public override bool WorldDraw(AcGi.Drawable drawable, AcGi.WorldDraw wd)
{
var line = drawable as Line;
if (line != null)
{
//delta,这条直线所代表的三维向量
var vec = line.Delta.RotateBy(Math.PI / 2, Vector3d.ZAxis).GetNormal();
var pts = new Point3dCollection()
{
line.StartPoint + vec, line.EndPoint + vec,
line.EndPoint - vec, line.StartPoint - vec,
};
wd.Geometry.Polygon(pts);
var hatch = new Hatch();
var pts2d = new Point2dCollection();
var bulge = new DoubleCollection();
foreach (Point3d pt3d in pts)
{
pts2d.Add(new Point2d(pt3d.X, pt3d.Y));
bulge.Add(0);
}
hatch.AppendLoop(HatchLoopTypes.Default, pts2d, bulge);
hatch.SetHatchPattern(HatchPatternType.PreDefined, "ANGLE");
hatch.WorldDraw(wd);
}
return(base.WorldDraw(drawable, wd));
}
public override bool WorldDraw(AcGi.Drawable drawable, AcGi.WorldDraw wd)
{
var wall = drawable as Line;
if (wall != null)
{
var data = DBHelper.GetNODData(CommandJson.AppName, wall.Id.ToString())?.Data?.AsArray();
var wallParam = JsonConvert.DeserializeObject <Wall>(
data[1].Value.ToString()
);
var dir = new Vector2d(wallParam.Dir.X, wallParam.Dir.Y)
.GetNormal() * wallParam.Size.H;
var vertDir = dir.RotateBy(Math.PI / 2)
.GetNormal() * wallParam.Size.W * 0.5;
var startPt = new Point2d(wallParam.Pos.X, wallParam.Pos.Y);
var endPt = startPt + dir;
var poly = new Polyline(4);
poly.AddVertexAt(poly.NumberOfVertices, startPt + vertDir, 0, 0, 0);
poly.AddVertexAt(poly.NumberOfVertices, startPt - vertDir, 0, 0, 0);
poly.AddVertexAt(poly.NumberOfVertices, endPt - vertDir, 0, 0, 0);
poly.AddVertexAt(poly.NumberOfVertices, endPt + vertDir, 0, 0, 0);
poly.Closed = true;
var hatch = new Hatch();
hatch.SetHatchPattern(HatchPatternType.PreDefined, wallParam.Hatch);
hatch.PatternAngle = dir.Angle - Math.PI / 2;
var loop = new HatchLoop(HatchLoopTypes.Polyline);
for (int i = 0; i < poly.NumberOfVertices; i++)
{
loop.Polyline.Add(new BulgeVertex(poly.GetPoint2dAt(i), poly.GetBulgeAt(i)));
}
hatch.AppendLoop(loop);
poly.WorldDraw(wd);
hatch.WorldDraw(wd);
}
//return base.WorldDraw(drawable, wd);
return(true);
}
/*重写该方法*/
public override bool WorldDraw(AcGi.Drawable drawable, AcGi.WorldDraw wd)
{
Matrix3d matrix = Matrix3d.Rotation(Math.PI / 2, Vector3d.ZAxis, Point3d.Origin);
Entity ent1 = drawable as Entity;
if (ent1.ObjectId != ObjectId.Null)
{
Entity copyEnt = ent1.GetTransformedCopy(matrix);
copyEnt.WorldDraw(wd);
copyCollection.Add(copyEnt);
}
return(base.WorldDraw(drawable, wd));
}
public override bool WorldDraw(AcGi.Drawable drawable, AcGi.WorldDraw wd)
{
var donut = drawable as Circle;
if (donut != null)
{
var xdata = donut.GetXData(CommandClass.AppName);
if (xdata != null && xdata.Length > 0)
{
var outRad = (double)xdata[0].Value;
var outCircle = new Circle(donut.Center, donut.Normal, outRad);
outCircle.WorldDraw(wd);
var hatch = new Hatch();
hatch.SetHatchPattern(HatchPatternType.PreDefined, "BOX");
hatch.AppendLoop(HatchLoopTypes.Default, new Curve2dCollection()
{
new CircularArc2d(new Point2d(donut.Center.X, donut.Center.Y),
donut.Radius),
}, new IntegerCollection()
{
0
});
hatch.AppendLoop(HatchLoopTypes.Default, new Curve2dCollection()
{
new CircularArc2d(new Point2d(outCircle.Center.X, outCircle.Center.Y),
outCircle.Radius),
}, new IntegerCollection()
{
0
});
hatch.WorldDraw(wd);
base.WorldDraw(drawable, wd);
}
}
return(false);
}