version fonctionelle
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Didictateur
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156
index.html
156
index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Strategy Grid</title>
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<style>
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body {
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font-family: sans-serif;
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display: flex;
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flex-direction: column;
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align-items: center;
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margin-top: 30px;
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}
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#controls {
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margin-bottom: 15px;
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}
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#stepBtn {
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font-size: 14px;
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padding: 6px 16px;
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cursor: pointer;
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}
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#container {
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display: flex;
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flex-direction: row;
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align-items: flex-start;
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gap: 30px;
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}
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#grid {
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display: grid;
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gap: 1px;
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background-color: #333;
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border: 1px solid #333;
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}
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.cell {
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width: 12px;
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height: 12px;
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}
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#legend {
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display: flex;
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flex-direction: column;
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gap: 10px;
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padding-top: 4px;
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}
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.legend-item {
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display: flex;
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align-items: center;
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gap: 8px;
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font-size: 14px;
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white-space: nowrap;
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}
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.legend-color {
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width: 14px;
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height: 14px;
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display: inline-block;
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border: 1px solid #333;
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flex-shrink: 0;
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}
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</style>
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</head>
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<body>
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<h1>Strategy Grid</h1>
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<div id="controls">
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<button id="stepBtn">Step</button>
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</div>
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<div id="container">
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<div id="grid"></div>
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<div id="legend"></div>
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</div>
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<script src="main.js"></script>
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<script>
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// This file only handles rendering.
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// ALLC, ALLD, RAND, TFT, GRIM, MAJ and the Party class
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// are already defined in script.js and are not redefined here.
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// ---- Color / function mapping ----
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const COLORS = {
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allwaysCooperate: "#2ecc71", // green
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allwaysDefect: "#e74c3c", // red
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randomChoice: "#95a5a6", // gray
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titForThat: "#3498db", // blue
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grimTrigger: "#8e44ad", // purple
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majority: "#f39c12" // orange
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};
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const LABELS = {
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allwaysCooperate: "Always Cooperate",
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allwaysDefect: "Always Defect",
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randomChoice: "Random",
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titForThat: "Tit-for-Tat",
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grimTrigger: "Grim Trigger",
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majority: "Majority"
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};
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// ---- Rendering ----
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function renderGrid(party) {
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const gridEl = document.getElementById("grid");
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gridEl.innerHTML = "";
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gridEl.style.gridTemplateColumns = `repeat(${party.length}, 12px)`;
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for (let i = 0; i < party.length; i++) {
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for (let j = 0; j < party.length; j++) {
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const fn = party.grid[i][j];
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const cell = document.createElement("div");
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cell.className = "cell";
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cell.style.backgroundColor = COLORS[fn.name] || "#000";
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cell.title = LABELS[fn.name] || fn.name;
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gridEl.appendChild(cell);
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}
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}
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}
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function renderLegend() {
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const legendEl = document.getElementById("legend");
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for (const key in COLORS) {
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const item = document.createElement("div");
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item.className = "legend-item";
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const colorBox = document.createElement("span");
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colorBox.className = "legend-color";
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colorBox.style.backgroundColor = COLORS[key];
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const label = document.createElement("span");
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label.textContent = LABELS[key];
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item.appendChild(colorBox);
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item.appendChild(label);
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legendEl.appendChild(item);
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}
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}
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// ---- Execution ----
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const party = new Party(60);
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renderGrid(party);
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renderLegend();
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document.getElementById("stepBtn").addEventListener("click", () => {
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party.step();
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renderGrid(party);
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});
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</script>
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</body>
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</html>
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92
main.js
92
main.js
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@ -61,4 +61,96 @@ class Party {
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}
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}
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}
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step() {
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const T = 5;
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const R = 3;
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const P = 1;
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const S = 0;
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const nbRound = 50;
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let scores = [];
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for (let i = 0; i < this.length; i++) {
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scores[i] = [];
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for (let j = 0; j < this.length; j++) {
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scores[i][j] = 0;
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}
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}
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// computing scores
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for (let i = 0; i < this.length; i++) {
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for (let j = 0; j < this.length; j++) {
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for (let di = -1; di < 2; di++) {
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for (let dj = -1; dj < 2; dj ++) {
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if (di !== 0 || dj !== 0) {
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const ni = (i + di + this.length) % this.length;
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const nj = (j + dj + this.length) % this.length;
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let playerHist = [];
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let playerStrat = this.grid[i][j];
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let foeHist = [];
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let foeStrat = this.grid[ni][nj];
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for (let k = 0; k < nbRound; k++) {
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let playerMove = playerStrat(foeHist);
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let foeMove = foeStrat(playerHist);
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playerHist.push(playerMove);
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foeHist.push(foeMove);
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if (playerMove && foeMove) { // both shared
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scores[i][j] += R;
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scores[ni][nj] += R;
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} else if (playerMove && !foeMove) { // player lose
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scores[i][j] += S;
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scores[ni][nj] += T;
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} else if (!playerMove && foeMove) { // foe lose
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scores[i][j] += T;
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scores[ni][nj] += S;
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} else { // both lose
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scores[i][j] += P;
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scores[ni][nj] += P;
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}
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}
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}
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}
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}
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}
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}
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let newGrid = [];
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for (let i = 0; i < this.length; i++) {
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newGrid[i] = [];
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for (let j = 0; j < this.length; j++) {
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newGrid[i][j] = 0;
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}
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}
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// changing strarts
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for (let i = 0; i < this.length; i++) {
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for (let j = 0; j < this.length; j++) {
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let bestScore = scores[i][j];
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newGrid[i][j] = this.grid[i][j];
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for (let di = -1; di < 2; di++) {
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for (let dj = -1; dj < 2; dj ++) {
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if (di !== 0 || dj !== 0) {
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const ni = (i + di + this.length) % this.length;
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const nj = (j + dj + this.length) % this.length;
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if (scores[ni][nj] > bestScore) { // someone has a better strategy
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newGrid[i][j] = this.grid[ni][nj];
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bestScore = scores[ni][nj];
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}
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}
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}
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}
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}
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}
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this.grid = newGrid;
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}
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}
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