「インターフェース 2019年2月号」人工知能アルゴリズム探検隊 第25回 シミュレーションSwift化
人工知能アルゴリズム探検隊 第25回 社会科学の基本問題「囚人のジレンマ」のシミュレーションプログラムをSwift化。
Playgroundで実行可能です。
元はProcessingです。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | import Cocoa let GAMEMAX = 10 let USINGTYPE = [ 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 ] let TYPEMAX = USINGTYPE . count var allScore = [[ Int ]]( repeating : [ Int ]( repeating : 0 , count : TYPEMAX ), count : TYPEMAX ) var allworL = [[ Int ]]( repeating : [ Int ]( repeating : 0 , count : TYPEMAX ), count : TYPEMAX ) struct CAgent { var score : Int = 0 var type : Int var gameNum : Int = 0 var dflag : Bool = false var stateA = [ Bool ]( repeating : true , count : GAMEMAX ) var stateB = [ Bool ]( repeating : true , count : GAMEMAX ) init ( type : Int ) { self . type = type } mutating func game ( mb : CAgent ) { stateB [ 0 ] = mb . stateA [ 0 ] gameNum = gameNum + 1 if stateA [ 0 ] == true & & stateB [ 0 ] == true { score = score + 6 //3 //6 } else if stateA [ 0 ] == true & & stateB [ 0 ] == false { score = score + 0 } else if stateA [ 0 ] == false & & stateB [ 0 ] == true { score = score + 8 //5 //8 } else if stateA [ 0 ] == false & & stateB [ 0 ] == false { score = score + 2 //1 //2 } if stateB [ 0 ] == false { dflag = true } } mutating func updateState () { for k in ( 1 ... GAMEMAX - 1 ). reversed () { stateA [ k ] = stateA [ k - 1 ] stateB [ k ] = stateB [ k - 1 ] } } mutating func initCAgent () { if type == 1 || type == 3 || type == 5 { stateA [ 0 ] = false } else { stateA [ 0 ] = true } score = 0 dflag = false } mutating func nextState () { switch type { case 0 : //ALL-C stateA [ 0 ] = true case 1 : //ALL-D stateA [ 0 ] = false case 2 , 3 : //TFT,antiTFT stateA [ 0 ] == stateB [ 1 ] case 4 , 5 : //Repeat-initC,Repeat-initD stateA [ 0 ] = ! stateA [ 1 ] case 7 : //GRIM* if gameNum == GAMEMAX - 1 { dflag = true } fallthrough case 6 : //GRIM if dflag == false { stateA [ 0 ] = true } else { stateA [ 0 ] = false } case 8 : //antiTFT if gameNum > 2 & & stateB [ 1 ] == false & & stateB [ 2 ] == false { stateA [ 0 ] = false } else { stateA [ 0 ] = true } case 10 : //Random if Int . random ( in : 0 ... 1 ) < 1 { stateA [ 0 ] = true } else { stateA [ 0 ] = false } default : break } } } var mAgentA :[ CAgent ] = [] var mAgentB :[ CAgent ] = [] func setup () { for i in 0 .. < TYPEMAX { mAgentA . append ( CAgent ( type : USINGTYPE [ i ])) mAgentB . append ( CAgent ( type : USINGTYPE [ i ])) } allGame () disp () } func allGame () { for i in 0 .. < TYPEMAX { for j in 0 .. < TYPEMAX { mAgentA [ i ]. initCAgent () mAgentB [ j ]. initCAgent () for _ in 0 .. < GAMEMAX { mAgentA [ i ]. game ( mb : mAgentB [ j ]) mAgentB [ j ]. game ( mb : mAgentA [ i ]) mAgentA [ i ]. updateState () mAgentB [ j ]. updateState () mAgentA [ i ]. nextState () mAgentB [ j ]. nextState () } //利得の保存 allScore [ i ][ j ] = mAgentA [ i ]. score //勝敗の保存 if mAgentA [ i ]. score < mAgentB [ j ]. score { allworL [ i ][ j ] = - 1 } else if mAgentA [ i ]. score > mAgentB [ j ]. score { allworL [ i ][ j ] = 1 } else { allworL [ i ][ j ] = 0 } } } } func disp () { print ( "Score----------" ) for i in 0 .. < TYPEMAX { for j in 0 .. < TYPEMAX { print ( "\( allScore [ i ][ j ] )\t" , separator : "" , terminator : "" ) } print () } print ( "Win or Loose----------" ) for i in 0 .. < TYPEMAX { for j in 0 .. < TYPEMAX { print ( "\( allworL [ i ][ j ] )\t" , separator : "" , terminator : "" ) } print () } } setup () |
Result
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | Score---------- 60 0 60 0 30 30 60 54 60 80 20 80 20 50 50 26 26 32 60 0 60 0 30 30 60 60 60 80 20 80 20 50 50 26 26 32 70 10 70 10 40 40 22 22 70 70 10 70 10 40 40 16 16 64 60 18 60 18 46 48 60 60 60 62 18 60 18 46 48 60 60 60 60 16 60 16 30 32 60 60 60 Win or Loose---------- 0 -1 0 -1 -1 -1 0 -1 0 1 0 1 0 1 1 1 1 1 0 -1 0 -1 -1 -1 0 0 0 1 0 1 0 1 1 1 1 1 1 -1 1 -1 0 0 -1 -1 1 1 -1 1 -1 0 0 -1 -1 1 0 -1 0 -1 1 1 0 0 0 1 -1 0 -1 1 1 0 0 0 0 -1 0 -1 -1 -1 0 0 0 |