add ycb init and prototype files

Author: Alex Church

pybullet_object_models/ycb_objects/__init__.py

@@ -4,3 +4,11 @@
 def getDataPath():
   resdir = os.path.join(os.path.dirname(__file__))
   return resdir
+
+def getModelList():
+    data_path = getDataPath()
+    model_list = [os.path.basename(os.path.normpath(f.path)) for f in os.scandir(data_path) if f.is_dir()]
+    try:
+        model_list.remove('__pycache__')
+    except:pass
+    return model_list

pybullet_object_models/ycb_objects/_prototype.urdf

@@ -0,0 +1,22 @@
+<robot name="_name">
+	<link name="_name">
+		<visual>
+			<origin xyz="0 0 0" rpy="0 0 0"/>
+			<geometry>
+				<mesh filename="_prototype.obj" scale="1 1 1" />
+			</geometry>
+			<material name="texture">
+				<color rgba="1.0 1.0 1.0 1.0"/>
+			</material>
+		</visual>
+		<collision>
+			<geometry>
+				<mesh filename="_prototype.obj" scale="1 1 1" />
+			</geometry>
+		</collision>
+		<inertial>
+			<mass value="1.0"/>
+			<inertia ixx="1.0" ixy="0.0" ixz="0.0" iyy="1.0" iyz="0.0" izz="1.0"/>
+		</inertial>
+	</link>
+</robot>