// use the clipper library to return an offset to the given polygon. Positive offset expands the polygon, negative contracts
// note that this returns an array of polygons
public static NFP[] polygonOffsetDeepNest(NFP polygon, double offset)
{
if (offset == 0 || GeometryUtil._almostEqual(offset, 0))
{
return(new[] { polygon });
}
var p = svgToClipper(polygon).ToList();
var miterLimit = 4;
var co = new ClipperLib.ClipperOffset(miterLimit, Config.curveTolerance * Config.clipperScale);
co.AddPath(p.ToList(), ClipperLib.JoinType.jtMiter, ClipperLib.EndType.etClosedPolygon);
var newpaths = new List <List <ClipperLib.IntPoint> >();
co.Execute(ref newpaths, offset * Config.clipperScale);
var result = new List <NFP>();
for (var i = 0; i < newpaths.Count; i++)
{
result.Add(clipperToSvg(newpaths[i]));
}
return(result.ToArray());
}
public List <List <Vector3> > Offset(float amount, float height)
{
var orderedPoints = GetAllOrderedIntPoints();
var result = new List <List <Vector3> >();
foreach (var path in orderedPoints)
{
Debug.Log("New path");
foreach (var intpoint in path.Points)
{
Debug.Log("Ordered point: " + intpoint.X + ", " + intpoint.Y);
}
var co = new ClipperLib.ClipperOffset();
var endType = path.IsClosedLoop ? ClipperLib.EndType.etClosedLine : ClipperLib.EndType.etOpenSquare;
co.AddPath(path.Points, ClipperLib.JoinType.jtSquare, endType);
var results = new List <List <ClipperLib.IntPoint> >();
co.Execute(ref results, (int)(amount * 1000.0f));
result.AddRange(results.Select(
xs => xs.Select(
x => new Vector3((float)x.X / 1000.0f, height, (float)x.Y / 1000.0f)).ToList()));
}
return(result);
}
public List<List<IntPoint>> Run (List<List<IntPoint>> subject, double scale)
{
var clipperOffset = new ClipperOffset (miterLimit, arcTolerance);
clipperOffset.AddPaths (subject, joinType, endType);
var result = new List<List<IntPoint>> ();
clipperOffset.Execute (ref result, scale * delta);
return result;
}
public override List<List<IntPoint>> GetCopyOfClipperPolygon(double relativeWidth, List<List<IntPoint>> outerPolygon)
{
var delta = (-2 * relativeWidth) * ClosedSymbolBase.ClipperScalingInt;
var clipper = new ClipperOffset();
clipper.AddPaths(outerPolygon, JoinType.jtMiter, EndType.etClosedPolygon);
var result = new List<List<IntPoint>>();
clipper.Execute(ref result, delta);
return result;
}
//------------------------------------------------------------------------------
public static Paths OffsetPaths(Paths pp, double delta, JoinType jt, EndType et)
{
Paths result = new Paths();
ClipperOffset co = new ClipperOffset();
co.AddPaths(pp, jt, et);
co.Execute(ref result, delta);
return(result);
}
/// <summary>
/// 对一个点集路径进行偏移 需要注意 对于一个闭合路径 使用ClipperOffset 得到的结果，会有两个点集，第一个结果为外圈点集，第二结果为内圈点集
/// </summary>
public static List <List <IntPoint> > _GetOffsetPonts_clipper_Path(Path_xyz _Path_xyz_RedLine, double _offset)
{
Paths solution = new Paths();
ClipperOffset _Co = new ClipperOffset();//ClipperOffset构造函数。其包含可选参数
Path _Path_RedLine = Path_xyzToPath(_Path_xyz_RedLine);
_Co.AddPath(_Path_RedLine, JoinType.jtSquare, EndType.etClosedLine);
_offset = _offset * 1000; //放大倍数与clipper_methods中放大倍数保持一致
_Co.Execute(ref solution, _offset);
return(solution); //一根线偏移后，应该具有四个端点，为矩形
}
public static Polygons Offset(this Polygons polygons, double distance)
{
var offseter = new ClipperOffset();
offseter.AddPaths(polygons, JoinType.jtRound, EndType.etClosedPolygon);
var solution = new Polygons();
offseter.Execute(ref solution, distance);
return(solution);
}
public static bool GetPoint(Vector2[] quad, bool outter, out List<Vector2> list, bool isClose=true)
{
List<IntPoint> quadLines = new List<IntPoint>();
for(int i=0; i < quad.Length; i++){
Vector3 from = quad[i];
IntPoint to = new IntPoint(from.x * DrawHelper.ClipScalling, from.y * DrawHelper.ClipScalling);
quadLines.Add(to);
// IntPoint to = quad[i+1];
// to = new IntPoint(to.X * scale.X * scalling, to.Y * scale.Y * scalling);
// quadLines.Add(to);
}
EndType endType = EndType.etOpenButt;
if(isClose){
endType = EndType.etClosedPolygon;
}
//Debug.Log("endType: " + endType);
ClipperOffset co = new ClipperOffset();
co.AddPath(quadLines, JoinType.jtMiter, endType);
Paths solution = new Paths();
double delta = -DrawHelper.WallThick/2 * DrawHelper.ClipScalling;
if(outter){
delta = -delta;
}
co.MiterLimit = 8;
co.Execute(ref solution, delta);
list = new List<Vector2>();
if(solution.Count > 0){
foreach(IntPoint p in solution[0]){
Vector3 re = new Vector3(p.X * 1.0f/DrawHelper.ClipScalling, p.Y * 1.0f/DrawHelper.ClipScalling, 0f);
if(!isClose){
//Debug.Log("result: " + re);
}
list.Add(re);
}
list.Add(list[0]);
return Clipper.Orientation(solution[0]);
}
else{
Debug.LogError("no solution..");
}
return true;
}
public void assignNewBuildings(string data)
{
ClipperLib.ClipperOffset co = new ClipperLib.ClipperOffset();
InvisBuildingJsonRepsonse res = JsonUtility.FromJson <InvisBuildingJsonRepsonse>(data);
for (int i = 0; i < res.response.Length; ++i)
{
bool duplicate = false;
for (int j = 0; j < all_buildings.Count; ++j)
{
if (res.response[i].id == all_buildings[j].id)
{
duplicate = true;
}
}
if (!duplicate)
{
// invisible building and fade building
GameObject fb = Instantiate(Resources.Load("FadeBuilding"), new Vector3(0, 0, 0), Quaternion.identity) as GameObject;
fb.transform.SetParent(building_container);
List <ClipperLib.IntPoint> path = new List <ClipperLib.IntPoint>();
for (int k = 0; k < res.response[i].building.Length; k += 2)
{
path.Add(new ClipperLib.IntPoint(res.response[i].building[k] * prec, res.response[i].building[k + 1] * prec));
}
co.AddPath(path, ClipperLib.JoinType.jtRound, ClipperLib.EndType.etClosedPolygon);
List <List <ClipperLib.IntPoint> > l = new List <List <ClipperLib.IntPoint> >();
co.Execute(ref l, -smaller * prec);
co.Clear();
InvisBuildingJsonRepsonse_Building ibb = new InvisBuildingJsonRepsonse_Building();
ibb.startPoint = res.response[i].startPoint;
ibb.id = res.response[i].id;
ibb.building = new float[l[0].Count * 2];
//ibb.building =
for (int k = 0; k < l[0].Count; ++k)
{
ibb.building[k * 2] = l[0][k].X / prec;
ibb.building[k * 2 + 1] = l[0][k].Y / prec;
}
fb.GetComponent <InvisBuilding>().init(res.response[i], poi_handler);
all_buildings.Add(fb.GetComponent <InvisBuilding>());
}
}
}
/// <summary>
/// 使用clipper对 单根个线段进行偏移，其结果点集是一个矩形路径
/// </summary>
public static List <IntPoint> _GetOffsetPonts_clipper_line(Curve _curve, double _offset)
{
//拿出线段断点转化为 Intpont
XYZ _startPoint = _curve.GetEndPoint(0);
XYZ _endPoint = _curve.GetEndPoint(1);
Path_xyz _Path_xyz = new Path_xyz()
{
_startPoint, _endPoint
};
Path _Path = Path_xyzToPath(_Path_xyz);
Paths solution = new Paths();
//开展偏移工作
ClipperOffset _Co = new ClipperOffset();//ClipperOffset构造函数。其包含可选参数
_Co.AddPath(_Path, JoinType.jtSquare, EndType.etClosedLine);
_offset = _offset * _multiple; //放大倍数与clipper_methods中放大倍数保持一致
_Co.Execute(ref solution, _offset);
return(solution[0]); //一根线偏移后，应该具有四个端点，为矩形
}
public static NFP[] offset(NFP polygon, double offset, JoinType jType = JoinType.jtMiter, double clipperScale = 10000000, double curveTolerance = 0.72, double miterLimit = 4)
{
var p = ScaleUpPaths(polygon, clipperScale).ToList();
var co = new ClipperLib.ClipperOffset(miterLimit, curveTolerance * clipperScale);
co.AddPath(p.ToList(), jType, ClipperLib.EndType.etClosedPolygon);
var newpaths = new List <List <ClipperLib.IntPoint> >();
co.Execute(ref newpaths, offset * clipperScale);
var result = new List <NFP>();
for (var i = 0; i < newpaths.Count; i++)
{
result.Add(clipperToSvg(newpaths[i]));
}
return(result.ToArray());
}
public static PolygonSet offsetLineSquare(PolygonSet p, float d)
{
if (float.IsNaN(d)) { return p; }
ClipperOffset co = new ClipperOffset();
co.AddPaths(p, JoinType.jtSquare, EndType.etClosedPolygon);
PolygonSet solution = new PolygonSet();
co.Execute(ref solution, d);
return solution;
}
public void Offset(float offset)
{
Paths polygons = Clipper.ClosedPathsFromPolyTree(polyTree);
ClipperOffset co = new ClipperOffset();
co.ArcTolerance = scale * .0001f;
co.AddPaths(polygons, JoinType.jtRound, EndType.etClosedPolygon);
polyTree = new PolyTree();
Paths offsetPaths = new Paths();
co.Execute(ref offsetPaths, scale * offset);
offsetPaths = Clipper.CleanPolygons(offsetPaths, scale * .0001f);
polyTree = PolygonsToPolyTree(offsetPaths);
}
private PolyTreeEdgesRetained PrepairPolyTree(Collider2D[] floorColliders, Collider2D[] wallColliders)
{
if(floorColliders.Length == 0)
{
throw new System.Exception("No colliders in the scene on the floor layer.");
}
PolyTreeEdgesRetained TreeAndEdges = new PolyTreeEdgesRetained();
TreeAndEdges.Edges = new List<List<IntPoint>>();
TreeAndEdges.Tree = new PolyTree();
Clipper finalClipper = new Clipper();
if (floorColliders.Length > 0)
{
Clipper tempC = new Clipper();
ClipperOffset tempCo = new ClipperOffset();
foreach (Collider2D d in floorColliders)
{
List<IntPoint> p = PolygonFromCollider2D(d, false);
if (p != null && p.Count != 0)
{
if (ClipperLib.Clipper.Orientation(p))
p.Reverse();
tempC.AddPath(p, PolyType.ptSubject, true);
}
}
List<List<IntPoint>> solution = new List<List<IntPoint>>();
tempC.Execute(ClipType.ctUnion, solution, PolyFillType.pftNonZero, PolyFillType.pftNonZero);
tempC.Clear();
foreach (List<IntPoint> intPoints in solution)
{
tempCo.AddPath(intPoints, (JoinType)GenerationInformation.JoinType, EndType.etClosedPolygon);
TreeAndEdges.Edges.Add(intPoints);
}
solution.Clear();
tempCo.Execute(ref solution, -GenerationInformation.ColliderPadding * GenerationInformation.CalculationScaleFactor);
finalClipper.AddPaths(solution, PolyType.ptSubject, true);
}
if(wallColliders.Length > 0)
{
Clipper tempC = new Clipper();
ClipperOffset tempCo = new ClipperOffset();
foreach (Collider2D d in wallColliders)
{
List<IntPoint> p = PolygonFromCollider2D(d, false);
if (p != null && p.Count != 0)
{
if (ClipperLib.Clipper.Orientation(p))
p.Reverse();
tempC.AddPath(p, PolyType.ptSubject, true);
}
}
List<List<IntPoint>> solution = new List<List<IntPoint>>();
tempC.Execute(ClipType.ctUnion, solution, PolyFillType.pftNonZero, PolyFillType.pftNonZero);
tempC.Clear();
foreach (List<IntPoint> intPoints in solution)
{
tempCo.AddPath(intPoints, (JoinType)GenerationInformation.JoinType, EndType.etClosedPolygon);
TreeAndEdges.Edges.Add(intPoints);
}
solution.Clear();
tempCo.Execute(ref solution, GenerationInformation.ColliderPadding * GenerationInformation.CalculationScaleFactor);
finalClipper.AddPaths(solution, PolyType.ptClip, true);
}
finalClipper.Execute(ClipType.ctDifference, TreeAndEdges.Tree, PolyFillType.pftPositive, PolyFillType.pftEvenOdd);
return TreeAndEdges;
}
public static PolygonSet offsetLineRound(Polygon p, float d)
{
if (float.IsNaN(d)) { return new List<List<IntPoint>>() {p}; }
ClipperOffset co = new ClipperOffset();
co.AddPath(p, JoinType.jtRound, EndType.etClosedPolygon);
PolygonSet solution = new PolygonSet();
co.Execute(ref solution, d);
return solution;
}
public void CreateSideWalks(List<GameObject> streetWeb, List<List<Vector3>> streetsPoly)
{
List<GameObject> sideWalks = new List<GameObject>();
for (int i = 0; i < streetWeb.Count; i++)
{
GameObject sideWalk = new GameObject("sideWalk", typeof(MeshRenderer), typeof(MeshFilter));
sideWalk.transform.parent = this.transform;
sideWalk.GetComponent<MeshRenderer>().material = (Material)Resources.Load("SideWalkMat");
List<List<IntPoint>> solution = new List<List<IntPoint>>();
//transform vertices of each mesh in points for clipper
//List<IntPoint> intPoint = FromVecToIntPoint(streetWeb[i].GetComponent<MeshFilter>().sharedMesh.vertices);
List<IntPoint> intPoint = FromVecToIntPoint(streetsPoly[i].ToArray());
//offset each mesh
ClipperOffset co = new ClipperOffset();
co.AddPath(intPoint, JoinType.jtRound, EndType.etOpenRound);
co.Execute(ref solution, 1000.0);
List<Vector2> vertices2D = new List<Vector2>();
for (int j = 0; j < solution.Count; j++)
{
vertices2D = vertices2D.Concat(FromIntPointToVec(solution[j])).ToList();
}
// Use the triangulator to get indices for creating triangles
Triangulator tr = new Triangulator(vertices2D.ToArray());
int[] indices = tr.Triangulate();
// Create the Vector3 vertices
Vector3[] vertices = new Vector3[vertices2D.Count];
for (int k = 0; k < vertices.Length; k++)
{
vertices[k] = new Vector3(vertices2D[k].x, 0f, vertices2D[k].y);
}
// Create the mesh
Mesh msh = new Mesh();
msh.vertices = vertices;
msh.triangles = indices;
msh.RecalculateNormals();
msh.RecalculateBounds();
// Set up game object with mesh;
sideWalk.GetComponent<MeshFilter>().mesh = msh;
sideWalks.Add(sideWalk);
}
//foreach intersectionCluster unify streets and sidewalks and subtract
int swNumber = 1;
foreach (HashSet<int> cluster in intersectionClusters)
{
Mesh newMesh = Subtract(UnifyPolygons(sideWalks, "sidewalks", cluster), UnifyPolygons(streetWeb, "streets", cluster));
//build 3D sidewalk
List<GameObject> objs = new List<GameObject>();
GameObject sub = new GameObject("unifiedSideWalks", typeof(MeshFilter), typeof(MeshRenderer));
sub.transform.parent = this.transform;
sub.GetComponent<MeshRenderer>().material = (Material)Resources.Load("SideWalkMat");
sub.GetComponent<MeshFilter>().mesh = newMesh;
objs.Add(sub);
GameObject sub1 = new GameObject("unifiedSideWalks", typeof(MeshFilter), typeof(MeshRenderer));
sub1.transform.parent = this.transform;
sub1.GetComponent<MeshRenderer>().material = (Material)Resources.Load("SideWalkMat");
sub1.GetComponent<MeshFilter>().mesh = newMesh;
sub1.transform.position = new Vector3(0f, 0.2f, 0f);
objs.Add(sub1);
GameObject sidewalk = new GameObject("sidewalk", typeof(MeshFilter), typeof(MeshRenderer));
sidewalk.transform.parent = this.transform;
sidewalk.GetComponent<MeshRenderer>().material = (Material)Resources.Load("SideWalkMat");
sidewalk.GetComponent<MeshFilter>().sharedMesh = MeshOps.CreateSolid(newMesh, 0.15f);
objs.Add(sidewalk);
UnifyAndClearMesh(objs, "sideWalk" + swNumber, (Material)Resources.Load("SideWalkMat"));
swNumber += 1;
}
foreach (GameObject sw in sideWalks)
DestroyImmediate(sw.gameObject);
}
//---------------------------------------------------------------------------
private void DrawBitmap(bool justClip = false)
{
Cursor.Current = Cursors.WaitCursor;
try
{
if (!justClip)
{
if (rbTest2.Checked)
GenerateAustPlusRandomEllipses((int)nudCount.Value);
else
GenerateRandomPolygon((int)nudCount.Value);
}
using (Graphics newgraphic = Graphics.FromImage(mybitmap))
using (GraphicsPath path = new GraphicsPath())
{
newgraphic.SmoothingMode = SmoothingMode.AntiAlias;
newgraphic.Clear(Color.White);
if (rbNonZero.Checked)
path.FillMode = FillMode.Winding;
//draw subjects ...
foreach (Polygon pg in subjects)
{
PointF[] pts = PolygonToPointFArray(pg, scale);
path.AddPolygon(pts);
pts = null;
}
using (Pen myPen = new Pen(Color.FromArgb(196, 0xC3, 0xC9, 0xCF), (float)0.6))
using (SolidBrush myBrush = new SolidBrush(Color.FromArgb(127, 0xDD, 0xDD, 0xF0)))
{
newgraphic.FillPath(myBrush, path);
newgraphic.DrawPath(myPen, path);
path.Reset();
//draw clips ...
if (rbNonZero.Checked)
path.FillMode = FillMode.Winding;
foreach (Polygon pg in clips)
{
PointF[] pts = PolygonToPointFArray(pg, scale);
path.AddPolygon(pts);
pts = null;
}
myPen.Color = Color.FromArgb(196, 0xF9, 0xBE, 0xA6);
myBrush.Color = Color.FromArgb(127, 0xFF, 0xE0, 0xE0);
newgraphic.FillPath(myBrush, path);
newgraphic.DrawPath(myPen, path);
//do the clipping ...
if ((clips.Count > 0 || subjects.Count > 0) && !rbNone.Checked)
{
Polygons solution2 = new Polygons();
Clipper c = new Clipper();
c.AddPaths(subjects, PolyType.ptSubject, true);
c.AddPaths(clips, PolyType.ptClip, true);
solution.Clear();
#if UsePolyTree
bool succeeded = c.Execute(GetClipType(), solutionTree, GetPolyFillType(), GetPolyFillType());
//nb: we aren't doing anything useful here with solutionTree except to show
//that it works. Convert PolyTree back to Polygons structure ...
Clipper.PolyTreeToPolygons(solutionTree, solution);
#else
bool succeeded = c.Execute(GetClipType(), solution, GetPolyFillType(), GetPolyFillType());
#endif
if (succeeded)
{
//SaveToFile("solution", solution);
myBrush.Color = Color.Black;
path.Reset();
//It really shouldn't matter what FillMode is used for solution
//polygons because none of the solution polygons overlap.
//However, FillMode.Winding will show any orientation errors where
//holes will be stroked (outlined) correctly but filled incorrectly ...
path.FillMode = FillMode.Winding;
//or for something fancy ...
if (nudOffset.Value != 0)
{
ClipperOffset co = new ClipperOffset();
co.AddPaths(solution, JoinType.jtRound, EndType.etClosedPolygon);
co.Execute(ref solution2, (double)nudOffset.Value * scale);
}
else
solution2 = new Polygons(solution);
foreach (Polygon pg in solution2)
{
PointF[] pts = PolygonToPointFArray(pg, scale);
if (pts.Count() > 2)
path.AddPolygon(pts);
pts = null;
}
myBrush.Color = Color.FromArgb(127, 0x66, 0xEF, 0x7F);
myPen.Color = Color.FromArgb(255, 0, 0x33, 0);
myPen.Width = 1.0f;
newgraphic.FillPath(myBrush, path);
newgraphic.DrawPath(myPen, path);
//now do some fancy testing ...
using (Font f = new Font("Arial", 8))
using (SolidBrush b = new SolidBrush(Color.Navy))
{
double subj_area = 0, clip_area = 0, int_area = 0, union_area = 0;
c.Clear();
c.AddPaths(subjects, PolyType.ptSubject, true);
c.Execute(ClipType.ctUnion, solution2, GetPolyFillType(), GetPolyFillType());
foreach (Polygon pg in solution2)
subj_area += Clipper.Area(pg);
c.Clear();
c.AddPaths(clips, PolyType.ptClip, true);
c.Execute(ClipType.ctUnion, solution2, GetPolyFillType(), GetPolyFillType());
foreach (Polygon pg in solution2)
clip_area += Clipper.Area(pg);
c.AddPaths(subjects, PolyType.ptSubject, true);
c.Execute(ClipType.ctIntersection, solution2, GetPolyFillType(), GetPolyFillType());
foreach (Polygon pg in solution2)
int_area += Clipper.Area(pg);
c.Execute(ClipType.ctUnion, solution2, GetPolyFillType(), GetPolyFillType());
foreach (Polygon pg in solution2)
union_area += Clipper.Area(pg);
using (StringFormat lftStringFormat = new StringFormat())
using (StringFormat rtStringFormat = new StringFormat())
{
lftStringFormat.Alignment = StringAlignment.Near;
lftStringFormat.LineAlignment = StringAlignment.Near;
rtStringFormat.Alignment = StringAlignment.Far;
rtStringFormat.LineAlignment = StringAlignment.Near;
Rectangle rec = new Rectangle(pictureBox1.ClientSize.Width - 108,
pictureBox1.ClientSize.Height - 116, 104, 106);
newgraphic.FillRectangle(new SolidBrush(Color.FromArgb(196, Color.WhiteSmoke)), rec);
newgraphic.DrawRectangle(myPen, rec);
rec.Inflate(new Size(-2, 0));
newgraphic.DrawString("Areas", f, b, rec, rtStringFormat);
rec.Offset(new Point(0, 14));
newgraphic.DrawString("subj: ", f, b, rec, lftStringFormat);
newgraphic.DrawString((subj_area / 100000).ToString("0,0"), f, b, rec, rtStringFormat);
rec.Offset(new Point(0, 12));
newgraphic.DrawString("clip: ", f, b, rec, lftStringFormat);
newgraphic.DrawString((clip_area / 100000).ToString("0,0"), f, b, rec, rtStringFormat);
rec.Offset(new Point(0, 12));
newgraphic.DrawString("intersect: ", f, b, rec, lftStringFormat);
newgraphic.DrawString((int_area / 100000).ToString("0,0"), f, b, rec, rtStringFormat);
rec.Offset(new Point(0, 12));
newgraphic.DrawString("---------", f, b, rec, rtStringFormat);
rec.Offset(new Point(0, 10));
newgraphic.DrawString("s + c - i: ", f, b, rec, lftStringFormat);
newgraphic.DrawString(((subj_area + clip_area - int_area) / 100000).ToString("0,0"), f, b, rec, rtStringFormat);
rec.Offset(new Point(0, 10));
newgraphic.DrawString("---------", f, b, rec, rtStringFormat);
rec.Offset(new Point(0, 10));
newgraphic.DrawString("union: ", f, b, rec, lftStringFormat);
newgraphic.DrawString((union_area / 100000).ToString("0,0"), f, b, rec, rtStringFormat);
rec.Offset(new Point(0, 10));
newgraphic.DrawString("---------", f, b, rec, rtStringFormat);
}
}
} //end if succeeded
} //end if something to clip
pictureBox1.Image = mybitmap;
}
}
}
finally
{
Cursor.Current = Cursors.Default;
}
}
public List<GameObject> CreateStreets(List<List<Vector3>> streetsPoly)
{
List<GameObject> streets = new List<GameObject>();
for (int i = 0; i < streetsPoly.Count; i++)
{
GameObject street = new GameObject("street" + i, typeof(MeshRenderer), typeof(MeshFilter));
street.transform.parent = this.transform;
street.GetComponent<MeshRenderer>().material = (Material)Resources.Load("StreetMat");
List<List<IntPoint>> solution = new List<List<IntPoint>>();
//transform vertices of each mesh in points for clipper
List<IntPoint> intPoint = FromVecToIntPoint(streetsPoly[i].ToArray());
//offset each mesh
ClipperOffset co = new ClipperOffset();
co.AddPath(intPoint, JoinType.jtRound, EndType.etOpenRound);
co.Execute(ref solution, 700.0);
List<Vector2> vertices2D = new List<Vector2>();
for (int j = 0; j < solution.Count; j++)
{
vertices2D = vertices2D.Concat(FromIntPointToVec(solution[j])).ToList();
}
// Use the triangulator to get indices for creating triangles
Triangulator tr = new Triangulator(vertices2D.ToArray());
int[] indices = tr.Triangulate();
// Create the Vector3 vertices
Vector3[] vertices = new Vector3[vertices2D.Count];
for (int k = 0; k < vertices.Length; k++)
{
vertices[k] = new Vector3(vertices2D[k].x, 0f, vertices2D[k].y);
}
// Create the mesh
Mesh msh = new Mesh();
msh.vertices = vertices;
msh.triangles = indices;
msh.RecalculateNormals();
msh.RecalculateBounds();
// Set up game object with mesh;
street.GetComponent<MeshFilter>().mesh = msh;
street.AddComponent<MeshCollider>();
street.transform.position = new Vector3(street.transform.position.x, 0.02f, street.transform.position.z);
streets.Add(street);
}
DrawStreetLineMesh(streetsPoly, streets);
return streets;
}
//static GameObject CreateBaseMeshFromColl(LevelBase l, Transform, LevelShape[] s)
//{
//}
public void CreateForLine(List<Vector2> vecs, float thickness)
{
float factor = 100;
ClipperOffset off = new ClipperOffset();
Clipper c = new Clipper();
for (int i = 1; i < vecs.Count; i++)
{
Vector2 start = vecs[i - 1];
Vector2 end = vecs[i];
List<List<IntPoint>> sol = new List<List<IntPoint>>();
List<IntPoint> l = new List<IntPoint>() {
new IntPoint((int)(start.x * factor), (int)(start.y * factor)),
new IntPoint((int)(end.x * factor), (int)(end.y * factor)) };
off.AddPath(l, JoinType.jtSquare, EndType.etOpenSquare);
off.Execute(ref sol, thickness);
c.AddPaths(sol, PolyType.ptSubject, true);
}
List<List<IntPoint>> polys = new List<List<IntPoint>>();
c.Execute(ClipType.ctUnion, polys);
//off.AddPath()
}
/// <summary>
/// Create a slice from an open path with the given width
/// </summary>
/// <param name="path"></param>
/// <param name="width"></param>
/// <param name="plane"></param>
public Slice(LineStrip path, float width, Plane plane, bool closed = false)
{
this.plane = plane;
transform = plane.CreateMatrix();
transform = Matrix4.Mult(transform, Matrix4.CreateScale(scale));
inverseTransform = Matrix4.Invert(transform);
polyTree = new PolyTree();
ClipperOffset co = new ClipperOffset();
co.ArcTolerance = scale * 0.0001f;
if (closed)
{
co.AddPath(LineStripToPolygon(path), JoinType.jtRound, EndType.etClosedLine);
}
else
{
co.AddPath(LineStripToPolygon(path), JoinType.jtRound, EndType.etOpenRound);
}
co.Execute(ref this.polyTree, scale * width / 2.0f);
}
private PolyTree Offset(PolyTree input, double delta)
{
var clipperOffset = new ClipperOffset();
for (var currentNode = input.GetFirst(); currentNode != null; currentNode = currentNode.GetNext()) {
clipperOffset.AddPath(currentNode.Contour, JoinType.jtMiter, EndType.etClosedPolygon);
}
var result = new PolyTree();
clipperOffset.Execute(ref result, delta);
return result;
}
public void DrawSegment(List<Vector3> segment, List<Mesh> intersectionPolys, List<GameObject> lines)
{
List<List<IntPoint>> solution = new List<List<IntPoint>>();
//transform vertices of each mesh in points for clipper
List<IntPoint> intPoint = FromVecToIntPoint(segment.ToArray());
//offset each mesh
ClipperOffset co = new ClipperOffset();
co.AddPath(intPoint, JoinType.jtRound, EndType.etOpenRound);
co.Execute(ref solution, 100.0);
List<Vector2> vertices2D = new List<Vector2>();
for (int j = 0; j < solution.Count; j++)
{
vertices2D = vertices2D.Concat(FromIntPointToVec(solution[j])).ToList();
}
// Use the triangulator to get indices for creating triangles
Triangulator tr = new Triangulator(vertices2D.ToArray());
int[] indices = tr.Triangulate();
// Create the Vector3 vertices
Vector3[] vertices = new Vector3[vertices2D.Count];
for (int k = 0; k < vertices.Length; k++)
{
vertices[k] = new Vector3(vertices2D[k].x, 0f, vertices2D[k].y);
}
// Create the mesh
Mesh msh = new Mesh();
msh.vertices = vertices;
msh.triangles = indices;
msh.RecalculateNormals();
msh.RecalculateBounds();
Mesh newMesh = ExecuteMultiDifferencePoly(msh, intersectionPolys);
GameObject lineSegment = new GameObject("segment", typeof(MeshFilter), typeof(MeshRenderer));
lineSegment.GetComponent<MeshFilter>().sharedMesh = newMesh;
lines.Add(lineSegment);
}
public List<List<Vector3>> Offset(float amount, float height)
{
var orderedPoints = GetAllOrderedIntPoints();
var result = new List<List<Vector3>>();
foreach (var path in orderedPoints)
{
Debug.Log("New path");
foreach (var intpoint in path.Points)
{
Debug.Log("Ordered point: " + intpoint.X + ", " + intpoint.Y);
}
var co = new ClipperLib.ClipperOffset();
var endType = path.IsClosedLoop ? ClipperLib.EndType.etClosedLine : ClipperLib.EndType.etOpenSquare;
co.AddPath(path.Points, ClipperLib.JoinType.jtSquare, endType);
var results = new List<List<ClipperLib.IntPoint>>();
co.Execute(ref results, (int)(amount * 1000.0f));
result.AddRange(results.Select(
xs => xs.Select(
x => new Vector3((float)x.X / 1000.0f, height, (float)x.Y / 1000.0f)).ToList()));
}
return result;
}
private void RecalculateVertices()
{
if (points.Count < 2)
{
return;
}
vertexPositionColorArray = null;
var lineColor = Color.Red;
#region clipper
List<IntPoint> clipperPath = new List<IntPoint>(points.Count);
foreach (var point in points)
{
clipperPath.Add(new IntPoint(point.X * ClipperScale, point.Y * ClipperScale));
}
List<List<IntPoint>> clipperSolution = new List<List<IntPoint>>();
ClipperOffset clipperOffset = new ClipperOffset();
clipperOffset.AddPath(clipperPath, JoinType.jtRound, EndType.etOpenRound);
clipperOffset.Execute(ref clipperSolution, lineThickness / 2.0f * ClipperScale);
#endregion
#region triangle.net
InputGeometry InputGeometry = new InputGeometry();
Mesh TriangleMesh = new Mesh();
for (int iii = 0; iii < clipperSolution.Count; iii++)
{
var trianglePath = clipperSolution[iii].Select(p => new TrianglePoint(p.X / (float)ClipperScale, p.Y / (float)ClipperScale)).ToList();
if (iii == 0)
{
InputGeometry.AddRing(trianglePath);
}
else
{
InputGeometry.AddRingAsHole(trianglePath);
}
}
#endregion
if (InputGeometry.Count > 0)
{
TriangleMesh.Triangulate(InputGeometry);
vertexPositionColorArray = TriangleMesh.GetTriangleList().Select(v => new VertexPositionColor(new Vector3((float)v.X, (float)v.Y, 0.0f), lineColor)).ToArray();
vertexBuffer = new VertexBuffer(GraphicsDevice, VertexPositionColor.VertexDeclaration, vertexPositionColorArray.Length, BufferUsage.WriteOnly);
vertexBuffer.SetData<VertexPositionColor>(vertexPositionColorArray);
}
}
private void AddCharacterMeshes(string currentText, TypeFacePrinter printer)
{
int newIndex = asyncMeshGroups.Count;
StyledTypeFace typeFace = printer.TypeFaceStyle;
for (int i = 0; i < currentText.Length; i++)
{
string letter = currentText[i].ToString();
TypeFacePrinter letterPrinter = new TypeFacePrinter(letter, typeFace);
if (CharacterHasMesh(letterPrinter, letter))
{
#if true
Mesh textMesh = VertexSourceToMesh.Extrude(letterPrinter, unscaledLetterHeight / 2);
#else
Mesh textMesh = VertexSourceToMesh.Extrude(letterPrinter, unscaledLetterHeight / 2);
// this is the code to make rounded tops
// convert the letterPrinter to clipper polygons
List<List<IntPoint>> insetPoly = VertexSourceToPolygon.CreatePolygons(letterPrinter);
// inset them
ClipperOffset clipper = new ClipperOffset();
clipper.AddPaths(insetPoly, JoinType.jtMiter, EndType.etClosedPolygon);
List<List<IntPoint>> solution = new List<List<IntPoint>>();
clipper.Execute(solution, 5.0);
// convert them back into a vertex source
// merge both the inset and original vertex sources together
// convert the new vertex source into a mesh (triangulate them)
// offset the inner loop in z
// create the polygons from the inner loop to a center point so that there is the rest of an approximation of the bubble
// make the mesh for the bottom
// add the top and bottom together
// done
#endif
asyncMeshGroups.Add(new MeshGroup(textMesh));
PlatingMeshGroupData newMeshInfo = new PlatingMeshGroupData();
newMeshInfo.spacing = printer.GetOffsetLeftOfCharacterIndex(i);
asyncPlatingDatas.Add(newMeshInfo);
asyncMeshGroupTransforms.Add(Matrix4X4.Identity);
PlatingHelper.CreateITraceableForMeshGroup(asyncPlatingDatas, asyncMeshGroups, newIndex, null);
asyncMeshGroupTransforms[newIndex] *= Matrix4X4.CreateTranslation(new Vector3(0, 0, unscaledLetterHeight / 2));
newIndex++;
}
processingProgressControl.PercentComplete = ((i + 1) * 95 / currentText.Length);
}
}
List<List<IntPoint>> Offset(List<List<IntPoint>> polygons, double delta)
{
var result = new List<List<IntPoint>>();
var clipper = new ClipperOffset();
clipper.AddPaths(polygons, JoinType.jtSquare, EndType.etClosedPolygon);
clipper.Execute(ref result, delta);
return result;
}
public static Polygons Offset(this Polygons polygons, long distance)
{
ClipperOffset offseter = new ClipperOffset();
offseter.AddPaths(polygons, JoinType.jtMiter, EndType.etClosedPolygon);
Paths solution = new Polygons();
offseter.Execute(ref solution, distance);
return solution;
}
/// <summary>
/// Offsets the specified polylines.
/// </summary>
/// <param name="polylines">A list of polylines</param>
/// <param name="openFilletType">Optional: line endtype (Butt, Square, Round)</param>
/// <param name="closedFilltetType">Optional: join type: Round, Miter (uses miter parameter) or Square</param>
/// <param name="plane">Plane to project the polylines to</param>
/// <param name="tolerance">Tolerance: Cutoff point. Eg. point {1.245; 9.244351; 19.3214} with precision {0.1} will be cut
/// off to {1.2; 9.2; 19.3}.</param>
/// <param name="distance">Distances to offset set of shapes.</param>
/// <param name="miter">Miter deterimines how long narrow spikes can become before they are cut off: A miter setting of 2
/// means not longer than 2 times the offset distance. A miter of 25 will give big spikes.</param>
/// <param name="arcTolerance">The arc tolerance.</param>
/// <param name="outContour">The out contour.</param>
/// <param name="outHoles">The out holes.</param>
public static void Offset(IEnumerable <Polyline> polylines, List <OpenFilletType> openFilletType,
List <ClosedFilletType> closedFilltetType, Plane plane, double tolerance, IEnumerable <double> distance,
double miter, double arcTolerance, out List <List <Polyline> > outContour, out List <List <Polyline> > outHoles, EndType endType = default)
{
outContour = new List <List <Polyline> >();
outHoles = new List <List <Polyline> >();
/*
* iEndType: How to handle open ended polygons.
* Open Closed
* etOpenSquare etClosedLine (fill inside & outside)
* etOpenRound etClosedPolygon (fill outside only)
* etOpenButt
*
* See: http://www.angusj.com/delphi/clipper/documentation/Docs/Units/ClipperLib/Types/EndType.htm
*/
/*
* jtJoinType
* How to fill angles of closed polygons
* jtRound: Round
* jtMiter: Square with variable distance
* jtSquare: Square with fixed distance (jtMiter = 1)
*/
var cOffset = new ClipperOffset(miter, arcTolerance);
var i = 0;
foreach (var pl in polylines)
{
var et = EndType.etOpenButt;
var jt = JoinType.jtSquare;
if (pl.IsClosed)
{
et = EndType.etClosedLine;
}
else if (openFilletType.Count != 0)
{
var oft = IndexOrLast(openFilletType, i);
switch (oft)
{
case OpenFilletType.Butt:
et = EndType.etOpenButt;
break;
case OpenFilletType.Round:
et = EndType.etOpenRound;
break;
case OpenFilletType.Square:
et = EndType.etOpenSquare;
break;
}
}
else
{
et = EndType.etOpenButt;
}
if (closedFilltetType.Count != 0)
{
var cft = IndexOrLast(closedFilltetType, i);
switch (cft)
{
case ClosedFilletType.Miter:
jt = JoinType.jtMiter;
break;
case ClosedFilletType.Round:
jt = JoinType.jtRound;
break;
case ClosedFilletType.Square:
jt = JoinType.jtSquare;
break;
}
}
else
{
jt = JoinType.jtSquare;
}
if (endType != default)
{
et = endType;
}
cOffset.AddPath(pl.ToPath2D(plane, tolerance), jt, et);
i++;
}
foreach (var offsetDistance in distance)
{
var tree = new PolyTree();
cOffset.Execute(ref tree, offsetDistance / tolerance);
var holes = new List <Polyline>();
var contours = new List <Polyline>();
foreach (var path in tree.Iterate())
{
if (path.Contour.Count == 0)
{
continue;
}
Polyline polyline = path.Contour.ToPolyline(plane, tolerance, !path.IsOpen);
if (path.IsHole)
{
holes.Add(polyline);
}
else
{
contours.Add(polyline);
}
}
outContour.Add(contours);
outHoles.Add(holes);
}
}