Debug, add README and images, ready for publish
[rpsls-bot.git] / rpsls.js
diff --git a/rpsls.js b/rpsls.js
deleted file mode 100644 (file)
index 661e31c..0000000
--- a/rpsls.js
+++ /dev/null
@@ -1,107 +0,0 @@
-const nChoice = 3; //fixed for this game
-
-// Rewards matrix. Order: rock, lizard, Spock, scissors, paper
-const rewards = Array.from(Array(nChoice)).map( (e,i) => { //lines
-       return Array.from(Array(nChoice)).map( (f,j) => { //columns
-               // i against j: gain from i viewpoint
-               if (j == (i+1) % nChoice)// || j == (i+3) % nChoice)
-                       return 1; //I win :)
-               else if (i != j)
-                       return -1; //I lose :(
-               else //i == j
-                       return 0;
-       });
-});
-
-const symbols = [ "Rock", "Lizard", "Spock", "Scissors", "Paper" ];
-
-new Vue({
-       el: "#rpsls",
-       data: {
-               humanMove: -1, //integer in 0...nChoice-1
-               nInput: 5, //default
-               humanHistory: [ ], //your nInput last moves, stored (oldest first)
-               gameState: 0, //total points of the computer
-               drawIsLost: false, //normal (or true: draw is considered loss)
-               rewards: [ ], //initialized at first human move with new nInput
-               weights: [ ], //same as above
-       },
-       created: function() {
-               this.reinitialize();
-       },
-       methods: {
-               // Called on nInput change
-               reinitialize: function() {
-                       // weights[i][j][k]: output i -- input j/choice k
-                       this.weights = Array.from(Array(nChoice)).map( i => {
-                               return Array.from(Array(this.nInput)).map( j => {
-                                       return Array.from(Array(nChoice)).map( k => {
-                                               return 0;
-                                       });
-                               })
-                       });
-                       if (this.humanHistory.length > this.nInput)
-                               this.humanHistory.splice(this.nInput);
-               },
-               // Play a move given current data (*after* human move: trigger onChange)
-               play: function() {
-                       let candidates = [ ];
-                       Array.from(Array(nChoice)).forEach( (e,i) => {
-                               // Sum all weights from an activated input to this output
-                               let sumWeights = this.weights[i].reduce( (acc,input,j) => {
-                                       if (this.humanHistory.length <= j)
-                                               return 0;
-                                       return input[ this.humanHistory[j] ];
-                               }, 0 );
-                               let currentValue = {
-                                       val: sumWeights,
-                                       index: i
-                               };
-                               if (candidates.length == 0 || sumWeights > candidates[0].val)
-                                       candidates = [ currentValue ];
-                               else if (sumWeights == candidates[0].val)
-                                       candidates.push(currentValue);
-                       });
-                       // Pick a choice at random in maxValue (total random for first move)
-                       let randIdx = Math.floor((Math.random() * candidates.length) + 1);
-                       this.updateGameState(candidates[randIdx].index);
-               },
-               updateGameState: function(index) {
-                       let reward = rewards[index][this.humanMove]; //viewpoint of computer
-                       this.gameState += reward;
-                       this.updateWeights(reward, index);
-               },
-               updateWeights: function(reward, index) {
-                       let delta = Math.sign(reward);
-                       if (this.drawIsLost && reward == 0)
-                               delta = -1;
-                       this.weights[index].forEach( (input,i) => {
-                               if (i < this.humanHistory.length)
-                                       input[ this.humanHistory[i] ] += delta;
-                       });
-                       this.postUpdate();
-               },
-               // Finalize weights update
-               postUpdate: function() {
-                       // Re-center the weights
-                       let sumAllWeights = this.weights.reduce( (a,output) => {
-                               return a + output.reduce( (b,input) => {
-                                       return b + input.reduce( (c,choiceWeight) => {
-                                               return c + choiceWeight;
-                                       }, 0);
-                               }, 0);
-                       }, 0);
-                       let meanWeight = sumAllWeights / (this.nInput * nChoice * nChoice);
-                       this.weights.forEach( output => {
-                               output.forEach( input => {
-                                       for (let i=0; i<input.length; i++)
-                                               input[i] -= meanWeight;
-                               });
-                       });
-                       // Update human moves history
-                       this.humanHistory.push(this.humanMove);
-                       if (this.humanHistory.length > this.nInput)
-                               this.humanHistory.shift();
-               },
-  },
-});