, but would run. So it's nice and simple as you say, and beginners can also see the result without having to know anything else. Otherwise it's the same as the useful functions thread?

I'm happy to concede I can have very slow moments, let me know where I'm going wrong

Hodgey
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Posted: 5th Apr 2013 01:30
The page is looking pretty good!

Quote: "Otherwise it's the same as the useful functions thread?"

I think this thread is for demonstration purposes (and we don't have to stuff it into functions) as opposed to importing ready-to-use functions into our code.

RickV
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Posted: 5th Apr 2013 10:55 Edited at: 5th Apr 2013 18:51
Hi,

I have updated the page and it's live for anyone who clicks on the Tutorials option from the header menu.

We'll keep adding ideas so that new users get a good sense of the commands AppGameKit has to offer when they first discover our little middleware tool!

Cheers,

Rick

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Marl
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Posted: 17th Apr 2013 20:00
I know it's old, but nothing's old to newbies.

Create a Full screen tiled background

The technique is easy, it's the maths I always mess up.
+ Code Snippet
Works best with devices running native resolution.
Will not work on the subimages of atlas textures
Timshark
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Posted: 18th Apr 2013 01:47 Edited at: 22nd Apr 2013 20:24
Math snippets is always nice to have a reference to

Edit: If these are usable I'm positive they need some revisions

Move a sprite along a circle:
+ Code Snippet

EDIT/ADD:
Move sprite along a sine wave:
+ Code Snippet

EDIT: added Frequency to sine wave

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