if oob, set camera rotation to default

examples/games_fps.html

@@ -428,6 +428,7 @@
 					playerCollider.end.set( 0, 1, 0 );
 					playerCollider.radius =  0.35;
 					camera.position.copy( playerCollider.end );
+					camera.rotation.set( 0, 0, 0 );
 				}
 			}