def reset(self): sim_ret, self.UR5_target_handle = vrep.simxGetObjectHandle( self.sim_client, 'UR5_target', vrep.simx_opmode_blocking) vrep.simxStopSimulation(self.sim_client, vrep.simx_opmode_blocking) vrep.simxStartSimulation(self.sim_client, vrep.simx_opmode_blocking) time.sleep(1) sim_ret, self.RG2_tip_handle = vrep.simxGetObjectHandle( self.sim_client, 'UR5_tip', vrep.simx_opmode_blocking) sim_ret, gripper_position = vrep.simxGetObjectPosition( self.sim_client, self.RG2_tip_handle, -1, vrep.simx_opmode_blocking) time.sleep(1) vrep.simxSetObjectPosition(self.sim_client, self.UR5_target_handle, -1, (-0.47, 0, 0.254), vrep.simx_opmode_blocking) vrep.simxSetObjectOrientation(self.sim_client, self.UR5_target_handle, -1, (np.pi / 2, 0, np.pi / 2), vrep.simx_opmode_blocking) while gripper_position[ 2] > 0.4: # V-REP bug requiring multiple starts and stops to restart self.open_griper() vrep.simxStopSimulation(self.sim_client, vrep.simx_opmode_blocking) vrep.simxStartSimulation(self.sim_client, vrep.simx_opmode_blocking) time.sleep(1) sim_ret, gripper_position = vrep.simxGetObjectPosition( self.sim_client, self.RG2_tip_handle, -1, vrep.simx_opmode_blocking) vrep.simxSetObjectPosition(self.sim_client, self.UR5_target_handle, -1, (-0.47, 0, 0.254), vrep.simx_opmode_blocking) vrep.simxSetObjectOrientation(self.sim_client, self.UR5_target_handle, -1, (np.pi / 2, 0, np.pi / 2), vrep.simx_opmode_blocking) # print('started!') target_x = random.random() * (self.object_work_space[0][1] - self.object_work_space[0][0]) + \ self.object_work_space[0][0] target_y = random.random() * (self.object_work_space[1][1] - self.object_work_space[1][0]) + \ self.object_work_space[1][0] # target_z = random.random() * (self.work_space[2][1] - self.work_space[2][0]) + self.work_space[2][0] # target_x = -0.5283 # target_y = 0.1640 target_z = 0.025 self.open_griper() self.move_position([target_x + 0.47, target_y, 0.03 - 0.254]) self.target = [target_x, target_y, target_z] orientation_y = -random.random() * np.pi + np.pi / 2 # print() # vrep.simxPauseCommunication(self.sim_client, False) object_orientation = [-np.pi / 2, orientation_y, -np.pi / 2] curr_mesh_file = '/home/chen/stl-model/surface_car.obj' curr_shape_name = 'shape001' object_color = [0.4, 0.7, 1] ret_resp, ret_ints, ret_floats, ret_strings, ret_buffer = vrep.simxCallScriptFunction( self.sim_client, 'remoteApiCommandServer', vrep.sim_scripttype_childscript, 'importShape', [0, 0, 255, 0], self.target + object_orientation + object_color, [curr_mesh_file, curr_shape_name], bytearray(), vrep.simx_opmode_blocking) self.target = np.asarray(self.target) self.open_griper() sim_ret, self.current_handle = vrep.simxGetObjectHandle( self.sim_client, 'UR5_target', vrep.simx_opmode_blocking) sim_ret, self.current_position = vrep.simxGetObjectPosition( self.sim_client, self.current_handle, -1, vrep.simx_opmode_blocking) if orientation_y < 0: ratio = -1 else: ratio = 1 # target_state = np.append(self.target[0:2], ratio * (np.pi/2 - abs(orientation_y))/(np.pi)) # current_state = np.append(self.current_position[0:2], 0) self.pre_distance = np.linalg.norm(self.target[0:2] - self.current_position[0:2]) self.pre_orientation_distance = np.linalg.norm( ratio * (np.pi / 2 - abs(orientation_y)) / (np.pi)) self.current_state, frame, pos = self.get_state() # test_pos = np.append([0, 0, 0], orientation_y - np.pi/2) # self.move_to(test_pos) cs = self.current_state[0:2] cs = np.append(cs, self.current_state[-1]) return cs, frame, pos
def reset(self): sim_ret, self.UR5_target_handle = vrep.simxGetObjectHandle( self.sim_client, 'UR5_target', vrep.simx_opmode_blocking) vrep.simxStopSimulation(self.sim_client, vrep.simx_opmode_blocking) vrep.simxStartSimulation(self.sim_client, vrep.simx_opmode_blocking) time.sleep(1) sim_ret, self.RG2_tip_handle = vrep.simxGetObjectHandle( self.sim_client, 'UR5_tip', vrep.simx_opmode_blocking) sim_ret, gripper_position = vrep.simxGetObjectPosition( self.sim_client, self.RG2_tip_handle, -1, vrep.simx_opmode_blocking) vrep.simxSetObjectPosition(self.sim_client, self.UR5_target_handle, -1, (-0.47, 0, 0.3), vrep.simx_opmode_blocking) vrep.simxSetObjectOrientation(self.sim_client, self.UR5_target_handle, -1, (np.pi / 2, 0, np.pi / 2), vrep.simx_opmode_blocking) while gripper_position[ 2] > 0.4: # V-REP bug requiring multiple starts and stops to restart vrep.simxStopSimulation(self.sim_client, vrep.simx_opmode_blocking) vrep.simxStartSimulation(self.sim_client, vrep.simx_opmode_blocking) time.sleep(1) sim_ret, gripper_position = vrep.simxGetObjectPosition( self.sim_client, self.RG2_tip_handle, -1, vrep.simx_opmode_blocking) vrep.simxSetObjectPosition(self.sim_client, self.UR5_target_handle, -1, (-0.47, 0, 0.3), vrep.simx_opmode_blocking) vrep.simxSetObjectOrientation(self.sim_client, self.UR5_target_handle, -1, (np.pi / 2, 0, np.pi / 2), vrep.simx_opmode_blocking) # print('started!') target_x = random.random() * ( self.object_work_space[0][1] - self.object_work_space[0][0]) + self.object_work_space[0][0] target_y = random.random() * ( self.object_work_space[1][1] - self.object_work_space[1][0]) + self.object_work_space[1][0] # target_z = random.random() * (self.work_space[2][1] - self.work_space[2][0]) + self.work_space[2][0] target_z = 0.075 self.target = [target_x, target_y, target_z] # print() # vrep.simxPauseCommunication(self.sim_client, False) # orientation_y = -random.random() * np.pi + np.pi / 2 # print() # vrep.simxPauseCommunication(self.sim_client, False) # object_orientation = [-np.pi / 2, orientation_y, -np.pi / 2] object_orientation = [0, 0, 0] curr_mesh_file = '/home/chen/stl-model/cup.obj' curr_shape_name = 'shape001' object_color = [0, 0.6, 1] ret_resp, ret_ints, ret_floats, ret_strings, ret_buffer = vrep.simxCallScriptFunction( self.sim_client, 'remoteApiCommandServer', vrep.sim_scripttype_childscript, 'importShape', [0, 0, 255, 0], self.target + object_orientation + object_color, [curr_mesh_file, curr_shape_name], bytearray(), vrep.simx_opmode_blocking) self.target = np.asarray(self.target) sim_ret, self.current_handle = vrep.simxGetObjectHandle( self.sim_client, 'UR5_target', vrep.simx_opmode_blocking) sim_ret, self.current_position = vrep.simxGetObjectPosition( self.sim_client, self.current_handle, -1, vrep.simx_opmode_blocking) self.pre_distance = np.linalg.norm(self.target[0:2] - self.current_position[0:2]) self.current_state, frame, pos = self.get_state() return self.current_state, frame, pos