initialState = {
  x: 0,
  y: 112,
  sprite: 0,
  counter: 0,
  flip: false
}

const walkCycle = [1, 2, 3, 4, 5, 6]

update = (state, input) => {
  if (input.left) {
    state.x -= 1
    state.flip = true
  }
  
  if (input.right) {
    state.x += 1
    state.flip = false
  }

  if (input.left || input.right) {
    const slowCounter = Math.floor(state.counter / 5)
    state.sprite = walkCycle[slowCounter % 6]
    state.counter++
  } else {
    state.sprite = 0
    state.counter = 0
  }
}

draw = state => {
  clear()
  map()
  sprite(state.x, state.y, state.sprite, 0, state.flip)
}