From e7e30f489171a8f3a019f8ca35d691938e546e7b Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Fri, 8 Mar 2024 01:19:22 +0000
Subject: Bail out early if the input does not define an area

---
 game/geoData.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/game/geoData.cpp b/game/geoData.cpp
index 8c635a0..9a08a89 100644
--- a/game/geoData.cpp
+++ b/game/geoData.cpp
@@ -381,6 +381,10 @@ GeoData::triangleContainsTriangle(const Triangle<2> & a, const Triangle<2> & b)
 void
 GeoData::setHeights(const std::span<const GlobalPosition3D> triangleStrip)
 {
+	if (triangleStrip.size() < 3) {
+		return;
+	}
+
 	// Create new vertices
 	std::vector<VertexHandle> newVerts;
 	newVerts.reserve(newVerts.size());
-- 
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