1 files changed, 8 insertions, 0 deletions
diff --git a/src/dynamics/solver/delta_vel.rs b/src/dynamics/solver/delta_vel.rs
index 378d302..b50cb76 100644
--- a/src/dynamics/solver/delta_vel.rs
+++ b/src/dynamics/solver/delta_vel.rs
@@ -1,5 +1,6 @@
 use crate::math::{AngVector, Vector};
 use na::{Scalar, SimdRealField};
+use std::ops::AddAssign;
 
 #[derive(Copy, Clone, Debug)]
 //#[repr(align(64))]
@@ -16,3 +17,10 @@ impl<N: SimdRealField> DeltaVel<N> {
         }
     }
 }
+
+impl<N: SimdRealField> AddAssign for DeltaVel<N> {
+    fn add_assign(&mut self, rhs: Self) {
+        self.linear += rhs.linear;
+        self.angular += rhs.angular;
+    }
+}