SCRIPT-8

README.md

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

chains.json

{}

code.js

// title: input pattern

const sprites = {
  idle: [...range(40).map(d => 0), 7],
  walk: [1, 2, 3, 3, 4, 5, 6, 6],
  prejump: [8],
  jump: [9],
  fall: [10]
}

initialState = {
  counter: 0,
  actors: [
    {
      name: 'mario',
      x: 64,
      y: 104,
      dx: 0,
      dy: 0,
      counter: 0,
      flip: false,
      mode: 'idle'
    }
  ]
}

const moveMario = ({ mario, input, state }) => {

  let nextMode = mario.mode

  // Handle inputs.
  if (input.left) {
    // TODO: check if we can move left or right, e.g. walls
    mario.dx = clamp(mario.dx - 0.5, -2, 2)
    mario.flip = true
  } else if (input.right) {
    mario.dx = clamp(mario.dx + 0.5, -2, 2)
    mario.flip = false
  } else {
    mario.dx = Math.sign(mario.dx) * Math.max(Math.abs(mario.dx) - 0.25, 0)
  }

  // If we're on the floor,
  if (mario.y === 104) {
    // set his y-velocity to 0.
//     mario.dy = 0
    // If we're trying to jump,
    if (input.a) {
      // set jump velocity.
      mario.dy = -4
      // And lift off a tiny bit.
      mario.y -= 0.1
    }
  } else {
    // If we're not on the floor,
    // make him fall.
    mario.dy += 0.25
  }
  
  // Handle next mode.
  if (mario.y !== 104) {
    // If we're in the air, we're either prejumping,
    if (mario.dy === -4) {
      nextMode = 'prejump'
    } else if (mario.dy > -4 && mario.dy < 0) {
      // jumping,
      nextMode = 'jump'
    } else {
      nextMode = 'fall'
    }
  } else {
    // If we're on the floor, we're either crouchjumping,
    // walking,
    if (mario.dx !== 0) {
      nextMode = 'walk'
      if (state.counter % 3 === 0) {
        mario.counter++
      }
    } else {
      // or idling.
      nextMode = 'idle'
      if (state.counter % 4 === 0) {
        mario.counter++
      }
    }
  }
  
  if (nextMode !== mario.mode) {
    mario.counter = 0
  }

  mario.mode = nextMode
  mario.x += mario.dx
  
  if (mario.mode !== 'prejump') {
    mario.y += mario.dy
  }
  
}

update = (state, input, elapsed) => {
  state.counter++
  const mario = state.actors.find(d => d.name === 'mario')
  moveMario({ mario, input, state })
}

const drawActor = (actor, fade) => {
  if (actor.name === 'mario') {
    print(0, 0, actor.mode, 0)
    const cycle = sprites[actor.mode]
    sprite(
      actor.x,
      actor.y,
      cycle[actor.counter % cycle.length],
      fade ? -4 : 0,
      actor.flip
    )
  }
}

drawActors = (state, fade) => {
  state.actors.forEach(actor => drawActor(actor, fade))
}

draw = state => {
  clear()
  drawActors(state)
  range(16).forEach(i => {
    sprite(i * 8, 112, 33)
    sprite(i * 8, 120, 32)
  })
}

phrases.json

{}

songs.json

{}

sprites.json

{
  "0": [
    "   2220 ",
    "   22222",
    "  20270 ",
    "  200220",
    "   2000 ",
    " 221331 ",
    "0 333351",
    "  2   3 "
  ],
  "1": [
    "   2220 ",
    "   22222",
    "  20270 ",
    "  200220",
    "   2000 ",
    "  22135 ",
    "  20335 ",
    "   223  "
  ],
  "2": [
    "   2222 ",
    "   22222",
    "  22027 ",
    "  220022",
    "   2200 ",
    "  32215 ",
    "  33220 ",
    "  2  3  "
  ],
  "3": [
    "   2222 ",
    "   22222",
    "  22027 ",
    "  220022",
    "   2200 ",
    "  322150",
    " 233322 ",
    "      3 "
  ],
  "4": [
    "   2220 ",
    "   22222",
    "  20270 ",
    "  200220",
    "   2000 ",
    "  22135 ",
    "  20335 ",
    "   223  "
  ],
  "5": [
    "   2202 ",
    "   22222",
    "  02707 ",
    "  002202",
    "   0000 ",
    " 221331 ",
    "0 333351",
    "  3  2  "
  ],
  "6": [
    "   2202 ",
    "   22222",
    "  02707 ",
    "  002202",
    " 220000 ",
    "0 213310",
    " 333335 ",
    "      2 "
  ],
  "7": [
    "   2220 ",
    "   22222",
    "  20200 ",
    "  200220",
    "   2000 ",
    " 221331 ",
    "0 333351",
    "  2   3 "
  ],
  "8": [
    "        ",
    "   2220 ",
    "   22222",
    "  20270 ",
    "  200220",
    " 222000 ",
    "0 333351",
    "  2   3 "
  ],
  "9": [
    "  2220  ",
    "  222221",
    " 2027072",
    " 2002202",
    " 220001 ",
    "0 21335 ",
    "  33353 ",
    "  2     "
  ],
  "10": [
    "    20  ",
    "  222221",
    "  2222 2",
    " 20270 2",
    " 200220 ",
    "0220001 ",
    "  213353",
    " 23335  "
  ],
  "32": [
    "00112112",
    "02225223",
    "12225225",
    "12223225",
    "13552112",
    "01121223",
    "12231225",
    "25532555"
  ],
  "33": [
    "11111114",
    "14444445",
    "14445445",
    "14545445",
    "54555455",
    "55522553",
    "15231525",
    "25532555"
  ]
}