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在我的新游戏中，我必须使用 cocos2d 处理多点触控来同时移动两个玩家。但是，有时看起来触摸有些滞后！当我玩的时候，一切都非常顺利，但是我会突然发现玩家的移动出现了延迟，但其他物体的移动却很顺畅！所以我决定运行分析，一切都很好，我的游戏总是在 56-60 fps 之间运行，即使有“滞后”。所以我想这不是内存问题，也不是 FPS 问题，而是触摸处理问题……这是我的代码：

- (void) ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    for (UITouch *touch in touches) {
        tapCount ++;

        CGPoint location = [touch locationInView:[touch view]];
        location = [[CCDirector sharedDirector] convertToGL:location];

        //Do my stuff here...

        NSLog(@"Tap Count:%d", tapCount);
    }
}

- (void) ccTouchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
    if (tapCount == 0) return;

    for (UITouch *touch in touches) {
        CGPoint location = [touch locationInView:[touch view]];
        location = [[CCDirector sharedDirector] convertToGL:location];
        CGPoint prevLocation = [[CCDirector sharedDirector] convertToGL:[touch previousLocationInView:[touch view]]];

        float diff = (location.y - prevLocation.y) / ipadScale * SENSIVITY;

        //MOVE MY PLAYERS HERE
    }
}

- (void) ccTouchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event{
    [self ccTouchesEnded:touches withEvent:event];
}

- (void) ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
    for (UITouch *touch in touches) {
        tapCount--;
        NSLog(@"Tap Count:%d", tapCount);
    }

    if (tapCount <= 0) {
        tapCount = 0;
        [self pauseGame];
    }
}

我还将我的游戏场景注册为标准委托，这是问题吗？我猜不是因为它是多点触控所必需的！我相信这段代码也没有错，对吗？当我说滞后时，就像以 25 FPS 运行一样，这没什么大不了的，但有点烦人！

请帮我！谢谢！

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