From: kgv <kgv@opencascade.com>
Date: Thu, 25 Feb 2021 11:10:18 +0000 (+0300)
Subject: 0032168: Visualization - Wrong computation of screen axis in V3d_View::SetTwist method
X-Git-Tag: V7_6_0_beta~249
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=1507ccda406866a8335af2f26a8dacfb67832a40;p=occt.git

0032168: Visualization - Wrong computation of screen axis in V3d_View::SetTwist method

Fixed wrong axis check.
---

diff --git a/src/V3d/V3d_View.cxx b/src/V3d/V3d_View.cxx
index 6b0b828044..8683c77d19 100644
--- a/src/V3d/V3d_View.cxx
+++ b/src/V3d/V3d_View.cxx
@@ -969,7 +969,7 @@ void V3d_View::SetTwist(const Standard_Real angle)
   const gp_Dir aReferencePlane (aCamera->Direction().Reversed());
   if (!screenAxis (aReferencePlane, gp::DZ(), myXscreenAxis, myYscreenAxis, myZscreenAxis)
    && !screenAxis (aReferencePlane, gp::DY(), myXscreenAxis, myYscreenAxis, myZscreenAxis)
-   && !screenAxis (aReferencePlane, gp::DZ(), myXscreenAxis, myYscreenAxis, myZscreenAxis))
+   && !screenAxis (aReferencePlane, gp::DX(), myXscreenAxis, myYscreenAxis, myZscreenAxis))
   {
     throw V3d_BadValue ("V3d_ViewSetTwist, alignment of Eye,At,Up,");
   }