{"id":214698,"student_id":1981,"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\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')\ntail.costume_id = 3\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\nfood.move_to(930, 450)\nhead.move_to(270, 450)\ntail.move_to(210, 450)\n\ngameover.hidden = True #預設隱藏遊戲結束示意圖\nhint.hidden = True #預設隱藏遊戲示意圖\n\nclock = 0 #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\n# 遊戲主迴圈\ndef loop ():\n global clock, next_direction, is_start, level, bodies\n clock+=1\n if key.up and head.direction !=180 :\n next_direction=0\n is_start=True\n if key.right and head.direction !=270:\n next_direction=90\n is_start=True\n if key.down and head.direction !=0:\n next_direction=180\n is_start=True\n if key.left and head.direction !=90:\n next_direction=270\n is_start=True\n hint.hidden =is_start\n if clock % 10 == 0 and is_start==True:\n if head.touched(food):#如果蛇吃到食物時\n food.x=random.randrange(20)*60+30\n food.y=random.randrange(14)*60+30\n b=game.create_sprite(\"body.png\",'body_left.png','body_right.png','tail.png') #創造角色\n b.x=head.x\n b.y=head.y\n b.move_to(head)\n bodies.append(b)\n if len(bodies)\u003e0:\n b=bodies.pop()\n b.move_to(head)\n bodies = [b] + bodies#放入身體最前面\n update_bodies_costume()\n head.direction=next_direction\n head.step_forward(60)\n if head.touched(bodies) or head.x\u003c0 or head.x\u003e1180 or head.y\u003c0 or head.y\u003e900:\n stop()\n gameover.hidden=False\n draw_text(len(bodies)-1,550,430,'white',80)\n draw_text(len(bodies),10,10,'white',40)\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":"2020-12-25T17:06:01.901+08:00","updated_at":"2023-06-18T10:47:05.759+08:00","name":"貪食蛇(預設版) 副本","language":"python","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/214698/a4771b0e4ccdf8e4c189026d4893253a.jpg"},"parent_id":183421,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":41,"hashid":"9ygspn5m6","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
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