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POGame Center windows don't scroll smoothly on OpenGL game
 

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  1. POGame Center windows don't scroll smoothly on OpenGL game
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    <p>I have an shipped OpenGL game that I'm adding Game Center support to for a 1.1 rev. The game does not use a UIViewController and is coded as follows in the AppDelegate:</p> <pre><code>-(void)applicationDidFinishLaunching:(UIApplication *)application { window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds]; [window setUserInteractionEnabled:YES]; [window setMultipleTouchEnabled:YES]; glView = [[EAGLView alloc] initWithFrame:[UIScreen mainScreen].bounds]; [window addSubview:glView]; [window makeKeyAndVisible]; [glView performSelectorOnMainThread:@selector(mainGameLoop) withObject:nil waitUntilDone:NO]; } </code></pre> <p>Everything works great, but when Game Center brings up a window (GKAchievementViewController for example), the window animates on screen fine, but when I touch to scroll it, it doesn't have any of the momentum or bounce-back like normal windows. When I scroll the window past the top and bottom and it doesn't return with bounce back.</p> <p>The window is fully functional, registers touches, it just behaves ugly.</p> <p>I assume this is because some information is just not being sent down the pipe correctly because I don't have a UIViewController? I tried creating a UIViewController that sits in-between the UIWindow and the OpenGL UIView, but I get the same behavior.</p> <p>This is how I'm creating the GKAchievementViewController dialog:</p> <pre><code>-(void)displayAchievements { achievmentsViewController = [[UIViewController alloc] init]; [glView addSubview:achievmentsViewController.view]; GKAchievementViewController *achievements = [[GKAchievementViewController alloc] init]; if (achievements != nil) { achievements.achievementDelegate = self; [achievmentsViewController presentModalViewController:achievements animated:YES]; } [achievements release]; } </code></pre> <p>I don't use any of the UIKit in the game, all buttons, etc are done with straight OpenGL. I am also not using cocos2d or any other framworks.</p> <p>In my main loop I am doing this:</p> <pre><code>while(CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.002, TRUE) == kCFRunLoopRunHandledSource); </code></pre> <p>Other than that, I am not making any regular calls into the OS.</p> <p>Does anyone know what is going on? My game is ready to submit other than this problem and it's driving me crazy.</p>
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