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env2.py
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env2.py
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# -*- coding: utf-8 -*-
"""
Created on Thu Nov 5 15:06:46 2020
@author: mahsa
"""
def environment2():
import numpy as np
x_goal_env2 = np.array([17, 19])
x_start_env2 = np.array([0,1])
# Building the environment 2
# Environment 1 is a 20 by 20 grid world
# Each blocked cell has a value of 1 in the environment array
env2 = np.zeros((20,20), dtype = np.uint8)
# first gruop of blocks
env2[1,1] = 1
env2[1,2] = 1
env2[1,3] = 1
env2[1,4] = 1
# second group of blocks
env2[4,2] = 1
env2[4,3] = 1
env2[4,4] = 1
env2[5,3] = 1
env2[6,3] = 1
env2[7,3] = 1
# third group of blocks
env2[2,6] = 1
env2[3,6] = 1
env2[4,6] = 1
env2[5,6] = 1
env2[6,6] = 1
env2[7,6] = 1
env2[8,6] = 1
env2[9,6] = 1
env2[9,5] = 1
env2[9,4] = 1
env2[9,3] = 1
env2[9,2] = 1
env2[9,1] = 1
env2[8,1] = 1
env2[10,1] = 1
env2[11,1] = 1
env2[12,1] = 1
env2[13,1] = 1
env2[14,1] = 1
env2[15,1] = 1
env2[16,1] = 1
env2[17,1] = 1
env2[18,1] = 1
# fourth group of blocks
env2[12,3] = 1
env2[12,4] = 1
env2[12,5] = 1
env2[12,6] = 1
env2[12,7] = 1
env2[13,3] = 1
env2[14,3] = 1
env2[15,3] = 1
env2[16,3] = 1
env2[17,3] = 1
# 5th group of blocks
env2[14,6] = 1
env2[15,6] = 1
env2[16,6] = 1
env2[17,6] = 1
env2[17,5] = 1
env2[17,7] = 1
env2[17,8] = 1
env2[17,9] = 1
env2[17,10] = 1
env2[18,9] = 1
env2[19,9] = 1
# 6th group of blocks
env2[5,9] = 1
env2[6,9] = 1
env2[7,9] = 1
env2[8,9] = 1
env2[9,9] = 1
env2[10,9] = 1
env2[11,9] = 1
env2[12,9] = 1
env2[13,9] = 1
env2[14,9] = 1
env2[15,9] = 1
# 7th group of blocks
env2[1,12] = 1
env2[1,13] = 1
env2[1,14] = 1
env2[1,15] = 1
env2[1,16] = 1
# 8th group of blocks
env2[3,10] = 1
env2[3,11] = 1
env2[3,12] = 1
env2[3,13] = 1
env2[3,14] = 1
# 9th group of blocks
env2[2,18] = 1
env2[3,18] = 1
env2[4,18] = 1
env2[5,18] = 1
env2[6,18] = 1
env2[7,18] = 1
env2[8,18] = 1
env2[9,18] = 1
env2[6,17] = 1
env2[6,16] = 1
env2[6,15] = 1
env2[6,14] = 1
env2[6,13] = 1
# 10th group of blocks
env2[9,16] = 1
env2[9,15] = 1
env2[9,14] = 1
env2[9,13] = 1
env2[9,12] = 1
env2[10,12] = 1
env2[11,12] = 1
env2[12,12] = 1
env2[13,12] = 1
env2[14,12] = 1
env2[15,12] = 1
env2[16,12] = 1
env2[16,13] = 1
env2[16,14] = 1
env2[16,15] = 1
env2[16,16] = 1
# 11th group of blocks
env2[13,14] = 1
env2[13,15] = 1
env2[13,16] = 1
env2[13,17] = 1
env2[13,18] = 1
env2[14,18] = 1
env2[15,18] = 1
env2[16,18] = 1
env2[17,18] = 1
# print("The environment is:")
# print(env2)
return [env2 , x_start_env2, x_goal_env2]