cocos2d 使用 NSThread

-(void)toR_therd:(id) sender
{
    // 定义一个新的线程
    [NSThread detachNewThreadSelector:@selector(toR:) toTarget:self withObject:sender];
}

-(void) toR:(id) sender
{
    NSAutoreleasePool *pool=[[NSAutoreleasePool alloc]init];
   // ...........
    [pool release];
}