Add boundary checks for top edge key collection

2026-05-21 07:58:40 +02:00
parent 5a90ba88cc
commit a60a963a00
1 changed files with 8 additions and 0 deletions
--- a/tests/geometry/terrain-mesh.test.ts
+++ b/tests/geometry/terrain-mesh.test.ts
@@ -56,11 +56,19 @@ function collectTopEdgeKeys(options: {
      options.level.positions[positionOffset + varyingOffset]! /
      options.terrain.cellSize;
    const roundedVaryingSample = Math.round(varyingSample);
+    const maxVaryingSample =
+      options.axis === "x"
+        ? options.terrain.sampleCountZ - 1
+        : options.terrain.sampleCountX - 1;

    if (Math.abs(varyingSample - roundedVaryingSample) > epsilon) {
      continue;
    }

+    if (roundedVaryingSample === 0 || roundedVaryingSample === maxVaryingSample) {
+      continue;
+    }
+
    const sampleX =
      options.axis === "x"
        ? options.sampleCoordinate