public static Snap.Geom.Transform GetElecTransWcsToAcs(Snap.Vector baseDir, Snap.Orientation wcs)
{
var wcsOrientation = GetStandardOrientation(wcs);
var acsOrientation = Snap.Orientation.Identity;
var transR = Snap.Geom.Transform.CreateRotation(acsOrientation, wcsOrientation);
var baseFaceOrientation = new Snap.Orientation(-baseDir.Copy(transR));
baseFaceOrientation = GetSidelongOrientation(baseFaceOrientation);
transR = Snap.Geom.Transform.Composition(transR, Snap.Geom.Transform.CreateRotation(acsOrientation, baseFaceOrientation));
return(transR);
}
/// <summary>
/// 获取摄像机视角
/// </summary>
public static Snap.Orientation GetCameraOrientation(Snap.Orientation ori, Electrode elec = null)
{
var wcsOrientation = Electrode.GetStandardOrientation(Snap.Globals.WcsOrientation);
var acsOrientation = Snap.Orientation.Identity;
var transR = Snap.Geom.Transform.CreateRotation(acsOrientation, wcsOrientation);
var X = new Snap.Vector(ori.AxisX.X, ori.AxisX.Y, ori.AxisX.Z).Copy(transR);
var Y = new Snap.Vector(ori.AxisY.X, ori.AxisY.Y, ori.AxisY.Z).Copy(transR);
if (elec != null)
{
var baseDirOrientation = Electrode.GetSidelongOrientation(new Snap.Orientation(-elec.BaseFace.GetFaceDirection()));
var transR1 = Snap.Geom.Transform.CreateRotation(baseDirOrientation, wcsOrientation);
X = X.Copy(transR1);
Y = Y.Copy(transR1);
}
return(new Snap.Orientation(X, Y));
}
/// <summary>
/// 获取基准角法向
/// </summary>
public static Snap.Vector GetBaseCornerDirection(Snap.Vector director, Snap.NX.Body body, Snap.Position basePoint)
{
var vec = new Snap.Vector();
director = director.Copy(Snap.Geom.Transform.CreateRotation(basePoint, 90));
Snap.NX.Face baseFace = null;
var faces = body.Faces.ToList();
faces.ForEach(u =>
{
var box = u.BoxUV;
var p1 = u.Position((box.MinU + box.MaxU) / 2, (box.MaxV + box.MinV) / 2);
if (SnapEx.Helper.Equals(p1, basePoint, _tolerance))
{
baseFace = u;
return;
}
});
if (baseFace != null)
{
faces.Remove(baseFace);
faces.ForEach(u =>
{
if (u.ObjectSubType == Snap.NX.ObjectTypes.SubType.FacePlane &&
u.Box.MaxZ > basePoint.Z &&
SnapEx.Helper.Equals(u.GetFaceDirection(), director) &&
SnapEx.Helper.Equals(u.GetFaceDirection(), -director)
)
{
u.Color = System.Drawing.Color.Red;
}
});
}
return(vec);
}
