貪食蛇_S 副本 | JavaScript 程式專案

{"id":98118,"student_id":3311,"content":"// 將背景設定為黑色\nsetBackdrop(\"#000000\");\n// 用 \"head.gif\" 創造一個角色\nvar head = createSprite(\"head.gif\");\n    head.x = 320;\n    head.y = 240;\n\nvar food = createSprite(\"food.gif\");\n    food.x = Math.random()*640;\n    food.y = Math.random()*480;\nvar clock = 0;\nvar bodies = [];\nvar score = 0;\nvar alive = true;\nvar speed = 6;\n\nforever(function() {\n    print(speed ,20 ,20 ,\"white\");\n    print(bodies.length ,10 ,10 ,\"white\");\n    clock = clock + 1;\n    // console.log(clock)\n    if (clock %6 === 0 \u0026\u0026 alive === true) {\n        playerControl();\n        eat();\n        Move();\n        die();\n    }\n    if (alive === false) {\n        print(\"Game Over!\" ,160 ,200 ,\"white\" ,60);\n    }\n});\n\n// when(\"key.down\", \"right\", function() {\n// head.direction = 90;\n// });\nfunction Move() {\n    if (bodies.length \u003e 0) {\n        var lestbody = bodies.pop();\n        lestbody.x = head.x;\n        lestbody.y = head.y;\n        bodies.unshift(lestbody);\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.left \u0026\u0026 head.direction != 90) {\n        head.direction = 270;\n    }\n    if (key.right \u0026\u0026 head.direction != 270) {\n        head.direction = 90;\n    }\n}\nfunction eat(){\n    if (score % 3 == 0) {\n        speed - 1;\n    }\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        bodies.push(body);\n        // \u0026\u0026 speed \u003e 0\n    }\n}    \nfunction die(){\n    if (head.touched(bodies) || head.x \u003c 0 || head.x \u003e 640 || head.y \u003c 0 || head.y \u003e 480) {\n        alive = false;\n    }\n}    ","created_at":"2019-09-28T13:50:46.233+08:00","updated_at":"2019-11-30T14:46:54.789+08:00","name":"貪食蛇_S 副本","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/98118/1184bb037132130ef4f7d75370d4fd5d.jpg"},"parent_id":54317,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":131,"hashid":"882s393d","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}