/// <summary>
/// Detects parallelism with other geometry points
/// </summary>
/// <param name = "currentPoint"></param>
/// <param name = "initialPosition"></param>
/// <returns></returns>
public SolverPreviewObject GeometryParallel(Point3D currentPoint, Point3D initialPosition)
{
var qosLock = QosFactory.Instance.Get(QosNames.ParallelLineLock);
qosLock.Begin();
var vec = new gpVec(initialPosition.GpPnt, currentPoint.GpPnt);
foreach (var solverGeometricObject in LastGeometry)
{
if (solverGeometricObject.ParallelAxis.Count == 0)
{
continue;
}
foreach (var axis in solverGeometricObject.ParallelAxis)
{
if (vec.IsParallel(axis.Vector, _precision))
{
return(ProjectPointOnDirection(initialPosition, currentPoint, new gpDir(axis.Vector), Color.Black));
}
}
}
qosLock.End();
return(null);
}
public override void UpdatePointPosition(int index, Mouse3DPosition vertex)
{
var firstPoint = Dependency[0].TransformedPoint3D;
var secondPoint = Dependency[1].TransformedPoint3D;
var thirdPoint = Dependency[2].TransformedPoint3D;
if (firstPoint.IsEqual(vertex.Point) || secondPoint.IsEqual(vertex.Point) ||
thirdPoint.IsEqual(vertex.Point))
{
return;
}
if (firstPoint.IsEqual(new Point3D(0, 0, 0)))
{
var projectionOnP1P2 = GeomUtils.ProjectPointOnLine(firstPoint,
new gpDir(new gpVec(firstPoint.GpPnt,
secondPoint.GpPnt)),
vertex.Point);
if (projectionOnP1P2 != null)
{
if (projectionOnP1P2.Value.Distance(firstPoint) < Precision.Confusion)
{
return;
}
}
var projectionOnP2P3 = GeomUtils.ProjectPointOnLine(secondPoint,
new gpDir(new gpVec(secondPoint.GpPnt,
thirdPoint.GpPnt)),
vertex.Point);
if (projectionOnP2P3 != null)
{
if (projectionOnP2P3.Value.Distance(secondPoint) < Precision.Confusion)
{
return;
}
}
}
var vectorV2V1 = new gpVec(secondPoint.GpPnt, firstPoint.GpPnt);
var vectorV2V3 = new gpVec(secondPoint.GpPnt, thirdPoint.GpPnt);
if (vectorV2V1.IsParallel(vectorV2V3, Precision.Angular))
{
return;
}
var rectangleNormalVector = vectorV2V1.Crossed(vectorV2V3);
if (rectangleNormalVector.Magnitude < Precision.Confusion)
{
return;
}
switch (index)
{
case 0:
SetFirstPointDraggingHandle(thirdPoint, vertex);
break;
case 1:
SetSecondPointDraggingHandle(vectorV2V1, vertex, secondPoint);
break;
case 2:
SetLeftArrowDraggingHandle(firstPoint, vertex, thirdPoint);
break;
case 3:
SetTopArrowDraggingHandle(thirdPoint, vertex, firstPoint);
break;
case 4:
SetRightArrowDraggingHandle(vertex);
break;
case 5:
SetBottomArrowDraggingHandle(firstPoint, vertex);
break;
}
}