Fixed #2247.

2015-07-27 09:56:58 +10:00
parent 35949b198a
commit 95b86ea914
1 changed files with 2 additions and 1 deletions
--- a/src/physics/btKart.cpp
+++ b/src/physics/btKart.cpp
@@ -447,7 +447,8 @@ void btKart::updateVehicle( btScalar step )
        btVector3 kart_up    = getChassisWorldTransform().getBasis().getColumn(1);
        btVector3 terrain_up(0,1,0);
        btVector3 axis = kart_up.cross(terrain_up);
-        axis.normalize();
+        if(!axis.fuzzyZero())
+            axis.normalize();

        // To avoid the kart going backwards/forwards (or rolling sideways),
        // set the pitch/roll to 0 before applying the 'straightening' impulse.