From 2209f509937e914e4d95b408916b6e0679f424af Mon Sep 17 00:00:00 2001
From: Josh Wilson <hatjosh@users.sourceforge.net>
Date: Thu, 1 Feb 2007 01:12:40 +0000
Subject: [PATCH] assert that mass is > 0

---
 panda/src/physics/physicsObject.I | 1 +
 1 file changed, 1 insertion(+)

diff --git a/panda/src/physics/physicsObject.I b/panda/src/physics/physicsObject.I
index 5840d23e49..c2bd4d07f8 100644
--- a/panda/src/physics/physicsObject.I
+++ b/panda/src/physics/physicsObject.I
@@ -23,6 +23,7 @@
 ////////////////////////////////////////////////////////////////////
 INLINE void PhysicsObject::
 set_mass(float m) {
+  nassertv(m > 0);
   _mass = m;
 }