iPhone game programming with Cocos2D

Norwegian presentation at Bouvet on iPhone game programming using Cocos2D and physics engines.

Transcript

1. iPhone spillutvikling med Christian Stigen Larsen, CODE
13. • iOS
14. • iOS • Cocos2D + fysikkmotorer
15. • iOS • Cocos2D + fysikkmotorer • Spill i Objective-C
16. iOS
17. iOS Devices
18. iOS Devices
19. iOS Devices
20. iOS Devices
21. iOS SDK
22. iOS SDK Core OS
23. iOS SDK Core OS Core Services
24. iOS SDK Core OS Core Services Media Layer
25. iOS SDK Core OS Core Services Media Layer Cocoa Touch
26. iOS SDK Cocos2D Core OS Core Services Media Layer Cocoa Touch
27. Cocos2D konsepter
28. Cocos2D konsepter • Sprites + actions
29. Cocos2D konsepter • Sprites + actions • Layers
30. Cocos2D konsepter • Sprites + actions • Layers • Scenes
31. Cocos2D konsepter • Sprites + actions • Layers • Scenes • Director
32. Cocos2D konsepter • Sprites + actions • Layers • Scenes • Director • Fysikkmotor
33. Sprites
34. Sprites
35. Sprites
36. Sprites
37. Sprites
38. Sprites
39. Sprites
40. Sprites
41. Sprites
42. Sprites
43. Sprites
44. Layers
45. Layers
46. Layers
47. Layers
48. Layers
49. Layers
50. Layers
51. Layers
52. Layers
53. Layers
54. Layers
55. Layers
56. Layers
57. Layers
58. Layers
59. Scenes
60. Scenes Hovedmeny
61. Scenes Hovedmeny Level 1 ... n
62. Scenes Hovedmeny Level 1 ... n Game Over
63. Director Hovedmeny Level 1 ... n Game Over
64. Director Hovedmeny Level 1 ... n Game Over
65. Director Hovedmeny Level 1 ... n Game Over
66. Director Hovedmeny Level 1 ... n Game Over
67. Fysikkmotor
68. Fysikkmotor • Chipmunk
69. Fysikkmotor • Chipmunk • Box2D
72. Objective-C
73. Objective-C Krasjkurs
74. Objective-C Krasjkurs
75. Objective-C Krasjkurs • C + Smalltalk
76. Objective-C Krasjkurs • C + Smalltalk • Reference counting
77. Objective-C Krasjkurs • C + Smalltalk • Reference counting • Xcode og llvm
78. Metodekall Krasjkurs
79. Metodekall Krasjkurs [objekt metodeNavn];
80. Metodekall Krasjkurs [objekt metodeNavn];
81. Metodekall Krasjkurs [objekt metodeNavn]; [objekt metodeNavn:param1];
82. Metodekall Krasjkurs [objekt metodeNavn]; [objekt metodeNavn:param1]; [sprite showInLayer:layer1 x:100 y:200 scaleBy:2.0f];
83. Instansiering Krasjkurs
84. Instansiering Krasjkurs Bird *b = [[Bird alloc] initWithSpeed:speed andSprite:sprite];
85. Instansiering Krasjkurs Bird *b = [[Bird alloc] initWithSpeed:speed andSprite:sprite];
86. Instansiering Krasjkurs Bird *b = [[Bird alloc] init];WithSpeed:speed andSprite:sprite];
87. Instansiering Krasjkurs Bird *b = [[Bird alloc] initWithSpeed:speed andSprite:sprite];
88. Instansiering Krasjkurs Bird *b = [[Bird alloc] initWithSpeed:speed andSprite:sprite]; [b release];
89. Klasser Krasjkurs
90. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
91. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
92. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
93. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
94. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
95. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
96. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
97. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
98. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
99. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; -(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
100. Klasser Krasjkurs @interface Bird : NSObject { @public CCSprite *sprite; float speed; } -(CCSprite*) getSprite; +(float) getSpeed; -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s; @end
101. Implementasjon Krasjkurs
102. Implementasjon Krasjkurs @implementation Bird -(CCSprite*) getSprite { return sprite; } @end
103. Implementasjon Krasjkurs @implementation Bird -(CCSprite*) getSprite { return sprite; } @end
104. Implementasjon Krasjkurs @implementation Bird -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s { self = [super init]; if ( self ) { speed = v; sprite = s; } return self; } @end
105. Implementasjon Krasjkurs @implementation Bird -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s { self = [super init]; if ( self ) { speed = v; sprite = s; } return self; } @end
106. Implementasjon Krasjkurs @implementation Bird -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s { self = [super init]; if ( self ) { speed = v; sprite = s; } return self; } @end
107. Implementasjon Krasjkurs @implementation Bird -(Bird*) initWithSpeed:(float)v andSprite:(CCSprite*)s { self = [super init]; if ( self ) { speed = v; sprite = s; } return self; } @end
108. BumblePop
109. BumblePop
110. Startup av app
111. Startup av app iOS
112. Startup av app - (void) applicationDidFinishLaunching:(UIApplication*)app iOS
113. Startup av app - (void) applicationDidFinishLaunching:(UIApplication*)app
114. 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
115. 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
116. Startup av layer
117. 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]; // ... }
118. 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]; // ... }
119. 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]; // ... }
120. 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]; // ... }
121. Startup av layer CCLabelTTF *score; score = [CCLabelTTF labelWithString:@"Score: ?" fontName:@"Marker Felt" fontSize:22];
122. Neste bilde -(void) draw { // Kun TEGNING, ingen oppdatering av state } - (void) nextFrame:(ccTime)dt { // Kun oppdatering av STATE }
123. Bevegelse
124. Bevegelse cloud.position = ccp( cloud.position.x - 10*dt, cloud.position.y);
125. Bevegelse cloud.position = ccp( cloud.position.x - 10*dt, cloud.position.y); -10 px/sec
126. Touch
127. Touch - (void)ccTouchMoved:(UITouch *)touch withEvent:(UIEvent *)event { CGPoint location = [self convertTouchToNodeSpace: touch]; beeDestination = location; }
128. Målbevegelse
129. 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); }
130. 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); }
131. Målbevegelse [self moveTowards:bee :&beeDestination :2*dt]; - (void) moveTowards: (CCSprite*)from: (CGPoint*)to: (float)amount { [from runAction: [CCMoveTo actionWithDuration:1.0f position:*to]]; }
132. Fugler
133. Fugler // Move ALL birds with their given speed for ( Bird *p in birds ) [self moveTowards:p->sprite :&beeDestination :p->speed*dt];
134. Kollisjon
135. Kollisjon -(void) beeHitBy:(CCSprite*)bird { CGRect beeBox = [bee boundingBox]; CGRect birdBox = [bird boundingBox]; if ( CGRectIntersectsRect(beeBox, birdBox) ) [self killBee]; }
138. Oppsummering • iOS • Cocos2D + fysikkmotorer • Spill i Objective-C
139. Takk!