// 高さが０の場合、移動方向が定まらないので
// 投影座標系でz=0とした座標から,List[0] - List[1]への垂線を計算して
// そこへ移動する
private void MoveSelectedPointWithHeight(DrawContext dc, Vector3d delta)
{
CadSegment seg = CadUtil.PerpSeg(PointList[0], PointList[1],
StoreList[2] + delta);
PointList[2] = PointList[2].SetVector(seg.P1.vector);
PointList[3] = PointList[3].SetVector(seg.P0.vector);
}
public override void EndCreate(DrawContext dc)
{
if (PointList.Count < 3)
{
return;
}
CadSegment seg = CadUtil.PerpSeg(PointList[0], PointList[1], PointList[2]);
PointList[2] = PointList[2].SetVector(seg.P1.vector);
PointList.Add(seg.P0);
}
public override void EndEdit()
{
base.EndEdit();
if (PointList.Count == 0)
{
return;
}
CadSegment seg = CadUtil.PerpSeg(PointList[0], PointList[1], PointList[2]);
PointList[2] = PointList[2].SetVector(seg.P1.vector);
PointList[3] = PointList[3].SetVector(seg.P0.vector);
}
private void DrawDim(
DrawContext dc,
CadVertex a,
CadVertex b,
CadVertex p,
DrawPen pen)
{
CadSegment seg = CadUtil.PerpSeg(a, b, p);
dc.Drawing.DrawLine(pen, a.vector, seg.P0.vector);
dc.Drawing.DrawLine(pen, b.vector, seg.P1.vector);
Vector3d cp = CadMath.CenterPoint(seg.P0.vector, seg.P1.vector);
double arrowW = ARROW_W;
double arrowL = ARROW_LEN;
dc.Drawing.DrawArrow(pen, cp, seg.P0.vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
dc.Drawing.DrawArrow(pen, cp, seg.P1.vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
}
protected void DrawLines(DrawContext dc, DrawPen pen, VertexList pl)
{
int start = 0;
int cnt = pl.Count;
if (cnt <= 0)
{
return;
}
if (Normal.IsZero())
{
Normal = CadUtil.TypicalNormal(pl);
}
CadVertex a;
a = pl[start];
if (cnt == 1)
{
dc.Drawing.DrawCross(pen, a.vector, 2);
//if (a.Selected)
//{
// dc.Drawing.DrawHighlightPoint(a.vector, dc.GetPen(DrawTools.PEN_POINT_HIGHLIGHT));
//}
return;
}
//DrawParam dp = new DrawParam(dc, pen);
//PolyLineExpander.ForEachSegs<DrawParam>(pl, IsLoop, 8,
// (v0, v1, p) =>
// {
// p.DC.Drawing.DrawLine(p.Pen, v0.vector, v1.vector);
// }, dp);
PolyLineExpander.Draw(pl, IsLoop, 8, dc, pen);
}
public static CadRect GetContainsRectScrn(CadFigure fig, DrawContext dc)
{
return(CadUtil.GetContainsRectScrn(dc, fig.PointList));
}
public static CadRect GetContainsRect(CadFigure fig)
{
return(CadUtil.GetContainsRect(fig.PointList));
}
public static void MoveAllPoints(CadFigure fig, Vector3d delta)
{
CadUtil.MovePoints(fig.PointList, delta);
}
private void DrawDim(DrawContext dc, DrawPen linePen, DrawBrush textBrush)
{
dc.Drawing.DrawLine(linePen, PointList[0].vector, PointList[3].vector);
dc.Drawing.DrawLine(linePen, PointList[1].vector, PointList[2].vector);
Vector3d cp = CadMath.CenterPoint(PointList[3].vector, PointList[2].vector);
double arrowW = ARROW_W;
double arrowL = ARROW_LEN;
double ww = (PointList[1] - PointList[0]).Norm() / 4.0;
if (ww > arrowL)
{
dc.Drawing.DrawArrow(linePen, cp, PointList[3].vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
dc.Drawing.DrawArrow(linePen, cp, PointList[2].vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
}
else
{
Vector3d v0 = cp - PointList[3].vector;
Vector3d v1 = cp - PointList[2].vector;
v0 = -(v0.Normalized() * (arrowL * 1.5)) / dc.WorldScale + PointList[3].vector;
v1 = -(v1.Normalized() * (arrowL * 1.5)) / dc.WorldScale + PointList[2].vector;
dc.Drawing.DrawArrow(linePen, v0, PointList[3].vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
dc.Drawing.DrawArrow(linePen, v1, PointList[2].vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
dc.Drawing.DrawLine(linePen, PointList[2].vector, PointList[3].vector);
}
CadVertex lineV = PointList[2] - PointList[3];
double len = lineV.Norm();
string lenStr = CadUtil.ValToString(len);
CadVertex p = PointList[3] + (lineV / 2);
p += (PointList[3] - PointList[0]).UnitVector() * (arrowW);
CadVertex up = PointList[3] - PointList[0];
// 裏返しになる場合は、反転する
// If it turns over, reverse it
Vector3d normal = CadMath.Normal(lineV.vector, up.vector);
double scala = CadMath.InnerProduct(normal, dc.ViewDir);
if (scala > 0)
{
lineV = -lineV;
}
// --- lineV --->
// 3<------------ p ----------->2
// ^ | |
// | | |
// up 0 1
//
dc.Drawing.DrawText(FontID, textBrush, p.vector, lineV.vector, up.vector,
new DrawTextOption(DrawTextOption.H_CENTER),
lenStr);
}
public static List <CadFigure> Split(CadFigure fig, int curveSplitNum = 32)
{
CadVertex p0 = default(CadVertex);
var triangles = new List <CadFigure>();
int i1 = -1;
int state = 0;
CadFigure triangle;
VertexList pointList = fig.GetPoints(curveSplitNum);
i1 = CadUtil.FindMaxDistantPointIndex(p0, pointList);
if (i1 == -1)
{
return(triangles);
}
triangle = GetTriangleWithCenterPoint(pointList, i1);
Vector3d tp0 = triangle.PointList[0].vector;
Vector3d tp1 = triangle.PointList[1].vector;
Vector3d tp2 = triangle.PointList[2].vector;
Vector3d dir = CadMath.Normal(tp1, tp0, tp2);
Vector3d currentDir = Vector3d.Zero;
while (pointList.Count > 3)
{
if (state == 0)
{
i1 = CadUtil.FindMaxDistantPointIndex(p0, pointList);
if (i1 == -1)
{
return(triangles);
}
}
triangle = GetTriangleWithCenterPoint(pointList, i1);
tp0 = triangle.PointList[0].vector;
tp1 = triangle.PointList[1].vector;
tp2 = triangle.PointList[2].vector;
currentDir = CadMath.Normal(tp1, tp0, tp2);
bool hasIn = ListContainsPointInTriangle(pointList, triangle);
double scala = CadMath.InnerProduct(dir, currentDir);
if (!hasIn && (scala > 0))
{
triangles.Add(triangle);
pointList.RemoveAt(i1);
state = 0;
continue;
}
if (state == 0)
{
state = 1;
i1 = 0;
}
else if (state == 1)
{
i1++;
if (i1 >= pointList.Count)
{
break;
}
}
}
if (pointList.Count == 3)
{
triangle = CadFigure.Create(CadFigure.Types.POLY_LINES);
triangle.AddPoints(pointList, 0, 3);
triangle.IsLoop = true;
triangles.Add(triangle);
}
return(triangles);
}
