Console Warmer

consolewarmer.scala

var n = 60
var n2 = 20
while (true) {
  n = n + (if (scala.util.Random.nextBoolean()) 1 else -1)
  n = n max 0 min 80
  n2 = n2 + (if (scala.util.Random.nextBoolean()) 1 else -1)
  n2 = n2 max 0 min 80
  for (i <- 0 until (n min n2)) print(" ")
  if (n2 < n) print("░") else print("█")
  for (i <- 0 until (n max n2) - (n min n2)) print(" ")
  if (n2 > n) print("░") else print("█")
  print("\n")
  Thread.sleep(500)
}