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    17 直播從 0 到 1 之狼人殺 - Racing Wang === {%hackmd LcL4-VI0SGitSiINTuy4rA %} Project: 17狼人殺 本質是團康遊戲,在中國曾流行一段時間,於是 17 想要透過直播做一個嘗試。 [紙牌規則](https://forum.gamer.com.tw/C.php?bsn=60076&snA=4092113) - 主播: - 具有最大的權限 - 有影像與聲音的權限 - 可參與遊戲 - 玩家 - 具有聲音權限 - 參與遊戲 - 觀眾 - 觀賽 - 可留言與主播互動 # 實作 ## Component - OpenTok - 即時語音互動的服務 - 主播/玩家 交換影音串流 - Pub/Sub Service - channel - 房間,可以廣播給所有訂閱該房的訂閱者 - subscribe - 訂閱 - 即時更新遊戲狀態的改變 - - Streaming Server - 主播 video/audio buffer 推到這個機器,再由這個機器推給所有觀看的觀眾 - video 取得方式: screenshot - 系統架構 - 主播 <- Pub/Sub Service -> 玩家 - 主播 - Streaming Server -> 觀眾 - 主播 <-> OpenTok <-> 玩家 - Finite State Machine ## 遊戲進程 - 小明 -殺小白 API-> server -告訴大家:白天降臨,小白GG-> Pub/Sub Server -> 其他玩家 ## Testing * Game Bot * 大流量測試 (壓測) ## 降低風險的方法 * 白名單(whitelist) (找20個手機比較好的主播先測試) * 階段性發布(Gradual Launch) * Feature Flag (遇到緊急狀況才能夠快速的止血) * Content Monitoring(半自動與人工)(曾經被 Apple 下架兩次的血淚經驗) ## 狼人殺的結局 - 雖然失敗但轉型為成功的玩法 - 回合制過於冗長,想要看的人並不多,觀眾沒有參與感 - 改進後變成新的遊戲-->17Q (萬人回答益智問題拿獎金)(電視台都有參考借鏡) 開發時 3:00 AM 都還在持續改code(有發加班費) ## Q&A 1. 管理Flag的方式 >聊天區 >是說 OpenTok 的分享呢!!!?? >怎們都剩下工商了HAHA > ###### tags: `COSCUP2019` `綜合` `IB101`

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