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);

}

}