SCRIPT-8

README.md

This is a SCRIPT-8 cassette. Click here to boot it.

chains.json

{}

code.js

init = state => {
  state.time = 0
  state.actors = [...createTickets(20), createPlayer()]
  state.gameSpeed = 32;
}

function createPlayer() {
  return {
    id: 'player',
    x: 0,
    y: 120,
    vx: 0,
    vy: 0,
    sprite: 32,
    brighten: 1
  }
}

function createTickets(length) {
  return [...Array.from({ length }, (_, i) => {
    return {
      id: 'ticket-' + i,
      x: Math.random() * 120 | 0,
      y: -8,
      w: Math.random() / 2 + 0.25,
      sprite: Math.random() * 4 | 0,
      brighten: (-3 + Math.random() * 3) | 0
    }
  })]
}

update = (state, input, elapsed) => {
  state.delta = elapsed / 1000;
  state.time += elapsed
  
  updateTickets(state)
  updatePlayer(state, input)
  log(state.actors.length)
}

function updatePlayer(state, input) {
  const player = state.actors.find(a => a.id === 'player');
  if(input.right) {
    player.vx = player.vx + 0.4
  }
  if(input.left) {
    player.vx = player.vx - 0.4
  }
  player.vx = clamp(player.vx * 0.816, -1.5, 1.5)
  if(Math.abs(player.vx) < 0.25) {
    player.vx = 0
  }
  if(player.vx < 0) {
    player.flipH = true;
  } else if(player.vx > 0) {
    player.flipH = false;
  }
  
  player.x += player.vx * state.delta * 100
  player.y += player.vy * state.delta * 100
  player.sprite = 32 + Math.floor(state.time / 30 * Math.abs(player.vx)) % 5
}

function updateTickets(state) {
  const tickets = state.actors.filter(a => a.id.indexOf('ticket') === 0);
  tickets.forEach(ticket => {
    ticket.x += Math.sin(ticket.w * state.time / 100) * ticket.w
    ticket.y += (state.gameSpeed * state.delta * ticket.w * 4);
    ticket.sprite = Math.floor(ticket.w * state.gameSpeed * state.time / 1000) % 4
  })
  // cleanup
  state.actors = state.actors.filter(a => !a.id.indexOf('ticket') === 0 || a.y < 128)
  
  if(state.actors.length < 20) {
    state.actors.push(...createTickets(1))
  }
}

draw = state => {
  clear()
  drawActors(state)
  drawPlayer(state)
}

function drawPlayer(state) {
  const player = state.actors.find(a => a.id === 'player');
  sprite(player.x, player.y - 8, 16, player.brighten, player.flipH, player.flipV)
}

map.json

[]

misc.json

{
  "iframeVersion": "0.1.280",
  "lines": [
    88,
    0,
    0,
    0,
    0,
    0,
    0,
    0
  ]
}

phrases.json

{}

songs.json

{}

sprites.json

{
  "0": [
    "        ",
    "  0000  ",
    " 0000   ",
    " 0000   ",
    " 0000   ",
    " 0000   ",
    "  0000  ",
    "  0000  "
  ],
  "1": [
    "        ",
    " 0000   ",
    " 0000   ",
    "  0000  ",
    "  0000  ",
    "  0000  ",
    "  0000  ",
    "  0000  "
  ],
  "2": [
    "        ",
    " 0000   ",
    "  0000  ",
    "  0000  ",
    "  0000  ",
    "  0000  ",
    "  0000  ",
    "  0000  "
  ],
  "3": [
    "        ",
    "  0000  ",
    "  0000  ",
    "  0000  ",
    " 0000   ",
    " 0000   ",
    " 0000   ",
    "  0000  "
  ],
  "16": [
    "        ",
    "   00   ",
    "   00   ",
    "   00   ",
    "   0    ",
    "  000   ",
    " 00000  ",
    " 00000  "
  ],
  "17": [
    "        ",
    "0  00  0",
    "0  00  0",
    "0  00  0",
    " 0 0  0 ",
    " 00000  ",
    "  0000  ",
    "  0000  "
  ],
  "18": [
    " 0    0 ",
    " 0 00 0 ",
    " 0 00 0 ",
    " 0 000  ",
    " 0 0 0  ",
    "  0000  ",
    "  0000  ",
    "  0000  "
  ],
  "32": [
    " 00000  ",
    " 00000  ",
    " 00000  ",
    "  0000  ",
    "  0  0  ",
    "  0  0  ",
    "  0  0  ",
    "  0  0  "
  ],
  "33": [
    " 00000  ",
    " 00000  ",
    " 00000  ",
    "  0000  ",
    "  0  0  ",
    "  0  0  ",
    " 0    0 ",
    " 0    0 "
  ],
  "34": [
    " 00000  ",
    " 00000  ",
    " 00000  ",
    "  0000  ",
    "  00 0  ",
    "   0 0  ",
    "  0  0  ",
    "     0  "
  ],
  "35": [
    " 00000  ",
    " 00000  ",
    " 00000  ",
    "  0000  ",
    "  0  0  ",
    "   0 0  ",
    "    0   ",
    "    0   "
  ],
  "36": [
    " 00000  ",
    " 00000  ",
    " 00000  ",
    "  0000  ",
    "  0   0 ",
    "  0   0 ",
    "  0  0  ",
    "  0     "
  ]
}