Question

I want to make this class dynamically perform functions on itself by passing different names to it. Is that possible ? Or rather: How is it possible ?

-(id)initWithMethod:(NSString*)method{

    if ((self = [super init])){


        [self method];

    }
    return self;
}

-(void) lowHealth {
    CCSprite *blackScreen = [CCSprite spriteWithFile:@"blackscreen.png"];
    blackScreen.anchorPoint = ccp(0,0);
    [self addChild:blackScreen];

    id fadeIn = [CCFadeIn actionWithDuration:1];
    id fadeOut = [CCFadeOut actionWithDuration:1];
    id fadeInAndOut = [CCRepeatForever actionWithAction:[CCSequence actions:fadeIn, fadeOut, nil]];

    [blackScreen runAction:fadeInAndOut];
}

Answer 1

You should use performSelector and get the selector from your NSString using NSSelectorFromString:

[self performSelector:NSSelectorFromString(method)];

instead of [self method];