@clint
The above link for the sample code has died but I have saved
a copy of the blog page
Original post by Fraggle http://www.cocos2d-iphone.org/forum/profile/677
Sample code for the loading screen
DIM., MAI 31, 2009 AT 8:41
I've been pretty busy finishing up beta 2 of my game for the last few days so I'm a bit late.. but here goes some sample code for the loading screen implementation (my most popular post yet :)).
I'm using a state machine design pattern so in my "init game" state class: here is the code:
- (id) init
{
self = [super init];
if ( self )
{
// Add the Label (in cocos2D universe)
BitmapFontAtlas *label = [BitmapFontAtlas bitmapFontAtlasWithString: @"Initializing Game"
fntFile: @"comic_atlas.fnt"
alignment: UITextAlignmentCenter];
label.position = ccp(240, 160);
label.opacity = 0;
[self addChild: label z: 0 tag: kInitializingLabel];
// Add the UIActivityIndicatorView (in UIKit universe)
self.activityIndicatorView = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle: UIActivityIndicatorViewStyleWhiteLarge] autorelease];
activityIndicatorView.center = ccp(190,240);
[activityIndicatorView startAnimating];
[[self battleView] addSubview: activityIndicatorView];
[self schedule: @selector(loadingInit)];
// At this point, the cocos2d rendering is fine.
}
return self;
}
- (void) loadingInit
{
[self unschedule: @selector(loadingInit)];
// Fade in nicely
BitmapFontAtlas *label = (BitmapFontAtlas*)[self getChildByTag: kInitializingLabel];
[label runAction: [FadeIn actionWithDuration: .25]];
[self schedule: @selector(loadingStep0) interval: .25];
}
- (void) loadingStep0
{
[self unschedule: @selector(loadingStep0)];
// Add you own code to load texture, sounds etc...
// The cocos2D thread will be waiting (since it's the same as the main thread) but the UIKit thread will keep running in parallel
// Can do multiple steps or just one
[self schedule: @selector(loadingStep1) interval: .5];
}
- (void) loadingStep1
{
[self unschedule: @selector(loadingStep1)];
// Add you own code to load texture, sounds etc...
[self schedule: @selector(loadingDone) interval: .1];
}
- (void) loadingDone
{
gameIsReady = YES;
[self.activityIndicatorView removeFromSuperview];
BitmapFontAtlas *label = (BitmapFontAtlas*)[self getChildByTag: kInitializingLabel];
[label setString: NSLocalizedString(@"Tap to start!", nil)];
[label runAction: [RepeatForever actionWithAction:
[Sequence actionOne: [EaseInOut actionWithAction: [MoveTo actionWithDuration: .6 position: ccp(210, 160)] rate: 2]
two: [EaseInOut actionWithAction: [MoveTo actionWithDuration: .6 position: ccp(270, 160)] rate: 2]
]
]
];
}
- (BOOL)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
if ( gameIsReady )
{
[self openGame];
}
return kEventHandled;
}
If you need more explanations, please let me know.
(Original post by Fraggle http://www.cocos2d-iphone.org/forum/profile/677)
Hope this helps :)
