StackOverflow2013

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11979070
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2012-08-16T00:18:21.333
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2012-08-16T00:18:21.333
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Create a <code>score</code> property in HelloWorldLayer.h after the interface declaration, like <pre><code>@property (nonatomic, retain) int score; </code></pre> Then synthesize it in your .m file just after the <code>@implementation HelloWorldLayer</code> line. Create methods for setting and getting scores: <pre><code>-(int)getScore { return self.score; } -(void)setScore:(int)newScore { self.score = newScore; } </code></pre> In the <code>init</code> method, set the value of the property to zero, <pre><code>if( (self=[super init] )) { //... other stuff [self setScore:0] } </code></pre> You can update the score with the setScore method, but I suggest having another method for this that calls setScore so that you can use it at different places with a single line call, and make any changes like assigning more score in certain situations, like two collisions within half-a-second etc.. <pre><code>-(void)updateScore:(int)increment { int currentScore = [self getScore]; [self setScore:(currentScore + increment)]; } </code></pre> Similarly, for label, <pre><code>@property (nonatomic, retain) CCLabelTTF scoreLabel; // in header </code></pre> and <pre><code>@synthesize scoreLabel; // in .m file </code></pre> Again, in your init method, initialize the <a href="http://www.cocos2d-iphone.org/api-ref/0.99.5/interface_c_c_label_t_t_f.html" rel="nofollow">label</a> with position, layer and initial text etc. Then you can update that text in the updateScore method. <pre><code>-(void)updateScore:(int)increment { int currentScore = [self getScore]; [self setScore:(currentScore + increment)]; [scoreLabel setString:[NSString stringWithFormat:@"Score: %i", [self getScore]]]; } </code></pre> Make sure you read through the <a href="https://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/ObjectiveC/Introduction/introObjectiveC.html#//apple_ref/doc/uid/TP30001163-CH1-SW2" rel="nofollow">tutorial</a> before going ahead in order to avoid confusion regarding common tasks.
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1. POCocos2D scoring game
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