static private Slice2D SliceWithTwoHoles(Polygon polygon, List <Vector2f> slice, List <Vector2f> collisionSlice)
{
Slice2D result = Slice2D.Create();
Polygon polyA = new Polygon();
Polygon polyB = new Polygon(polygon.pointsList);
Polygon holeA = polygon.PointInHole(slice.First());
Polygon holeB = polygon.PointInHole(slice.Last());
if (holeA == null || holeB == null)
{
Debug.LogError("Slicer2D: ERROR Split"); // Shouldn't really happen
return(result);
}
List <Vector2f> pointsA = VectorList2f.GetListStartingIntersectSlice(holeA.pointsList, slice);
List <Vector2f> pointsB = VectorList2f.GetListStartingIntersectSlice(holeB.pointsList, slice);
polyA.AddPoints(pointsA);
if (collisionSlice.Count > 0)
{
if (Vector2f.Distance(pointsA.Last(), collisionSlice.Last()) < Vector2f.Distance(pointsA.Last(), collisionSlice.First()))
{
collisionSlice.Reverse();
}
polyA.AddPoints(collisionSlice);
}
polyA.AddPoints(pointsB);
if (collisionSlice.Count > 0)
{
collisionSlice.Reverse();
polyA.AddPoints(collisionSlice);
}
foreach (Polygon poly in polygon.holesList)
{
if (poly != holeA && poly != holeB)
{
polyB.AddHole(poly);
}
}
polyB.AddHole(polyA);
result.AddPolygon(polyB);
return(result);
}
protected override Polygon GetPolygon()
{
Polygon poly = new Polygon(GetPoints());
if (thickness > 1)
{
List <PolygonPoint> points = GetPoints();
Vector2 center = GetCentroid(points);
float[] angles = { TriangleHelper2D.AngleA(a, b, c), TriangleHelper2D.AngleB(a, b, c), TriangleHelper2D.AngleC(a, b, c) };
int count = points.Count;
for (int i = count; --i >= 0;)
{
PolygonPoint point = points[i];
double vecX = center.X - point.X;
double vecY = center.Y - point.Y;
double invLen = 1d / Math.Sqrt((vecX * vecX) + (vecY * vecY));
vecX = vecX * invLen;
vecY = vecY * invLen;
float ratio = 1 - (angles[i] / 180);
float angleThickness = ratio * thickness;
point.X += vecX * angleThickness;
point.Y += vecY * angleThickness;
}
Polygon hole = new Polygon(points);
poly.AddHole(hole);
}
return(poly);
}
internal static Polygon ToP2TPolygon(this PolygonShape p_polygon, List <PolygonShape> p_holes = null)
{
if (p_polygon != null && p_polygon.Vertices.Count > 2)
{
List <PolygonPoint> v_P2TPoints = new List <PolygonPoint>();
foreach (var v_vertice in p_polygon.Vertices)
{
v_P2TPoints.Add(new PolygonPoint(v_vertice.x, v_vertice.y));
}
Polygon v_P2TPolygon = new Polygon(v_P2TPoints);
if (p_holes != null)
{
foreach (var v_hole in p_holes)
{
if (v_hole != null)
{
var v_P2THole = ToP2TPolygon(v_hole);
if (v_P2THole != null)
{
v_P2TPolygon.AddHole(v_P2THole);
}
}
}
}
return(v_P2TPolygon);
}
return(null);
}
static private Polygon CreateFromPolygonCollider(PolygonCollider2D polygonCollider)
{
Polygon newPolygon = new Polygon();
if (polygonCollider != null)
{
foreach (Vector2 p in polygonCollider.GetPath(0))
{
newPolygon.AddPoint(p + polygonCollider.offset);
}
for (int i = 1; i < polygonCollider.pathCount; i++)
{
Polygon hole = new Polygon();
foreach (Vector2 p in polygonCollider.GetPath(i))
{
hole.AddPoint(p + polygonCollider.offset);
}
if (newPolygon.PolyInPoly(hole) == true)
{
newPolygon.AddHole(hole);
}
else
{
Debug.LogError("Path is not a hole");
}
}
}
return(newPolygon);
}
/// <summary>
/// Given a set of points ordered counter-clockwise along a contour and a set of holes, return triangle indexes.
/// </summary>
/// <param name="points"></param>
/// <param name="holes"></param>
/// <param name="indexes">Indices outside of the points list index into holes when layed out linearly.
/// {vertices 0,1,2...vertices.length-1, holes 0 values, hole 1 values etc.} </param>
/// <returns></returns>
public static bool Triangulate(IList <Vector2> points, IList <IList <Vector2> > holes, out List <int> indexes)
{
indexes = new List <int>();
int index = 0;
var allPoints = new List <Vector2>(points);
Polygon polygon = new Polygon(points.Select(x => new PolygonPoint(x.x, x.y, index++)));
if (holes != null)
{
for (int i = 0; i < holes.Count; i++)
{
allPoints.AddRange(holes[i]);
var holePolgyon = new Polygon(holes[i].Select(x => new PolygonPoint(x.x, x.y, index++)));
polygon.AddHole(holePolgyon);
}
}
try
{
P2T.Triangulate(TriangulationAlgorithm.DTSweep, polygon);
}
catch (System.Exception e)
{
Log.Info("Triangulation failed: " + e.ToString());
return(false);
}
foreach (DelaunayTriangle d in polygon.Triangles)
{
if (d.Points[0].Index < 0 || d.Points[1].Index < 0 || d.Points[2].Index < 0)
{
Log.Info("Triangulation failed: Additional vertices were inserted.");
return(false);
}
indexes.Add(d.Points[0].Index);
indexes.Add(d.Points[1].Index);
indexes.Add(d.Points[2].Index);
}
WindingOrder originalWinding = SurfaceTopology.GetWindingOrder(points);
// if the re-triangulated first tri doesn't match the winding order of the original
// vertices, flip 'em
if (SurfaceTopology.GetWindingOrder(new Vector2[3]
{
allPoints[indexes[0]],
allPoints[indexes[1]],
allPoints[indexes[2]],
}) != originalWinding)
{
indexes.Reverse();
}
return(true);
}
static private Slice2D SlicePolygonInside(Polygon polygon, List <Vector2f> slice) // Create Polygon Inside?
{
Slice2D result = Slice2D.Create();
Polygon newPoly = new Polygon();
bool createPoly = false;
foreach (Pair2f pairA in Pair2f.GetList(slice, false))
{
foreach (Pair2f pairB in Pair2f.GetList(slice, false))
{
Vector2f intersection = MathHelper.GetPointLineIntersectLine(pairA, pairB);
if (intersection != null && (pairA.A != pairB.A && pairA.B != pairB.B && pairA.A != pairB.B && pairA.B != pairB.A))
{
createPoly = !createPoly;
newPoly.AddPoint(intersection);
}
}
if (createPoly == true)
{
newPoly.AddPoint(pairA.B);
}
}
bool inHoles = false;
foreach (Polygon hole in polygon.holesList)
{
if (hole.PolyInPoly(newPoly) == true)
{
inHoles = true;
}
}
if (inHoles == false && newPoly.pointsList.Count > 2 && polygon.PolyInPoly(newPoly) == true)
{
polygon.AddHole(newPoly);
List <Polygon> polys = new List <Polygon> (polygon.holesList);
foreach (Polygon hole in polys)
{
if (newPoly.PolyInPoly(hole) == true)
{
polygon.holesList.Remove(hole);
newPoly.AddHole(hole);
}
}
result.AddPolygon(polygon);
if (Slicer2D.complexSliceType == Slicer2D.SliceType.FillSlicedHole)
{
result.AddPolygon(newPoly);
}
return(result);
}
return(result);
}
/*! \cond PRIVATE */
bool triangulate()
{
if (Outline == null || Outline.Spline == null)
{
Error = "Missing Outline Spline";
return(false);
}
if (!polyLineIsValid(Outline))
{
Error = Outline.Spline.name + ": Angle must be >0";
return(false);
}
Vector3[] outlineVerts = Outline.getVertices();
if (outlineVerts.Length < 3)
{
Error = Outline.Spline.name + ": At least 3 Vertices needed!";
return(false);
}
p2t = new Polygon(outlineVerts);
if (VertexLineOnly)
{
return(true);
}
for (int i = 0; i < Holes.Count; i++)
{
if (Holes[i].Spline == null)
{
Error = "Missing Hole Spline";
return(false);
}
if (!polyLineIsValid(Holes[i]))
{
Error = Holes[i].Spline.name + ": Angle must be >0";
return(false);
}
Vector3[] verts = Holes[i].getVertices();
if (verts.Length < 3)
{
Error = Holes[i].Spline.name + ": At least 3 Vertices needed!";
return(false);
}
p2t.AddHole(new Polygon(verts));
}
try
{
P2T.Triangulate(p2t);
return(true);
}
catch (System.Exception e)
{
Error = e.Message;
}
return(false);
}
protected override void OnUpdate()
{
Polygon poly = null;
var holes = new List <Polygon>();
Entities.ForEach((ref PolygonOrientationComponent polygonOrientation, DynamicBuffer <PointSampleGlobal> points) =>
{
PolygonPoint[] pointArray = new PolygonPoint[points.Length];
for (var i = 0; i < points.Length; i++)
{
pointArray[i] = new PolygonPoint(points[i].pose.pos.x, points[i].pose.pos.z);
}
var polygon = new Polygon(pointArray);
if (polygonOrientation.Orientation == PolygonOrientation.Outside)
{
if (poly != null)
{
Debug.LogError("Multiple outside polygons detected. " +
"Multiple outside polygons indicate a disconnected road network.");
}
poly = polygon;
}
else
{
holes.Add(polygon);
}
});
if (poly == null)
{
throw new NullReferenceException($"Polygon is null - will be unable to create mesh for " +
$"{Parameters.Parent.name}.");
}
foreach (var hole in holes)
{
poly.AddHole(hole);
}
var mesh = RoadNetworkMesher.PolygonToMesh(poly, Parameters.UVMultiplier);
GameObject go = new GameObject("Road mesh");
go.transform.parent = Parameters.Parent;
go.transform.localPosition = new Vector3(0, .1f, 0);
var meshRenderer = go.AddComponent <MeshRenderer>();
meshRenderer.material = Parameters.Material;
var meshFilter = go.AddComponent <MeshFilter>();
meshFilter.mesh = mesh;
go.AddComponent <MeshCollider>();
}
protected virtual Polygon GetPolygon()
{
Polygon poly = new Polygon(GetPoints());
if (thickness > 0)
{
Polygon hole = new Polygon(GetPoints(thickness));
poly.AddHole(hole);
}
return(poly);
}
public Polygon ToLocalSpace(Transform transform)
{
Polygon newPolygon = new Polygon();
foreach (Vector2f id in pointsList)
{
newPolygon.AddPoint(transform.InverseTransformPoint(id.Get()));
}
foreach (Polygon p in holesList)
{
newPolygon.AddHole(p.ToLocalSpace(transform));
}
return(newPolygon);
}
public Polygon ToOffset(Vector2f pos)
{
Polygon newPolygon = new Polygon(pointsList);
foreach (Vector2f p in newPolygon.pointsList)
{
p.Inc(pos);
}
foreach (Polygon p in holesList)
{
newPolygon.AddHole(p.ToOffset(pos));
}
return(newPolygon);
}
protected override Polygon GetPolygon()
{
Polygon poly = new Polygon(GetPoints());
if (thickness > 0)
{
List <PolygonPoint> holePoints = new List <PolygonPoint>()
{
new PolygonPoint(thickness, thickness),
new PolygonPoint(width - thickness, thickness),
new PolygonPoint(width - thickness, height - thickness),
new PolygonPoint(thickness, height - thickness)
};
Polygon hole = new Polygon(holePoints);
poly.AddHole(hole);
}
return(poly);
}
/// <summary>
/// Creates a triangulation of the vertices given, and gives you the indices of it.
/// </summary>
/// <param name="aPoints">A list of points to triangulate.</param>
/// <param name="aTreatAsPath">Should we discard any triangles at all? Use this if you want to get rid of triangles that are outside the path.</param>
/// <param name="aInvert">if we're treating it as a path, should we instead sicard triangles inside the path?</param>
/// <param name="aInvertBorderSize">When inverted, how large should the border be in each direction?</param>
/// <returns>A magical list of indices describing the triangulation!</returns>
public static List <int> GetIndices(ref List <Vector2> aPoints, bool aTreatAsPath, bool aInvert, Vector2 aInvertBorderSize, float aVertGridSpacing = 0)
{
Vector4 bounds = GetBounds(aPoints);
if (aVertGridSpacing > 0)
{
SplitEdges(ref aPoints, aVertGridSpacing);
}
List <PolygonPoint> verts = new List <PolygonPoint>(aPoints.Count);
for (int i = 0; i < aPoints.Count; i++)
{
verts.Add(new PolygonPoint(aPoints[i].x, aPoints[i].y));
}
Polygon poly;
if (aInvert)
{
float width = aInvertBorderSize.x == 0 ? (bounds.z - bounds.x) : aInvertBorderSize.x;
float height = aInvertBorderSize.y == 0 ? (bounds.y - bounds.w) : aInvertBorderSize.y;
aPoints.Add(new Vector2(bounds.x - width, bounds.w - height));
aPoints.Add(new Vector2(bounds.z + width, bounds.w - height));
aPoints.Add(new Vector2(bounds.z + width, bounds.y + height));
aPoints.Add(new Vector2(bounds.x - width, bounds.y + height));
List <PolygonPoint> outer = new List <PolygonPoint>(4);
for (int i = 0; i < 4; i++)
{
outer.Add(new PolygonPoint(aPoints[(aPoints.Count - 4) + i].x, aPoints[(aPoints.Count - 4) + i].y));
}
poly = new Polygon(outer);
poly.AddHole(new Polygon(verts));
}
else
{
poly = new Polygon(verts);
}
if (aVertGridSpacing > 0)
{
if (aInvert)
{
bounds = GetBounds(aPoints);
}
for (float y = bounds.w + aVertGridSpacing; y <= bounds.y; y += aVertGridSpacing)
{
for (float x = bounds.x + aVertGridSpacing; x <= bounds.z; x += aVertGridSpacing)
{
TriangulationPoint pt = new TriangulationPoint(x, y);
bool inside = poly.IsPointInside(pt);
if (inside)
{
poly.AddSteinerPoint(pt);
}
}
}
}
P2T.Triangulate(poly);
aPoints.Clear();
List <int> result = new List <int>(poly.Triangles.Count * 3);
int ind = 0;
foreach (DelaunayTriangle triangle in poly.Triangles)
{
TriangulationPoint p1 = triangle.Points[0];
TriangulationPoint p2 = triangle.PointCWFrom(p1);
TriangulationPoint p3 = triangle.PointCWFrom(p2);
aPoints.Add(new Vector2(p1.Xf, p1.Yf));
aPoints.Add(new Vector2(p2.Xf, p2.Yf));
aPoints.Add(new Vector2(p3.Xf, p3.Yf));
result.Add(ind++);
result.Add(ind++);
result.Add(ind++);
}
return(result);
}
public static void TriangulateWithHoles(ArrayList vectors, List <ArrayList> holes, ref Mesh mesh, bool ceiling, bool twoSided, float y)
{
if (vectors.Count >= 3)
{
PolygonPoint[] c = new PolygonPoint[vectors.Count];
List <Vector3> list = new List <Vector3>();
Vector2[] vectorArray = new Vector2[vectors.Count];
List <int> list2 = null;
for (int i = 0; i < vectors.Count; i++)
{
Vector2 vector = (Vector2)vectors[i];
c[i] = new PolygonPoint((double)vector.x, (double)vector.y);
list.Add(new Vector3(vector.x, y, vector.y));
vectorArray[i] = new Vector2(vector.x, vector.y);
}
ArrayList list3 = new ArrayList(c);
Polygon p = new Polygon(c);
foreach (ArrayList list4 in holes)
{
List <PolygonPoint> list5 = new List <PolygonPoint>();
for (int k = 0; k < list4.Count; k++)
{
Vector2 vector2 = (Vector2)list4[k];
list5.Add(new PolygonPoint((double)vector2.x, (double)vector2.y));
list.Add(new Vector3(vector2.x, y, vector2.y));
}
list3.AddRange(list5);
p.AddHole(new Polygon(list5));
}
P2T.Triangulate(p);
list2 = new List <int>();
for (int j = 0; j < p.Triangles.Count; j++)
{
if (twoSided)
{
list2.Add(list3.IndexOf(p.Triangles[j].Points._2));
list2.Add(list3.IndexOf(p.Triangles[j].Points._1));
list2.Add(list3.IndexOf(p.Triangles[j].Points._0));
list2.Add(list3.IndexOf(p.Triangles[j].Points._0));
list2.Add(list3.IndexOf(p.Triangles[j].Points._1));
list2.Add(list3.IndexOf(p.Triangles[j].Points._2));
}
else if (!ceiling)
{
list2.Add(list3.IndexOf(p.Triangles[j].Points._2));
list2.Add(list3.IndexOf(p.Triangles[j].Points._1));
list2.Add(list3.IndexOf(p.Triangles[j].Points._0));
}
else
{
list2.Add(list3.IndexOf(p.Triangles[j].Points._0));
list2.Add(list3.IndexOf(p.Triangles[j].Points._1));
list2.Add(list3.IndexOf(p.Triangles[j].Points._2));
}
}
list2.TrimExcess();
list.TrimExcess();
mesh.vertices = list.ToArray();
mesh.triangles = list2.ToArray();
mesh.RecalculateBounds();
}
}
bool triangulate()
{
if (Outline == null || Outline.Spline == null) {
Error = "Missing Outline Spline";
return false;
}
if (!polyLineIsValid(Outline)){
Error=Outline.Spline.name+": Angle must be >0";
return false;
}
Vector3[] outlineVerts = Outline.getVertices();
if (outlineVerts.Length < 3) {
Error=Outline.Spline.name+": At least 3 Vertices needed!";
return false;
}
p2t = new Polygon(outlineVerts);
if (VertexLineOnly)
return true;
for (int i = 0; i < Holes.Count; i++) {
if (Holes[i].Spline == null) {
Error = "Missing Hole Spline";
return false;
}
if (!polyLineIsValid(Holes[i])) {
Error = Holes[i].Spline.name + ": Angle must be >0";
return false;
}
Vector3[] verts=Holes[i].getVertices();
if (verts.Length<3){
Error=Holes[i].Spline.name+": At least 3 Vertices needed!";
return false;
}
p2t.AddHole(new Polygon(verts));
}
try {
P2T.Triangulate(p2t);
return true;
}
catch (System.Exception e) {
Error = e.Message;
}
return false;
}
public static Mesh triangulate(AXSpline poly, float height, AXTexCoords tex)
{
// poly has verts that are delimeted by 8888888 for holes
//Debug.Log ("F");
// 1. transpose points to poly2tri structures
// 2. create mesh
Polygon _polygon = null;
List <AXSpline> parts = poly.getSolidAndHoles();
if (parts == null || parts.Count == 0)
{
return(null);
}
// CONTOUR
AXSpline contour = parts[0];
List <PolygonPoint> _points = new List <PolygonPoint>();
for (int ii = 0; ii < contour.vertCount; ii++)
{
_points.Add(new PolygonPoint((double)contour.verts[ii].x, (double)contour.verts[ii].y));
}
// POLYGON
if (_points.Count >= 3)
{
_polygon = new Polygon(_points);
// HOLES?
if (parts.Count > 1)
{
for (int i = 1; i < parts.Count; i++)
{
List <PolygonPoint> _holepoints = new List <PolygonPoint>();
for (int ii = 0; ii < parts[i].vertCount; ii++)
{
_holepoints.Add(new PolygonPoint((double)parts[i].verts[ii].x, (double)parts[i].verts[ii].y));
}
if (_holepoints.Count >= 3)
{
Polygon _hole = new Polygon(_holepoints);
_polygon.AddHole(_hole);
}
}
}
}
// populate the polygon triangles
if (_polygon != null)
{
P2T.Triangulate(_polygon);
return(polygon2mesh(_polygon, tex));
}
return(null);
}
public void addHoles(List <Hole> holes)
{
Mesh mesh = GetComponent <MeshFilter>().mesh;
List <Vector2> rectanglePoints = new List <Vector2> ();
rectanglePoints.Add(new Vector2(0, 0));
rectanglePoints.Add(new Vector2(0, height));
rectanglePoints.Add(new Vector2(length, height));
rectanglePoints.Add(new Vector2(length, 0));
latest_face = createPoly(rectanglePoints.ToArray());
for (int l = 0; l < holes.Count; l++)
{
Debug.Log(holes[l].Position);
}
for (int k = 0; k < holes.Count; k++)
{
float distance = (holes[k].Position - this.Start_pt).magnitude;
hole_length = holes [k].Hole_length;
hole_height = holes [k].Hole_height;
hole_elevation = holes [k].Hole_elevation;
//distance = 1;
if (distance > (length - hole_length / 2) || distance < hole_length / 2)
{
Debug.Log("Hole exceeds " + this.name + " by " + distance);
}
else
{
List <Vector2> holePoints = new List <Vector2> ();
holePoints.Add(new Vector2(distance - hole_length / 2, hole_elevation - hole_height / 2));
holePoints.Add(new Vector2(distance - hole_length / 2, hole_elevation + hole_height / 2));
holePoints.Add(new Vector2(distance + hole_length / 2, hole_elevation + hole_height / 2));
holePoints.Add(new Vector2(distance + hole_length / 2, hole_elevation - hole_height / 2));
Polygon Hole = createPoly(holePoints.ToArray());
Debug.Log("Created hole");
latest_face.AddHole(Hole);
holes [k].Hole_start_index = (k - 1) >= 0 ? holes [k - 1].Hole_end_index : 4;
//Debug.Log ("here");
hole_list.Add(holes [k]);
}
} // holes loop end
print(latest_face);
P2T.Triangulate(latest_face);
for (int i = 0; i < latest_face.Triangles.Count; i++)
{
for (int j = 0; j < 3; j++)
{
TriangulationPoint tpt = latest_face.Triangles [i].Points [j];
Vector3 pt = new Vector3(-thickness / 2, (float)tpt.Y, (float)tpt.X);
new_tris.Add(vertexIndices [pt]);
}
}
mesh.Clear();
mesh.vertices = new_verts.ToArray();
mesh.triangles = new_tris.ToArray();
mesh = this.extrudeWall(mesh);
mesh.RecalculateNormals();
//PUNEET -> ReAdded Meshcollider to wall in the case of hole
gameObject.AddMissingComponent <MeshCollider>().sharedMesh = mesh;
//change uvs according to hole
}
// Polygon Slice - TODO: Return No Polygon if it's eaten by polygon slice
static public Slice2D Slice(Polygon polygon, Polygon polygonSlice)
{
Slice2D result = Slice2D.Create();
Slicer2D.SliceType tempSliceType = Slicer2D.complexSliceType;
Slicer2D.complexSliceType = Slicer2D.SliceType.SliceHole;
polygonSlice.Normalize();
polygon.Normalize();
// Eat a polygon completely
// Complex Slicer does not register slice in this case
if (polygonSlice.PolyInPoly(polygon) == true)
{
result.AddPolygon(polygon);
return(result);
}
if (polygon.PolyInPoly(polygonSlice) == true)
{
polygon.AddHole(polygonSlice);
result.AddPolygon(polygon);
return(result);
}
// Act as Regular Slice
Vector2f startPoint = null;
foreach (Vector2f id in polygonSlice.pointsList)
{
if (polygon.PointInPoly(id) == false)
{
startPoint = id;
break;
}
}
if (startPoint == null)
{
Debug.LogError("Slicer2D: Starting Point Error In PolygonSlice");
return(result);
}
polygonSlice.pointsList = VectorList2f.GetListStartingPoint(polygonSlice.pointsList, startPoint);
/*
* List<Vector2f> s = new List<Vector2f> ();
* foreach (Pair2f pair in Pair2f.GetList(polygonSlice.pointsList, false)) {
* List<Vector2f> stackList = polygon.GetListSliceIntersectPoly(pair);
* stackList = VectorList2f.GetListSortedToPoint (stackList, pair.A);
* Vector2f old = pair.A;
* s.Add (old);
*
* foreach (Vector2f id in stackList) {
* s.Add (new Vector2f((old.GetX() + id.GetX()) / 2, (old.GetY() + id.GetY()) / 2));
* old = id;
* }
* }
*
* polygonSlice.pointsList = s;
*/
polygonSlice.AddPoint(startPoint);
// Not necessary
if (polygon.SliceIntersectPoly(polygonSlice.pointsList) == false)
{
return(result);
}
// Slice More Times?
result = ComplexSlicer.Slice(polygon, new List <Vector2f> (polygonSlice.pointsList));
if (result.polygons.Count < 1)
{
Debug.LogError("Slicer2D: Returns Empty Polygon Slice");
}
Slicer2D.complexSliceType = tempSliceType;
return(result);
}
/*! \endcond */
#endregion
#region ### Public Methods ###
public override void Refresh()
{
base.Refresh();
CGVolume vol = InVolume.GetData<CGVolume>();
var holes = InVolumeHoles.GetAllData<CGVolume>();
if (vol)
{
bool genStart = (StartCap == CGYesNoAuto.Yes || (StartCap == CGYesNoAuto.Auto && !vol.Seamless));
bool genEnd = (EndCap == CGYesNoAuto.Yes || (EndCap == CGYesNoAuto.Auto && !vol.Seamless));
if (!genStart && !genEnd)
{
OutVMesh.SetData(null);
return;
}
var vmesh = new CGVMesh();
Vector3[] vtStart = new Vector3[0];
Vector3[] vtEnd = new Vector3[0];
Polygon pOuter;
vmesh.AddSubMesh(new CGVSubMesh());
CGVSubMesh submesh = vmesh.SubMeshes[0];
Vector3[] points;
if (genStart)
{
#region --- Start Cap ---
points = make2DSegment(vol, 0);
if (points.Length < 3)
{
OutVMesh.SetData(null);
UIMessages.Add("Cross has <3 Vertices: Can't create Caps!");
return;
}
pOuter = new Polygon(points);
for (int h = 0; h < holes.Count; h++)
{
points = make2DSegment(holes[h], 0);
if (points.Length < 3)
{
OutVMesh.SetData(null);
UIMessages.Add("Hole Cross has <3 Vertices: Can't create Caps!");
return;
}
pOuter.AddHole(new Polygon(points));
}
try
{
P2T.Triangulate(pOuter);
}
catch (System.Exception e)
{
Debug.LogException(e);
OutVMesh.SetData(null);
return;
}
submesh.Material = StartMaterial;
pOuter.GetResults(out vtStart, out submesh.Triangles, ReverseTriOrder);
vmesh.Vertex = applyMat(vtStart, getMat(vol, 0, true));
if (GenerateUV)
{
vmesh.UV = new Vector2[vtStart.Length];
applyUV(vtStart, ref vmesh.UV, 0, vtStart.Length, pOuter.Bounds.Bounds, StartMaterialSettings);
}
#endregion
}
if (genEnd)
{
#region --- End Cap ---
points = make2DSegment(vol, vol.Count - 1);
if (points.Length < 3)
{
OutVMesh.SetData(null);
UIMessages.Add("Cross has <3 Vertices: Can't create Caps!");
return;
}
pOuter = new Polygon(points);
for (int h = 0; h < holes.Count; h++)
{
points = make2DSegment(holes[h], holes[h].Count - 1);
if (points.Length < 3)
{
OutVMesh.SetData(null);
UIMessages.Add("Hole Cross has <3 Vertices: Can't create Caps!");
return;
}
pOuter.AddHole(new Polygon(points));
}
try
{
P2T.Triangulate(pOuter);
}
catch (System.Exception e)
{
Debug.LogException(e);
OutVMesh.SetData(null);
return;
}
int[] tris;
pOuter.GetResults(out vtEnd, out tris, !ReverseTriOrder, vtStart.Length);
vmesh.Vertex = vmesh.Vertex.AddRange<Vector3>(applyMat(vtEnd, getMat(vol, vol.Count - 1, true)));
if (!CloneStartCap && StartMaterial != EndMaterial)
{
vmesh.AddSubMesh(new CGVSubMesh(tris, EndMaterial));
}
else
{
submesh.Material = StartMaterial;
submesh.Triangles = submesh.Triangles.AddRange<int>(tris);
}
if (GenerateUV)
{
System.Array.Resize<Vector2>(ref vmesh.UV, vmesh.UV.Length + vtEnd.Length);
applyUV(vtEnd, ref vmesh.UV, vtStart.Length, vtEnd.Length, pOuter.Bounds.Bounds, (CloneStartCap) ? StartMaterialSettings : EndMaterialSettings);
}
#endregion
}
OutVMesh.SetData(vmesh);
}
}