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iPhone spillutvikling med Christian Stigen Larsen, CODE

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• iOS

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• iOS • Cocos2D + fysikkmotorer

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• iOS • Cocos2D + fysikkmotorer • Spill i Objective-C

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iOS

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iOS Devices

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iOS Devices

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iOS Devices

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iOS Devices

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iOS SDK

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iOS SDK Core OS

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iOS SDK Core OS Core Services

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iOS SDK Core OS Core Services Media Layer

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iOS SDK Core OS Core Services Media Layer Cocoa Touch

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iOS SDK Cocos2D Core OS Core Services Media Layer Cocoa Touch

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Cocos2D konsepter

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Cocos2D konsepter • Sprites + actions

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Cocos2D konsepter • Sprites + actions • Layers

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Cocos2D konsepter • Sprites + actions • Layers • Scenes

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Cocos2D konsepter • Sprites + actions • Layers • Scenes • Director

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Cocos2D konsepter • Sprites + actions • Layers • Scenes • Director • Fysikkmotor

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Sprites

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Sprites

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Sprites

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Sprites

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Sprites

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Sprites

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Sprites

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Sprites

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Sprites

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Sprites

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Sprites

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Layers

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Layers

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Layers

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Layers

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Layers

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Layers

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Layers

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Layers

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Layers

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Layers

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Layers

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Layers

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Layers

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Layers

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Layers

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Scenes

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Scenes Hovedmeny

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Scenes Hovedmeny Level 1 ... n

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Scenes Hovedmeny Level 1 ... n Game Over

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Director Hovedmeny Level 1 ... n Game Over

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Director Hovedmeny Level 1 ... n Game Over

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Director Hovedmeny Level 1 ... n Game Over

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Director Hovedmeny Level 1 ... n Game Over

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Fysikkmotor

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Fysikkmotor • Chipmunk

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Fysikkmotor • Chipmunk • Box2D

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Objective-C

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Objective-C Krasjkurs

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Objective-C Krasjkurs

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Objective-C Krasjkurs • C + Smalltalk

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Objective-C Krasjkurs • C + Smalltalk • Reference counting

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Objective-C Krasjkurs • C + Smalltalk • Reference counting • Xcode og llvm

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Metodekall Krasjkurs

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Metodekall Krasjkurs [objekt metodeNavn];

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Metodekall Krasjkurs [objekt metodeNavn];

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Metodekall Krasjkurs [objekt metodeNavn]; [objekt metodeNavn:param1];

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Metodekall Krasjkurs [objekt metodeNavn]; [objekt metodeNavn:param1]; [sprite showInLayer:layer1 x:100 y:200 scaleBy:2.0f];

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Instansiering Krasjkurs

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Instansiering Krasjkurs Bird *b = [[Bird alloc] initWithSpeed:speed andSprite:sprite];

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Instansiering Krasjkurs Bird *b = [[Bird alloc] initWithSpeed:speed andSprite:sprite];

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Instansiering Krasjkurs Bird *b = [[Bird alloc] init];WithSpeed:speed andSprite:sprite];

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Instansiering Krasjkurs Bird *b = [[Bird alloc] initWithSpeed:speed andSprite:sprite];

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Instansiering Krasjkurs Bird *b = [[Bird alloc] initWithSpeed:speed andSprite:sprite]; [b release];

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Klasser Krasjkurs

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; +(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end

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Implementasjon Krasjkurs

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Implementasjon Krasjkurs @implementation Bird -(CCSprite*) getSprite { return sprite; } @end

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Implementasjon Krasjkurs @implementation Bird -(CCSprite*) getSprite { return sprite; } @end

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Implementasjon Krasjkurs @implementation Bird -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s { self = [super init]; if ( self ) { speed = v; sprite = s; } return self; } @end

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Implementasjon Krasjkurs @implementation Bird -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s { self = [super init]; if ( self ) { speed = v; sprite = s; } return self; } @end

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Implementasjon Krasjkurs @implementation Bird -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s { self = [super init]; if ( self ) { speed = v; sprite = s; } return self; } @end

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Implementasjon Krasjkurs @implementation Bird -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s { self = [super init]; if ( self ) { speed = v; sprite = s; } return self; } @end

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BumblePop

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BumblePop

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Startup av app

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Startup av app iOS

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Startup av app - (void) applicationDidFinishLaunching:(UIApplication*)app iOS

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Startup av app - (void) applicationDidFinishLaunching:(UIApplication*)app

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Startup av app - (void) applicationDidFinishLaunching:(UIApplication*)app { window = [[UIWindow alloc] initWithFrame:/* ... */]; // ... CCDirector *director = [CCDirector sharedDirector]; [director setAnimationInterval:1.0/60]; [director setDisplayFPS:YES]; // ... [[CCDirector sharedDirector] runWithScene:[HelloWorldLayer scene]]; } - (void) applicationDidFinishLaunching:(UIApplication*)app

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Startup av app - (void) applicationDidFinishLaunching:(UIApplication*)app { window = [[UIWindow alloc] initWithFrame:/* ... */]; // ... CCDirector *director = [CCDirector sharedDirector]; [director setAnimationInterval:1.0/60]; [director setDisplayFPS:YES]; // ... [[CCDirector sharedDirector] runWithScene:[HelloWorldLayer scene]]; } - (void) applicationDidFinishLaunching:(UIApplication*)app

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Startup av layer

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Startup av layer -(id) init { if ( (self=[super init]) ) { game = [[Game alloc] init]; [self schedule:@selector(nextFrame:)]; CCSprite *bee = [CCSprite spriteWithFile: @"BumbleBee40.png"]; [self addChild:bee]; // ... }

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Startup av layer -(id) init { if ( (self=[super init]) ) { game = [[Game alloc] init]; [self schedule:@selector(nextFrame:)]; CCSprite *bee = [CCSprite spriteWithFile: @"BumbleBee40.png"]; [self addChild:bee]; // ... }

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Startup av layer -(id) init { if ( (self=[super init]) ) { game = [[Game alloc] init]; [self schedule:@selector(nextFrame:)]; CCSprite *bee = [CCSprite spriteWithFile: @"BumbleBee40.png"]; [self addChild:bee]; // ... }

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Startup av layer -(id) init { if ( (self=[super init]) ) { game = [[Game alloc] init]; [self schedule:@selector(nextFrame:)]; CCSprite *bee = [CCSprite spriteWithFile: @"BumbleBee40.png"]; [self addChild:bee]; // ... }

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Startup av layer CCLabelTTF *score; score = [CCLabelTTF labelWithString:@"Score: ?" fontName:@"Marker Felt" fontSize:22];

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Neste bilde -(void) draw { // Kun TEGNING, ingen oppdatering av state } - (void) nextFrame:(ccTime)dt { // Kun oppdatering av STATE }

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Bevegelse

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Bevegelse cloud.position = ccp( cloud.position.x - 10*dt, cloud.position.y);

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Bevegelse cloud.position = ccp( cloud.position.x - 10*dt, cloud.position.y); -10 px/sec

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Touch

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Touch - (void)ccTouchMoved:(UITouch *)touch withEvent:(UIEvent *)event { CGPoint location = [self convertTouchToNodeSpace: touch]; beeDestination = location; }

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Målbevegelse

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Målbevegelse [self moveTowards:bee :&beeDestination :2*dt]; - (void) moveTowards: (CCSprite*)from: (CGPoint*)to: (float)amount { float dx = to->x - from.position.x; float dy = to->y - from.position.y; dx *= amount; dy *= amount; from.position = ccp(from.position.x + dx, from.position.y + dy); }

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Målbevegelse [self moveTowards:bee :&beeDestination :2*dt]; - (void) moveTowards: (CCSprite*)from: (CGPoint*)to: (float)amount { float dx = to->x - from.position.x; float dy = to->y - from.position.y; dx *= amount; dy *= amount; from.position = ccp(from.position.x + dx, from.position.y + dy); }

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Målbevegelse [self moveTowards:bee :&beeDestination :2*dt]; - (void) moveTowards: (CCSprite*)from: (CGPoint*)to: (float)amount { [from runAction: [CCMoveTo actionWithDuration:1.0f position:*to]]; }

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Fugler

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Fugler // Move ALL birds with their given speed for ( Bird *p in birds ) [self moveTowards:p->sprite :&beeDestination :p->speed*dt];

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Kollisjon

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Kollisjon -(void) beeHitBy:(CCSprite*)bird { CGRect beeBox = [bee boundingBox]; CGRect birdBox = [bird boundingBox]; if ( CGRectIntersectsRect(beeBox, birdBox) ) [self killBee]; }

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Oppsummering • iOS • Cocos2D + fysikkmotorer • Spill i Objective-C

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Takk!