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simulator.mjs
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simulator.mjs
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import { move as strat1 } from "./strategies/tit_for_tat.mjs";
import { move as strat2 } from "./strategies/strat1.mjs";
const COOPERATE = 5;
const DEFECT = 3;
const BOTH_DEFECT = 1;
class Simulator {
constructor(rounds, strat1, strat2) {
this.rounds = rounds
this.strat1 = strat1
this.strat2 = strat2
this.strat1Score = 0;
this.strat2Score = 0;
this.strat1Moves = [];
this.strat2Moves = [];
}
run() {
let strat1LastMove = null;
let strat2LastMove = null;
let i = 0;
while (i < this.rounds) {
const result1 = this.makeMove(this.strat1, strat2LastMove, i);
const result2 = this.makeMove(this.strat2, strat1LastMove, i);
strat1LastMove = result1;
strat2LastMove = result2;
this.strat1Moves.push(result1);
this.strat2Moves.push(result2);
this.updateScores(result1, result2);
i+= 1;
}
console.log('Finished running game')
this.printScores(this.strat1Score, this.strat2Score);
}
updateScores(result1, result2) {
if ([result1, result2].every(val => val === 1)) {
this.strat1Score += COOPERATE;
this.strat2Score += COOPERATE;
} else if([result1, result2].every(val => val === -1)) {
this.strat1Score += BOTH_DEFECT;
this.strat2Score += BOTH_DEFECT;
} else if(result1 === -1 && result2 === 1) {
this.strat1Score += DEFECT;
} else if(result1 === 1 && result2 === -1) {
this.strat2Score += DEFECT;
}
}
makeMove(strat, lastMove, round) {
return strat(lastMove, round);
}
printScores(score1, score2) {
console.log(`Strategy 1 score: ${score1}`);
console.log(`Strategy 2 score: ${score2}`);
}
seeMoves() {
console.log(this.strat1Moves)
console.log(this.strat2Moves)
}
}
const rounds = 200
const game = new Simulator(rounds, strat1, strat2);
game.run();
// game.seeMoves();