貪食蛇 | 程式專案 | 橘蘋學習平台

{"id":218648,"student_id":1806,"content":"import random #載入產生隨機數的套件\nfrom game import (\n    set_backdrop, #設定背景\n    create_sprite, #創造角色\n    create_sound, #創造音效\n    draw_text, #繪製文字\n    key, #鍵盤狀態\n    forever, #重複不斷執行\n    stop, #遊戲結束\n)\n\nset_backdrop('bg_grid.jpg') #設定背景圖\ncreate_sound(\"Whistling Down the Road.mp3\" , True)\nfood = create_sprite('apple.png', 'orange.png') #食物\nhead = create_sprite('head.png') #蛇頭\nhint = create_sprite('hint.png') #遊戲開始示意圖\ngameover = create_sprite('gameover.png') #遊戲結束示意圖\ntail = create_sprite(\"body.png\" , \"body_left.png\" , \"body_right.png\" , \"tail.png\") #s8\n\ntail.costume_id = 3 #s8\n\n# 設定蛇頭、食物、遊戲結束示意圖的圖層順序\nfood.layer = 1\nhead.layer = 2\ngameover.layer = 3\n\ngameover.hidden = True #預設隱藏遊戲結束示意圖\n#hint.hidden = True #預設隱藏遊戲示意圖\n\nclock = 0 #s2紀錄遊戲迴圈次數\nnext_direction = 90 #蛇下次移動的方向\nbodies = [tail] # 用來存放蛇的身體\nis_start = False #是否開始遊戲\nlevel = 0 #分數等級用來計算移動速度\n\nfood.move_to(15*60+30 ,7*60+30 )#s1設定食物位置為15*7+30(中間)\nhead.move_to(4*60+30 ,7*60+30 )#s1設定頭的位置\ntail.move_to(270-60,450 ) #s8\nhint.move_to(270 ,450 )\n\n# 遊戲主迴圈\ndef loop ():\n    global clock, next_direction, is_start, level, bodies\n    \n    if key.up == True and head.direction != 180: #s3\n        next_direction = 0 \n        is_start = True #延伸3\n        \n    if key.right == True and head.direction != 270: #3\n        next_direction = 90 \n        is_start = True\n        \n    if key.down == True and head.direction != 0: #3\n        next_direction = 180 \n        is_start = True\n        \n    if key.left == True and head.direction != 90: #3\n        next_direction = 270\n        is_start = True\n    \n    hint.hidden = is_start\n    \n    level = (len(bodies) - 1) // 3 #延伸1計算出整數用//\n    if level \u003e 10: #延伸1\n        level = 10\n    \n    clock += 1 #s2\n    if clock % (15 - level) == 0 and is_start == True: #2+延伸1\n        \n        if head.touched(food):\n            food.x = random.randrange(20)*60+30 #s4隨機x\n            food.y = random.randrange(15)*60+30 #s4隨機y\n            \n            b = create_sprite(\"body.png\" , \"body_left.png\" , \"body_right.png\" , \"tail.png\") #5/7\n            b.move_to(head) #s5自動跑到head.x/y位置\n            bodies.append(b) #5\n            \n        if len(bodies) \u003e 0: #s6還沒吃到食物前不會移動/出錯\n            b = bodies.pop()  #s6    \n            b.move_to(head) #6\n            bodies = [b] + bodies #6\n            update_bodies_costume() #s7程式在下方\n            \n        head.direction = next_direction #3\n        head.step_forward(60) #2 #注意縮排\n    \n    if head.touched(bodies):\n        stop()\n        gameover.hidden = False\n        draw_text(len(bodies) - 1 ,560,410,\"white\",80)\n    \n    if head.x \u003e 1200: #延伸2\n        head.x -= 1200\n    \n    if head.x \u003c 0: #延伸2\n        head.x += 1200\n    \n    if head.y \u003e 900:\n        head.y -= 900\n    \n    if head.y \u003c 0:\n        head.y += 900\n    \n    if clock % 20 == 0: #延伸4\n        if food.scale ==1:\n            food.scale = 0.8\n            hint.scale = 0.8\n        else:\n            food.scale = 1\n            hint.scale = 1\n            \n    draw_text(len(bodies) - 1 ,10,10,\"purple\",30)\n    \n    \n\nforever(loop) #不斷執行遊戲迴圈\n\n\n#更新蛇的造型\ndef update_bodies_costume():\n    \n    diff = next_direction - head.direction\n    \n    if diff == 0: #蛇向前移動\n        bodies[0].costume_id = 0\n        \n    if diff == -90 or diff == 270: #蛇左轉移動\n        bodies[0].costume_id = 1\n            \n    if diff == 90 or diff == -270: #蛇右轉移動\n        bodies[0].costume_id = 2\n    \n    bodies[0].direction = next_direction #旋轉更新的身體\n    \n    bodies[-1].costume_id = 3 # 蛇身體最後的部分設為尾巴\n\n\n\n","created_at":"2021-01-14T17:22:49.910+08:00","updated_at":"2021-12-25T12:10:04.082+08:00","name":"貪食蛇","language":"python","screenshot":{"url":"https://cdn9.koding.school/uploads/project/screenshot/218648/d5d8d90c50346241ad10934a3bdaf682.jpg"},"parent_id":183421,"plugin":"","description":"玩家可以透過鍵盤上、下、左、右鍵控制蛇蛇移動\n每吃到一顆蘋果就加1分\n以3分為一個關卡~~\n*小心別碰到自己囉*","note":"建議音量先切到25以下喔~","status":"public","like_student_ids":[],"is_featured":false,"views":384,"hashid":"jzmsek385","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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