Introducing Gatcha platform to flash developers. on the17th of February 2011 for the Adobe User Group event at Ghent, Belgium.

1. GATCHA!
VELO PERS
FO R DE
Pieter De Schepper
Gatcha! Head Of Development
EXP: 254.186

2. WHO AM I ?

3. PHP DEVELOPER
API’S
2,5 YEARS
AT NETLOG
OPENSOCIAL
INTEGRATIONS
1 YEAR
LEAD DEVELOPER
AT GATCHA!

4. WHAT IS GATCHA?

5. “Gatcha! wants to bring people
together through gaming,
wherever they are”

6. “Gatcha! builds and distributes
games to
social networks and web-portals”

7. Every single day:
over 1M game plays
over 2200 days of play time
over 120 000 unique players

8. Grown and successful as one of
Netlogʼs features
Since Feb 2011 a
seperate business unit
in Massive Media

9. GATCHA!
ME Y GA
RATI NG M
INTEG

10. A ME High-score Handling
R G
YOU Achievements
A ME Challenge builder
IA LG Tournaments
S OC
OP
AT

11. Example Game

12. - Game runs inside FP 10 Gatcha Wrapper
- Communication through Events
-> Game Events
- Include SWC found at gatcha.com
- GameEvent
- Translations
- SafeMemory

13. Import classes
package
{
! import com.gatcha.api.GameEvent;
! import com.gatcha.api.Translations;
! import com.gatcha.memory.SafeMemory;
!
! public class KartOn
! {
!
! }
}

14. GAME TRACKING

15. Start Game

16. Asynchronous start
Using game events
private function onMouseClickStartButton(e:MouseEvent):void
{
! addEventListener(GameEvent.SINGLEPLAYER_START_GAME_RESULT, gatchaStartGameHandler);
! var gatchaStartGameEvent:GameEvent = new GameEvent(GameEvent.SINGLEPLAYER_START_GAME);
! dispatchEvent(gatchaStartGameEvent);
}
private function gatchaStartGameHandler(event:GameEvent):void
{
! startGame();
}

18. End Game
Tell Gatcha Game has ended
private function raceFinished():void
{
! endGame();
}
private function endGame():void
{
! var gatchaEndGameEvent:GameEvent = new GameEvent(GameEvent.SINGLEPLAYER_END_GAME);
! dispatchEvent(gatchaEndGameEvent);
}

19. Gameplay stats
Popularity
total, uniques, duration
Target game
Age
Gender Viral
Location

20. HIGHSCORES

21. Time
Position

22. Sending Highscores
With GameEvents
private function raceFinished():void
{
! var score:Number = calculateHighscore();
! updateHighscore(score);
}
private function updateHighscore(score:Number):void
{
! addEventListener(GameEvent.SINGLEPLAYER_UPDATE_HIGHSCORE_RESULT, scoreResultHandler);
! addEventListener(GameEvent.SINGLEPLAYER_UPDATE_HIGHSCORE_FAIL, scoreFailHandler);
! var event:GameEvent = new GameEvent(GameEvent.SINGLEPLAYER_UPDATE_HIGHSCORE, score);
! dispatchEvent(event);
}
private function scoreResultHandler(event:GameEvent):void
{
! endGame();
}
private function scoreResultFailed(event:GameEvent):void
{
! //Woops, something went wrong
}

23. Highscore and position
Leaderboards

24. Viral effect
Soon
- Challenges
- Tournaments
- Team Play

25. ACHIEVEMENTS
“Pass all other cars in one lap”

26. Sending Achievements
With GameEvents
private function passedAllCars():void
{
! var aggressiveAchievement:Object = {
! ! achievement: "AGGRESSIVE",
! ! title: "Aggressive Driver",
! ! description: "Pass all other drivers in one lap",
! ! icon: 'aggressive.png'
! }
!
! sendAchievement(aggressiveAchievement);
}
private function sendAchievement(achievement:Object):void
{
! var achEvent:GameEvent = new GameEvent(GameEvent.ACHIEVEMENT_REACHED, achievement);
! dispatchEvent(achEvent);
}

29. PERSISTENT
STORAGE

31. SharedObject (Flash Cookies)
- Confusing
- Intrusive
- Bad Usability
- Unreliable
Persistent Storage

32. Store Data
With GameEvents
private function raceFinished(level:Number):void
{
! unlockLevel(level + 1);
! var score:Number = calculateHighscore();
! updateHighscore(score);
}
private function unlockLevel(level:Number):void
{
! storeValue(‘unlockedLevel’, level);
}
private function storeValue(key:String, value:String):void
{
! var data:Object = {
! ! "key": key,
! ! "value": value
! };
!
! var storeEvent:GameEvent = new GameEvent(GameEvent.PUT_PERSISTENT_STORAGE, data);
! dispatchEvent(storeEvent);
}

33. Retrieve Data
With GameEvents
private function getValue(key:String):void
{
! addEventListener(GameEvent.GET_PERSISTENT_STORAGE_RESULT, getValueResultHandler);
! addEventListener(GameEvent.GET_PERSISTENT_STORAGE_FAIL, getValueFailHandler);
!
! var getEvent:GameEvent = new GameEvent(GameEvent.GET_PERSISTENT_STORAGE, key);
! dispatchEvent(getEvent);
}
private function getValueResultHandler(event:GameEvent):void
{
! var value:String = event.data;
! //Do something with value
}
private function getValueFailHandler(event:GameEvent):void
{
! //Woops, something went wrong
}

34. Delete Data
With GameEvents
private function deleteValue(key:String):void
{
! addEventListener(GameEvent.DELETE_PERSISTENT_STORAGE_RESULT, deleteValueResultHandler);
! addEventListener(GameEvent.DELETE_PERSISTENT_STORAGE_FAIL, deleteValueFailHandler);
!
! var getEvent:GameEvent = new GameEvent(GameEvent.DELETE_PERSISTENT_STORAGE, key);
! dispatchEvent(getEvent);
}
private function deleteValueResultHandler(event:GameEvent):void
{
! //Deletion succeeded
}
private function deleteValueFailHandler(event:GameEvent):void
{
! //Woops, something went wrong
}

36. TRANSLATIONS

37. 34
LANGUAGES
Translation API

38. Setting up translations
<?xml version="1.0" encoding="UTF-8" ?>
<messagebundle>
! <msg name="labelTotalScore">Total Score</msg>
! <msg name="controlsAccelerate">Accelerate</msg>
! <msg name="controlsBrake">Brake</msg>
! <msg name="controlsLeft">Steer left</msg>
! <msg name="controlsRight">Steer right</msg>
! <msg name="controlsPause">Pause</msg>
</messagebundle>

39. Accessing translations
private function setTranslations():void
{
! var totalScoreLabel:TextField = new TextField();
! totalScoreLabel.text = Translations.instance.getString("labelTotalScore");
!
! var accelerateLabel:TextField = new TextField();
! accelerateLabel.text = Translations.instance.getString("controlsAccelerate");
!
! var brakeLabel:TextField = new TextField();
! brakeLabel.text = Translations.instance.getString("controlsBrake");
!
! var leftLabel:TextField = new TextField();
! leftLabel.text = Translations.instance.getString("controlsLeft");
!
! var rightLabel:TextField = new TextField();
! rightLabel.text = Translations.instance.getString("controlsRight");
!
! var pauseLabel:TextField = new TextField();
! pauseLabel.text = Translations.instance.getString("controlsPause");
}

40. ENGLISH

41. FRENCH

42. DUTCH

43. GERMAN

44. ITALIAN

45. CHEATERS

46. SafeMemory
private function initScore():void()
{
! SafeMemory.instance.setValue("score", 0);
}
private function incrementScore(increment:Number):void()
{
! SafeMemory.instance.incrementValue("score", increment);
! /*
! Also available
! SafeMemory.instance.decrementValue("score",1);
SafeMemory.instance.multiplyValue("score",10);
SafeMemory.instance.divideValue("score",2);!
! */
}
private function updateScoreLabel():void
{
! scoreLabel.text = SafeMemory.instance.getValue("score");
}

47. MONETIZATION

48. Micropayments
Netlog - Credits

49. Netlog Credits
private function buyNewCar():void()
{
! var data:Object = {
! ! amount: 50,
! ! reason: “Would you like to pay 50 credits for the superkart?”
! };
!
! this.stage.addEventListener(GameEvent.GET_CREDITS_RESULT, creditsResultHandler);
! this.stage.addEventListener(GameEvent.GET_CREDITS_FAIL, creditsFailHandler);
! var getCreditsEvent:GameEvent = new GameEvent(GameEvent.GET_CREDITS, data);
! dispatchEvent(getCreditsEvent);
}
private function creditsResultHandler(event:GameEvent):void()
{
! //User had payed, give him the car
! //Store it in Persistent Storage API :-)
}
private function creditsResultHandler(event:GameEvent):void()
{
! //User has canceled payment
}

51. More information
GATCHA!
http://www.gatcha.com/developers
http://wiki.gatcha.com

52. GATCHA!
RUIT ING!
REC

53. Web Developer (PHP)
Designer
Product Manager
Q&A Manager / Marketeer

54. GATCHA!
pieter@gatcha.com
http://netlog.com/pieter
http://twitter.com/pieterds
http://be.linkedin.com/in/deschepperpieter