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* lower Winding_Clip ON_EPSILON to play with weird brushes w/o error

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Garux 2018-12-21 14:45:12 +03:00
parent 2f867c99d9
commit ab0f376d4a
1 changed files with 3 additions and 6 deletions
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9
radiant/winding.cpp
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@ -188,22 +188,19 @@ void WindingVertex_ClassifyPlane( const Vector3& vertex, const Plane3& plane, br
}
#define DEBUG_EPSILON ON_EPSILON
const double DEBUG_EPSILON_SQUARED = DEBUG_EPSILON * DEBUG_EPSILON;
#define WINDING_DEBUG 0
const double ON_EPSILON_CLIP = 1.0 / ( 1 << 12 );
/// \brief Clip \p winding which lies on \p plane by \p clipPlane, resulting in \p clipped.
/// If \p winding is completely in front of the plane, \p clipped will be identical to \p winding.
/// If \p winding is completely in back of the plane, \p clipped will be empty.
/// If \p winding intersects the plane, the edge of \p clipped which lies on \p clipPlane will store the value of \p adjacent.
void Winding_Clip( const FixedWinding& winding, const Plane3& plane, const Plane3& clipPlane, std::size_t adjacent, FixedWinding& clipped ){
PlaneClassification classification = Winding_ClassifyDistance( plane3_distance_to_point( clipPlane, winding.back().vertex ), ON_EPSILON );
PlaneClassification classification = Winding_ClassifyDistance( plane3_distance_to_point( clipPlane, winding.back().vertex ), ON_EPSILON_CLIP );
PlaneClassification nextClassification;
// for each edge
for ( std::size_t next = 0, i = winding.size() - 1; next != winding.size(); i = next, ++next, classification = nextClassification )
{
nextClassification = Winding_ClassifyDistance( plane3_distance_to_point( clipPlane, winding[next].vertex ), ON_EPSILON );
nextClassification = Winding_ClassifyDistance( plane3_distance_to_point( clipPlane, winding[next].vertex ), ON_EPSILON_CLIP );
const FixedWindingVertex& vertex = winding[i];
// if first vertex of edge is ON