cocos2d中晃动手机切换scene(有切换特效),有时崩溃,求解
如题,两个scene互相切换,晃动手机我用的是-( id ) init{ if (( self = [ super init ])) {
//blablabla
[[ UIAccelerometer sharedAccelerometer ] setUpdateInterval : 1 / 60 ];
[[ UIAccelerometer sharedAccelerometer ] setDelegate : self ]; }}
- ( void )accelerometer:( UIAccelerometer *)accelerometer didAccelerate:( UIAcceleration *)acceleration {
static NSInteger shakeCount = 0 ;
static NSDate *shakeStart;
NSDate *now = [[ NSDate alloc ] init ];
NSDate *checkDate = [[ NSDate alloc ] initWithTimeInterval : 1.5f sinceDate :shakeStart];
if ([now compare :checkDate] == NSOrderedDescending || shakeStart == nil ){
shakeCount = 0 ;
[shakeStart release ];
shakeStart = [[ NSDate alloc ] init ];}
[now release ];
[checkDate release ];
if ( fabsf (acceleration. x ) > 2.0 || fabsf (acceleration. y ) > 2.0 || fabsf (acceleration. z ) > 2.0 ){
shakeCount++;
if (shakeCount > 2 ) {
CCTransitionFade * newScene = [ CCTransitionFade transitionWithDuration : 2 scene :[ FirstScene scene ] withColor : ccBLACK ];
[[ CCDirector sharedDirector ] replaceScene :newScene];
shakeCount = 0 ;
[shakeStart release ];
shakeStart = [[ NSDate alloc ] init ];}}}
有时可以切换成功,有时候就崩溃