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当我尝试显示带有动画的 CCLabelBMFont 时，我的 Cocos2d 应用程序对某些用户随机失败。我无法在我的任何测试设备上重现该问题。因为它似乎在第 845 行失败了，所以我想知道我的内存是否用完了。我正在使用 cocos2d v2.0.0。

for (TileBlockModel* tile in [matchInfo tiles]) {
    if (tile.matchScore > 0 && tile.spriteObject != nil) {
        NSString* str = [NSString stringWithFormat:@"%d",tile.matchScore];
        CCLabelBMFont* label = [CCLabelBMFont labelWithString:str fntFile:@"8-WHITE NUMBERS.fnt"];
        label.position = ((CCNode*)tile.spriteObject).position;
        label.scale = label.scale * fontMultiplier;
        label.zOrder = TILE_BLOCK_SCORE_Z_LEVEL;
        [gameGrid addChild:label];
        CCActionInterval* action = [CCSequence actions:
                            [CCMoveBy actionWithDuration:.4 position:ccp(0, ((CCNode*)tile.spriteObject).boundingBox.size.height)],
                                    [CCCallBlockN actionWithBlock:^(CCNode* node){
            [node removeFromParentAndCleanup:YES];
        }],
                            nil];
        [label runAction:[CCSpeedPointer actionWithAction:action speed_:globalGameSpeed]];

    }

}

崩溃日志

0     vault2richesiphone                    0x00078a02 -[CCLabelBMFont setString:updateLabel:] (CCLabelBMFont.m:845)
1     vault2richesiphone                    0x00078d29 -[CCLabelBMFont setFntFile:] (CCLabelBMFont.m:921)
2     vault2richesiphone                    0x00077f1d -[CCLabelBMFont updateLabel] (CCLabelBMFont.m:622)
3     vault2richesiphone                    0x000b58b3 -[gameViewController displayMatchScore:] (gameViewController.m:1100)
4     vault2richesiphone                    0x000b68ab -[gameViewController animateColumnDrop:andRow:andOffset:animationId:] (gameViewController.m:1226)
5     vault2richesiphone                    0x0006755d -[CCRepeat stop] (CCActionInterval.m:307)
6     vault2richesiphone                    0x0006c4bf -[CCProgressTo startWithTarget:] (CCActionProgressTimer.m:53)
7     vault2richesiphone                    0x0008ca59 +[CCShaderCache sharedShaderCache] (CCShaderCache.m:41)
8     vault2richesiphone                    0x000a070d -[CCDirectorIOS setProjection:] (CCDirectorIOS.m:217)
9     QuartzCore                            0x3581c7a9 _ZN2CA7Display11DisplayLink8dispatchEyy + 161
10   QuartzCore                             0x3581c701 _ZN2CA7Display16IOMFBDisplayLink8callbackEP21__IOMobileFramebufferyyyPv + 65
11   IOMobileFramebuffer                    0x37a98fd7 IOMobileFramebufferVsyncNotifyFunc + 155
12   IOKit                                  0x3480f5ad IODispatchCalloutFromCFMessage + 193
13   CoreFoundation                         0x33bf188b __CFMachPortPerform + 119
14   CoreFoundation                         0x33bfc3e7 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 35
15   CoreFoundation                         0x33bfc38b __CFRunLoopDoSource1 + 139
16   CoreFoundation                         0x33bfb20f __CFRunLoopRun + 1383
17   CoreFoundation                         0x33b6e23d CFRunLoopRunSpecific + 357
18   CoreFoundation                         0x33b6e0c9 CFRunLoopRunInMode + 105
19   GraphicsServices                       0x3774d33b GSEventRunModal + 75
20   UIKit                                  0x35a8a2b9 UIApplicationMain + 1121
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