mkhl

// Source: http://blog.mbcharbonneau.com/post/56581688/better-logging-in-objective-c
#define DebugLog(format, ...) NSLog(@"<%p %@:(%d)> %@", self, [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __LINE__, [NSString stringWithFormat:(format), ##__VA_ARGS__])

mkhl

// GCC Attribute for autoscoped Obj-C objects
// Source: http://www.cocoabuilder.com/archive/message/cocoa/2009/3/13/232287

#define autoscoped __attribute__((cleanup(releaseObject)))

static inline void releaseObject(id *object)
{
    [*object release];
}

andymatuschak

//
//  NSObject+BlockObservation.h
//  Version 1.0
//
//  Andy Matuschak
//  andy@andymatuschak.org
//  Public domain because I love you. Let me know how you use it.
//

#import <Cocoa/Cocoa.h>

solidline

- (BOOL)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    UITouch * touch = [touches anyObject];

    CGPoint location = [[Director sharedDirector] convertCoordinate: [touch locationInView:touch.view]];
    CGRect myRect = CGRectMake(sprite.position.x, sprite.position.y, sprite.contentSize.width, sprite.contentSize.height);


    if(CGRectContainsPoint(myRect, location)) {
        // particularSprite touched
        return kEventHandled;

ryanwilliams

glEnable(GL_SCISSOR_TEST);

// Some region to clip to
CGRect rect = CGRect(100, 100, 200, 200);

CGRect frame = [[[CCDirector sharedDirector] openGLView] frame];

// Adjust for position
CGPoint worldPos = [self convertToWorldSpaceAR:position_];

ConnorD

- (CGImageRef)CGImageRotatedByAngle:(CGImageRef)imgRef angle:(CGFloat)angle
{
	CGFloat angleInRadians = angle * (M_PI / 180);
	CGFloat width = CGImageGetWidth(imgRef);
	CGFloat height = CGImageGetHeight(imgRef);
	
	CGRect imgRect = CGRectMake(0, 0, width, height);
	CGAffineTransform transform = CGAffineTransformMakeRotation(angleInRadians);
	CGRect rotatedRect = CGRectApplyAffineTransform(imgRect, transform);
	

kernel1983

-(id) init
{
    if( (self=[super init] )) {
        CGSize size = [[CCDirector sharedDirector] winSize];

        CCTexture2D *bg = [[CCTexture2D alloc] initWithImage:[UIImage imageNamed:@"Default.png"]];
        CCSprite *staticBackground0 = [CCSprite spriteWithTexture:bg];
        staticBackground0.position = ccp(-size.width/2,size.height/2);
        CCSprite *staticBackground1 = [CCSprite spriteWithTexture:bg];
        staticBackground1.position = ccp(size.width/2,size.height/2);

ecpplus

CCSpriteSheet *animationSheet = [CCSpriteSheet spriteSheetWithFile:@"animation_sheet.png"];
[self addChild:animationSheet];

CCSprite *animationSprite = [CCSprite spriteWithTexture:animationSheet.texture 
                                                   rect:CGRectMake(0, 0, 256, 290)];
animationSprite.position = ccp(self.contentSize.width / 2, self.contentSize.height / 2);
[animationSheet addChild:animationSprite];

CCAnimation *animation = [CCAnimation animationWithName:@"an_animation" delay:0.04f];

rummelonp

@interface NSObject(Swizzle)

+ (void)swizzleMethod:(SEL)orig_sel withMethod:(SEL)alt_sel;

@end

rummelonp

// Make button block.
UIBarButtonItem* (^buttonWithTitle)(NSString*, SEL) = ^(NSString* title, SEL action)
{
  UIBarButtonItem* button = [UIBarButtonItem alloc];
  [button initWithTitle:title
                  style:UIBarButtonItemStyleBordered
                 target:self
                 action:action];
  [button setWidth:65.0f];
  [button autorelease];