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Diffstat (limited to 'demos/opengl/trackball.cpp')
| -rw-r--r-- | demos/opengl/trackball.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/demos/opengl/trackball.cpp b/demos/opengl/trackball.cpp index 77ac790c8..7c2da8e96 100644 --- a/demos/opengl/trackball.cpp +++ b/demos/opengl/trackball.cpp @@ -23,7 +23,7 @@ void Trackball::track(const Vector2i& point2D) { Vector3f axis = mLastPoint3D.cross(newPoint3D).normalized(); float cos_angle = mLastPoint3D.dot(newPoint3D); - if ( internal::abs(cos_angle) < 1.0 ) + if ( std::abs(cos_angle) < 1.0 ) { float angle = 2. * acos(cos_angle); if (mMode==Around) |