internal void SnakeAddElement()
{
SnakeElements.Add(new SnakePart(elemenetSize)
{
X = SnakeTail.X, Y = SnakeTail.Y
});
}
internal void AddFirstElement(int numColumns, int numRows)
{
SnakeElements.Add(new SnakePart(elemenetSize)
{
X = (numColumns / 2) * elemenetSize,
Y = (numRows / 2) * elemenetSize
});
}
public bool CheckTail()
{
SnakePart snakeHead = SnakeHead;
if (snakeHead != null)
{
foreach (var snakeEl in SnakeElements.Where(x => !x.Head))
{
if (snakeEl.X == snakeHead.X && snakeEl.Y == snakeHead.Y)
{
return(true);
}
}
}
return(false);
}
internal void MoveSnake()
{
SnakePart head = SnakeElements[0];
SnakePart tail = SnakeElements[SnakeElements.Count - 1];
SnakeTail = new SnakePart(elemenetSize)
{
X = tail.X,
Y = tail.Y
};
head.Head = false;
tail.Head = true;
tail.X = head.X;
tail.Y = head.Y;
switch (Direction)
{
case Direction.Up:
tail.Y -= elemenetSize;
break;
case Direction.Down:
tail.Y += elemenetSize;
break;
case Direction.Left:
tail.X -= elemenetSize;
break;
case Direction.Right:
tail.X += elemenetSize;
break;
}
SnakeElements.RemoveAt(SnakeElements.Count - 1);
SnakeElements.Insert(0, tail);
}
