1 files changed, 10 insertions, 0 deletions
diff --git a/src/f32/vec3.rs b/src/f32/vec3.rs
index b049ed8..2838a63 100644
--- a/src/f32/vec3.rs
+++ b/src/f32/vec3.rs
@@ -306,6 +306,16 @@ impl Vec3 {
         }
     }
 
+    /// Returns a vector with signs of `rhs` and the magnitudes of `self`.
+    #[inline]
+    pub fn copysign(self, rhs: Self) -> Self {
+        Self {
+            x: self.x.copysign(rhs.x),
+            y: self.y.copysign(rhs.y),
+            z: self.z.copysign(rhs.z),
+        }
+    }
+
     /// Returns a bitmask with the lowest 3 bits set to the sign bits from the elements of `self`.
     ///
     /// A negative element results in a `1` bit and a positive element in a `0` bit.  Element `x` goes