private void ClearTheScreen()
{
//Clear the tail
for (int i = 0; i < snake.Tail.Count; i++)
{
CanvasPosition tailPosition = snake.Tail[i];
ShowEmptyArenaPosition(tailPosition.RowPosition, tailPosition.ColumnPosition, tailPosition.Paint);
}
//Clear the head
ShowEmptyArenaPosition(snake.HeadPositionOld.RowPosition, snake.HeadPositionOld.ColumnPosition, snake.HeadPosition.Paint);
//Clear the food(s)
for (int i = 0; i < foods.FoodPositions.Count; i++)
{
CanvasPosition foodPosition = foods.FoodPositions[i];
ShowEmptyArenaPosition(foodPosition.RowPosition, foodPosition.ColumnPosition, foodPosition.Paint);
}
// Reset the displays
playTime = TimeSpan.Zero;
View.LabelPlayTime.Content = $"{playTime.Minutes:00}:{playTime.Seconds:00}";
View.NumberOfMealsTextBlock.Text = "0";
// Set the snake to null
snake = null;
}
public Snake(int rowPosition, int columnPosition)
{
HeadPosition = new CanvasPosition(rowPosition, columnPosition, null);
HeadPositionOld = new CanvasPosition(rowPosition, columnPosition, null);
HeadDirection = SnakeHeadDirectionEnum.InPlace;
Length = 6;
Tail = new List <CanvasPosition>();
HeadPosition.ArenaPositionChanged += HeadPositionChanged;
}