let thisLetter = 65

let fastest = 10000;

let slowest = 0;

let letterStart;

RT = fastest;

​

function setup() {

  createCanvas(400, 400);

  textAlign(CENTER, CENTER)

  fill(0);

  letterStart = millis();

}

​

function draw() {

  background(220);

  textSize(150);

  if (newLetter == true) {

    thisLetter = 65+int(random(25));

    newLetter = false;

    fill(0,0,0)

    letterStart = millis();

  }

  //65 - 90

  text(char(thisLetter),height/2,height/2)

  //take user input

  //check if matches this Letter

  //Tally points if it does

  // end after 60 seconds

  if (keyIsPressed) {

    if (key == char(thisLetter+32)) {

      RT = millis() - letterStart;

      if (RT < fastest) {

        fastest = RT;

      }

      if (RT > slowest) {

        slowest = RT

      }     

      newLetter = true

    }

  }

​

  stroke(0,0,0)

  line(20,110,20,90)

  stroke(255,0,0)

  line(width-20,110,width-20,90)

  stroke(0,0,0)

  total = width-40;

  line(20,100,width-20,100)

  best_line = map(fastest,0,2000,0,total)

  current_line = map(RT,0,2000,0,total)

  stroke(0,0,255)

  line(20+current_line,110,20+current_line,90)

  stroke(0,255,0)

  line(20+best_line,110,20+best_line,90)

  stroke(0,0,0)

​

}