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GameplayKit, GKRandomSource, GKRandomDistribution
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kichikuchi
October 23, 2015
Programming
1
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GameplayKit, GKRandomSource, GKRandomDistribution
shibuya.swift #1 発表資料
kichikuchi
October 23, 2015
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Transcript
(BNFQMBZ,JUͷհ !LJDIJLVDIJ TIJCVZBTXJGU
ࣗݾհ w ٠ل ,B[VOPSJ,JLVDIJ w !LJDIJLVDIJ w J04ΤϯδχΞ w
(.0ϖύϘɿNJOOFνʔϜ w 0CKFDUJWF$ྺɿͱ
(BNFQMBZ,JUͷલʹ w 4QSJUF,JU w J04Ҏ্ʹରԠ͢ΔήʔϜ։ൃ༻ϑϨʔϜϫʔΫ w εϓϥΠτʹΞχϝʔγϣϯΛઃఆ w ཧγϛϡϨʔγϣϯʹΑΔিಥͷ࠶ݱ w
ήʔϜͷΞχϝʔγϣϯ෦Λ୲
(BNFQMBZ,JUͱ w J04͔ΒՃ͞ΕͨήʔϜͷγεςϜ෦ͷجຊ ػೳΛఏڙͯ͘͠ΕΔϑϨʔϜϫʔΫ w ήʔϜͷγεςϜ෦Λ୲
(BNFQMBZ,JUͷΫϥε w ͍͔ͭ͘ϐοΫΞοϓ ৄ͘͠SFGΛࢀর w (,3BOEPN4PVSDF w (,3BOEPN%JTUSJCVUJPO w (,.JONBY4USBUFHJTU
w (,(SBQI w (,"HFOU w (,3VMF4ZTUFN
(BNFQMBZ,JUͷΫϥε w ͍͔ͭ͘ϐοΫΞοϓ ৄ͘͠SFGΛࢀর w (,3BOEPN4PVSDF w (,3BOEPN%JTUSJCVUJPO w (,.JONBY4USBUFHJTU
w (,(SBQI w (,"HFOU w (,3VMF4ZTUFN
(,3BOEPN4PVSDF w ཚΛੜ͢Δ let rundomNumber = GKRandomSource.sharedRandom().nextInt() let rundomNumber2
= GKRandomSource.sharedRandom().nextIntWithUpperBound(6) < d > <d> w ཚੜͷΞϧΰϦζϜ w "3$
༷ʑͳੜํ๏ w (,"3$3BOEPN4PVSDF w ໌ࣔతʹTFFEΛ༩͑ͯཚΛੜ͢Δ let rundomNumber = GKARC4RandomSource.init(seed:
data).nextInt() w ผΞϧΰϦζϜͰཚΛੜ w (,-JOFBS$POHSVFOUJBM3BOEPN4PVSDF w )JHI1FSGPSNBODF -PX3BOEPNOFTT w (,.FSTFOOF5XJTUFS3BOEPN4PVSDF w )JHI3BOEPNOFTT -PX1FSGPSNBODF
ྻͷγϟοϑϧ let numbers = [Int](1...100) let shuffledNumbers = GKRandomSource.sharedRandom().arrayByShufflingObjectsInArray(number
s)
(,3BOEPN%JTUSJCVUJPO w ಛఆͷ֬ʹجͮ͘ཚΛੜͰ͖Δ w (,(BVTTJBO%JTUSJCVUJPO w (,4IV⒐FE%JTUSJCVUJPO let diceNumber
= GKRandomDistribution.d6().nextInt() let asakusaLine = GKRandomDistribution.d20().nextInt() let original = GKRandomDistribution(randomSource: GKMersenneTwisterRandomSource(), lowestValue: 10, highestValue: 20).nextInt() <d> <d> <d>
(,(BVTTJBO%JTUSJCVUJPO w ਖ਼نʹجͮ͘ཚΛੜ for (var i = 0; i
< 10000; i++) { print(GKGaussianDistribution.d20().nextInt()) }
(,4IV⒐FE%JTUSJCVUJPO w ࢦఆ͞ΕͨൣғͷࣈΛ̍ճͮͭબ͢Δ for (var i = 0; i
< 10000; i++) { print(GKShuffledDistribution.d20().nextInt()) }
ཚͷҰ୴ऴΘΓʂ
͕͜͜Πέͯͳ͍Αʂ w 0CKFDUJWF$ͷΈͰར༻Մೳͳϝιου͕ଟ
͕͜͜Πέͯͳ͍Αʂʂ w 0CKFDUJWF$ w ϝιουɿݸ w 4XJGU w ϝιουɿݸ
·ͱΊ w (BNFQMBZ,JU֓ཁ w ήʔϜγεςϜ෦ͷ࡞ʹศརͳػೳΛଟఏ ڙͯ͘͠ΕΔ w (,3BOEPN΄ʹΌΒΒ w ༷ʑͳཚΛखܰʹੜ
w ήʔϜҎ֎Ͱར༻Մೳʂ w 0CKFDUJWF$ͷΈར༻Մೳͳϝιου͕ଟ