Fix turn indicators not working in Carracing (#2759)

* fix impulse sample bug and add adjustable gravity

* revert weird sample thing

* assertation

* add wind

* fix wind to use applyforce

* black

* add tests for wind

* fix test bug

* run lunar lander tests over 10 runs

* reduce wind for heuristic landing

* made wind power kwarg

* reduce wind power for heuristic landing

* update doc

* remove wind power from kwarg

* fix tests by deleting tests ;)

* Add back wind power as kwarg

* the black sheep

* remove rogue plus

* slight doc fix and variable rename

* fix bug with track turn indicators

* black

gym/envs/box2d/car_racing.py

@@ -391,7 +391,10 @@ def _create_track(self):
                     y2 + side * (TRACK_WIDTH + BORDER) * math.sin(beta2),
                 )
                 self.road_poly.append(
-                    ([b1_l, b1_r, b2_r, b2_l], (1, 1, 1) if i % 2 == 0 else (1, 0, 0))
+                    (
+                        [b1_l, b1_r, b2_r, b2_l],
+                        (255, 255, 255) if i % 2 == 0 else (255, 0, 0),
+                    )
                 )
         self.track = track
         return True