Fix return type within pointInside2

This commit is contained in:
Marek Roszko 2021-02-20 11:55:55 -05:00
parent 907e282347
commit 6fce39607e
1 changed files with 16 additions and 9 deletions

View File

@ -268,14 +268,21 @@ bool RESTRICT_VERTEX_RANGE_CONSTRAINT::Check( int aVertex1, int aVertex2, const
return true;
}
// fixme: integrate into SHAPE_LINE_CHAIN, check corner cases against current PointInside implementation
/**
* Determine if a point is located within a given polygon
*
* @todo fixme: integrate into SHAPE_LINE_CHAIN, check corner cases against current PointInside implementation
*
* @param aL Polygon
* @param aP Point to check for location within the polygon
*
* @return false if point is not polygon boundary aL, true if within or on the polygon boundary
*/
static bool pointInside2( const SHAPE_LINE_CHAIN& aL, const VECTOR2I& aP )
{
if( !aL.IsClosed() || aL.SegmentCount() < 3 )
return false;
// returns 0 if false, +1 if true, -1 if pt ON polygon boundary
int result = 0;
size_t cnt = aL.PointCount();
@ -288,7 +295,7 @@ static bool pointInside2( const SHAPE_LINE_CHAIN& aL, const VECTOR2I& aP )
if( ipNext.y == aP.y )
{
if( (ipNext.x ==aP.x) || ( ip.y == aP.y && ( (ipNext.x >aP.x) == (ip.x <aP.x) ) ) )
return -1;
return true; // pt on polyground boundary
}
if( (ip.y <aP.y) != (ipNext.y <aP.y) )
@ -299,13 +306,13 @@ static bool pointInside2( const SHAPE_LINE_CHAIN& aL, const VECTOR2I& aP )
result = 1 - result;
else
{
double d = static_cast<double>( ip.x - aP.x ) *
double d = static_cast<double>( ip.x - aP.x ) *
static_cast<double>( ipNext.y - aP.y ) -
static_cast<double>( ipNext.x - aP.x ) *
static_cast<double>( ipNext.x - aP.x ) *
static_cast<double>( ip.y - aP.y );
if( !d )
return -1;
return true; // pt on polyground boundary
if( (d > 0) == (ipNext.y > ip.y) )
result = 1 - result;
@ -319,7 +326,7 @@ static bool pointInside2( const SHAPE_LINE_CHAIN& aL, const VECTOR2I& aP )
((double)ipNext.x -aP.x) * ((double)ip.y -aP.y);
if( !d )
return -1;
return true; // pt on polyground boundary
if( (d > 0) == (ipNext.y > ip.y) )
result = 1 - result;
@ -585,7 +592,7 @@ bool OPTIMIZER::Optimize( LINE* aLine, LINE* aResult )
auto c = new PRESERVE_VERTEX_CONSTRAINT( m_world, m_preservedVertex );
AddConstraint( c );
}
if( m_effortLevel & RESTRICT_VERTEX_RANGE )
{
auto c = new RESTRICT_VERTEX_RANGE_CONSTRAINT( m_world, m_restrictedVertexRange.first,