貪食蛇_S 副本 | JavaScript 程式專案

{"id":73507,"student_id":1443,"content":"setBackdrop(\"#000000\");\nvar head = createSprite(\"head.gif\");\nhead.x = 320;\nhead.y = 240;\nvar food = createSprite(\"food.gif\")\nfood.x = Math.random()*640;\nfood.y = Math.random()*480;\nvar clock = 0;\nvar score = 0;\nvar bobies = [];\nvar period=6;\n\nforever(function() {\n    print(bobies.length, 10, 10, 'white')\n    print(period, 50, 10, 'white')\n    clock = clock + 1;\n    if (clock % period === 0) {\n        playerControl();\n        eat();\n        move();\n        checkGameover();\n    }\n});\nfunction eat() {\n    if (head.touched(food)) {\n        food.x = Math.random()*640;\n        food.y = Math.random()*480;\n        score = score + 1;\n\n        var body = createSprite(\"body.gif\");\n        bobies.push(body);\n\n        if (score%5 == 0 \u0026\u0026 period \u003e= 2) {\n            period -= 1;\n        }\n    }\n}\nfunction move() {\n    if (bobies.length \u003e 0) {\n        var lastBoby = bobies.pop();\n        lastBoby.x = head.x;\n        lastBoby.y = head.y;\n        bobies.unshift(lastBoby);\n    }\n    head.stepForward(16);\n}\nfunction playerControl() {\n    if (key.up \u0026\u0026 head.direction != 180) {\n        head.direction = 0;\n    }\n    if (key.down \u0026\u0026 head.direction != 0) {\n        head.direction = 180;\n    }\n    if (key.right \u0026\u0026 head.direction != 270) {\n        head.direction = 90;\n    }\n    if (key.left \u0026\u0026 head.direction != 90) {\n        head.direction = 270;\n    }\n}\nfunction checkGameover() {\n    if (head.touched(bobies) || head.x \u003c 0 || head.x \u003e 640 || head.y \u003c 0 || head.y \u003e 480) {\n        stop();\n        print('Game Over', 200, 200, 'white', 60)\n    }\n}\n\nwhen(\"keydown\", \"right\", function() {\n    //head.direction = 90;\n});","created_at":"2019-06-21T15:42:53.068+08:00","updated_at":"2023-04-30T10:55:30.064+08:00","name":"貪食蛇_S 副本","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/73507/1ea62bf5e5760b95e371cb7d7385d875.jpg"},"parent_id":54317,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":109,"hashid":"ej9swnvw","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}