private const short DefaultSnakeLength = 4; //Start size of the snake
#endregion Fields
#region Constructors
public Snake()
{
//Setting snake's start direction and placing all the snake parts
Direction = SnakeDirection.Down;
Position.X = 10;
Position.Y = 10;
NewHeadPosition = new Position(Position.X, Position.Y);
for (var i = 0; i < DefaultSnakeLength; i++)
{
SnakeElements.Add(new Position (Position.X, Position.Y));
}
}
//Move snake based on the chosen direction.
public void MoveSnake()
{
NewHeadPosition = new Position(Head);
switch (Direction)
{
case SnakeDirection.Up:
NewHeadPosition.Y--;
break;
case SnakeDirection.Right:
NewHeadPosition.X++;
break;
case SnakeDirection.Down:
NewHeadPosition.Y++;
break;
case SnakeDirection.Left:
NewHeadPosition.X--;
break;
default:
NewHeadPosition.Y++;
break;
}
//Has snake moved out of bounds? If so, game is over.
if (NewHeadPosition.X < 0 || NewHeadPosition.X >= Global.BoardWidth ||
NewHeadPosition.Y < 0 || NewHeadPosition.Y >= Global.BoardHeight)
{
Global.IsGameOver = true;
return;
}
Draw ();
}