private int DrawFromVertex4(IntVector2 topLeftCell, HexSprite currentSprite, IntVector2 currentCell, List <IntVector2> gridCells, List <Vector3> vertexList)
{
// see if there is a node directly below us
IntVector2 nextCell = gridCells.FirstOrDefault(c => c.x == currentCell.x && c.y == currentCell.y + 1);
if (nextCell != null)
{
// we need 2->3 of the next cell
HexSprite nextSprite = _cells[nextCell.x, nextCell.y].GetComponent <HexSprite>();
vertexList.Add(nextSprite.FindVertex3());
return(DrawFromVertex3(topLeftCell, nextSprite, nextCell, gridCells, vertexList));
}
else
{
//top left cannot be directly below us
// draw 4->5 and continue
vertexList.Add(currentSprite.FindVertex5());
return(DrawFromVertex5(topLeftCell, currentSprite, currentCell, gridCells, vertexList));
}
}
private int DrawFromVertex6(IntVector2 topLeftCell, HexSprite currentSprite, IntVector2 currentCell, List <IntVector2> gridCells, List <Vector3> vertexList)
{
IntVector2 nextCell;
// compare the coordinates of the next
// if current x even, the next cell on the same y level is up; if odd, it's down
// if even and x, y or if odd and x, y-1
if (currentCell.x % 2 == 0)
{
nextCell = gridCells.FirstOrDefault(c => c.x == currentCell.x - 1 && c.y == currentCell.y);
}
else
{
nextCell = gridCells.FirstOrDefault(c => c.x == currentCell.x - 1 && c.y == currentCell.y - 1);
}
if (nextCell != null)
{
// we need 4->5 of the next cell
HexSprite nextSprite = _cells[nextCell.x, nextCell.y].GetComponent <HexSprite>();
vertexList.Add(nextSprite.FindVertex5());
return(DrawFromVertex5(topLeftCell, nextSprite, nextCell, gridCells, vertexList));
}
else
{
// see if the top left hex is to our top left
if ((currentCell.x % 2 == 0 && topLeftCell.x == currentCell.x - 1 && topLeftCell.y == currentCell.y) ||
(currentCell.x % 2 == 1 && topLeftCell.x == currentCell.x - 1 && topLeftCell.y == currentCell.y - 1))
{
return(4);
}
else
{
// draw 6->1 on this cell and continue
vertexList.Add(currentSprite.FindVertex1());
return(DrawFromVertex1(topLeftCell, currentSprite, currentCell, gridCells, vertexList));
}
}
}
