多点触摸

@implementation TouchLayer

- (id) init

{

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

touchSpriteA_ =[CCSprite spriteWithFile:@"Icon.png"];

[self addChild:touchSpriteA_];

touchSpriteB_ =[CCSprite spriteWithFile:@"Icon.png"];

[self addChild:touchSpriteB_];

}

return self;

}

- (void) dealloc

{

[super dealloc];

}

- (void) onEnter

{

[super onEnter];

[[CCTouchDispatcher sharedDispatcher] addTargetedDelegate:self priority:0 swallowsTouches:YES];

}

- (void) onExit

{

[[CCTouchDispatcher sharedDispatcher] removeDelegate:self];

[super onExit];

}

- (BOOL)ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event

{

return YES;

}

- (void)ccTouchMoved:(UITouch *)touch withEvent:(UIEvent *)event;

{

CGPoint begen = [touch locationInView: [touch view]];

    NSSet *allTouches = [event allTouches];//获得所有触摸点  

    int count = [[allTouches allObjects] count];//当前触摸点数量，单点触摸为1. 

    if (count == 1) {//单点触摸  

        UITouch *touch1 = [[allTouches allObjects] objectAtIndex:0];//获得第一个触摸点  

        switch ([touch1 tapCount]) {//判断是单击还是双击  

            case 1:  

                if (begen.y<550) {

                

                }

                NSLog(@"单击\n");  

                break;  

            case 2:  

#pragma mark这里可以执行动画

                NSLog(@"双击\n");  

                break;  

        }  

    }else if (count == 2) {//多点触摸  

        

        CGPoint touch0_point = [[[allTouches allObjects] objectAtIndex:0] locationInView: [touch view]];

        CGPoint touch1_point = [[[allTouches allObjects] objectAtIndex:1] locationInView: [touch view]];

        touchSpriteB_.position = touch0_point;

touchSpriteA_.position = touch1_point;

        NSLog(@"两点触摸\n%f---%f",touch0_point.x,touch1_point.x);

 

        

    } 

}