//====== ctors
public SnakeFreeMove(SnakeBody snakeBody, Direction initialDirection)
{
this.snakeBody = Verify.NotNull(snakeBody, nameof(snakeBody));
CurrentDirection = initialDirection;
}
//====== ctors
public GameOverConditions(SnakeBody snakeBody, Terrain terrain, AppleGenerator applesGenerator, GameTime gameTime) : base(gameTime)
{
this.snakeBody = Verify.NotNull(snakeBody, nameof(snakeBody));
this.terrain = Verify.NotNull(terrain, nameof(terrain));
this.applesGenerator = Verify.NotNull(applesGenerator, nameof(applesGenerator));
}