Cocos2d game development for iPhone
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Cocos2d is a framework for building 2D games and applications for iPhone and iPad. It uses Objective-C and supports features like scenes, layers, sprites, actions, particles, tilemaps, touch input, and audio. Cocos2d makes it easy to create 2D games with functionalities like parallax scrolling, actions, animation, and integrated tools for creating game assets.
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Cocos2d game development for iPhone
- 2. • cocos2d iPhone&iPad • cocos2d – – – RPG • • Game Center • • •
- 3. cocos2d for iPhone • 2D • Objective-C • • – MIT • OK OK
- 4. cocos2d • •
- 5. • – – OpenGL • – – – • – – – • –
- 6. • – –
- 7. // CCScene* scene = [CCScene node]; // CCLayer* background = [MyBGLayer node]; [scene addChild: background]; CCLayer* mainlayer = [MyMainLayer node]; [scene addChild: mainlayer]; // // (0,0) CCSprite* playersprite = [CCSprite spriteWithFile:@”Player.png”]; [mainlayer addChild: playersprite];
- 8. • Parallax • • →
- 9. // CCParallaxNode* paraNode = [CCParallaxNode node]; [paraNode addChild:spriteSky z:1 parallaxRatio:CGPointMake(0.5f, 0) positionOffset:topOffset]; [paraNode addChild:spriteMountain z:2 parallaxRatio:CGPointMake(1, 0) positionOffset:midOffset]; [paraNode addChild:spriteTree z:4 parallaxRatio:CGPointMake(3, 0) positionOffset:downOffset];
- 10. • • • • •
- 11. // (100,200) 3 CCMoveTo* move = [CCMoveTo actionWithDuration:3 position:CGPointMake(100,200)]; [myNode runAction:move]; // CCMoveTo* move = [CCMoveTo actionWithDuration:3 position:CGPointMake(100,200)]; CCEaseInOut* ease = [CCEaseInOut actionWithAction:move rate:4]; [myNode runAction:ease] // CCRotateBy* rotateBy = [CCRotateBy actionWithDuration:2 angle:360]; // CCRepeatForever* repeat = [CCRepeatForever actionWithAction:rotateBy]; [myNode runAction:repeat]; // CCSequence* sequence = [CCSequence actions: at1, at2, at3, nil]; [myNode runAction:sequence];
- 12. • • http://www.youtube.com/watch ?v=zMCKQl5uSYw • • •
- 14. // plist CCParticleSystem* particle = [CCParticleSystemQuad particleWithFile:@”particle1.plist”]; // CGSize winSize = [[CCDirector sharedDirector] winSize]; particle.position = CGPointMake( winSize.width / 2, winSize.height / 2 ); [myLayer addChild:particle z:1 tag:1];
- 15. • 1 • •
- 16. Zwoptex • plist •
- 17. // plist CCSpriteFrameCache* frameCache = [CCSpriteFrameCache sharedSpriteFrameCache]; [frameCache addSpriteFramesWithFile: @”texture-atlas1.plist”]; // CCSpriteFrame* sprite = [frameCache spriteFrameByName:@”sprite1.png”];
- 18. • • – •
- 19. Tiled Map Editor
- 20. // CCTMXTiledMap* tileMap = [CCTMXTiledMap tiledMapWithFile:@”tilemap.tmx”]; [myLayer addChild:tileMap z:-1 tag:1]
- 21. • box2d chipmunk • • • box2d C++ chipmunk C
- 22. • • • // [[CCDirector sharedDirector] pause]; // [[CCDirector sharedDirector] resume];
- 23. • • cocos2d –
- 24. cocos2d 1. main appDelegate 2. appDelegate 1. EAGLView 2. Director [Direcotor sharedDirector]; EAGLView director 3. runWithScene [director runWithScene: firstScene]; ※ scene
- 25. • Layer • Layer CCTouchDispatcher • UIKit [[CCDirector sharedDirector] convertToGL:touchLocation];
- 26. // Layer self.isTouchEnabled = YES; self.isAccelerometerEnabled = YES; // Layer -(void) ccTouchesBegan: (NSSet *)touches withEvent:(UIEvent *)event -(void) accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration
- 27. • update –1 60 1 update 60 • update • n
- 28. // update [self scheduleUpdate]; -(void) update:(ccTime)delta { // } // interval update [self schedule:@selector(myUpdate1:) interval :0.1f]; -(void) myUpdate1:(ccTime)delta { // 0.1 }
- 29. #import “SimpleAudioEngine.h” [[SimpleAudioEngine sharedEngine] playBackgroundMusic:@”bgm.mp3” loop:YES] [[SimpleAudioEngine sharedEngine] playEffect:@”se01.caf”]; ※ mp3
- 30. cocos2d iPhone&iPad • – – – • • amazon