# Space toggles visibility; Right arrow moves a position that wraps.
state visible = true
state position = 120
input toggle = key Space
input move = key ArrowRight
view marker_x = position
view marker_radius = if visible { 24 } else { 0 }
view tile_x = position - 24
view value = visible

on toggle.down {
  visible = !visible
}

on move.down {
  position = position + 40
  if position > 560 {
    position = 80
  }
}