Fix #4830

2022-12-08 16:26:28 +08:00 · 2022-12-08 16:26:28 +08:00 · 92a3035fb2
commit 92a3035fb2
parent ddc0b9d1ed
1 changed files with 1 additions and 1 deletions
--- a/src/physics/physics.hpp
+++ b/src/physics/physics.hpp
@ -81,7 +81,7 @@ private:
        /** Tests if two collision pairs involve the same objects. This test
         *  is simplified (i.e. no test if p.b==a and p.a==b) since the
         *  elements are sorted. */
-        bool operator==(const CollisionPair &p)
+        bool operator==(const CollisionPair &p) const
        {
            return (p.m_up[0]==m_up[0] && p.m_up[1]==m_up[1]);
        }   // operator==