add humanoid and kuka gym environments (experimental)

examples/pybullet/gym/racecarZEDGymEnvTest.py

@@ -0,0 +1,30 @@
+
+from envs.bullet.racecarZEDGymEnv import RacecarZEDGymEnv
+print ("hello")
+environment = RacecarZEDGymEnv(renders=True)
+
+targetVelocitySlider = environment._p.addUserDebugParameter("wheelVelocity",-1,1,0)
+steeringSlider = environment._p.addUserDebugParameter("steering",-0.5,0.5,0)
+
+while (True):
+  targetVelocity = environment._p.readUserDebugParameter(targetVelocitySlider)
+  steeringAngle = environment._p.readUserDebugParameter(steeringSlider)
+  discreteAction = 0
+  if (targetVelocity<-0.33):
+    discreteAction=0
+  else:
+    if (targetVelocity>0.33):
+      discreteAction=6
+    else:
+      discreteAction=3
+  if (steeringAngle>-0.17):
+    if (steeringAngle>0.17):
+      discreteAction=discreteAction+2
+    else:
+      discreteAction=discreteAction+1
+    
+  action=discreteAction
+  state, reward, done, info = environment.step(action)
+  obs = environment.getExtendedObservation()
+  print("obs")
+  print(obs)