增加了蛇
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parent
92e6ea8d77
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SHA256:6ufAAU+qjfNoOJpvu0bY6QK7NH4mYIQj/lVR/jWsI3g
2
.gitignore
vendored
2
.gitignore
vendored
@ -1 +1,3 @@
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__pycache__/
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__pycache__/
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idea.km
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idea.png
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@ -14,10 +14,10 @@ def check_events(settings):
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sys.exit()
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sys.exit()
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# 按1键选择手动模式
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# 按1键选择手动模式
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elif event.key == pygame.K_1:
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elif event.key == pygame.K_1:
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settings.game_mode = -1
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settings.game_mode = 1
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# 按2键选择自动模式
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# 按2键选择自动模式
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elif event.key == pygame.K_2:
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elif event.key == pygame.K_2:
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settings.game_mode = -1
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settings.game_mode = 2
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def show_start(settings, screen):
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def show_start(settings, screen):
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@ -44,7 +44,7 @@ def show_start(settings, screen):
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def show_end(settings, screen):
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def show_end(settings, screen):
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"""结算界面"""
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"""失败结算界面"""
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title_font = pygame.font.Font(settings.font_name, 80)
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title_font = pygame.font.Font(settings.font_name, 80)
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game_image = title_font.render('Game', True, (233, 150, 122))
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game_image = title_font.render('Game', True, (233, 150, 122))
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over_image = title_font.render('Over', True, (233, 150, 122))
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over_image = title_font.render('Over', True, (233, 150, 122))
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@ -58,3 +58,84 @@ def show_end(settings, screen):
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pygame.display.flip()
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pygame.display.flip()
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pygame.time.wait(1500)
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pygame.time.wait(1500)
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settings.game_mode = 0
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settings.game_mode = 0
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def draw_grid(settings, screen):
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#绘制横向线
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for x in range(0, settings.width, settings.cell_size):
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pygame.draw.line(screen,(40,40,40),(x,0),(x,settings.height))
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#绘制竖向线
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for y in range(0, settings.height, settings.cell_size):
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pygame.draw.line(screen,(40,40,40),(0, y),(settings.width,y))
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def update_screen(settings, screen):
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screen.fill(settings.bg_color)
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draw_grid(settings, screen)
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#绘制蛇
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def draw_snake(ai_settings, screen, snake):
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#头部用白色
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x = snake.coords[0]['x'] * ai_settings.cell_size
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y = snake.coords[0]['y'] * ai_settings.cell_size
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snake_head_rect = pygame.Rect(x, y, ai_settings.cell_size, ai_settings.cell_size)
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pygame.draw.rect(screen,(255,255,255), snake_head_rect)
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#蛇身内部用浅绿，外框用深绿
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for coord in snake.coords[1: -1]:
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x = coord['x'] * ai_settings.cell_size
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y = coord['y'] * ai_settings.cell_size
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snake_part_rect = pygame.Rect(x, y, ai_settings.cell_size, ai_settings.cell_size)
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pygame.draw.rect(screen,(0,155,0), snake_part_rect)
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snake_part_inner_rect = pygame.Rect(x + 4, y + 4, ai_settings.cell_size - 8, ai_settings.cell_size - 8)
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pygame.draw.rect(screen,(0,255,0), snake_part_inner_rect)
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#蛇尾用浅绿
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coord = snake.coords[-1]
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x = coord['x'] * ai_settings.cell_size
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y = coord['y'] * ai_settings.cell_size
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snake_tail_rect = pygame.Rect(x, y, ai_settings.cell_size, ai_settings.cell_size)
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pygame.draw.rect(screen,(0,255,0), snake_tail_rect)
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#绘制游戏界面
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def update_screen(settings, screen, snake):
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screen.fill(settings.bg_color)
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draw_grid(settings, screen)
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#移动蛇
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del snake.coords[-1]#加蛇头
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snake.update()#去蛇尾
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if not is_game_over(settings, snake):
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settings.game_mode = -1
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else:
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draw_snake(settings, screen, snake)
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pygame.display.flip()
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#暂停一下
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settings.my_clock.tick(settings.clock_frq)
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def is_game_over(settings,snake):
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#碰到左右墙壁
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if (snake.coords[snake.head_index]['x'] == -1 or snake.coords[snake.head_index]['x'] == settings.cell_w):
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return False
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#碰到上下墙壁
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if(snake.coords[snake.head_index]['y'] == -1 or snake.coords[snake.head_index]['y'] == settings.cell_h):
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return False
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#碰到自己
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if(snake.coords[snake.head_index] in snake.coords[1:]):
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return False
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return True
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#检测游戏过程中的按键
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def check_play_events(snake):
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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pygame.quit()
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sys.exit()
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elif event.type == pygame.KEYDOWN:
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if event.key == pygame.K_ESCAPE:
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pygame.quit()
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sys.exit()
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elif event.key == pygame.K_LEFT and not snake.direction == 'right':
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snake.direction = 'left'
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elif event.key == pygame.K_RIGHT and not snake.direction == 'left':
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snake.direction = 'right'
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elif event.key == pygame.K_UP and not snake.direction == 'down':
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snake.direction = 'up'
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elif event.key == pygame.K_DOWN and not snake.direction == 'up':
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snake.direction = 'down'
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115
idea.km
115
idea.km
@ -1,115 +0,0 @@
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{
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"root": {
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"data": {
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"id": "d2oi0jx7h6o0",
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"created": 1720882729134,
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"text": "Astar贪吃蛇"
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},
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"children": [
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{
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"data": {
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"id": "d2oi1r6uoww0",
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"created": 1720882823319,
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"text": "游戏本体(Pygame)",
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"layout_mind_offset": {
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"x": -29,
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"y": 1
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}
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},
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"children": [
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{
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"data": {
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"id": "d2oi2k2ygw00",
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"created": 1720882886210,
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"text": "蛇",
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"expandState": "expand",
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"layout_right_offset": {
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"x": 8,
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"y": -54
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}
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},
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"children": [
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{
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"data": {
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"id": "d2oi21ezqoo0",
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"created": 1720882845579,
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"text": "如何表示蛇"
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},
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"children": []
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},
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{
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"data": {
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"id": "d2oi2vcyync0",
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"created": 1720882910760,
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"text": "蛇如何移动"
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},
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"children": []
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},
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{
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"data": {
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"id": "d2oi30i8aj40",
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"created": 1720882921962,
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"text": "如何判定游戏结束？"
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},
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"children": []
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}
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]
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},
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{
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"data": {
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"id": "d2oi3jwwljc0",
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"created": 1720882964209,
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"text": "食物"
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},
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"children": [
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{
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"data": {
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"id": "d2oi3vw1ujc0",
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"created": 1720882990278,
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"text": "如何生成食物"
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},
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"children": []
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}
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]
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},
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{
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"data": {
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"id": "d2oi7hsyoao0",
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"created": 1720883273073,
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"text": "界面"
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},
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"children": []
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}
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]
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},
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{
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"data": {
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"id": "d2oijamyvjc0",
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"created": 1720884197843,
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"text": "游戏玩法"
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},
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"children": [
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{
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"data": {
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"id": "d2oi4mwhxi80",
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"created": 1720883049078,
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"text": "自动(A*寻路算法）"
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},
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"children": []
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},
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{
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"data": {
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"id": "d2oijfl72io0",
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"created": 1720884208620,
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"text": "手动"
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},
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"children": []
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}
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]
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}
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]
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},
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"template": "default",
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"theme": "snow",
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"version": "1.4.43"
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}
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23
main.py
23
main.py
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import pygame
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from settings import Settings
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from settings import Settings
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import game_functions as gf
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import game_functions as gf
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import pygame
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from snake import Snake
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settings = Settings()
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settings = Settings()
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#设置屏幕
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screen = pygame.display.set_mode((settings.width, settings.height))
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#添加游戏标题
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pygame.display.set_caption('贪吃蛇')
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#创建蛇
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snake = Snake(settings)
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screen = pygame.display.set_mode((settings.width, settings.height)) # 设置屏幕
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def run_game1():
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pygame.display.set_caption('贪吃蛇') # 添加游戏标题
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gf.check_play_events(snake)
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gf.update_screen(settings, screen, snake)
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def run_game():
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def run_game():
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while True:
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while True:
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if settings.game_mode == 0:
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if settings.game_mode == 0:
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gf.show_start(settings, screen)
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gf.show_start(settings,screen)
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elif settings.game_mode == -1:
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elif settings.game_mode == -1:
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gf.show_end(settings, screen)
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gf.show_end(settings,screen)
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snake.reset(settings)
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elif settings.game_mode == 1:
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run_game1()
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if __name__ == "__main__":
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if __name__ == "__main__":
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pygame.init()
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pygame.init()
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38
snake.py
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snake.py
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import random
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class Snake():
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def __init__(self,settings):
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self.reset(settings)
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#蛇的初始化
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def reset(self,settings):
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#蛇头的坐标
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self.start_x = random.randint(5, settings.cell_w - 6)
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self.start_y = random.randint(5, settings.cell_h - 6)
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self.head_index = 0
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#蛇的初始运动方向
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self.direction = 'right'
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#蛇的初始坐标字典，初始蛇为蛇头位置及其左边的两个格子
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self.coords = [{'x' : self.start_x, 'y': self.start_y},
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{'x' : self.start_x - 1, 'y': self.start_y},
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{'x' : self.start_x - 2, 'y': self.start_y}]
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#更新蛇，每次蛇移动一步，因此相当于每次移动在蛇的坐标字典中再插入一个新蛇头
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#按常识，每次移动后，不仅仅是蛇头向前移动一个，更重要的是蛇尾也要向前移，但是在该函数中先不处理蛇尾
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#因为如果蛇吃了食物，此时蛇尾其实并没有移动
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def update(self):
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newHead = {}
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#根据移动方向确定蛇头
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if self.direction == 'up':
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newHead = {'x' : self.coords[self.head_index]['x'],
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'y' : self.coords[self.head_index]['y'] - 1}
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elif self.direction == 'down':
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newHead = {'x' : self.coords[self.head_index]['x'],
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'y' : self.coords[self.head_index]['y'] + 1}
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elif self.direction == 'left':
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newHead = {'x' : self.coords[self.head_index]['x'] - 1,
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'y' : self.coords[self.head_index]['y']}
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elif self.direction == 'right':
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newHead = {'x' : self.coords[self.head_index]['x'] + 1,
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'y' : self.coords[self.head_index]['y']}
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self.coords.insert(0,newHead)
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