lesson6_snake updated

part2_OOP/lesson6/game.py

@@ -1,4 +1,5 @@
 import os
+import time
 import pygame as pg
 
 pg.init()
@@ -17,7 +18,11 @@ snake_head = {
 }
 snake_body = {
     'h': pg.image.load(os.path.join(os.curdir, 'img', 'body_h.png')),
-    'v': pg.image.load(os.path.join(os.curdir, 'img', 'body_v.png'))
+    'v': pg.image.load(os.path.join(os.curdir, 'img', 'body_v.png')),
+    'ru_dl': pg.image.load(os.path.join(os.curdir, 'img', 'body_ru_dl.png')),
+    'rd_ul': pg.image.load(os.path.join(os.curdir, 'img', 'body_rd_ul.png')),
+    'lu_dr': pg.image.load(os.path.join(os.curdir, 'img', 'body_lu_dr.png')),
+    'ld_ur': pg.image.load(os.path.join(os.curdir, 'img', 'body_ld_ur.png')),
 }
 
 class Snake:
@@ -25,52 +30,99 @@ class Snake:
         self.x = x
         self.y = y
         self.direction = 'right'
-        self.length = 0
+        self.direction_prev = 'right'
-        self.speed = 10  # скорость движения змейки чем меньше, тем быстрее 
+        self.length = 2
+        self.speed = 30  # скорость движения змейки чем меньше, тем быстрее 
         self.counter = 0 # Просто счетчик, для регулировки скорости нужен
-        self.body = []
+        self.body = [('h', 60, 300), ('h', 30, 300)]
     
     def draw(self, screen):
+        if len(self.body) > self.length:
+            self.body.pop()
+            
         if self.counter >= self.speed:
+
+            if self.direction == self.direction_prev:
+                if self.direction in ('right', 'left'):
+                    self.body.insert(0, ('h', self.x, self.y))
+                else:
+                    self.body.insert(0, ('v', self.x, self.y))
+            elif (self.direction_prev, self.direction) in [('right', 'up'), ('down', 'left')]:
+                self.body.insert(0, ('ru_dl', self.x, self.y))
+            elif (self.direction_prev, self.direction) in [('right', 'down'), ('up', 'left')]:
+                self.body.insert(0, ('rd_ul', self.x, self.y))
+            elif (self.direction_prev, self.direction) in [('left', 'up'), ('down', 'right')]:
+                self.body.insert(0, ('lu_dr', self.x, self.y))
+            elif (self.direction_prev, self.direction) in [('left', 'down'), ('up', 'right')]:
+                self.body.insert(0, ('ld_ur', self.x, self.y))
+            
+
             match self.direction:
                 case 'left':
                     self.x -= 30
                     if self.x < 0:
                         self.x = 750
+                    self.direction_prev = 'left'
                 case 'right':
                     self.x += 30
                     if self.x > 750:
                         self.x = 0
+                    self.direction_prev = 'right'
                 case 'up':
                     self.y -= 30
                     if self.y < 0:
                         self.y = 570
+                    self.direction_prev = 'up'
                 case 'down':
                     self.y += 30
                     if self.y > 570:
                         self.y = 0
+                    self.direction_prev = 'down'
+            
+            if (self.x, self.y) in [(x[1], x[2]) for x in self.body]:
+                gameover()
             self.counter = 0
+            
         self.counter += 1
 
         screen.blit(snake_head[self.direction], (self.x, self.y))
+        for el in self.body:
+            screen.blit(snake_body[el[0]], (el[1], el[2]))
 
-snake =Snake(0, 300)
+snake =Snake(90, 300)
 
 def update_game_window():
     screen.blit(bg, (0,0))
     snake.draw(screen)
     pg.display.update()
     
+def gameover():
+    go_font = pg.font.SysFont('monaco', 72)
+    go_surf = go_font.render('Game over', True, (20, 20, 20))
+    go_rect = go_surf.get_rect()
+    go_rect.midtop = (360, 15)
+    screen.blit(go_surf, go_rect)
+    pg.display.flip()
+    time.sleep(5)
+    pg.quit()
 
 while not done:
     for event in pg.event.get():
         if event.type == pg.QUIT:
             done = True
     pressed = pg.key.get_pressed()
-    if pressed[pg.K_UP]: snake.direction = 'up'
+    if pressed[pg.K_UP]: 
-    if pressed[pg.K_DOWN]: snake.direction = 'down'
+        if snake.direction != 'down':
-    if pressed[pg.K_LEFT]: snake.direction = 'left'
+            snake.direction = 'up'
-    if pressed[pg.K_RIGHT]: snake.direction = 'right'
+    if pressed[pg.K_DOWN]:
+        if snake.direction != 'up':
+            snake.direction = 'down'
+    if pressed[pg.K_LEFT]:
+        if snake.direction != 'right':
+            snake.direction = 'left'
+    if pressed[pg.K_RIGHT]:
+        if snake.direction != 'left':
+            snake.direction = 'right'
         
     update_game_window()
     clock.tick(FPS)