public void MoveSnakeParts(LinkedList <SnakePart> snakeParts, MapManager mm)
{
LinkedListNode <SnakePart> snakeHead = snakeParts.Last;
Tile destinationTile = mm.GetTileInFrontOfSnakePart(snakeHead.Value);
Tile currentTile = mm.GetTileWithItem(snakeParts.First.Value);
mm.PlaceItemOnTile(currentTile, null);
for (LinkedListNode <SnakePart> snakePartNode = snakeParts.First; snakePartNode != null;)
{
LinkedListNode <SnakePart> nextSnakePartNode = snakePartNode.Next;
if (nextSnakePartNode != null)
{
// Move snakePart forward to take the tile of the next snakePart
MoveSnakePartToTileOfNextSnakePart(mm, snakePartNode.Value, nextSnakePartNode.Value);
}
else
{
//Moves snakehead to destination
MoveSnakeHeadToDestinationTile(mm, destinationTile, snakePartNode.Value);
}
snakePartNode = nextSnakePartNode;
}
if (ShouldGrow)
{
GrowSnake(mm);
}
HandleCollision(mm.GetTileInFrontOfSnakePart(snakeHead.Value));
}
public void Draw(MapManager mm, Graphics gfx)
{
Tile tile = mm.GetTileWithItem(this);
if (tile != null)
{
gfx.DrawImage(snakeImg, tile.X * mm.GetTileSize(), tile.Y * mm.GetTileSize(), snakeImg.Width, snakeImg.Height);
}
}
void MoveSnakePartToTileOfNextSnakePart(MapManager mm, SnakePart snakePart, SnakePart nextSnakePart)
{
Tile nextTile = mm.GetTileWithItem(nextSnakePart);
if (nextTile == null)
{
throw new Exception("nextTile is null");
}
mm.PlaceItemOnTile(nextTile, snakePart);
snakePart.SetSnakePartDirection(nextSnakePart.GetSnakeDirection().GetCurrentDirection());
}
public void Draw(MapManager mm, Graphics gfx)
{
if (!MIsEaten)
{
Tile tile = mm.GetTileWithItem(this);
if (tile != null)
{
gfx.DrawImage(foodImg, tile.X * mm.GetTileSize(), tile.Y * mm.GetTileSize(), mm.GetTileSize(), mm.GetTileSize());
}
else
{
MIsEaten = true;
}
}
}