Files
OpenNest/OpenNest.Core/Splitting/SplitLine.cs
AJ Isaacs df18b72881 feat: add SplitLineIntersect helper for entity-splitline intersection
Add ToLine() to SplitLine and create SplitLineIntersect static class with
FindIntersection, CrossesSplitLine, and SideOf methods for testing entity
intersections against split lines. These helpers support the upcoming
Clipper2-free DrawingSplitter rewrite.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-24 18:04:21 -04:00

40 lines
1.3 KiB
C#

using OpenNest.Geometry;
using System.Collections.Generic;
namespace OpenNest;
/// <summary>
/// Defines a split line at a position along an axis.
/// For Vertical, Position is the X coordinate. For Horizontal, Position is the Y coordinate.
/// </summary>
public class SplitLine
{
public double Position { get; }
public CutOffAxis Axis { get; }
/// <summary>
/// Optional custom center positions for features (tabs/spikes) along the split line.
/// Values are absolute coordinates on the perpendicular axis.
/// When empty, feature generators use their default even spacing.
/// </summary>
public List<double> FeaturePositions { get; set; } = new();
public SplitLine(double position, CutOffAxis axis)
{
Position = position;
Axis = axis;
}
/// <summary>
/// Returns a Line entity at the split position spanning the given extent range.
/// For Vertical: line from (Position, extentStart) to (Position, extentEnd).
/// For Horizontal: line from (extentStart, Position) to (extentEnd, Position).
/// </summary>
public Line ToLine(double extentStart, double extentEnd)
{
return Axis == CutOffAxis.Vertical
? new Line(Position, extentStart, Position, extentEnd)
: new Line(extentStart, Position, extentEnd, Position);
}
}