collision with rock

board.py

@@ -1,25 +1,45 @@
 import pygame
 from constant import size, rows, cols
-
+import random
 
 
 class Board:
     def __init__(self):
         self.board = []
+        self.load_images()
+        self.generate_board()
 
 
     def load_images(self):
-        self.grass = pygame.image.load("grass.png")
+        self.grass = pygame.image.load("board/grass.png")
-        self.dirt = pygame.image.load("dirt.png")
+        self.dirt = pygame.image.load("board/dirt.png")
+        self.rock= pygame.image.load("board/rock.png")
+        self.weeds =  pygame.image.load("board/weeds.png")
+
+    def generate_board(self):
+        self.board = [[random.choice([0,1,2,3,4,5,6,7,8,9]) for _ in range(rows)] for _ in range(cols)]
 
     def draw_cubes(self, win):
 
         for row in range(rows):
             for col in range(cols):
                 cube_rect = pygame.Rect(row * size, col * size, size, size)
+                cube=self.board[row][col]
 
-                if (row) % 2 == 0:
+                if row==4 and col==4:
+                    win.blit(self.grass, cube_rect)
+                elif cube == 0:
+                    rock_scale = pygame.transform.scale(self.rock, (size, size))
+                    win.blit(self.dirt, cube_rect)
+                    win.blit(rock_scale,  cube_rect)
+                elif cube == 1:
+                    weed_scale = pygame.transform.scale(self.weeds, (size,size))
+                    win.blit(self.grass, cube_rect)
+                    win.blit(weed_scale, cube_rect)
+                elif cube in(2,3,4,5):
                     win.blit(self.grass,  cube_rect)
                 else:
                     win.blit(self.dirt,  cube_rect)
 
+    def is_rock(self, col, row):
+        return self.board[row][col] == 0

main.py

@@ -25,16 +25,16 @@ def main():
                 run = False
 
         keys = pygame.key.get_pressed()
-        if keys[pygame.K_UP] and tractor.row > 0:
+        if keys[pygame.K_UP] and tractor.row > 0 and not board.is_rock(tractor.row-1, tractor.col):
             tractor.row -= 1
             tractor.direction = "up"
-        if keys[pygame.K_DOWN] and tractor.row < rows-1:
+        if keys[pygame.K_DOWN] and tractor.row < rows-1 and not board.is_rock(tractor.row+1,tractor.col):
             tractor.row += 1
             tractor.direction = "down"
-        if keys[pygame.K_LEFT] and tractor.col > 0:
+        if keys[pygame.K_LEFT] and tractor.col > 0 and not board.is_rock(tractor.row,tractor.col-1):
             tractor.col -= 1
             tractor.direction = "left"
-        if keys[pygame.K_RIGHT] and tractor.col < cols -1:
+        if keys[pygame.K_RIGHT] and tractor.col < cols -1 and not board.is_rock(tractor.row,tractor.col+1):
             tractor.col += 1
             tractor.direction = "right"
 

tractor.py

@@ -5,12 +5,13 @@ class Tractor:
         self.row = row
         self.col = col
         self.images = {
-            "up": pygame.image.load("up.png"),
+            "up": pygame.image.load("tractor/up.png"),
-            "down": pygame.image.load("down.png"),
+            "down": pygame.image.load("tractor/down.png"),
-            "left":pygame.image.load("left.png"),
+            "left": pygame.image.load("tractor/left.png"),
-            "right":pygame.image.load("right.png")
+            "right":pygame.image.load("tractor/right.png")
         }
         self.direction = "down"
+
     def draw(self, win):
         tractor_image = self.images[self.direction]
         win.blit(tractor_image, (self.col*size, self.row*size))