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Fixes lp Bug #1828747 - Add some epsilon value to ray dir on orthographic mode 

so they will not be zero when viewing the board com the top/bot.
This was causing problems with BBox intersect function that was using
invDir values.
This commit is contained in:
Mario Luzeiro 2019-05-13 22:14:15 +01:00 committed by jean-pierre charras
parent ef5c69167a
commit b9a17b928a
1 changed files with 2 additions and 2 deletions
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4
3d-viewer/3d_rendering/ccamera.cpp
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@ -310,7 +310,7 @@ void CCAMERA::MakeRay( const SFVEC2I &aWindowPos,
case PROJECTION_ORTHO: case PROJECTION_ORTHO:
aOutOrigin = up_plus_right * 0.5f + m_frustum.nc; aOutOrigin = up_plus_right * 0.5f + m_frustum.nc;
aOutDirection = -m_dir; aOutDirection = -m_dir + SFVEC3F( FLT_EPSILON );
break; break;
} }
} }
@ -341,7 +341,7 @@ void CCAMERA::MakeRay( const SFVEC2F &aWindowPos, SFVEC3F &aOutOrigin, SFVEC3F &
case PROJECTION_ORTHO: case PROJECTION_ORTHO:
aOutOrigin = up_plus_right * 0.5f + m_frustum.nc; aOutOrigin = up_plus_right * 0.5f + m_frustum.nc;
aOutDirection = -m_dir; aOutDirection = -m_dir + SFVEC3F( FLT_EPSILON );
break; break;
} }
} }