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Allow router cursor snapping to points on the arc. 

Also don't disable grid snapping when holding Shift over arcs.
This commit is contained in:
Alex 2022-11-20 03:54:11 +05:00
parent 110bc6abd1
commit dd2f19ca5f
1 changed files with 23 additions and 8 deletions
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31
pcbnew/tools/pcb_grid_helper.cpp
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@ -133,17 +133,22 @@ VECTOR2I PCB_GRID_HELPER::AlignToSegment( const VECTOR2I& aPoint, const SEG& aSe
VECTOR2I PCB_GRID_HELPER::AlignToArc( const VECTOR2I& aPoint, const SHAPE_ARC& aArc )
{
VECTOR2I aligned = Align( aPoint );
if( !m_enableSnap )
return aPoint;
return aligned;
const VECTOR2D gridOffset( GetOrigin() );
const VECTOR2D gridSize( GetGrid() );
std::vector<VECTOR2I> points;
VECTOR2I nearest( KiROUND( ( aPoint.x - gridOffset.x ) / gridSize.x ) * gridSize.x + gridOffset.x,
KiROUND( ( aPoint.y - gridOffset.y ) / gridSize.y ) * gridSize.y + gridOffset.y );
aArc.IntersectLine( SEG( aligned, aligned + VECTOR2( 1, 0 ) ), &points );
aArc.IntersectLine( SEG( aligned, aligned + VECTOR2( 0, 1 ) ), &points );
aArc.IntersectLine( SEG( aligned, aligned + VECTOR2( 1, 1 ) ), &points );
aArc.IntersectLine( SEG( aligned, aligned + VECTOR2( 1, -1 ) ), &points );
int min_d = std::numeric_limits<int>::max();
VECTOR2I nearest = aligned;
int min_d = std::numeric_limits<int>::max();
// Snap by distance between pointer and endpoints
for( const VECTOR2I& pt : { aArc.GetP0(), aArc.GetP1() } )
{
int d = ( pt - aPoint ).EuclideanNorm();
@ -153,8 +158,18 @@ VECTOR2I PCB_GRID_HELPER::AlignToArc( const VECTOR2I& aPoint, const SHAPE_ARC& a
min_d = d;
nearest = pt;
}
else
break;
}
// Snap by distance between aligned cursor and intersections
for( const VECTOR2I& pt : points )
{
int d = ( pt - aligned ).EuclideanNorm();
if( d < min_d )
{
min_d = d;
nearest = pt;
}
}
return nearest;