public IHexCell GetCellAtPoint(Vector3 point)
{
if (!Grid.HasCellAtLocation(point))
{
return(null);
}
var gridCell = Grid.GetCellAtLocation(point);
foreach (var direction in EnumUtil.GetValues <HexDirection>())
{
if (CellContourCanon.IsPointWithinContour(point.ToXZ(), gridCell, direction))
{
return(gridCell);
}
}
foreach (var neighbor in Grid.GetNeighbors(gridCell))
{
foreach (var direction in EnumUtil.GetValues <HexDirection>())
{
if (CellContourCanon.IsPointWithinContour(point.ToXZ(), neighbor, direction.Opposite()))
{
return(neighbor);
}
}
}
return(null);
}
private bool ShouldAddQuad(
List <IHexCell> farmBlob, Vector2 northVertex, Vector2 eastVertex, Vector2 southVertex, Vector2 westVertex
)
{
bool northValid = false, eastValid = false, southValid = false, westValid = false;
foreach (var cell in farmBlob)
{
foreach (var direction in EnumUtil.GetValues <HexDirection>())
{
if (RiverCanon.HasRiverAlongEdge(cell, direction))
{
var contour = CellContourCanon.GetContourForCellEdge(cell, direction);
if (CellContourCanon.DoesSegmentCrossContour(northVertex, eastVertex, contour) ||
CellContourCanon.DoesSegmentCrossContour(northVertex, westVertex, contour) ||
CellContourCanon.DoesSegmentCrossContour(southVertex, eastVertex, contour) ||
CellContourCanon.DoesSegmentCrossContour(southVertex, westVertex, contour)
)
{
return(false);
}
}
northValid |= CellContourCanon.IsPointWithinContour(northVertex, cell, direction);
eastValid |= CellContourCanon.IsPointWithinContour(eastVertex, cell, direction);
southValid |= CellContourCanon.IsPointWithinContour(southVertex, cell, direction);
westValid |= CellContourCanon.IsPointWithinContour(westVertex, cell, direction);
}
}
return(northValid && eastValid && southValid && westValid);
}
