private int DrawFromVertex3(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 + 1);
}
else
{
nextCell = gridCells.FirstOrDefault(c => c.x == currentCell.x + 1 && c.y == currentCell.y);
}
if (nextCell != null)
{
// we need 1->2 of the next cell
HexSprite nextSprite = _cells[nextCell.x, nextCell.y].GetComponent <HexSprite>();
vertexList.Add(nextSprite.FindVertex2());
//gridCells.Remove(nextCell);
return(DrawFromVertex2(topLeftCell, nextSprite, nextCell, gridCells, vertexList));
}
else
{
// vertex 3 should not touch the topLeftHex, so draw 3 -> 4 on this cell and continue
vertexList.Add(currentSprite.FindVertex4());
return(DrawFromVertex4(topLeftCell, currentSprite, currentCell, gridCells, vertexList));
}
}
private int DrawFromVertex1(IntVector2 topLeftCell, HexSprite currentSprite, IntVector2 currentCell, List <IntVector2> gridCells, List <Vector3> vertexList)
{
// see if there is a node directly above us
IntVector2 nextCell = gridCells.FirstOrDefault(c => c.x == currentCell.x && c.y == currentCell.y - 1);
if (nextCell != null)
{
// we need 5->6 of the next cell
var nextSprite = _cells[nextCell.x, nextCell.y].GetComponent <HexSprite>();
vertexList.Add(nextSprite.FindVertex6());
//gridCells.Remove(nextCell);
return(DrawFromVertex6(topLeftCell, nextSprite, nextCell, gridCells, vertexList));
}
else
{
// see if the topLeftCell is directly above this cell
if (topLeftCell.x == currentCell.x && topLeftCell.y == currentCell.y - 1)
{
return(5);
}
else
{
// draw 1->2 and continue
vertexList.Add(currentSprite.FindVertex2());
return(DrawFromVertex2(topLeftCell, currentSprite, currentCell, gridCells, vertexList));
}
}
}
