let lastChoiceA = "";

let lastChoiceB = "";

let outcome = "";

​

function setup() {

  createCanvas(800, 600);

  textSize(20);

​

  // Buttons for Prisoner A

  buttonASilent = createButton('Remain Silent');

  buttonASilent.position(150, 150);

  buttonASilent.mousePressed(() => updateChoices("A", "Silent"));

​

  buttonABetray = createButton('Betray Other');

  buttonABetray.position(150, 190);

  buttonABetray.mousePressed(() => updateChoices("A", "Betray"));

​

  // Buttons for Prisoner B

  buttonBSilent = createButton('Remain Silent');

  buttonBSilent.position(550, 150);

  buttonBSilent.mousePressed(() => updateChoices("B", "Silent"));

​

  buttonBBetray = createButton('Betray Other');

  buttonBBetray.position(550, 190);

  buttonBBetray.mousePressed(() => updateChoices("B", "Betray"));

}

​

function draw() {

  background(240);

​

  // Display Labels and Rectangles

  fill(200);

  rect(100, 50, 200, 50);

  rect(500, 50, 200, 50);

  fill(0);

  text("Prisoner A", 200, 75);

  text("Prisoner B", 600, 75);

​

  // Show outcomes in a 2x2 grid

  textSize(16);

  text("Both Remain Silent: Lightest Sentence", 200, 300);

  text("Both Betray: Harsher Sentence", 200, 340);

  text("A Betrays, B Silent: A free, B max", 200, 380);

  text("B Betrays, A Silent: B free, A max", 200, 420);

​

  // Highlight outcome

  if (outcome !== "") {

    highlightOutcome();

  }

​

  // Show last choices

  textSize(20);

  fill(0);

  text("Last Choice A: " + lastChoiceA, 200, 500);

  text("Last Choice B: " + lastChoiceB, 600, 500);

}

​

function updateChoices(prisoner, choice) {

  if (prisoner === "A") {

    lastChoiceA = choice;

  } else {

    lastChoiceB = choice;

  }

  determineOutcome();

}

​

function determineOutcome() {

  if (lastChoiceA === "Silent" && lastChoiceB === "Silent") {

    outcome = "silent";

  } else if (lastChoiceA === "Betray" && lastChoiceB === "Betray") {

    outcome = "betray";

  } else if (lastChoiceA === "Betray" && lastChoiceB === "Silent") {

    outcome = "aWins";

  } else if (lastChoiceB === "Betray" && lastChoiceA === "Silent") {

    outcome = "bWins";

  } else {

    outcome = "";

  }

}

​

function highlightOutcome() {

  stroke(255, 0, 0);

  strokeWeight(2);

  noFill();

​

  if (outcome === "silent") {

    rect(50, 280, 700, 30);

  } else if (outcome === "betray") {

    rect(50, 320, 700, 30);

  } else if (outcome === "aWins") {

    rect(50, 360, 700, 30);

  } else if (outcome === "bWins") {

    rect(50, 400, 700, 30);

  }

  noStroke();

}

​