source/area/constants.py

@@ -12,6 +12,9 @@ GROUND = ""
 # path to ground image
 GREY = (20, 17, 17, 255)
 
-
+DIRECTION_NORTH = 1
+DIRECTION_EAST = 2
+DIRECTION_SOUTH = 3
+DIRECTION_WEST = 4
 
 

source/area/tractor.py

@@ -1,9 +1,13 @@
 from crop_protection_product import CropProtectionProduct
+from area.constants import TILE_SIZE, DIRECTION_EAST, DIRECTION_SOUTH, DIRECTION_WEST, DIRECTION_NORTH
+from area.field import fieldX,fieldY
+import pygame
 
 
 class Tractor:
     x = None
     y = None
+    direction = None #direction takes values in the range of 1 to 4 
     image = None
     cypermetryna = CropProtectionProduct("pests", "cereal")
     diflufenikan = CropProtectionProduct("weeds", "cereal")
@@ -13,10 +17,12 @@ class Tractor:
     metazachlor = CropProtectionProduct("weeds", "vegetable")
 # etc
 
-    def __init__(self, x, y):
+    def __init__(self, x, y, direction):
         self.x = x
         self.y = y
-        self.image = 'resources/images/tractor.png'
+        self.direction = direction
+        self.image = pygame.image.load('resources/images/tractor.png').convert_alpha()
+        
 
     def work_on_field(self, tile, ground, plant1):
         if plant1 is None:
@@ -58,3 +64,43 @@ class Tractor:
         if ground.nutrients_level < plant1.nutrients_requirements:
             ground.nutrients_level += 20
             print("Tractor added some nutrients")
+
+
+
+    def move(self):
+        if self.direction == DIRECTION_EAST:
+            self.x = self.x + TILE_SIZE
+
+        elif self.direction == DIRECTION_WEST:
+            self.x = self.x - TILE_SIZE
+
+        elif self.direction == DIRECTION_NORTH:
+            self.y = self.y - TILE_SIZE
+        
+        elif self.direction == DIRECTION_SOUTH:
+            self.y = self.y + TILE_SIZE
+
+    
+    def rotate_to_right(self):
+        if self.direction == 4:
+            self.direction = 1
+        else:
+            self.direction += 1
+        self.image = pygame.transform.rotate(self.image, -90)
+
+    
+    def rotate_to_left(self):
+        if self.direction == 1:
+            self.direction = 4
+        else:
+            self.direction -= 1
+        self.image = pygame.transform.rotate(self.image, 90)
+
+    
+    def draw_tractor(self, win):
+        
+        imageTractor = pygame.transform.scale(self.image, (TILE_SIZE, TILE_SIZE))
+        self.x += fieldX
+        self.y += fieldY
+        win.blit(imageTractor, (self.x, self.y))
+        pygame.display.flip()

source/main.py

@@ -2,7 +2,7 @@ import pygame
 import time
 import random
 
-from area.constants import WIDTH, HEIGHT
+from area.constants import WIDTH, HEIGHT, TILE_SIZE
 from area.field import drawWindow
 from area.tractor import Tractor
 from area.field import tiles
@@ -16,6 +16,8 @@ def main():
     run = True
     window = drawWindow(WIN)
     pygame.display.update()
+
+    
     while run:
         for event in pygame.event.get():
             if event.type == pygame.QUIT:
@@ -28,12 +30,19 @@ def main():
         d1 = Dirt(random.randint(1, 100), random.randint(1,100))
         d1.pests_and_weeds()
         tile1.ground=d1
-        t1 = Tractor(10, 10)        
-        t1.work_on_field(tile1, d1, p1)
+        
+        tractor = Tractor(0*TILE_SIZE, 0*TILE_SIZE, 2)
+        tractor.rotate_to_right()
+        tractor.move()
+        tractor.draw_tractor(WIN)
+       
+        pygame.display.update()      
+        tractor.work_on_field(tile1, d1, p1)
         time.sleep(3)
         print("\n")
 
 
-#        in loop move tractor
+#        in loop move tractor:
+        
 
 main()