function setup() {

  createCanvas(windowWidth, windowHeight);

  test = generateRooms(12)

}

​

function windowResized(){

  resizeCanvas(windowWidth,windowHeight);

}

​

function generateRooms(roomCount){

  let rooms = [[0,0]]

  for(let i = 1; i < roomCount; i++){

    let success = false

    while(!success){

      let source = random(rooms)

      let x = source[0]

      let y = source[1]

      if(Math.random() < 0.5){

        x += round(random(-1,1))

      }else{

        y += round(random(-1,1))

      }

      // check for overlap

      success = true

      for(let room of rooms){

        if(room[0] == x && room [1] == y){

          success = false

        }

      }

      if(success){

        rooms[rooms.length] = [x,y]

      }

    }

  }

  return rooms

}

​

​

let roomSize = 700

    wallThickness = 40

    doorWidth = 200

​

let cx = 0

    cy = 0

​

let time = 0

​

function draw() {

  background(220);

  let dt = round(deltaTime/1000,3)

  time += dt

  if(keyIsDown(87)) cy += 300 * dt

  if(keyIsDown(83)) cy -= 300 * dt

  if(keyIsDown(65)) cx += 300 * dt

  if(keyIsDown(68)) cx -= 300 * dt

  for(let room of test){

    noStroke()

    fill(0)

    rect(windowWidth - 100 + room[0] * 25,100 + room[1] * 25,20,20)

  }

  push()

  translate(cx,cy)

  for(let room of test){

    let rx = room[0]*roomSize

    let ry = room[1]*roomSize

    noFill()

    stroke(0)

    strokeWeight(2)

    strokeCap(PROJECT)

    let check = false

    for(let place of test){

      if(place[0] == room[0] - 1 && place[1] == room[1]) check = true

    }

      line(rx - roomSize/2 + wallThickness, ry - roomSize/2 + wallThickness, rx - roomSize/2 + wallThickness, ry-doorWidth/2)

      line(rx - roomSize/2 + wallThickness, ry-doorWidth/2,rx - roomSize/2, ry-doorWidth/2)

      line(rx - roomSize/2 + wallThickness, ry + roomSize/2 - wallThickness, rx - roomSize/2 + wallThickness, ry+doorWidth/2)

      line( rx - roomSize/2 + wallThickness, ry+doorWidth/2, rx - roomSize/2, ry+doorWidth/2)

    if(!check) line(rx - roomSize/2, ry - doorWidth/2, rx - roomSize/2, ry + doorWidth/2)

    check = false

    for(let place of test){

      if(place[0] == room[0] && place[1] == room[1] - 1) check = true

    }

    line(rx - roomSize/2 + wallThickness, ry - roomSize/2 + wallThickness, rx - doorWidth/2, ry - roomSize/2 + wallThickness)

    line(rx - doorWidth/2, ry - roomSize/2 + wallThickness, rx - doorWidth/2, ry - roomSize/2)

    line(rx + roomSize/2 - wallThickness, ry - roomSize/2 + wallThickness, rx + doorWidth/2, ry - roomSize/2 + wallThickness)

    line(rx + doorWidth/2, ry - roomSize/2 + wallThickness, rx + doorWidth/2, ry - roomSize/2)

    if(!check) line(rx - doorWidth/2, ry - roomSize/2, rx + doorWidth/2, ry - roomSize/2)

    check = false

    for(let place of test){

      if(place[0] == room[0] + 1 && place[1] == room[1]) check = true

    }

    line(rx + roomSize/2 - wallThickness, ry - roomSize/2 + wallThickness, rx + roomSize/2 - wallThickness, ry-doorWidth/2)

      line(rx + roomSize/2 - wallThickness, ry-doorWidth/2,rx + roomSize/2, ry-doorWidth/2)

      line(rx + roomSize/2 - wallThickness, ry + roomSize/2 - wallThickness, rx + roomSize/2 - wallThickness, ry+doorWidth/2)

      line( rx + roomSize/2 - wallThickness, ry+doorWidth/2, rx + roomSize/2, ry+doorWidth/2)

    if(!check) line(rx + roomSize/2, ry - doorWidth/2, rx + roomSize/2, ry + doorWidth/2)

    check = false

    for(let place of test){

      if(place[0] == room[0] && place[1] == room[1] + 1) check = true

    }

    line(rx - roomSize/2 + wallThickness, ry + roomSize/2 - wallThickness, rx - doorWidth/2, ry + roomSize/2 - wallThickness)

    line(rx - doorWidth/2, ry + roomSize/2 - wallThickness, rx - doorWidth/2, ry + roomSize/2)

    line(rx + roomSize/2 - wallThickness, ry + roomSize/2 - wallThickness, rx + doorWidth/2, ry + roomSize/2 - wallThickness)

    line(rx + doorWidth/2, ry + roomSize/2 - wallThickness, rx + doorWidth/2, ry + roomSize/2)

    if(!check) line(rx - doorWidth/2, ry + roomSize/2, rx + doorWidth/2, ry + roomSize/2)

  }

  pop()

}