From ebfffe5c09290b397b5caa7d76d5c74380faa625 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Sun, 8 Mar 2026 20:09:01 -0400
Subject: [PATCH] fixed minor buck in resolve collision where b's impule was
 calculated with a's mass

---
 main.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.py b/main.py
index 841ab51..49238fd 100644
--- a/main.py
+++ b/main.py
@@ -86,7 +86,7 @@ class PhysicsSystem:
         restitution = a.restitution * b.restitution
         impulse = (-(1 + restitution) * (collision.normal.dot(v_rel))) / (a.inv_mass + b.inv_mass)
         a.velocity += collision.normal*impulse*a.inv_mass
-        b.velocity -= collision.normal*impulse*a.inv_mass
+        b.velocity -= collision.normal*impulse*b.inv_mass
 
     def resolve_bounds(self, body: RigidBody) -> None:
         r = body.collider.radius