public void Build(Polygon polygon, float height)
{
// make a mesh
var meshFilter = GetComponent<MeshFilter> ();
var basement = polygon.Vertices.ToArray();
basement = ShiftBasement (basement, -polygon.center);
meshFilter.mesh = MakeBuilding (basement, height);
}
void BuildHouse(Polygon polygon)
{
if (!polygon.valid)
return;
var position = PositionOnTerrain(polygon.center);
// intersection exists && position y is not minimal (not river)
if (position != null && position.Value.y > 0.1)
{
// instantiate a new building
GameObject b = Instantiate(buildingPrefab);
b.transform.parent = cityLocation.transform;
var builder = b.GetComponent<BuildingMesh>();
// build a building with specified parameters
builder.Build(polygon, polygon.height);
b.transform.position = position.Value;
}
}