public static (double volume, Point3D center)? GetVolumeAndMassCenter(this IINode node)
{
try
{
bool toDelete = false;
ITriObject triObject = node.GetTriObjectFromNodeInCurrentTime(out toDelete);
(double volume, IDPoint3 center)? ret = triObject.GetVolumeAndMassCenter();
// Delete the triObject
//triObject.DeleteAllRefsToMe();
// Gets the WORLD position
IDMatrix3 tm = node.GetObjectTM(MaxInterface.Time, null).ToDMatrix3();
IDPoint3 worldCenter = MaxGlobal.Multiply(tm, ret.Value.center);
return(ret.Value.volume, worldCenter.ToPoint3D());
}
catch
{
return(null);
}
}
unsafe protected TRS GetTransform(IINode node)
{
TRS t = new TRS();
IMatrix3 tm = node.GetObjectTM(0, _gi.Interval.Create());
IAffineParts affine = _gi.AffineParts.Create();
_gi.DecompAffine( tm, affine);
t.Translate = affine.T.ToPoint3();
t.Scale = affine.K.ToPoint3();
float roll = 0;
float pitch = 0;
float yaw = 0;
GCHandle hRoll = GCHandle.Alloc(roll, GCHandleType.Pinned);
GCHandle hPitch = GCHandle.Alloc(pitch, GCHandleType.Pinned);
GCHandle hYaw = GCHandle.Alloc(yaw, GCHandleType.Pinned);
tm.GetYawPitchRoll(hYaw.AddrOfPinnedObject(), hPitch.AddrOfPinnedObject(), hRoll.AddrOfPinnedObject());
t.EulerRotation.x = (float)hPitch.Target;
t.EulerRotation.y = (float)hYaw.Target;
t.EulerRotation.z = (float)hRoll.Target;
hRoll.Free();
hYaw.Free();
hPitch.Free();
return t;
}