feat(engine): add finite assert in Vec3::normalize

1 files changed, 8 insertions, 6 deletions

diff --git a/engine/src/data_types/vector.rs b/engine/src/data_types/vector.rs
index dfe9a99..64c6b53 100644
--- a/engine/src/data_types/vector.rs
+++ b/engine/src/data_types/vector.rs
@@ -143,16 +143,18 @@ impl Vec3<f32>
     }
 
     /// Normalizes the vector, returning a unit vector.
+    ///
+    /// // Panics
+    /// When debug assertions are enabled, if the length is zero or not finite,
+    /// this functions panics.
     #[must_use]
     pub fn normalize(&self) -> Self
     {
-        let length = self.length();
+        let length_recip = 1.0 / self.length();
 
-        Self {
-            x: self.x / length,
-            y: self.y / length,
-            z: self.z / length,
-        }
+        debug_assert!(length_recip.is_finite());
+
+        *self * length_recip
     }
 
     /// Returns the cross product of this and another vector.