ADD file via upload

homework.py

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+# -*- coding: utf-8 -*-
+"""
+Created on Wed May 21 20:08:31 2025
+
+@author: Administrator
+"""
+
+import pygame
+import random
+
+pygame.init()
+
+WIDTH, HEIGHT = 800, 600
+screen = pygame.display.set_mode((WIDTH, HEIGHT))
+
+WHITE, RED, GREEN = (255, 255, 255), (255, 0, 0), (0, 255, 0)
+
+SNAKE_SIZE = 20
+SNAKE = [(5 * SNAKE_SIZE, 5 * SNAKE_SIZE),
+        (4 * SNAKE_SIZE, 5 * SNAKE_SIZE),
+        (3 * SNAKE_SIZE, 5 * SNAKE_SIZE)]
+
+FOOD = (random.randint(0, (WIDTH // SNAKE_SIZE) - 1) * SNAKE_SIZE,
+       random.randint(0, (HEIGHT // SNAKE_SIZE) - 1) * SNAKE_SIZE)
+
+DIRECTION = "RIGHT"
+
+running = True
+
+clock = pygame.time.Clock()
+
+while running:
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            running = False
+        elif event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_LEFT and DIRECTION != "RIGHT":
+                DIRECTION = "LEFT"
+            elif event.key == pygame.K_RIGHT and DIRECTION != "LEFT":
+                DIRECTION = "RIGHT"
+            elif event.key == pygame.K_UP and DIRECTION != "DOWN":
+                DIRECTION = "UP"
+            elif event.key == pygame.K_DOWN and DIRECTION != "UP":
+                DIRECTION = "DOWN"
+
+    head = SNAKE[0]
+    if DIRECTION == "RIGHT":
+        new_head = (head[0] + SNAKE_SIZE, head[1])
+    elif DIRECTION == "LEFT":
+        new_head = (head[0] - SNAKE_SIZE, head[1])
+    elif DIRECTION == "UP":
+        new_head = (head[0], head[1] - SNAKE_SIZE)
+    elif DIRECTION == "DOWN":
+        new_head = (head[0], head[1] + SNAKE_SIZE)
+
+    if new_head == FOOD:
+        SNAKE.insert(0, new_head)
+        FOOD = (random.randint(0, (WIDTH // SNAKE_SIZE) - 1) * SNAKE_SIZE,
+               random.randint(0, (HEIGHT // SNAKE_SIZE) - 1) * SNAKE_SIZE)
+    else:
+        SNAKE.insert(0, new_head)
+        SNAKE.pop()
+
+    # Check if snake hit itself or wall
+    if (new_head[0] < 0 or new_head[0] >= WIDTH or
+        new_head[1] < 0 or new_head[1] >= HEIGHT or
+        new_head in SNAKE[1:]):
+        running = False
+
+    screen.fill(WHITE)
+    pygame.draw.rect(screen, RED, (FOOD[0], FOOD[1], SNAKE_SIZE, SNAKE_SIZE))
+    for segment in SNAKE:
+        pygame.draw.rect(screen, GREEN, (segment[0], segment[1], SNAKE_SIZE, SNAKE_SIZE))
+    pygame.display.flip()
+    clock.tick(10)