貪食蛇_S 副本 | JavaScript 程式專案

{"id":79835,"student_id":3647,"content":"// 將背景設定為黑色\nsetBackdrop(\"#4286f4\");\n// 用 \"head.gif\" 創造一個角色\nvar head = createSprite(\"head.gif\");\nvar food = createSprite(\"food.gif\");\n//var body = createSprite(\"body.gif\");\nvar clock = 0;\nfood.x = Math.random ()*480;\nfood.y = Math.random ()*240;\nforever(function() {\n    // 在這裡的程式碼會不斷執行\n    clock = clock+1;\n    console.log(clock);\n    if (clock%5 === 0) {\n\n\n        Move();\n\n    }\n\n\n    playercontral();\n    print(score, 20, 20, \"white\");\n    eat();\n    end();\n\n});\nvar score = 0;\n\nvar bodies = [];\n\n// 當按下鍵盤的「右方向鍵」時\nwhen(\"keydown\", \"right\", function() {\n    head.direction = 90;\n});\nfunction Move() {\n    head.stepForward(16);\n    if (bodies.length \u003e 0) {\n        var lastbody = bodies.pop();\n\n        lastbody.direction = head.direction;\n        lastbody.direction = head.direction;\n        bodies.unshift(lastbody);\n\n        lastbody.y = head.y;\n\n\n\n\n\n        lastbody.x = head.x;\n\n    }\n   \n\n\n\n\n\n}\n\nfunction playercontral() {\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    if (key.space) {\n        head.stepForward(3);\n    }\n    if (key.s) {\n        head.stepForward(20);\n    }\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        bodies.push(body);\n\n    }\n\n\n\n\n\n}\nfunction end() {\n    if (head.touched(bodies)) {\n        stop;\n    }\n    if (head.x \u003c 0 \u0026\u0026 head.x \u003e 640 \u0026\u0026 head.y \u003c 0 \u0026\u0026 head.y \u003e 480) {\n        stop;\n\n    }\n}","created_at":"2019-07-13T18:35:37.860+08:00","updated_at":"2020-06-20T20:15:15.782+08:00","name":"貪食蛇_S 副本","language":"javascript","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/79835/71f9432213fd17e6dd8f8dab84dc40e8.jpg"},"parent_id":54317,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":101,"hashid":"2pdsmz2j","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}