This document discusses various topics related to the cocos2d game engine and game development. It mentions cocos2d features like CCMoveBy and CCMoveTo actions. It provides code samples for loading animation frames from a texture atlas and running animations using CCRepeatForever. It also discusses using SimpleAudioEngine for sound, and transforming sprites by modifying the CCLayer or CCSprite transform properties.

1. cocos2d
ElectroMaster cocos2d Tips

2. @ajinotataki
xionchannel software
• http://xionchannel.no-ip.org/~xionchannel/
index_j.html
• CG
•

3. • Cubing Timer
• Solid Dots
• ElectroMaster

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•

6. [self schedule:@selector( :)];
CCScene CCNode

8. [sprite numberOfRunningActions]
0

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11. cocos2d
• CCMoveBy, CCMoveTo
•

12. cocos2d
•
•
• NSArray
copy

14. //
+ (NSArray*) loadAnimPatternWithOffset:(CGPoint)offset {
CCTexture2D *texture =
[[CCTextureCache sharedTextureCache] addImage:@"all_texture.png"];
NSString *act[] = { @"front",@"back",@"left",@"right" };
NSMutableArray *tmp_anim_seq = [NSMutableArray array];
for(int x = 0; x < 4; x++) {
NSMutableArray *animFrames = [NSMutableArray array];
for(int y = 0; y < 2; y++) {
CCSpriteFrame *frame =
[CCSpriteFrame frameWithTexture:texture
rect:CGRectMake(
32*x+offset.x+0.1,
32*y+offset.y+0.1,
31.8,
31.8)
offset:CGPointZero];
[animFrames addObject:frame];
}
CCAnimation *animation =
[CCAnimation animationWithName:act[x] delay:0.2f frames:animFrames];
CCAnimate *animate =
[CCAnimate actionWithAnimation:animation restoreOriginalFrame:NO];
[tmp_anim_seq addObject:animate];
}
return tmp_anim_seq;
}

16. CCSequence *seq =
[[allSeq objectAtIndex:num] copy];
[sprite stopAllActions];
[sprite runAction:
CCRepeatForever actionWithAction:seq]];

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19. cocos2d
• SimpleAudioEngine SE
• (
) ( )
• CCLayer (CCSprite )
transform

20. SimpleAudioEngine SE
• SimpleAudioEngine cocosDension
$250,000USD
$500
( )
• OpenAL (
iPhoneSDK )

22. ( )
• ccConfig.h
#define CC_COCOSNODE_RENDER_SUBPIXEL 0
#define CC_SPRITESHEET_RENDER_SUBPIXEL 0
• (
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23. CCLayer
transform
• CCSpriteSheet

24. CCSpriteSheet
•
( )
•
• CCSpriteSheet (
)

25. iPad
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