1 files changed, 8 insertions, 0 deletions
diff --git a/Vector.h b/Vector.h
index f884c49..ece1230 100644
--- a/Vector.h
+++ b/Vector.h
@@ -12,6 +12,14 @@ class Vector : public Vertex {
       return Vector(x+v.x, y+v.y, z+v.z);
     }
     
+    Vector& operator+=(const Vector &v) {
+      x += v.x;
+      y += v.y;
+      z += v.z;
+
+      return *this;
+    }
+
     Vector operator*(float f) const {
       return Vector(x*f, y*f, z*f);
     }