From 0bd8b09ecff9f00873fc13dcd2a5662bf3efff61 Mon Sep 17 00:00:00 2001
From: Jordan Eldredge <jordan@jordaneldredge.com>
Date: Wed, 29 Apr 2020 14:12:07 -0700
Subject: [PATCH] Ignore polygons with fewer than three sides

---
 js/regionParser.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/js/regionParser.ts b/js/regionParser.ts
index 14e571c4..1825fb03 100644
--- a/js/regionParser.ts
+++ b/js/regionParser.ts
@@ -26,6 +26,11 @@ export default function regionParser(regionStr: string): RegionData {
     let pointIndex = 0;
     const polygons = pointCounts.map((numStr) => {
       const num = Number(numStr);
+      if (num < 3) {
+        // What use is a polygon with less than three sides?
+        pointIndex += num;
+        return null;
+      }
       const polygon = points.slice(pointIndex, pointIndex + num).join(" ");
       if (!polygon.length) {
         // It's possible that the skin author specified more polygons than provided points.