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()) ); } } }
void TriangulateWaterShore(HexDirection direction, HexCell cell, HexCell neighbor, Vector3 center) { EdgeVertices e1 = new EdgeVertices( center + HexMetric.GetFirstWaterCorner(direction), center + HexMetric.GetSecondWaterCorner(direction) ); water.AddTriangle(center, e1.v1, e1.v2); water.AddTriangle(center, e1.v2, e1.v3); water.AddTriangle(center, e1.v3, e1.v4); water.AddTriangle(center, e1.v4, e1.v5); Vector3 center2 = neighbor.Position; center2.y = center.y; EdgeVertices e2 = new EdgeVertices( center2 + HexMetric.GetSecondSolidCorner(direction.Opposite()), center2 + HexMetric.GetFirstSolidCorner(direction.Opposite()) ); if (cell.HasRiverThroughEdge(direction)) { TriangulateEstuary(e1, e2, cell.IncomingRiver == direction); } else { waterShore.AddQuad(e1.v1, e1.v2, e2.v1, e2.v2); waterShore.AddQuad(e1.v2, e1.v3, e2.v2, e2.v3); waterShore.AddQuad(e1.v3, e1.v4, e2.v3, e2.v4); waterShore.AddQuad(e1.v4, e1.v5, e2.v4, e2.v5); waterShore.AddQuadUV(0f, 0f, 0f, 1f); waterShore.AddQuadUV(0f, 0f, 0f, 1f); waterShore.AddQuadUV(0f, 0f, 0f, 1f); waterShore.AddQuadUV(0f, 0f, 0f, 1f); } HexCell nextNeighbor = cell.GetNeighbor(direction.Next()); if (nextNeighbor != null) { Vector3 v3 = nextNeighbor.Position + (nextNeighbor.IsUnderwater ? HexMetric.GetFirstWaterCorner(direction.Previous()) : HexMetric.GetFirstSolidCorner(direction.Previous())); v3.y = center.y; waterShore.AddTriangle(e1.v5, e2.v5, v3); waterShore.AddTriangleUV(new Vector2(0f, 0f), new Vector2(0f, 1f), new Vector2(0f, nextNeighbor.IsUnderwater ? 0f : 1f)); } }