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Only compare collision-corrected routes when looking for shortest. 

Fixes https://gitlab.com/kicad/code/kicad/issues/6511
This commit is contained in:
Jeff Young 2020-12-19 23:19:38 +00:00
parent c8be87a654
commit 46314f6483
1 changed files with 3 additions and 2 deletions
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5
pcbnew/router/pns_line_placer.cpp
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@ -477,7 +477,8 @@ bool LINE_PLACER::rhWalkOnly( const VECTOR2I& aP, LINE& aNewHead )
bool LINE_PLACER::rhMarkObstacles( const VECTOR2I& aP, LINE& aNewHead )
{
LINE newHead( m_head ), bestHead( m_head );
LINE newHead( m_head );
LINE bestHead( m_head );
bool hasBest = false;
buildInitialLine( aP, newHead );
@ -503,7 +504,7 @@ bool LINE_PLACER::rhMarkObstacles( const VECTOR2I& aP, LINE& aNewHead )
// We want the shortest line here to ensure we don't break a clearance
// rule on larger, overlapping items (e.g. vias)
if( newHead.CLine().Length() < bestHead.CLine().Length() )
if( !hasBest || newHead.CLine().Length() < bestHead.CLine().Length() )
{
bestHead = newHead;
hasBest = true;