public Body(BodyView view, Vector2 position, DirectionSnake direction)
{
View = view;
IsPause = false;
Position = position;
Direction = NextDirection = direction;
NextPosition = GetNextPosition();
}
public void SetNextDirection(DirectionSnake direction)
{
if (_moveTimeRest > Constants.CELL_LENGTH_HALF)
{
return;
}
var newDirection = direction;
if (newDirection == DirectionSnake.NONE)
{
return;
}
if (_gameData.IsCamera2D)
{
var isNewDirectionVertical = newDirection == DirectionSnake.UP || newDirection == DirectionSnake.DOWN;
var isCurDirectionVertical = _headData.IsVecticalMoving();
if (isCurDirectionVertical ^ isNewDirectionVertical)
{
_headData.SetNextDirection(newDirection);
}
}
else
{
if (newDirection == DirectionSnake.LEFT)
{
switch (_headData.Direction)
{
case DirectionSnake.LEFT:
_headData.SetNextDirection(DirectionSnake.DOWN);
break;
case DirectionSnake.UP:
_headData.SetNextDirection(DirectionSnake.LEFT);
break;
case DirectionSnake.RIGHT:
_headData.SetNextDirection(DirectionSnake.UP);
break;
case DirectionSnake.DOWN:
_headData.SetNextDirection(DirectionSnake.RIGHT);
break;
default:
throw new Exception("wtf");
}
}
else if (newDirection == DirectionSnake.RIGHT)
{
switch (_headData.Direction)
{
case DirectionSnake.LEFT:
_headData.SetNextDirection(DirectionSnake.UP);
break;
case DirectionSnake.UP:
_headData.SetNextDirection(DirectionSnake.RIGHT);
break;
case DirectionSnake.RIGHT:
_headData.SetNextDirection(DirectionSnake.DOWN);
break;
case DirectionSnake.DOWN:
_headData.SetNextDirection(DirectionSnake.LEFT);
break;
default:
throw new Exception("wtf");
}
}
}
}
public GameViewModel()
{
CanvasWidth = 400;
CanvasHeight = 400;
currPosX = 0;
currPosY = 0;
sizeRect = 20;
currColor = "Black";
directionSnake = DirectionSnake.Right;
backgroundOk = false;
CountFoodOnField = 3;
SnakeSpeed = 500;
numberCellsHoriz = CanvasWidth / sizeRect;
numberCellsVert = CanvasHeight / sizeRect;
randomPos = new Random();
elements = new ObservableCollection <Figure>();
gameTickTimer = new System.Windows.Threading.DispatcherTimer();
UpCommand = new RelayCommand(new Action <object>(btn_UpPressed));
DownCommand = new RelayCommand(new Action <object>(btn_DownPressed));
LeftCommand = new RelayCommand(new Action <object>(btn_LeftPressed));
RightCommand = new RelayCommand(new Action <object>(btn_RightPressed));
TestСommand = new RelayCommand(new Action <object>(Test));
// Риусем фон.
while (!backgroundOk)
{
while (currPosY < CanvasHeight)
{
if (currColor == "Black")
{
currColor = "Yellow";
}
else
{
currColor = "Black";
}
while (currPosX < CanvasWidth)
{
elements.Add(new RectField {
Left = currPosX, Top = currPosY, Color = currColor
});
currPosX += sizeRect;
if (currColor == "Black")
{
currColor = "Yellow";
}
else
{
currColor = "Black";
}
}
currPosX = 0;
currPosY += sizeRect;
}
backgroundOk = true;
}
// Нарисуем первоначальное положение змейки в начале игры.
for (int i = 0; i < 3; i++)
{
snakeHeadX++;
elements.Add(new SnakePart
{
Left = snakeHeadX * sizeRect,
Top = snakeHeadY * sizeRect,
Color = "Green",
IsHead = false,
ElementType = "Snake"
});
currSnakeLength++;
}
// Добавим заданное кол-во еды на игровое поле.
for (int i = 0; i < CountFoodOnField; i++)
{
AddFood();
}
// Запустим таймер, который будет периодически вызывать метод DrawPartSnake - для движения змейки.
gameTickTimer.Tick += DrawPartSnake;
gameTickTimer.Interval = TimeSpan.FromMilliseconds(SnakeSpeed);
gameTickTimer.IsEnabled = true;
}
private void btn_RightPressed(object sender)
{
//MessageBox.Show("Вправо");
directionSnake = DirectionSnake.Right;
}
private void btn_LeftPressed(object sender)
{
//MessageBox.Show("Влево");
directionSnake = DirectionSnake.Left;
}
private void btn_DownPressed(object sender)
{
//MessageBox.Show("Вниз");
directionSnake = DirectionSnake.Down;
}
private void btn_UpPressed(object sender)
{
//essageBox.Show("Вверх");
directionSnake = DirectionSnake.Up;
}
public void SetNextDirection(DirectionSnake direction)
{
NextDirection = direction;
}
