add testMJCF.py script, to visualize MJCF file

examples/pybullet/gym/pybullet_envs/examples/testMJCF.py

@@ -0,0 +1,28 @@
+import os
+import inspect
+currentdir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
+parentdir = os.path.dirname(os.path.dirname(currentdir))
+os.sys.path.insert(0,parentdir)
+
+import pybullet as p
+import pybullet_data
+import time
+
+def test(args):	
+	p.connect(p.GUI)
+	p.setAdditionalSearchPath(pybullet_data.getDataPath())
+	fileName = os.path.join("mjcf", args.mjcf)
+	print("fileName")
+	print(fileName)
+	p.loadMJCF(fileName)
+	while (1):
+		p.stepSimulation()
+		p.getCameraImage(320,240)
+		time.sleep(0.01)
+	
+if __name__ == '__main__':
+	import argparse
+	parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+	parser.add_argument('--mjcf', help='MJCF filename', default="humanoid.xml")
+	args = parser.parse_args()
+	test(args)