public void UpdateSnakePositions()
{
Snake snakeHead = SnakeParts[0];
Snake snakeTail = SnakeParts[SnakeParts.Count - 1];
if (snakeHead.HeadDirection == Direction.Left)
{
if (snakeHead.UnitPosition.Column == 0 && !(snakeHead.UnitPosition.Row == 0))
{
snakeHead.HeadDirection = Direction.Up;
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row - 1, snakeHead.UnitPosition.Column);
}
else if (snakeHead.UnitPosition.Column == 0 && snakeHead.UnitPosition.Row == 0)
{
snakeHead.HeadDirection = Direction.Down;
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row + 1, snakeHead.UnitPosition.Column);
}
else
{
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column - 1);
}
if (GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Bomb)
{
GameOver = true;
}
else if ((GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Snake) && !(snakeHead.UnitPosition == snakeTail.UnitPosition))
{
GameOver = true;
}
else if (GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Fruit)
{
Pontos++;
GameMap.AddUnit(new Snake(snakeHead.UnitPosition));
Fruits.RemoveAll(x => x.UnitPosition == snakeHead.UnitPosition);
SnakeParts[0] = snakeHead;
for (int i = 1; i < SnakeParts.Count - 1; i++)
{
SnakeParts[i].UnitPosition = SnakeParts[i - 1].PreviousPosition;
}
SnakeParts.Insert(SnakeParts.Count - 1, new Snake((SnakeParts[SnakeParts.Count - 2].PreviousPosition)));
for (int i = 0; i < SnakeParts.Count; i++)
{
SnakeParts[i].PreviousPosition = SnakeParts[i].UnitPosition;
}
}
else
{
GameMap.AddUnit(new Snake(snakeHead.UnitPosition));
GameMap.RemoveUnit(snakeTail.UnitPosition);
SnakeParts[0] = snakeHead;
for (int i = 1; i < SnakeParts.Count; i++)
{
SnakeParts[i].UnitPosition = SnakeParts[i - 1].PreviousPosition;
}
for (int i = 0; i < SnakeParts.Count; i++)
{
SnakeParts[i].PreviousPosition = SnakeParts[i].UnitPosition;
}
}
}
else if (snakeHead.HeadDirection == Direction.Right)
{
if (snakeHead.UnitPosition.Column == (GameMap.NumberOfColumns - 1) && snakeHead.UnitPosition.Row != 0)
{
snakeHead.HeadDirection = Direction.Up;
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row - 1, snakeHead.UnitPosition.Column);
}
else if (snakeHead.UnitPosition.Column == (GameMap.NumberOfColumns - 1) && snakeHead.UnitPosition.Row == 0)
{
snakeHead.HeadDirection = Direction.Down;
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row + 1, snakeHead.UnitPosition.Column);
}
else
{
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column + 1);
}
if (GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Bomb)
{
GameOver = true;
}
else if ((GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Snake) && !(snakeHead.UnitPosition == snakeTail.UnitPosition))
{
GameOver = true;
}
else if (GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Fruit)
{
Pontos++;
GameMap.AddUnit(new Snake(snakeHead.UnitPosition));
Fruits.RemoveAll(x => x.UnitPosition == snakeHead.UnitPosition);
SnakeParts[0] = snakeHead;
for (int i = 1; i < SnakeParts.Count - 1; i++)
{
SnakeParts[i].UnitPosition = SnakeParts[i - 1].PreviousPosition;
}
SnakeParts.Insert(SnakeParts.Count - 1, new Snake((SnakeParts[SnakeParts.Count - 2].PreviousPosition)));
for (int i = 0; i < SnakeParts.Count; i++)
{
SnakeParts[i].PreviousPosition = SnakeParts[i].UnitPosition;
}
}
else
{
GameMap.AddUnit(new Snake(snakeHead.UnitPosition));
GameMap.RemoveUnit(snakeTail.UnitPosition);
SnakeParts[0] = snakeHead;
for (int i = 1; i < SnakeParts.Count; i++)
{
SnakeParts[i].UnitPosition = SnakeParts[i - 1].PreviousPosition;
}
for (int i = 0; i < SnakeParts.Count; i++)
{
SnakeParts[i].PreviousPosition = SnakeParts[i].UnitPosition;
}
}
}
else if (snakeHead.HeadDirection == Direction.Up)
{
if (snakeHead.UnitPosition.Row == 0 && snakeHead.UnitPosition.Column != 0)
{
snakeHead.HeadDirection = Direction.Left;
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column - 1);
}
else if (snakeHead.UnitPosition.Row == 0 && snakeHead.UnitPosition.Column == 0)
{
snakeHead.HeadDirection = Direction.Right;
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column + 1);
}
else
{
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row - 1, snakeHead.UnitPosition.Column);
}
if (GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Bomb)
{
GameOver = true;
}
else if ((GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Snake) && !(snakeHead.UnitPosition == snakeTail.UnitPosition))
{
GameOver = true;
}
else if (GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Fruit)
{
Pontos++;
GameMap.AddUnit(new Snake(snakeHead.UnitPosition));
Fruits.RemoveAll(x => x.UnitPosition == snakeHead.UnitPosition);
SnakeParts[0] = snakeHead;
for (int i = 1; i < SnakeParts.Count - 1; i++)
{
SnakeParts[i].UnitPosition = SnakeParts[i - 1].PreviousPosition;
}
SnakeParts.Insert(SnakeParts.Count - 1, new Snake((SnakeParts[SnakeParts.Count - 2].PreviousPosition)));
for (int i = 0; i < SnakeParts.Count; i++)
{
SnakeParts[i].PreviousPosition = SnakeParts[i].UnitPosition;
}
}
else
{
GameMap.AddUnit(new Snake(snakeHead.UnitPosition));
GameMap.RemoveUnit(snakeTail.UnitPosition);
SnakeParts[0] = snakeHead;
for (int i = 1; i < SnakeParts.Count; i++)
{
SnakeParts[i].UnitPosition = SnakeParts[i - 1].PreviousPosition;
}
for (int i = 0; i < SnakeParts.Count; i++)
{
SnakeParts[i].PreviousPosition = SnakeParts[i].UnitPosition;
}
}
}
else if (snakeHead.HeadDirection == Direction.Down)
{
if (snakeHead.UnitPosition.Row == (GameMap.NumberOfRows - 1) && snakeHead.UnitPosition.Column != 0)
{
snakeHead.HeadDirection = Direction.Left;
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column - 1);
}
else if (snakeHead.UnitPosition.Row == (GameMap.NumberOfRows - 1) && snakeHead.UnitPosition.Column == 0)
{
snakeHead.HeadDirection = Direction.Right;
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column + 1);
}
else
{
snakeHead.UnitPosition = new Position(snakeHead.UnitPosition.Row + 1, snakeHead.UnitPosition.Column);
}
if (GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Bomb)
{
GameOver = true;
}
else if ((GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Snake) && !(snakeHead.UnitPosition == snakeTail.UnitPosition))
{
GameOver = true;
}
else if (GameMap.MapUnits[snakeHead.UnitPosition.Row, snakeHead.UnitPosition.Column] is Fruit)
{
Pontos++;
GameMap.AddUnit(new Snake(snakeHead.UnitPosition));
Fruits.RemoveAll(x => x.UnitPosition == snakeHead.UnitPosition);
SnakeParts[0] = snakeHead;
for (int i = 1; i < SnakeParts.Count - 1; i++)
{
SnakeParts[i].UnitPosition = SnakeParts[i - 1].PreviousPosition;
}
SnakeParts.Insert(SnakeParts.Count - 1, new Snake((SnakeParts[SnakeParts.Count - 2].PreviousPosition)));
for (int i = 0; i < SnakeParts.Count; i++)
{
SnakeParts[i].PreviousPosition = SnakeParts[i].UnitPosition;
}
}
else
{
GameMap.AddUnit(new Snake(snakeHead.UnitPosition));
GameMap.RemoveUnit(snakeTail.UnitPosition);
SnakeParts[0] = snakeHead;
for (int i = 1; i < SnakeParts.Count; i++)
{
SnakeParts[i].UnitPosition = SnakeParts[i - 1].PreviousPosition;
}
for (int i = 0; i < SnakeParts.Count; i++)
{
SnakeParts[i].PreviousPosition = SnakeParts[i].UnitPosition;
}
}
}
}
