diff options
Diffstat (limited to 'src/game')
| -rw-r--r-- | src/game/bg_pmove.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/game/bg_pmove.c b/src/game/bg_pmove.c index 0c29d55d..b1bccec2 100644 --- a/src/game/bg_pmove.c +++ b/src/game/bg_pmove.c @@ -2139,7 +2139,9 @@ static void PM_GroundClimbTrace( void ) pm->ps->eFlags |= EF_WALLCLIMB; //if we're not stuck to the ceiling then set grapplePoint to be a surface normal - if( !VectorCompare( trace.plane.normal, ceilingNormal ) ) + //use VectorCompareEpsilon here to prevent a bug where differences in fp precision + //lead to taking crossproducts that give all-zero normals + if( !VectorCompareEpsilon( trace.plane.normal, ceilingNormal, .000001f ) ) { //so we know what surface we're stuck to VectorCopy( trace.plane.normal, pm->ps->grapplePoint ); |