模态对话框的实现模板

类从CCLayerColor继承

@interface LQModalLayer : CCLayerColor {    }

@interface LQModalLayer () {    // 模态对话框菜单    CCMenu *m_pMenu;    // 记录菜单点击    bool m_bTouchedMenu;}

// 初始化数据-(id) init{    // always call "super" init    // Apple recommends to re-assign "self" with the "super's" return value    if( (self=[super initWithColor:ccc4(0, 0, 0, 125)]) ) {        // ask director for the window size        //CGSize size = [[CCDirector sharedDirector] winSize];                CCMenuItemSprite *testItem1 =        [CCMenuItemSprite itemWithNormalSprite: [CCSprite spriteWithSpriteFrameName: @"btn3.png"]                                selectedSprite: [CCSprite spriteWithSpriteFrameName: @"btn3sel.png"]                                        target: self                                      selector: @selector(itemPressed:)];        testItem1.position = ccp(320,200);        m_pMenu = [CCMenu menuWithItems: testItem1,nil];        m_pMenu.position = CGPointZero;        m_pMenu.tag = 10;        [self addChild:m_pMenu];                [self setIsTouchEnabled:YES];    }    return self;}-(void) onEnter{    [[[CCDirector sharedDirector] touchDispatcher] addTargetedDelegate:self priority:kCCMenuHandlerPriority-1 swallowsTouches:YES];    [super onEnter];}- (void)onExit{    [[[CCDirector sharedDirector] touchDispatcher] removeDelegate:self];    [super onExit];}-(BOOL) ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event{//    CGPoint point = [touch locationInView: [touch view]];//    point = [[CCDirector sharedDirector] convertToGL: point];    m_bTouchedMenu = [m_pMenu ccTouchBegan:touch withEvent:event];    return YES;}-(void) ccTouchMoved:(UITouch *)touch withEvent:(UIEvent *)event{    if (m_bTouchedMenu) {        [m_pMenu ccTouchMoved:touch withEvent:event];    }    return;}-(void) ccTouchEnded:(UITouch *)touch withEvent:(UIEvent *)event{    if (m_bTouchedMenu) {        [m_pMenu ccTouchEnded:touch withEvent:event];        m_bTouchedMenu = false;    }}-(void) ccTouchCancelled:(UITouch *)touch withEvent:(UIEvent *)event{    if (m_bTouchedMenu) {        [m_pMenu ccTouchCancelled:touch withEvent:event];        m_bTouchedMenu = false;    }}- (void) itemPressed: (CCNode *) item{    NSLog(@"itemPressed...%@",item);        [self setVisible:false];    [self.parent removeChild:self cleanup:true];}// 释放对象资源- (void) dealloc{    // in case you have something to dealloc, do it in this method    // in this particular example nothing needs to be released.    // cocos2d will automatically release all the children (Label)        // don't forget to call "super dealloc"    [super dealloc];}