public override void VertexMove(MoveArgs data)
{
if (VertexTable.Contains(new VertexLookup()
{
Id = data.id
}))
{
VertexLookup vdata = VertexTable.Find(item => item.Id == data.id);
foreach (VertexLookup vLookup in VertexTable)
{
if (vLookup.Line && vLookup.Line.vStart == vdata.Vertex)
{
vLookup.Line.MoveStart(data.pos);
}
if (vLookup.Line && vLookup.Line.vEnd == vdata.Vertex)
{
vLookup.Line.MoveEnd(data.pos);
}
}
curve.Vector3(GetVertexPositions(), Lr);
if (label)
{
label.position = _labelPosition();
}
}
curve.Vector3(GetVertexPositions(), Lr);
}
public bool Equals(VertexLookup other)
{
if (other == null)
{
return(false);
}
return(this.Id.Equals(other.Id));
}
public int CompareTo(VertexLookup other)
{
if (other == null)
{
return(1);
}
else
{
return(Vertex.CompareTo(other.Vertex));
}
}
public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
VertexLookup com = obj as VertexLookup;
if (com == null)
{
return(false);
}
else
{
return(Equals(com));
}
}
/// <summary>
/// Make the Line into a Linear Ring by setting the Lr flag and creating a LineSegment form the last vertex to the first.
/// If the last vertex is in the same (exact) position as the first vertex, the last vertex is deleted.
/// </summary>
public void MakeLinearRing()
{
// Make the Line inot a Linear ring
if (!Lr)
{
VertexLookup First = VertexTable.Find(item => item.Vertex == 0);
VertexLookup Last = VertexTable.Find(item => item.Vertex == VertexTable.Count - 1);
if (First.Com.transform.position == Last.Com.transform.position)
{
Destroy(Last.Com.gameObject);
VertexTable.Remove(Last);
Last = VertexTable.Find(item => item.Vertex == Last.Vertex - 1);
Last.Line.MoveEnd(First.Com.transform.position);
Last.Line.vEnd = 0;
}
else
{
VertexTable.Last().Line = _createSegment(VertexTable.Last().Com.transform.position, VertexTable.First().Com.transform.position, VertexTable.Count - 1, true);
}
Lr = true;
}
}
public override void RemoveVertex(VirgisFeature vertex)
{
if (BlockMove)
{
Destroy(gameObject);
}
else
{
VertexLookup vLookup = VertexTable.Find(item => item.Com == vertex);
if (vLookup.isVertex)
{
int thisVertex = vLookup.Vertex;
if (vLookup.Line != null)
{
Destroy(vLookup.Line.gameObject);
}
else
{
Destroy(VertexTable.Find(item => item.Vertex == vLookup.Vertex - 1).Line.gameObject);
}
Destroy(vLookup.Com.gameObject);
VertexTable.Remove(vLookup);
VertexTable.ForEach(item => {
if (item.Vertex >= thisVertex)
{
item.Vertex--;
if (item.Line != null)
{
item.Line.vStart--;
if (item.Line.vEnd != 0)
{
item.Line.vEnd--;
}
}
}
;
if (Lr && item.isVertex && item.Line.vEnd >= VertexTable.Count)
{
item.Line.vEnd = 0;
}
;
});
int end = thisVertex;
int start = thisVertex - 1;
if (Lr && thisVertex >= VertexTable.Count)
{
end = 0;
}
if (Lr && thisVertex == 0)
{
start = VertexTable.Count - 1;
}
Debug.Log($"start : {start}, End : {end}");
if (VertexTable.Count > 1)
{
VertexTable.Find(item => item.Vertex == start).Line.MoveEnd(VertexTable.Find(item => item.Vertex == end).Com.transform.position);
}
else
{
Destroy(gameObject);
}
}
}
transform.parent.SendMessage("RemoveVertex", this, SendMessageOptions.DontRequireReceiver);
}
/// <summary>
/// Makes the actual mesh
/// </summary>
protected void _redraw()
{
if (lines.Count > 0)
{
Polygon = new List <DCurve3>();
foreach (Dataline ring in lines)
{
foreach (VertexLookup v in ring.VertexTable)
{
VertexTable.Add(v);
}
DCurve3 curve = new DCurve3();
curve.Vector3(ring.GetVertexPositions(), true);
Polygon.Add(curve);
}
}
MeshFilter mf = Shape.GetComponent <MeshFilter>();
MeshCollider[] mc = Shape.GetComponents <MeshCollider>();
mf.mesh = null;
Mesh mesh = new Mesh();
Mesh imesh = new Mesh();
mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
imesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
Frame3f frame = new Frame3f();
Vector3[] vertices;
GeneralPolygon2d polygon2d;
Delaunator delaunator;
List <int> triangles = new List <int>();
try {
//
// Map 3d Polygon to the bext fit 2d polygon and also return the frame used for the mapping
//
polygon2d = Polygon.ToPolygon(ref frame);
//
// calculate the dalaunay triangulation of the 2d polygon
//
delaunator = new Delaunator(polygon2d.AllVerticesItr().ToPoints());
IEnumerable <Vector2d> vlist = delaunator.Points.ToVectors2d();
vertices = new Vector3[vlist.Count()];
//
// for each vertex in the dalaunay triangulatin - map back to a 3d point and also populate the vertex table
//
for (int i = 0; i < vlist.Count(); i++)
{
Vector2d v = vlist.ElementAt(i);
try {
Vector3d v1 = Polygon.AllVertexItr().Find(item => v.Distance(frame.ToPlaneUV((Vector3f)item, 2)) < 0.001);
vertices[i] = Shape.transform.InverseTransformPoint((Vector3)v1);
VertexLookup vl = VertexTable.Find(item => v1.Distance(item.Com.transform.position) < 0.001);
if (vl != null)
{
vl.pVertex = i;
}
} catch {
Debug.Log("Mesh Error");
}
}
//
// eaxtract the triangles from the delaunay triangulation
//
IEnumerable <ITriangle> tris = delaunator.GetTriangles();
for (int i = 0; i < tris.Count(); i++)
{
ITriangle tri = tris.ElementAt(i);
if (polygon2d.Contains(tri.CetIncenter()))
{
int index = 3 * i;
triangles.Add(delaunator.Triangles[index]);
triangles.Add(delaunator.Triangles[index + 1]);
triangles.Add(delaunator.Triangles[index + 2]);
}
}
} catch (Exception e) {
throw new Exception("feature is not a valid Polygon : " + e.ToString());
}
//
// build the mesh entity
//
mesh.vertices = vertices;
mesh.triangles = triangles.ToArray();
mesh.uv = BuildUVs(vertices);
mesh.RecalculateBounds();
mesh.RecalculateNormals();
imesh.vertices = mesh.vertices;
imesh.triangles = triangles.Reverse <int>().ToArray();
imesh.uv = mesh.uv;
imesh.RecalculateBounds();
imesh.RecalculateNormals();
mf.mesh = mesh;
try {
mc[0].sharedMesh = mesh;
mc[1].sharedMesh = imesh;
} catch (Exception e) {
Debug.Log(e.ToString());
}
}
/// <summary>
/// Generates the actual mesh for the polyhedron
/// </summary>
private void MakeMesh()
{
MeshFilter mf;
mf = Shape.GetComponent <MeshFilter>();
if (mf == null)
{
mf = Shape.AddComponent <MeshFilter>();
}
mf.mesh = null;
Mesh mesh = new Mesh();
TriangulatedPolygonGenerator tpg = new TriangulatedPolygonGenerator();
Frame3f frame = new Frame3f();
tpg.Polygon = Polygon.ToPolygon(ref frame);
tpg.Generate();
int nv = tpg.vertices.Count;
VertexTable.Clear();
foreach (Dataline ring in Polygon)
{
foreach (VertexLookup v in ring.VertexTable)
{
VertexTable.Add(v);
}
}
IEnumerable <Vector3d> vlist = tpg.vertices.AsVector3d();
Vector3[] vertices = new Vector3[vlist.Count()];
for (int i = 0; i < vlist.Count(); i++)
{
Vector3d v = vlist.ElementAt(i);
try {
VertexLookup vl = VertexTable.Find(item => v.xy.Distance(frame.ToPlaneUV(item.Com.transform.position, 3)) < 0.001);
vertices[i] = Shape.transform.InverseTransformPoint(vl.Com.transform.position);
vl.pVertex = i;
} catch {
VertexTable.Add(new VertexLookup()
{
pVertex = i, Com = VertexTable[0].Com
});
vertices[i] = Shape.transform.InverseTransformPoint((Vector3)frame.FromFrameV(v));
}
}
List <Vector2> uvs = new List <Vector2>();
IEnumerable <Vector2d> uv2d = tpg.uv.AsVector2f();
foreach (Vector2d uv in uv2d)
{
uvs.Add((Vector2)uv);
}
mesh.vertices = vertices.ToArray();
mesh.triangles = tpg.triangles.ToArray <int>();
mesh.uv = uvs.ToArray <Vector2>();
mesh.RecalculateBounds();
mesh.RecalculateNormals();
mf.mesh = mesh;
}
