internal ArcEntity()
{
CenterPoint = new PointEntity();
Normal = DsVector.ByCoordinates(0, 0, 1);
Radius = 1;
StartAngle = 30;
SweepAngle = 60;
}
public virtual IVector TangentAtParameter(double param)
{
if (null != StartPoint && null != EndPoint)
{
return(DsVector.ByCoordinates(EndPoint.X - StartPoint.X, EndPoint.Y - StartPoint.Y, EndPoint.Z - StartPoint.Z));
}
return(DsVector.ByCoordinates(param, param, param));
}
internal CoordinateEntity()
{
this.Origin = new PointEntity()
{
X = 0, Y = 0, Z = 0
};
this.XAxis = DsVector.ByCoordinates(1, 0, 0);
this.YAxis = DsVector.ByCoordinates(0, 1, 0);
this.ZAxis = DsVector.ByCoordinates(0, 0, 1);
}
public IVector[] GetVertexNormals()
{
return(new DsVector[2] {
DsVector.ByCoordinates(0, 0, 1), DsVector.ByCoordinates(1, 0, 0)
});
}
internal CircleEntity()
{
this.CenterPoint = new PointEntity(0, 0, 0);
this.Radius = 3;
this.Normal = DsVector.ByCoordinates(0, 0, 1);
}
internal IVector directionTo(IPointEntity point)
{
return(DsVector.ByCoordinates(point.X - this.X, point.Y - this.Y, point.Z - this.Z));
}
internal PlaneEntity()
{
this.Origin = new PointEntity();
this.Normal = DsVector.ByCoordinates(0, 0, 1);
this.contextCS = new CoordinateEntity();
}
public void UpdateCuboid(double[] data, double length, double width, double height)
{
PointEntity origin = new PointEntity(data[0], data[1], data[2]);
ContextCoordinateSystem.Set(origin, DsVector.ByCoordinates(length, 0, 0), DsVector.ByCoordinates(0, width, 0), DsVector.ByCoordinates(0, 0, height));
}
public IVector NormalAtParameter(double u, double v)
{
return(DsVector.ByCoordinates(u, v, u + v));
}
public virtual IVector NormalAtParameter(double param)
{
return(DsVector.ByCoordinates(param, param, param));
}
public IVectorEntity NormalAtPoint(IPointEntity point)
{
return(DsVector.ByCoordinates(point.X, point.Y, point.Z));
}
public IVectorEntity TangentAtVParameter(double u, double v)
{
return(DsVector.ByCoordinates(0, u, v));
}
