/// <summary>
/// Creates geometry for open water (no land neighbors).
/// </summary>
void TriangulateOpenWater(HexDirection direction, HexCell cell, HexCell neighbor, Vector3 center)
{
// Careful to find the WATER corner not the solid corner
// Careful to get the WATER bridge
Vector3 c1 = center + HexMetrics.GetFirstWaterCorner(direction);
Vector3 c2 = center + HexMetrics.GetSecondWaterCorner(direction);
Water.AddTriangle(center, c1, c2);
Vector3 indices;
indices.x = indices.y = indices.z = cell.Index;
Water.AddTriangleCellData(indices, weights1);
if (direction <= HexDirection.SE && neighbor != null)
{
Vector3 bridge = HexMetrics.GetWaterBridge(direction);
Vector3 e1 = c1 + bridge;
Vector3 e2 = c2 + bridge;
Water.AddQuad(c1, c2, e1, e2);
indices.y = neighbor.Index;
Water.AddQuadCellData(indices, weights1, weights2);
// The tripple connection triangle for water surface
if (direction <= HexDirection.E)
{
HexCell nextNeighbor = cell.GetNeighbor(direction.Next());
if (nextNeighbor == null || !nextNeighbor.IsUnderwater)
{
return;
}
Water.AddTriangle(c2, e2, c2 + HexMetrics.GetWaterBridge(direction.Next()));
indices.z = nextNeighbor.Index;
Water.AddTriangleCellData(indices, weights1, weights2, weights3);
}
}
}
private void TriangulateOpenWater(HexDirection direction, HexCell cell, HexCell neighbour, Vector3 centre)
{
var c1 = centre + HexMetrics.GetFirstWaterCorner(direction);
var c2 = centre + HexMetrics.GetSecondWaterCorner(direction);
Water.AddTriangle(centre, c1, c2);
var indices = new Vector3(cell.Index, cell.Index, cell.Index);
Water.AddTriangleCellData(indices, weights1);
if (neighbour == null || direction > HexDirection.SE)
{
return;
}
var bridge = HexMetrics.GetWaterBridge(direction);
var e1 = c1 + bridge;
var e2 = c2 + bridge;
Water.AddQuad(c1, c2, e1, e2);
indices.y = neighbour.Index;
Water.AddQuadCellData(indices, weights1, weights2);
if (direction > HexDirection.E)
{
return;
}
var nextNeighbour = cell.GetNeighbour(direction.Next());
if (nextNeighbour == null || !nextNeighbour.IsUnderwater)
{
return;
}
Water.AddTriangle(c2, e2, c2 + HexMetrics.GetWaterBridge(direction.Next()));
indices.z = nextNeighbour.Index;
Water.AddTriangleCellData(indices, weights1, weights2, weights3);
}
