try large truck

Author: dazhenc2

scenes/parking_demo.yaml

@@ -1,15 +1,15 @@
 vehicle_state: [0.0, 0.0, 0.0, 0.0, 0.0]
 agents:
   ped1:
-    type: medium_truck
+    type: LARGE_TRUCK
     position: [20.0, 8.0]
     nominal_velocity: 0
     target: [20.0, 8.0]
     behavior: loop
     yaw: 1.5708
 
   ped2:
-    type: medium_truck
+    type: LARGE_TRUCK
     position: [30.0, 8.0]
     nominal_velocity: 0
     target: [15.0, 4.0]