commit d79d503d03705d56f4d5ab0c1e4c2c25b067fba1
Author: soybby <mdruminska074@gmail.com>
Date:   Tue Apr 7 20:28:51 2020 +0200

    hello

diff --git a/my_grid3.py b/my_grid3.py
new file mode 100644
index 0000000..2f89c0f
--- /dev/null
+++ b/my_grid3.py
@@ -0,0 +1,143 @@
+import pygame
+import numpy as np
+
+
+# Colors:
+# Define some colors
+BLACK = (0, 0, 0)
+WHITE = (255, 255, 255)
+GREEN = (0, 255, 0)
+RED = (255, 0, 0)
+BLUE = (0, 0, 240)
+
+#Width and Height of each square:
+WIDTH = 20
+HEIGHT = 20
+
+#Margin:
+MARGIN = 5
+grid = [[0 for x in range(16)] for y in range(16)]
+
+def change_value(i, j, width, n):
+    for r in range (i, i+width):
+        for c in range (j, j+width):
+            grid[r][c] = n
+            
+class Table:
+    def __init__(self, coordinate_i, coordinate_j):
+        self.coordinate_i = coordinate_i
+        self.coordinate_j = coordinate_j
+        change_value(coordinate_i, coordinate_j, 2, 1)
+        
+class Kitchen:
+    def __init__(self, coordinate_i, coordinate_j):
+        self.coordinate_i = coordinate_i
+        self.coordinate_j = coordinate_j
+        change_value(coordinate_i, coordinate_j,3 , 2)
+        
+class Agent:
+    def __init__(self,orig_coordinate_i, orig_coordinate_j):
+        self.orig_coordinate_i = orig_coordinate_i
+        self.orig_coordinate_j = orig_coordinate_j
+        self.state = np.array([1,2])
+        change_value(orig_coordinate_j, orig_coordinate_j, 1, 3)
+        self.state_update(orig_coordinate_i, orig_coordinate_j)
+    def state_update(self, c1, c2):
+        self.state[0] = c1
+        self.state[1] = c2
+        print(self.state)
+    def leave(self):
+        change_value(self.state[0], self.state[1], 1, 0)
+    def move_up (self):
+        self.leave()
+        self.state_update(x-1, y)
+        change_value(self.state[0], self.state[1], 1, 3)   
+    def move_down(self):
+        self.leave()
+        change_value(self.state[0], self.state[1], 1, 0)
+        self.state_update(x+1, y)
+        change_value(self.state[0], self.state[1], 1, 3)    
+    def move_right(self):
+        self.leave()
+        self.state_update(x, y+1)
+        change_value(self.state[0], self.state[1], 1, 3)
+    def move_left(self):
+        self.leave()
+        self.state_update(x, y-1)
+        change_value(self.state[0], self.state[1], 1, 3)
+## default positions of the agent:
+x = 11
+y = 11
+agent = Agent(x, y)
+
+table1 = Table(2, 2)
+table2 = Table (2,7)
+table3 = Table(2, 12)
+table4 = Table(7, 2)
+table5 = Table(7, 7)
+table6 = Table(7, 12)
+table7 = Table(12, 2)
+table8 = Table(12, 7)
+#class Kitchen:
+kitchen = Kitchen(13, 13)
+
+pygame.init()
+WINDOW_SIZE = [405, 405]
+screen = pygame.display.set_mode(WINDOW_SIZE)
+
+pygame.display.set_caption("Waiter_Grid3")
+
+done = False
+
+clock = pygame.time.Clock()
+ 
+# -------- Main Program Loop -----------
+while not done:
+    x = agent.state[0]
+    y = agent.state[1]
+    pygame.time.delay(100)
+    for event in pygame.event.get():        # Checking for the event
+        if event.type == pygame.QUIT:       # If the program is closed:
+            done = True                     # To exit the loop
+    screen.fill(BLACK)                      # Background color
+    for row in range(16):                   # Drawing the grid
+        for column in range(16):
+            color = WHITE
+            if grid[row][column] == 1:
+                color = GREEN
+            if grid[row][column] == 2:
+                color = RED
+            if grid[row][column] == 3:
+                color = BLUE
+            pygame.draw.rect(screen,
+                             color,
+                             [(MARGIN + WIDTH) * column + MARGIN,
+                              (MARGIN + HEIGHT) * row + MARGIN,
+                              WIDTH,
+                              HEIGHT])  
+    keys = pygame.key.get_pressed()         # Moving the agent:
+    if keys[pygame.K_LEFT]:                 # Left:
+        # Checking if not a table, a kitchen, or a wall:
+        if y-1 < 0 or grid[x][y-1] == 1:  
+            continue
+        else:
+            agent.move_left()                # If okay, the move
+    if keys[pygame.K_RIGHT]:                # The same procedure with right: 
+        if y+1> 15 or grid[x][y+1] == 1 or grid[x][y+1] == 2:
+            continue
+        else:
+            agent.move_right()
+    if keys[pygame.K_UP]:                   # The same procedure with up:
+        if x-1<0 or grid[x-1][y] == 1 or grid[x-1][y] == 2:
+            continue
+        else:
+            agent.move_up()
+    if keys[pygame.K_DOWN]:                 # The same procedure with down
+        if x +1 >15 or grid[x+1][y] == 1 or grid[x+1][y] == 2:
+            continue
+        else:
+            agent.move_down() 
+    clock.tick(60)                           # Limit to 60 frames per second
+    pygame.display.flip()                    # Updating the screen
+    
+pygame.quit()
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