Add Polygon2d.Contains(Segment2d) method

Author: gregmeess

.gitignore

@@ -1,3 +1,6 @@
+# Folders
+.vs/
+
 # Compiled Object files
 *.slo
 *.lo

curve/Polygon2d.cs

@@ -333,8 +333,20 @@ public bool Contains(Polygon2d o) {
 			return true;
 		}
 
+        public bool Contains(Segment2d o)
+        {
+            if (Contains(o.P0) == false || Contains(o.P1) == false)
+                return false;
+
+            foreach (Segment2d seg in SegmentItr())
+            {
+                if (seg.Intersects(o))
+                    return false;
+            }
+            return true;
+        }
 
-		public bool Intersects(Polygon2d o) {
+        public bool Intersects(Polygon2d o) {
 			if ( ! this.GetBounds().Intersects( o.GetBounds() ) )
 				return false;