Fix panic if mesh has unused vertex indices.

2023-03-31 20:09:54 +01:00 · 2023-03-31 20:09:54 +01:00 · 5d49ad8f3c
parent 8dac08d7a5
commit 5d49ad8f3c
1 changed files with 7 additions and 1 deletions
--- a/src/generate.rs
+++ b/src/generate.rs
@ -86,7 +86,13 @@ impl OutlineMeshExt for Mesh {
        let mut outlines = Vec::with_capacity(positions.len());
        for p in positions.iter() {
            let key = [FloatOrd(p[0]), FloatOrd(p[1]), FloatOrd(p[2])];
-            outlines.push(map.get(&key).unwrap().normalize_or_zero().to_array());
+            outlines.push(
+                map.get(&key)
+                    .copied()
+                    .unwrap_or(Vec3::ZERO)
+                    .normalize_or_zero()
+                    .to_array(),
+            );
        }
        self.insert_attribute(
            ATTRIBUTE_OUTLINE_NORMAL,