CGRect and touch

Question

In this cocos2d app the nslog is not firing when I press the ccsprite. Could someone help me?

-(BOOL)ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event{
NSMutableArray *targetsToDelete = [[NSMutableArray alloc] init];
for (CCSprite *target in _targets) {
    CGRect targetRect = CGRectMake(target.position.x - (target.contentSize.width/2), 
                                   target.position.y - (target.contentSize.height/2), 
                                   27, 
                                   40);


CGPoint touchLocation = [self convertTouchToNodeSpace:touch];
if (CGRectContainsPoint(targetRect, touchLocation)) {            
    NSLog(@"Moo cheese!");
    }
}
return YES;   
}

Answer 1

In layer init method add this

self.isTouchEnabled = true;

Use this code for touch detection

- (void)ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    UITouch *myTouch = [touches anyObject];
    CGPoint location = [myTouch locationInView:[myTouch view]];
    location = [[CCDirector sharedDirector] convertToGL:location];

    CGRect rect = [self getSpriteRect:yourSprite];

    if (CGRectContainsPoint(rect, location))
    {
        NSLog(@"Sprite touched\n");
    }

}

To get sprite rect:

-(CGRect)getSpriteRect:(CCNode *)inSprite
{
    CGRect sprRect = CGRectMake(
                                inSprite.position.x - inSprite.contentSize.width*inSprite.anchorPoint.x,
                                inSprite.position.y - inSprite.contentSize.height*inSprite.anchorPoint.y,
                                inSprite.contentSize.width, 
                                inSprite.contentSize.height
                                ); 

    return sprRect;
}