Prevent division by zero in offsetLine

maplibre · Mar 20, 2022 · 4d5905e · 4d5905e
1 parent 31b2c8f
commit 4d5905e
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/style/query_utils.ts b/src/style/query_utils.ts
@@ -58,7 +58,9 @@ export function offsetLine(rings, offset) {
             const extrude = aToB._add(bToC)._unit();
 
             const cosHalfAngle = extrude.x * bToC.x + extrude.y * bToC.y;
-            extrude._mult(1 / cosHalfAngle);
+            if (cosHalfAngle !== 0) {
+                extrude._mult(1 / cosHalfAngle);
+            }
 
             newRing.push(extrude._mult(offset)._add(b));
         }