sdabet

CCSprite *texture = [CCSprite spriteWithFile:@"texture.png"];
texture.blendFunc = (ccBlendFunc) { GL_ZERO, GL_ONE_MINUS_SRC_ALPHA };
[scene addChild: texture];

sdabet

CCSprite *sprite = [CCSprite spriteWithSpriteFrameName:@"mysprite.png"];

sprite.blendFunc = (ccBlendFunc){GL_ONE, GL_ONE_MINUS_SRC_ALPHA};
// or
[sprite setBlendFunc:(ccBlendFunc){GL_ONE, GL_ONE_MINUS_SRC_ALPHA}];

sdabet

CCGLView *glView = [CCGLView viewWithFrame:[window_ bounds]
	pixelFormat:kEAGLColorFormatRGBA8 // not kEAGLColorFormatRGB565 !
	depthFormat:0	//GL_DEPTH_COMPONENT24_OES
	preserveBackbuffer:NO
	sharegroup:nil
	multiSampling:NO
	numberOfSamples:0];

sdabet

CCMenuItemImage *menuItem = [CCMenuItemImage ...];

// Make touch area centered and 4 times smaller than bounding box 
menuItem.touchArea = CGRectMake(
                                            menuItem.contentSize.width/4,
                                            menuItem.contentSize.height/4,
                                            menuItem.contentSize.width/2,
                                            menuItem.contentSize.height/2);

sdabet

@synthesize touchArea=_touchArea;

// ...

// Initialize the touchArea to the outside box
-(void) setContentSize:(CGSize)contentSize {
    [super setContentSize:contentSize];
    _touchArea = CGRectMake(0, 0, contentSize_.width, contentSize_.height);
}

sdabet

/** the touch area (relative to the current position) */
@property (nonatomic,assign) CGRect touchArea;

// and remove the 'rect' method

sdabet

-(CCMenuItem *) itemForTouch: (UITouch *) touch
{
  CGPoint touchLocation = [touch locationInView: [touch view]];
	touchLocation = [[CCDirector sharedDirector] convertToGL: touchLocation];

	CCMenuItem* item;
	CCARRAY_FOREACH(children_, item){
		// ignore invisible and disabled items: issue #779, #866
		if ( [item visible] && [item isEnabled] ) {

sdabet

-(CCMenuItem *) itemForTouch: (UITouch *) touch
{
  CGPoint touchLocation = [touch locationInView: [touch view]];
	touchLocation = [[CCDirector sharedDirector] convertToGL: touchLocation];

	CCMenuItem* item;
	CCARRAY_FOREACH(children_, item){
		// ignore invisible and disabled items: issue #779, #866
		if ( [item visible] && [item isEnabled] ) {

sdabet

CCNode *background = ...; // your complex hierarchy of nodes

// Create the NodeRenderer
NodeRenderer *renderer = [NodeRenderer renderTextureWithNode:background width:winSize.width height:winSize.height];
        
// Add it to your scene
renderer.position = ccp(winSize.width/2, winSize.height/2);
[scene addChild:renderer];

// Fading out

sdabet

@interface NodeRenderer : CCRenderTexture

+(id)renderTextureWithNode:(CCNode*)node width:(int)w height:(int)h;

-(id) initWithNode:(CCNode*)n width:(int)w height:(int)h pixelFormat:(CCTexture2DPixelFormat)format depthStencilFormat:(GLuint)depthStencilFormat;

@end