feat: add DirectRapidPlanner with line-shape intersection check

OpenNest.Engine/RapidPlanning/DirectRapidPlanner.cs

@@ -0,0 +1,44 @@
+using System.Collections.Generic;
+using OpenNest.Geometry;
+
+namespace OpenNest.Engine.RapidPlanning
+{
+    public class DirectRapidPlanner : IRapidPlanner
+    {
+        public RapidPath Plan(Vector from, Vector to, IReadOnlyList<Shape> cutAreas)
+        {
+            var travelLine = new Line(from, to);
+
+            foreach (var cutArea in cutAreas)
+            {
+                if (TravelLineIntersectsShape(travelLine, cutArea))
+                {
+                    return new RapidPath
+                    {
+                        HeadUp = true,
+                        Waypoints = new List<Vector>()
+                    };
+                }
+            }
+
+            return new RapidPath
+            {
+                HeadUp = false,
+                Waypoints = new List<Vector>()
+            };
+        }
+
+        private static bool TravelLineIntersectsShape(Line travelLine, Shape shape)
+        {
+            foreach (var entity in shape.Entities)
+            {
+                if (entity is Line edge)
+                {
+                    if (travelLine.Intersects(edge, out _))
+                        return true;
+                }
+            }
+            return false;
+        }
+    }
+}