Question

我正在制作游戏，并在其中增加了生活并得分。一切都很好，但我想补充的是，如果分数是15的倍数，那么生活将增加1。我在这里遇到的问题是，生命每帧而不是每秒增加。每秒60帧，因此可以使寿命增加60，而不是1。

正在运行的部分在“更新”中

public class RobotDodge
{
   private Player _Player;
   private Window _GameWindow;
   private List<Robot> _Robots;
   //private int _Lives;
   private decimal _Score, _Lives;
   private DateTime _Time, currentTime;

   public bool Quit{
      get{
          return _Player.Quit;
         }
    }
    // making our game constructor..
    public RobotDodge(){
             _GameWindow=new Window("Robot Dodge", 800, 800);
             _Player=new Player(_GameWindow); 
             _Robots = new List<Robot>();
             _Lives = _Player._Lives; // player lives are 5.
             _Score = 0;
            //_Counter = 0;
            currentTime = DateTime.Now;
            _Time = DateTime.Now;
    }
    // method that returns our new Robot object..
    public Robot RandomRobot(){
          float r = SplashKit.Rnd();
          Boxy _Boxy=new Boxy(_GameWindow, _Player);
          Roundy _Roundy=new Roundy(_GameWindow, _Player);
          Boxy_v2 _Boxy_v2=new Boxy_v2(_GameWindow, _Player);
          // setting up the probability to return the robot type..
          if(r < 0.3){
                return _Boxy;
          }else if(r > 0.3 && r < 0.6){
                return _Roundy;
          }else{
                return _Boxy_v2;
          }
    }

    public void DrawGame(){
         // clearing the window..
         _GameWindow.Clear(Color.White); 
         //draw our robots..
         for (int i = 0; i < _Robots.Count; i++){
             _Robots[i].Draw();
             SplashKit.DrawCircle(Color.Blue, _Robots[i].CollisionCircle);
         }
         // drawing our player..
         _Player.DrawPlayer();
        // Number of Lives..
        SplashKit.DrawText($"Lives : {_Lives}", Color.Black, "Ariel", 14, 20, 20);
        SplashKit.DrawText($"Score : {_Score}", Color.Black, "Ariel", 14, 20, 50);
        _GameWindow.Refresh(60);
    }

    // update method..
    public void Update(){
         for (int i = 0; i < _Robots.Count; i++){
              _Robots[i].UpdateRobot();
         }
         if (SplashKit.Rnd() < 0.02){
              _Robots.Add(RandomRobot());
         }
         CheckCollisions();
         // increase _Time by 1 second..
         _Time = _Time.AddSeconds(1);
         // increase score by 1 every second..
         // the below condition will always be true as the difference        between times is always 1 second..
         if (_Time.Second - currentTime.Second == 1){
             _Score += 1;
         }
         if (_Score % 15 == 0){
             _Lives += 1;
         }

    }

}

Answer 1

这应该解决。我必须在循环顶部为当前时间变量添加一个更新。我给您的印象是，您正在更新代码中除了Robot构造函数之外的其他地方，并且我不想歪曲您的活动。因此，将其添加到update方法的第一行。

    protected DateTime currentTime = DateTime.Now;

    // default to a minimum value
    private DateTime _lastTime = DateTime.MinValue;
    public void Update()
    {
        // UPDATE THE TIME HERE based on NOW
        currentTime = DateTime.Now;

        // just FYI, shortcut readability to loop vs indexing loop.
        // An array is an enumerable you can loop through directly
        foreach (var oneRobot in _Robots)
            oneRobot.UpdateRobot();

        // vs what you had
        // for (int i = 0; i < _Robots.Count; i++)
        //{
        //  _Robots[i].UpdateRobot();
        //}

        if (SplashKit.Rnd() < 0.02)
        {
            _Robots.Add(RandomRobot());
        }
        CheckCollisions();


        // if the first time ever in, just set the last time to whatever current IS and get out.
        // you would never increase as score or lives on the first instance as it is basically 0
        if (_lastTime == DateTime.MinValue)
        {
            _lastTime = currentTime;
            return;
        }

        // subtracting one date/time 
        // creates a "TimeSpan" object which represents the difference between two date/time fields.
        // if no full second has completed yet, get out.
        if ((currentTime - _lastTime).Seconds < 0)
            return;

        // a second HAS completed since the last measurement. Update Score and Lives
        _Score++;

        if (_Score % 15 == 0)
            _Lives++;

        // NOW, you can adjust, but if its a 1.3 second between cycles, you would be constantly
        // getting farther and farther from actual seconds.  So what I am proposing is to
        // take the last second and just add an absolute one second to it, so when the next
        // real Second cycle is complete, it should properly hit again.
        _lastTime = _lastTime.AddSeconds(1);

    }

播放器寿命每帧而不是每秒增加

1 个答案: