test for this new blog～

CGRect maskFrame = self.periscopeSeaMask.frame;
maskFrame.origin.x += point.x;
maskFrame.origin.y += point.y;
[self.periscopeSeaMask setFrame:maskFrame];

#pragma mark -

- (AFHTTPRequestOperation *)GET:(NSString *)URLString
parameters:(id)parameters
success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
{
NSMutableURLRequest *request = [self.requestSerializer requestWithMethod:@"GET" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters error:nil];
AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];

[self.operationQueue addOperation:operation];

return operation;
}