掉寶率的公式 - 仙境傳說

By Heather
at 2015-01-08T01:09
at 2015-01-08T01:09
Table of Contents
最廣為流傳的公式就是
吃了掉寶糖之後掉落率應該是 1-不會掉落率^2
掉寶糖無視等差懲罰
但其實根據我的統計,很明顯完全不符合
真正的公式其實是下面這個
(1)掉寶率=原始掉寶率*等差懲罰
在沒吃掉寶糖的情況下,公式(1)是成立的
吃了掉寶糖其實是多了第二次的判斷
然後這第二次的判斷是無視等差懲罰
吃了掉寶糖的公式會是下面這個
真正掉寶率=公式(1)+原始掉寶率*(掉寶糖提升機率+伺服器提升率+DAIDAI)
掉寶糖提升的機率是100%
伺服器提升2倍的機率是100%,3倍是200%,沒提升就0%
根據實測結果 DAIDAI也有提升20%的掉寶機率
算出真正的掉寶率之後,系統會判斷真正掉寶率是否超過90%
如果沒超過90%,就會跟據此機率掉落物品
如果有超過90%,就會強制90%,最高就90%不會再高
(除非有特別設定掉落率100%的物品)
都記錄到眼花撩亂了,有時候都不知道有沒有重複算到,最終得到了這結果
至於MVP有沒有等差懲罰,這我不敢賭定,因為樣本數太少
目前的數據告訴我MVP是有等差懲罰的...
例子1:
波利掉落空瓶機率15%、傑勒比結晶70%
等級175吃掉寶糖去打波利
空瓶實際掉落機率=15%*0.5(等差懲罰)+15%*1(掉寶糖)=22.5%
傑勒比結晶實際掉落機率=70%*0.5(等差懲罰)+70%*1=105%
105% > 90% 強制90%
等級1的初心者吃掉寶糖打波利
實際掉落機率=15%*1(沒等差懲罰)+15%*1(掉寶糖)=30%
傑勒比結晶實際掉落機率=70%*1(沒等差懲罰)+70%*1=140%
140% > 90% 強制90%
也就是說在沒有等差懲罰的情況下,掉寶倍增糖是真的"加倍"
例子2:
吃掉寶打夜勝魔
紅刀和藍刀掉落率超過90%都強制90%
少一把刀或兩把都不噴的機率 1-0.9*0.9=19%
少一把以上的刀機率高達了19%
至於掉寶機率的最好實驗對象就是樹精
智慧樹枝掉落機率20%
吃掉寶糖後
根據原本公式 175去打會 1-0.8^2=36%
我的公式 20%*0.5+20%*1=30% 差了6%
打個500隻就可以看出智慧樹枝掉寶率是在28%~32%之間
而不是34%~38%之間
--
Tags:
仙境傳說
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