{"id":8563,"student_id":1470,"content":"setBackdrop(\"#ffffff\");\nvar coinNum = 5;\nvar coins = [];\nvar coinArr = [];\nvar coin;\nfunction init() {\n for (var i = 0; i \u003c coinNum; i++) {\n coin = createSprite({\n costumes: [\"CoinDown.png\", \"CoinUp.png\"],\n x: (i + 1) * 100,\n y: 100\n });\n coinArr.push(coin);\n //console.log(coinArr[i]);\n }\n console.log(\"COIN\" + coinArr.length);\n for(var i = 0 ; i \u003c coinNum; i++){\n coins[i] = 0;\n }\n var EvenNumber = Math.floor(Math.random()*coinNum/2) * 2;\n console.log(\"E: \" + EvenNumber);\n var arr = generateRands(EvenNumber);\n for(var i = 0; i \u003c arr.length; i++){\n console.log(arr[i] - 1);\n coins[arr[i] - 1] = 1;\n console.log(\"//\");\n for(var i = 0; i \u003c coins.length; i++){\n console.log(coins[i]);\n }\n console.log(\"//\");\n console.log(\"CoinArr[\"+arr[i-1]+\"]=\"+coinArr[arr[i - 1]]);\n coinArr[arr[i] - 1].costumeId = 1;\n }\n\n}\n\n\n\nfunction generateRands(num) {\n var arr = []\n while (arr.length \u003c num) {\n var randomnumber = Math.ceil(Math.random() * coinNum);\n if (arr.indexOf(randomnumber) \u003e -1) continue;\n arr[arr.length] = randomnumber;\n }\n return arr;\n}\n\n\ninit();","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-11-11T20:37:52.420+08:00","name":"翻轉錢幣","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/8563/7cb0c64e9d50ef6108de33349c305560.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":402,"hashid":"6rpsvn5","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
[{"id":189340,"file_name":"CoinDown.png","project_id":8563,"asset_id":22980,"created_at":"2017-08-02T17:11:46.602+08:00","updated_at":"2017-08-02T17:11:46.602+08:00"},{"id":189341,"file_name":"CoinUp.png","project_id":8563,"asset_id":22981,"created_at":"2017-08-02T17:11:46.605+08:00","updated_at":"2017-08-02T17:11:46.605+08:00"}]
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