public void UpdateMeasurePoint(Vector3d point, CoordSpace eSpace, int nPointNum, bool isFixedPoint = true)
{
if (eSpace == CoordSpace.ObjectCoords)
{
throw new NotSupportedException("TwoPointMeasureTool.UpdateMeasurePoint");
}
Vector3d pointS = (eSpace == CoordSpace.SceneCoords) ? point : scene.ToSceneP(point);
int i = MathUtil.Clamp(nPointNum, 0, 1);
setPointsS[i] = pointS;
snappedPointsS[i] = setPointsS[i];
point_initialized[i] = true;
if (isFixedPoint)
{
return;
}
// snap
List <SceneObject> targets = (SpecificTargets != null) ? SpecificTargets : new List <SceneObject>(scene.SceneObjects);
float fAvgSnapDist = 0;
int avgcount = 0;
foreach (var so in targets)
{
fAvgSnapDist += VRUtil.GetVRRadiusForVisualAngle(so.GetLocalFrame(CoordSpace.WorldCoords).Origin,
scene.ActiveCamera.GetPosition(), snapThresholdAngle);
avgcount++;
}
if (avgcount == 0)
{
return;
}
fAvgSnapDist /= avgcount;
SORayHit nearestW;
Vector3d pointW = (eSpace == CoordSpace.WorldCoords) ? point : scene.ToWorldP(point);
if (SceneUtil.FindNearestPoint(targets, pointW, fAvgSnapDist, out nearestW, CoordSpace.WorldCoords))
{
snappedPointsS[i] = scene.ToSceneP(nearestW.hitPos);
}
}
