void TriangulateConnection(HexDirection direction, HexCell cell, EdgeVertices el)
{
var neighbor = cell.GetNeighbor(direction);
if (!neighbor)
{
return;
}
var bridge = HexMetrics.GetBridge(direction);
bridge.y = neighbor.position.y - cell.position.y;
var el2 = new EdgeVertices(
el.v1 + bridge,
el.v5 + bridge);
var hasRiver = cell.HasRiverThroughEdge(direction);
var hasRoad = cell.HasRoadThroughEdge(direction);
if (hasRiver)
{
el2.v3.y = neighbor.streamBedY;
if (!cell.isUnderWater)
{
if (!neighbor.isUnderWater)
{
TriangulateRiverQuad(
el.v2, el.v4, el2.v2, el2.v4,
cell.riverSurfaceY, neighbor.riverSurfaceY,
cell.hasIncomingRiver && cell.incomingRiver == direction);
}
else if (cell.elevation > neighbor.waterLevel)
{
TriangulateWaterfallInWater(el.v2, el.v4, el2.v2, el2.v4,
cell.riverSurfaceY, neighbor.riverSurfaceY, neighbor.waterSurfaceY);
}
}
else if (!neighbor.isUnderWater && neighbor.elevation > cell.waterLevel)
{
TriangulateWaterfallInWater(el2.v4, el2.v2, el.v4, el.v2,
neighbor.riverSurfaceY, cell.riverSurfaceY, cell.waterSurfaceY);
}
}
if (cell.GetEdgeType(direction) == HexEdgeType.Slope)
{
TriangulateEdgeTerraces(el, cell, el2, neighbor, hasRoad);
}
else
{
TriangulateEdgeStrip(el, color1, cell.terrainTypeIndex, el2, color2, neighbor.terrainTypeIndex, hasRoad);
}
features.AddWall(el, cell, el2, neighbor, hasRiver, hasRoad);
var next_d = direction.Next();
var nextNeighbor = cell.GetNeighbor(next_d);
if (direction <= HexDirection.E && nextNeighbor)
{
var v5 = el.v5 + HexMetrics.GetBridge(next_d);
v5.y = nextNeighbor.position.y;
if (cell.elevation <= neighbor.elevation)
{
if (cell.elevation <= nextNeighbor.elevation)
{
TriangulateCorner(el.v5, cell, el2.v5, neighbor, v5, nextNeighbor);
}
else
{
TriangulateCorner(v5, nextNeighbor, el.v5, cell, el2.v5, neighbor);
}
}
else if (neighbor.elevation <= nextNeighbor.elevation)
{
TriangulateCorner(el2.v5, neighbor, v5, nextNeighbor, el.v5, cell);
}
else
{
TriangulateCorner(v5, nextNeighbor, el.v5, cell, el2.v5, neighbor);
}
//AddTriangle(v2, v4, v5);
//AddTriangleColor(cell.color, neighbor.color, nextNeighbor.color);
}
}
