X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=Clipper%2Fclipper.cxx;h=2f9e4e3ca827ccb210ae971f85959b40dd1e2898;hb=549c16796211b17458b9e31e1cc57aef2442b94b;hp=0a10f32768f7ad3ea5f0e9053e62151a9e5e92a3;hpb=44550e6b70a80574c7a56a96e6ed4e2a4ab32e88;p=flightgear.git

diff --git a/Clipper/clipper.cxx b/Clipper/clipper.cxx
index 0a10f3276..2f9e4e3ca 100644
--- a/Clipper/clipper.cxx
+++ b/Clipper/clipper.cxx
@@ -223,7 +223,10 @@ bool FGClipper::clip_all(const point2d& min, const point2d& max) {
 	    }
 	    */
 
-	    polys_clipped.polys[i].push_back(result_diff);
+	    // only add to output list if the clip left us with a polygon
+	    if ( result_diff->num_contours > 0 ) {
+		polys_clipped.polys[i].push_back(result_diff);
+	    }
 	    accum = result_union;
 	}
     }
@@ -247,6 +250,9 @@ bool FGClipper::clip_all(const point2d& min, const point2d& max) {
 
 
 // $Log$
+// Revision 1.5  1999/03/19 22:28:46  curt
+// Only add non-null polygons to output list.
+//
 // Revision 1.4  1999/03/19 00:26:18  curt
 // Fixed a clipping bug (polygons specified in wrong order).
 // Touched up a few compiler warnings.