/// <summary>
/// Aktualizuje stan gry.
/// </summary>
/// <param name="checkInput">Określa, czy metoda ma obłsużyć wejście.</param>
public void Update(bool checkInput)
{
bool updateDirection = false;
Directions newDirection = Directions.Up;
if (checkInput)
{
// Obsługa wejścia.
switch (currentKey)
{
case ConsoleKey.UpArrow:
updateDirection = true;
newDirection = Directions.Up;
break;
case ConsoleKey.DownArrow:
updateDirection = true;
newDirection = Directions.Down;
break;
case ConsoleKey.LeftArrow:
updateDirection = true;
newDirection = Directions.Left;
break;
case ConsoleKey.RightArrow:
updateDirection = true;
newDirection = Directions.Right;
break;
default:
break;
}
}
// Aktualizacja obiektów gry.
foreach (GameObject gameObject in gameObjects)
{
// Aktualizacja węży.
if (gameObject is Snake)
{
Snake snake = gameObject as Snake;
// Obsługa zmiany kierunku.
if (updateDirection)
{
Vector2Int zero = new Vector2Int(0, 0);
if (ConvertDirection.ToVector2Int(newDirection) + ConvertDirection.ToVector2Int(snake.Direction) != zero)
{
snake.UpdatedDirection = newDirection;
snake.DirectionUpdateWaiting = true;
}
}
// Obsługa zmiany kierunku, ruchu, zebrania bonusu i kolizji.
double secondsPerMove = (1D / snake.Speed);
int timesToMove = (int)(snake.speedTimer.TimeElapsed.TotalSeconds / secondsPerMove);
if (timesToMove > 0)
{
snake.UpdateDirection();
snake.speedTimer.SubtractTimeElapsed(TimeSpan.FromSeconds(timesToMove * secondsPerMove));
for (int i = 0; i < timesToMove; i++)
{
Vector2Int futureHead = snake.Points[0] + ConvertDirection.ToVector2Int(snake.Direction);
if (futureHead.X >= 0 && futureHead.Y >= 0 && futureHead.X < level.Size.X && futureHead.Y < level.Size.Y)
{
PointTypes pointType = level.GetPointType(futureHead);
if (pointType == PointTypes.Empty)
{
// Zwykły ruch.
snake.Move();
level.UpdateLevel(gameObjects);
}
else if (pointType == PointTypes.Bonus)
{
// Ruch z zebraniem bonusu i urośnięciem węża.
Bonuses bonuses = level.WhatObjectIsHere(futureHead, gameObjects) as Bonuses;
snake.Move(true);
bonuses.DeleteBonus(futureHead);
level.UpdateLevel(gameObjects);
bonuses.SpawnBonus(level.PickAnEmptyPoint());
level.UpdateLevel(gameObjects);
Score++;
scoreBar.UpdateScores(Score);
}
else
{
// Kolizja z wężem.
InGame = false;
}
}
else
{
// Kolizja z granicą levelu.
InGame = false;
}
}
}
}
}
}