dragging object in Cocos2d

cocos2d-dragging.m

//Capture touch only when the touch lies within _draggableObject
- (BOOL)ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event {
    CGPoint currentLocation  = [self convertTouchToNodeSpace:touch];
    return CGRectContainsPoint(_draggableObject.boundingBox, currentLocation);
}

//Updates the _draggableObject position as touch moves
- (void)ccTouchMoved:(UITouch *)touch withEvent:(UIEvent *)event{
    CGPoint location = [touch locationInView:[touch view]];
    CGPoint convertedLocation = [[CCDirector sharedDirector] convertToGL:location];
    _draggableObject.position = CGPointMake(convertedLocation.x, _draggableObject.position.y);
}