void TriangulateOpenWater(HexDirection direction, HexCell cell, HexCell neighbor, Vector3 center)
{
Vector3 c1 = center + HexMetric.GetFirstWaterCorner(direction);
Vector3 c2 = center + HexMetric.GetSecondWaterCorner(direction);
water.AddTriangle(center, c1, c2);
if (direction <= HexDirection.SE && neighbor != null)
{
Vector3 bridge = HexMetric.GetWaterBridge(direction);
Vector3 e1 = c1 + bridge;
Vector3 e2 = c2 + bridge;
water.AddQuad(c1, c2, e1, e2);
if (direction <= HexDirection.E)
{
HexCell nextNeighbor = cell.GetNeighbor(direction.Next());
if (nextNeighbor == null || !nextNeighbor.IsUnderwater)
{
return;
}
water.AddTriangle(
c2, e2, c2 + HexMetric.GetWaterBridge(direction.Next())
);
}
}
}