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0032604: Visualization, AIS_LightSource - improve dragging robustness

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This commit is contained in:
kgv 2021-10-04 13:26:35 +03:00 committed by smoskvin
parent 956d91571c
commit f9ae10ed21
3 changed files with 16 additions and 9 deletions
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18
src/AIS/AIS_LightSource.cxx
View File

@ -257,27 +257,29 @@ Standard_Boolean AIS_LightSource::ProcessDragging (const Handle(AIS_InteractiveC
{
case AIS_DragAction_Start:
{
myStartTransform = theDragFrom;
myLocTrsfStart = LocalTransformation();
return Standard_True;
}
case AIS_DragAction_Update:
{
theCtx->MainSelector()->Pick (myStartTransform.x(), myStartTransform.y(), theView);
mySensSphere->ResetLastDetectedPoint();
SetLocalTransformation (myLocTrsfStart);
theCtx->MainSelector()->Pick (theDragFrom.x(), theDragFrom.y(), theView);
gp_Pnt aStartPosition = mySensSphere->LastDetectedPoint();
mySensSphere->ResetLastDetectedPoint();
theCtx->MainSelector()->Pick (theDragTo.x(), theDragTo.y(), theView);
gp_Pnt aCurrPosition = mySensSphere->LastDetectedPoint();
if (aCurrPosition.X() != RealLast() && aStartPosition.Distance (aCurrPosition) > Precision::Confusion())
if (aCurrPosition.X() != RealLast()
&& aStartPosition.Distance (aCurrPosition) > Precision::Confusion())
{
gp_Quaternion aQRot;
aQRot.SetRotation (gp_Vec (gp_Pnt (0, 0, 0), aStartPosition), gp_Vec (gp_Pnt (0, 0, 0), aCurrPosition));
gp_Trsf aTrsf;
aTrsf.SetRotation (aQRot);
SetLocalTransformation (myLocTrsfStart * aTrsf);
myLocTrsfStart = LocalTransformation();
myStartTransform = theDragTo;
theOwner->Selectable()->ClearDynamicHighlight (theCtx->MainPrsMgr());
theCtx->HilightWithColor (this, Handle(Prs3d_Drawer)(), false);
const Standard_Integer aHiMod = HasHilightMode() ? HilightMode() : 0;
theOwner->UpdateHighlightTrsf (theCtx->CurrentViewer(), theCtx->MainPrsMgr(), aHiMod);
}
return Standard_True;
}
@ -475,7 +477,7 @@ void AIS_LightSource::updateLightLocalTransformation()
// =======================================================================
void AIS_LightSource::setLocalTransformation (const Handle(TopLoc_Datum3D)& theTrsf)
{
const gp_Trsf aTrsf = theTrsf->Transformation();
const gp_Trsf aTrsf = !theTrsf.IsNull() ? theTrsf->Transformation() : gp_Trsf();
switch (myLightSource->Type())
{
case Graphic3d_TypeOfLightSource_Ambient:

1
src/AIS/AIS_LightSource.hxx
View File

@ -259,7 +259,6 @@ protected:
Aspect_TypeOfMarker myCodirMarkerType; //!< icon of arrow co-directional to camera direction (look from)
Aspect_TypeOfMarker myOpposMarkerType; //!< icon of arrow opposite to camera direction (look at)
Graphic3d_Vec2i myStartTransform; //!< position of starting transformation
gp_Trsf myLocTrsfStart; //!< object transformation before transformation
Standard_Real mySize; //!< presentation size
Standard_Integer myNbArrows; //!< number of directional light arrows

6
src/Select3D/Select3D_SensitiveSphere.hxx
View File

@ -58,6 +58,12 @@ public:
//! Returns the position of detected point on the sphere.
const gp_Pnt& LastDetectedPoint() const { return myLastDetectedPoint; }
//! Invalidate the position of detected point on the sphere.
void ResetLastDetectedPoint()
{
myLastDetectedPoint = gp_Pnt (RealLast(), RealLast(), RealLast());
}
protected:
gp_Pnt myCenter;
gp_Pnt myLastDetectedPoint;