实现触摸

Touch.m

#pragma mark - touch delegate
- (CGPoint)locationFromTouch:(UITouch *)touch
{
    CGPoint touchLocation = [touch locationInView:[touch view]];
    return [[CCDirector sharedDirector]convertToGL:touchLocation];
}

- (BOOL)containsTouchLocation:(UITouch *)touch
{
    CGRect selfRect = CGRectMake(self.position.x, self.position.y, self.contentSize.width, self.contentSize.height);
    return CGRectContainsPoint(selfRect, [self locationFromTouch:touch]);
}

- (BOOL)ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event
{
    if([self containsTouchLocation:touch]){
        return YES;
    }
    return NO;
}

- (void)ccTouchCancelled:(UITouch *)touch withEvent:(UIEvent *)event
{
    CCLOG(@"ccTouchCancelled");
}

- (CGPoint)locationFromTouch:(UITouch *)touch
{
    CGPoint touchLocation = [touch locationInView:[touch view]];
    return [[CCDirector sharedDirector]convertToGL:touchLocation];
}

- (BOOL)containsTouchLocation:(UITouch *)touch node:(CCNode *)node
{
    return CGRectContainsPoint([node boundingBox], [self locationFromTouch:touch]);
}

#pragma mark - onEnter/onExit
- (void)onEnter
{
    [[[CCDirector sharedDirector]touchDispatcher] addTargetedDelegate:self priority:0 swallowsTouches:YES];
    [super onEnter];
}

- (void)onExit
{
    [[[CCDirector sharedDirector]touchDispatcher]removeDelegate:self];
    [super onExit];
}

- (BOOL)containsTouchLocation:(UITouch *)touch
{
    CGRect selfRect = CGRectMake(self.position.x, self.position.y, self.contentSize.width, self.contentSize.height);
    return CGRectContainsPoint(selfRect, [self locationFromTouch:touch]);
}