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Assembly: Fix Object disappears when dragging with slider #12449

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PaddleStroke
2024-02-26 15:56:01 +01:00
committed by Yorik van Havre
parent d436138b8d
commit e7477f727f
1 changed files with 11 additions and 1 deletions
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12
src/Gui/View3DInventorViewer.cpp
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@@ -2732,7 +2732,17 @@ SbVec3f View3DInventorViewer::getPointOnLine(const SbVec2s& pnt, const SbVec3f&
SbVec3f pt, ptOnFocalPlaneAndOnLine, ptOnFocalPlane;
SbPlane focalPlane = vol.getPlane(focalDist);
vol.projectPointToLine(pnt2d, line);
focalPlane.intersect(line, ptOnFocalPlane);
if (!focalPlane.intersect(line, ptOnFocalPlane)) {
return {}; // No intersection found
}
// Check if line is orthogonal to the focal plane
SbVec3f focalPlaneNormal = focalPlane.getNormal();
float dotProduct = fabs(axis.dot(focalPlaneNormal));
if (dotProduct > 1.0 - 1e-6) {
return {};
}
SbLine projectedLine = projectLineOntoPlane(axisCenter, axisCenter + axis, focalPlane);
ptOnFocalPlaneAndOnLine = projectedLine.getClosestPoint(ptOnFocalPlane);