//コンストラクタ(引数あり)
public Edge(Vertex vtx1, Vertex vtx2)
{
vertex1 = vtx1;
vertex2 = vtx2;
pen = new Pen(Color.Blue, 3);
pen.DashStyle = DashStyle.Dot;
neighbor = new List<Edge>();
isSeparated = false;
willSeparated = false;
viewOK = false;
nealySeparated = false;
}
int vertices_num; //頂点数
#endregion Fields
#region Constructors
//コンストラクタ
public osPolygon(int i)
{
FaceNum = i;
isVisible = false;
start_vertex = new Vertex(0, 0);
end_vertex = new Vertex(0, 0);
vertex = new List<Vertex>();
edge = new List<Edge>();
nowbrush = new SolidBrush(Color.Red);
basebrush = new SolidBrush(Color.Red);
vertices_num = 0;
isOpened = false;
center = new Vector3D(0, 0, 0);
normal = new Vector3D();
}
//辺edを回転軸として面をpolのある平面上に開く
public bool Open(Edge ed, osPolygon pol)
{
if (!isOpened)
{
Vector3D edvector = new Vector3D();
double angle;
Matrix rotatematrix = new Matrix(3);
Vector3D polnormal;
pol.SetNormal();
polnormal = pol.normal;
SetNormal();
angle = Math.Acos(Vector3D.Inner(this.normal, polnormal) / (this.normal.Getnorm() * polnormal.Getnorm()));
start_vertex = ed.vertex1;
end_vertex = ed.vertex2;
edvector = end_vertex.center3D - start_vertex.center3D;
edvector.Normalization();
rotatematrix.Set_Rotate_ArbAx(edvector, angle);
foreach (Vertex vtx in vertex)
if (vtx.center3D != start_vertex.center3D && vtx.center3D != end_vertex.center3D)
{
vtx.center3D -= end_vertex.center3D;
vtx.center3D = vtx.center3D * rotatematrix;
vtx.center3D += end_vertex.center3D;
}
isOpened = true;
return true;
}
return false;
}
//辺の頂点を設定
public void Set(Vertex vtx1, Vertex vtx2)
{
vertex1 = vtx1;
vertex2 = vtx2;
}
//双対頂点に一番近いEdgeを走査
private Edge SearchEdge(Vertex dualvertex1, Vertex dualvertex2, int faceindex)
{
int MinE = 0;
float a1, a2;
const int DISTANCE_UPPER = 10;
for (int i = 0; i < Face3D[faceindex].edge.Count; i++)
{
a1 = dualvertex1.center3D.Getdistance((Face3D[faceindex].edge[i].vertex1.center3D + Face3D[faceindex].edge[i].vertex2.center3D) / 2);
a2 = dualvertex2.center3D.Getdistance((Face3D[faceindex].edge[i].vertex1.center3D + Face3D[faceindex].edge[i].vertex2.center3D) / 2);
if (Math.Abs(a1 - a2) < DISTANCE_UPPER)
MinE = i;
}
return Face3D[faceindex].edge[MinE];
}
//一括座標変換(関数オーバロード)
public Vertex[] Translate(Vertex[] A)
{
int len = A.Length;
Vector3D[] P = new Vector3D[len];
Vector2D[] R = new Vector2D[len];
Vector3D[] Pt = new Vector3D[len];
Vertex[] Rt = new Vertex[len];
for (int i = 0; i < len; i++)
{
P[i] = new Vector3D();
R[i] = new Vector2D();
Pt[i] = new Vector3D();
Rt[i] = new Vertex(0, 0);
}
for (int i = 0; i < len; i++)
{
Pt[i] = A[i].center3D;
}
for (int i = 0; i < len; i++)
{
P[i] = ViewTranslate(Pt[i]);
P[i] = ProjectionTranslate(P[i]);
R[i] = ViewPortTranslate(P[i]);
}
for (int i = 0; i < len; i++)
{
Rt[i].center3D = Pt[i];
Rt[i].center2D = R[i];
}
return Rt;
}
//隣接面を回転
private bool RotateConnectFace(Vertex connectvtx, Vertex basevtx, Edge ed, int FaceNum)
{
int openindex;
if (connectvtx.neighbor.Count == 1)
{
if ((openindex = GetDualNum(connectvtx)) != -1)
{
Face3D[openindex].CancelOpened();
Face3D[openindex].Open(ed, Face3D[FaceNum]);
}
return true;
}
else if (connectvtx.neighbor.Count > 1)
{
for (int i = 0; i < connectvtx.neighbor.Count; i++)
{
if (!Vector3D.NearlyEcoal(connectvtx.neighbor[i].center3D, basevtx.center3D, 10) && RotateConnectFace(connectvtx.neighbor[i], connectvtx, ed, FaceNum))
if ((openindex = GetDualNum(connectvtx)) != -1)
{
Face3D[openindex].CancelOpened();
Face3D[openindex].Open(ed, Face3D[FaceNum]);
}
}
return true;
}
return false;
}
//双対頂点番号を取得
private int GetDualNum(Vertex vtx)
{
for (int i = 0; i < Dual.Count; i++)
{
if (Vector3D.NearlyEcoal(Dual[i].center3D, vtx.center3D, 10))
return i;
}
return -1;
}
//頂点の隣接点を追加
public void SetNeighbor(Vertex vtx)
{
neighbor.Add(vtx);
nearlyNeighbor.Add(vtx);
}
//隣接点を削除
public void DeleteNeighbor(Vertex vtx)
{
foreach (Vertex temp in neighbor)
if (temp == vtx)
{
temp.Delete(this);
break;
}
Delete(vtx);
}
//ほとんど頂点を削除
public void DeleteNearly(Vertex vtx)
{
for (int i = 0; i < nearlyNeighbor.Count; i++)
{
if (vtx == nearlyNeighbor[i])
{
nearlyNeighbor.RemoveAt(i);
break;
}
}
}
