/// <summary>
/// Builds shaded relief.
/// </summary>
/// <param name="surfacePoints">A 3D-coordinates defining source</param>
/// <param name="lightX">An X component of the light vector</param>
/// <param name="lightY">A Y component of the light vector</param>
/// <param name="lightZ">A Z component of the light vector</param>
/// <param name="zFactor">A value at which to multiply z-values for luminosity calculation</param>
/// <param name="luminosityLevelNumber">A number of resoluted luminosity levels</param>
/// <returns>An array containing lightened polygons</returns>
public LightenedPolygon[] BuildShadedRelief(IEnumerable <Coordinate3D> surfacePoints,
double lightX,
double lightY,
double lightZ,
double zFactor,
int luminosityLevelNumber)
{
List <ICoordinate> coords = new List <ICoordinate>();
foreach (Coordinate3D c in surfacePoints)
{
coords.Add(c);
}
VoronoiBuilder vb = new VoronoiBuilder();
VoronoiTesselation tesselation = vb.Build(coords, true);
return(BuildShadedRelief(tesselation.Triangles, lightX, lightY, lightZ, zFactor, luminosityLevelNumber));
}
public void Generate(int _type, float size, int _numberOfSites, float _mainRoadWidth, float _sideRoadWidth)
{
lStreets = new List <GameObject>();
siteGen = GetComponent <SiteGenerator>();
vBuilder = GetComponent <VoronoiBuilder>();
Ground.transform.localScale = new Vector3(size, 0.01f, size);
groundRad = size / 2f;
numberOfSites = _numberOfSites;
mainRoadWidth = _mainRoadWidth;
sideRoadWidth = _sideRoadWidth;
type = (GenerationType)_type;
List <Vector2> sites = new List <Vector2>();
switch (type)
{
case GenerationType.Orgnic:
sites = siteGen.GenerateRandom(new Vector2(Ground.transform.position.x, Ground.transform.position.z), groundRad, width, height, numberOfSites);
break;
case GenerationType.Circular:
sites = siteGen.GenerateCircular(height, width, groundRad, new Vector2(Ground.transform.position.x, Ground.transform.position.z), 3, numberOfSites);
break;
case GenerationType.Grid:
sites = siteGen.GenerateGrid(new Vector2(Ground.transform.position.x, Ground.transform.position.z), groundRad, 400, 400);
break;
default:
break;
}
List <Edge> vEdges = vBuilder.GenerateVoronoi(sites, new Vector2(Ground.transform.position.x, Ground.transform.position.z), groundRad);
int i = 0;
for (i = 0; i < vEdges.Count; i++)
{
// check to see if the curent edge is entirely out of the worldbound
if (CheckWholeEdge(vEdges[i]))
{
continue;
}
if (!CheckPositiontoWorldBounds(vEdges[i].start))
{
Vector2[] inter = EdgeToCircleIntersection(vEdges[i]);
float dis1 = Vector2.Distance(vEdges[i].start, inter[0]);
float dis2 = Vector2.Distance(vEdges[i].start, inter[1]);
if (dis1 < dis2)
{
vEdges[i].start = inter[0];
}
else
{
vEdges[i].start = inter[1];
}
}
if (!CheckPositiontoWorldBounds(vEdges[i].end))
{
Vector2[] inter = EdgeToCircleIntersection(vEdges[i]);
float dis1 = Vector2.Distance(vEdges[i].start, inter[0]);
float dis2 = Vector2.Distance(vEdges[i].start, inter[1]);
if (dis1 < dis2)
{
vEdges[i].end = inter[0];
}
else
{
vEdges[i].end = inter[1];
}
}
GameObject newMainRoad = Instantiate(mainRoadPF, new Vector3(vEdges[i].start.x, 0.1f, vEdges[i].start.y), Quaternion.identity);
newMainRoad.GetComponent <MeshBuilderVoronoi>().GenerateMesh(vEdges[i].start, vEdges[i].end, mainRoadWidth);
newMainRoad.transform.rotation = Quaternion.LookRotation(new Vector3(vEdges[i].ndir.x, 0, vEdges[i].ndir.y));
newMainRoad.name = vEdges[i].LR;
newMainRoad.GetComponent <AttachPoints>().CreateAttachPoints(Vector3.Distance(vEdges[i].start, vEdges[i].end), 5);
Vector2 midPoint = new Vector2((vEdges[i].start.x + vEdges[i].end.x) / 2, (vEdges[i].start.y + vEdges[i].end.y) / 2f);
Vector2 rotation = Vector2.Perpendicular(vEdges[i].ndir);
GameObject t = Instantiate(turtlePf, new Vector3(midPoint.x, 0.1f, midPoint.y), Quaternion.LookRotation(new Vector3(rotation.x, 0, rotation.y)));
TurtleController tc = t.GetComponent <TurtleController>();
tc.streeWidth = sideRoadWidth;
tc.startStreet = newMainRoad;
if (type == GenerationType.Circular)
{
float disToMid = Vector2.Distance(midPoint, Ground.transform.position);
float p = disToMid * 100 / groundRad;
int itt = 0;
if (p < 33.3f)
{
itt = 3;
}
else if (p < 66.6f)
{
itt = 2;
}
else
{
itt = 1;
}
tc.Generate(itt);
}
else
{
tc.Generate(1);
}
}
}
private Polyline[] buildIsolinesInternal(IEnumerable<Coordinate3D> surfacePoints, double[] zLevels, List<Triangle> triangles)
{
Polyline[] result = new Polyline[zLevels.Length];
if (zLevels.Length > 0)
{
double minZ = zLevels.Min();
double maxZ = zLevels.Max();
double surfaceMin = surfacePoints.Min(coord => coord.Z);
double surfaceMax = surfacePoints.Max(coord => coord.Z);
if (surfaceMin > maxZ || surfaceMax < minZ)
return result;
List<ICoordinate> coords = new List<ICoordinate>();
surfacePoints.ToList().ForEach(coord => coords.Add(coord));
// build tesselation
VoronoiBuilder vb = new VoronoiBuilder();
VoronoiTesselation tesselation = vb.Build(coords, true);
tesselation.Triangles.ToList().ForEach(t => triangles.Add(t));
vb = null;
tesselation = null;
Comparison<Triangle> comparision = delegate(Triangle t1, Triangle t2)
{
if (t1 == t2)
return 0;
double z11 = ((Coordinate3D)t1.Cell1.DataPoint).Z;
double z12 = ((Coordinate3D)t1.Cell2.DataPoint).Z;
double z13 = ((Coordinate3D)t1.Cell3.DataPoint).Z;
double z21 = ((Coordinate3D)t2.Cell1.DataPoint).Z;
double z22 = ((Coordinate3D)t2.Cell2.DataPoint).Z;
double z23 = ((Coordinate3D)t2.Cell3.DataPoint).Z;
double z1 = Math.Min(Math.Min(z11, z12), z13);
double z2 = Math.Min(Math.Min(z21, z22), z23);
if (z1 < z2) return -1;
if (z1 > z2) return 1;
return 0;
};
// sort triangles by minimal z-value
triangles.Sort(comparision);
for (int i = 0; i < zLevels.Length; i++)
{
if (zLevels[i] < surfaceMin)
{
result[i] = new Polyline();
continue;
}
result[i] = getIsoline(triangles, zLevels[i]);
}
}
return result;
}
private Polyline[] buildIsolinesInternal(IEnumerable <Coordinate3D> surfacePoints, double[] zLevels, List <Triangle> triangles)
{
Polyline[] result = new Polyline[zLevels.Length];
if (zLevels.Length > 0)
{
double minZ = zLevels.Min();
double maxZ = zLevels.Max();
double surfaceMin = surfacePoints.Min(coord => coord.Z);
double surfaceMax = surfacePoints.Max(coord => coord.Z);
if (surfaceMin > maxZ || surfaceMax < minZ)
{
return(result);
}
List <ICoordinate> coords = new List <ICoordinate>();
surfacePoints.ToList().ForEach(coord => coords.Add(coord));
// build tesselation
VoronoiBuilder vb = new VoronoiBuilder();
VoronoiTesselation tesselation = vb.Build(coords, true);
tesselation.Triangles.ToList().ForEach(t => triangles.Add(t));
vb = null;
tesselation = null;
Comparison <Triangle> comparision = delegate(Triangle t1, Triangle t2)
{
if (t1 == t2)
{
return(0);
}
double z11 = ((Coordinate3D)t1.Cell1.DataPoint).Z;
double z12 = ((Coordinate3D)t1.Cell2.DataPoint).Z;
double z13 = ((Coordinate3D)t1.Cell3.DataPoint).Z;
double z21 = ((Coordinate3D)t2.Cell1.DataPoint).Z;
double z22 = ((Coordinate3D)t2.Cell2.DataPoint).Z;
double z23 = ((Coordinate3D)t2.Cell3.DataPoint).Z;
double z1 = Math.Min(Math.Min(z11, z12), z13);
double z2 = Math.Min(Math.Min(z21, z22), z23);
if (z1 < z2)
{
return(-1);
}
if (z1 > z2)
{
return(1);
}
return(0);
};
// sort triangles by minimal z-value
triangles.Sort(comparision);
for (int i = 0; i < zLevels.Length; i++)
{
if (zLevels[i] < surfaceMin)
{
result[i] = new Polyline();
continue;
}
result[i] = getIsoline(triangles, zLevels[i]);
}
}
return(result);
}
/// <summary>
/// Builds shaded relief.
/// </summary>
/// <param name="surfacePoints">A 3D-coordinates defining source</param>
/// <param name="lightX">An X component of the light vector</param>
/// <param name="lightY">A Y component of the light vector</param>
/// <param name="lightZ">A Z component of the light vector</param>
/// <param name="zFactor">A value at which to multiply z-values for luminosity calculation</param>
/// <param name="luminosityLevelNumber">A number of resoluted luminosity levels</param>
/// <returns>An array containing lightened polygons</returns>
public LightenedPolygon[] BuildShadedRelief(IEnumerable<Coordinate3D> surfacePoints,
double lightX,
double lightY,
double lightZ,
double zFactor,
int luminosityLevelNumber)
{
List<ICoordinate> coords = new List<ICoordinate>();
foreach(Coordinate3D c in surfacePoints)
coords.Add(c);
VoronoiBuilder vb = new VoronoiBuilder();
VoronoiTesselation tesselation = vb.Build(coords, true);
return BuildShadedRelief(tesselation.Triangles, lightX, lightY, lightZ, zFactor, luminosityLevelNumber);
}
