/// <summary>
/// Create an edge builder which builds the geometry for the given edge
/// </summary>
/// <param name="edge"></param>
/// <param name="roadLanes"></param>
/// <returns></returns>
protected virtual IHalfEdgeBuilder CreateHalfEdgeBuilder(HalfEdge <IVertexBuilder, IHalfEdgeBuilder, IFaceBuilder> edge, uint roadLanes)
{
Contract.Requires(edge != null);
Contract.Requires(HierarchicalParameters != null);
Contract.Ensures(Contract.Result <IHalfEdgeBuilder>() != null);
var road = HierarchicalParameters.RoadLaneWidth(Random);
var path = HierarchicalParameters.RoadSidewalkWidth(Random);
return(new HalfEdgeRoadBuilder(edge, road, path, roadLanes));
}
private void MaterializeMesh(Mesh <IVertexBuilder, IHalfEdgeBuilder, IFaceBuilder> mesh)
{
Contract.Requires(mesh != null);
//Generate default footpath data
HierarchicalParameters.RoadSidewalkHeight(Random);
HierarchicalParameters.RoadSidewalkWidth(Random);
HierarchicalParameters.RoadLaneWidth(Random);
HierarchicalParameters.RoadSidewalkMaterial(Random);
//Generate default building data
HierarchicalParameters.MaximumBuildingHeight(Random);
//Attach builders to each part of the topological mesh
foreach (var vertex in mesh.Vertices.Where(v => v.Tag == null))
{
vertex.Tag = CreateVertexBuilder(vertex);
}
foreach (var halfEdge in mesh.HalfEdges.Where(e => e.IsPrimaryEdge && e.Tag == null))
{
halfEdge.Tag = CreateHalfEdgeBuilder(halfEdge, RoadLanes(halfEdge));
}
foreach (var face in mesh.Faces.Where(f => f.Tag == null))
{
face.Tag = CreateFaceBuilder(face);
}
//Create junctions (appropriate shape for different widths of road)
foreach (var vertex in mesh.Vertices)
{
CreateJunction(Bounds.Height, vertex);
}
//Create roads (with appropriate widths)
foreach (var edge in mesh.HalfEdges.Where(e => e.IsPrimaryEdge))
{
CreateRoad(Bounds.Height, edge);
}
//Create blocks (with appropriate shapes for different road widths)
foreach (var face in mesh.Faces)
{
CreateBlock(Bounds.Height, face);
}
}
