小黑米的生活

[self setScreenSaverEnabled:YES];
#pragma mark Reset Game
// The game is played only using the accelerometer. The screen may go dark while playing because the player
// won't touch the screen. This method allows the screensaver to be disabled during gameplay.
-(void) setScreenSaverEnabled:(bool)enabled
{
    UIApplication *thisApp = [UIApplication sharedApplication];
    thisApp.idleTimerDisabled = !enabled;
}

self.isAccelerometerEnabled = YES;

self.isTouchEnabled = NO;

// have everything stop
CCNode* node;

CCARRAY_FOREACH([self children], node)
{
    [node stopAllActions];
}

/** @def CCARRAY_FOREACH
 A convience macro to iterate over a CCArray using. It is faster than the "fast enumeration" interface.
 @since v0.99.4
 */

#define CCARRAY_FOREACH(__array__, __object__)                                              \
if (__array__ && __array__->data->num > 0)                                                  \
for(id *arr = __array__->data->arr, *end = __array__->data->arr + __array__->data->num-1;   \
    arr <= end && ((__object__ = *arr) != nil || true);                                     \
    arr++)

// 2)  转动、颤动
CCRotateTo* rotate1 = [CCRotateTo actionWithDuration:2 angle:3];
CCEaseBounceInOut* bounce1 = [CCEaseBounceInOut actionWithAction:rotate1];
CCRotateTo* rotate2 = [CCRotateTo actionWithDuration:2 angle:-3];
CCEaseBounceInOut* bounce2 = [CCEaseBounceInOut actionWithAction:rotate2];
CCSequence* rotateSequence = [CCSequence actions:bounce1, bounce2, nil];
CCRepeatForever* repeatBounce = [CCRepeatForever actionWithAction:rotateSequence];
[gameOver runAction:repeatBounce];
   
// 3) 跳动
CCJumpBy* jump = [CCJumpBy actionWithDuration:3 position:CGPointZero height:screenSize.height / 3 jumps:1];
CCRepeatForever* repeatJump = [CCRepeatForever actionWithAction:jump];
[gameOver runAction:repeatJump];

// 闪烁
CCBlink* blink = [CCBlink actionWithDuration:10 blinks:20];
CCRepeatForever* repeatBlink = [CCRepeatForever actionWithAction:blink];
[touch runAction:repeatBlink];

-(UserInterfaceLayer *) uiLayer
{
    CCNode *layer = [self getChildByTag:LayerTagUILayer]; //这里使用CCNode,因为通过getChildByTag回来的都是CCNode的子类,当然也包括了nil对象
    NSAssert([layer isKindOfClass:[UserInterfaceLayer class]],@"%@: not a UserInterfaceLayer!",NSStringFromSelector(_cmd));//通过断言来判断对象是否合法...
    return (UserInterfaceLayer *) layer;
}

+(CGPoint) locationFromTouch:(UITouch *)touch
{
    CGPoint touchLocation = [touch locationInView:[touch view]];
    return [[CCDirector sharedDirector] convertToGL:touchLocation]; //转换成OpenGL坐标系?
}

+(CGPoint) locationFromToucesh:(NSSet *)touches
{
    return [self locationFromTouch:[touches anyObject]];
}

// Implements logic to check if the touch location was in an area that this layer wants to handle as input.
-(bool) isTouchForMe:(CGPoint)touchLocation
{
    CCNode* node = [self getChildByTag:UILayerTagFrameSprite];
    return CGRectContainsPoint([node boundingBox], touchLocation);
}

-(void) ccTouchMoved:(UITouch*)touch withEvent:(UIEvent *)event
{
    CGPoint currentTouchLocation = [MultiLayerScene locationFromTouch:touch];
   
    // Take the difference of the current to the last touch location.
    CGPoint moveTo = ccpSub(lastTouchLocation, currentTouchLocation);
    // Then reverse it since the goal is not to give the impression of moving the camera over the background,
    // but to touch and move the background.
    moveTo = ccpMult(moveTo, -1);
   
    lastTouchLocation = currentTouchLocation;
   
    // Adjust the layer's position accordingly, this will change the position of all nodes it contains too.
    self.position = ccpAdd(self.position, moveTo);
}