SCRIPT-8

README.md

This is a SCRIPT-8 cassette.

chains.json

{}

code.js

// title: Tron't

const right = 0
const down = 1
const left = 2
const up = 3

init = (state) => {
Object.assign(state, {
  x: 15,
  y: 15,
  dir: right,
  speed: 0.5,
  trail: [],
  t: 0,
  sensor: false,
  agents: [
    {
      x: 128 - 15,
      y: 128 - 15,
      dir: left,
      speed: 0.5,
      trail: []
    },
    {
      x: 15,
      y: 128 - 15,
      dir: up,
      speed: 0.5,
      trail: []
    },
    {
      x: 128 -15,
      y: 15,
      dir: down,
      speed: 0.5,
      trail: []
    }
  ]
})
}

update = (state, input) => {
  if (input.start) {
    state.x = state.y = 15
    state.t = state.dir = 0
    state.speed = 0.5
    state.trail = []
    state.agents = [
      {
        x: 128 - 15,
        y: 128 - 15,
        dir: left,
        speed: 0.5,
        trail: []
      },
      {
        x: 15,
        y: 128 - 15,
        dir: up,
        speed: 0.5,
        trail: []
      },
      {
        x: 128 -15,
        y: 15,
        dir: down,
        speed: 0.5,
        trail: []
      }
    ]
    clear()
    startAgents(state)
  }

  state.t += 1
  if (state.speed > 0) state.trail.push([state.x, state.y])
  if (state.trail.length > 16) state.trail.shift()

  if (state.dir == right) {
    state.x += state.speed
    state.sensor = getPixel(state.x + 1, state.y)
  }
  if (state.dir == left) {
    state.x -= state.speed
    state.sensor = getPixel(state.x - 1, state.y)
  }
  if (state.dir == up) {
    state.y -= state.speed
    state.sensor = getPixel(state.x, state.y - 1)
  }
  if (state.dir == down) {
    state.y += state.speed
    state.sensor = getPixel(state.x, state.y + 1)
  }
  if (state.sensor != 7) {
    state.speed = 0
    stopAgents(state)
  }

  if (input.rightPressed) state.dir = (state.dir + 1) % 4
  if (input.leftPressed) state.dir = (state.dir + 3) % 4

  updateAgents(state)
}

draw = state => {
  if (state.t == 1) {
    clear()
  }
  rectStroke(0, 0, 128, 128)
  setPixel(state.x, state.y)
  for (let step of state.trail) {
    setPixel(step[0], step[1])
  }
  if (state.trail.length > 0) {
    let last = state.trail[0]
    setPixel(last[0], last[1], 3)
  }
  drawAgents(state)
  //rectFill(1,1,12,12,7)
  //print(2,2,state.sensor)
  if (state.speed == 0) {
    sprite(43,50,0)
    sprite(50,50,1)
    sprite(57,50,2)
    sprite(64,50,3)
    sprite(73,50,4)
    rectFill(43,78, 46, 9, 1)
    print(45, 80, 'Press Start', state.t * 7)
  }
}

function updateAgents(state) {
  for (let agent of state.agents) {
    let sensor = 7
    if (agent.dir == left) sensor = getPixel(agent.x - 1, agent.y)
    if (agent.dir == right) sensor = getPixel(agent.x + 1, agent.y)
    if (agent.dir == up) sensor = getPixel(agent.x, agent.y - 1)
    if (agent.dir == down) sensor = getPixel(agent.x, agent.y + 1)

    if (agent.speed > 0) agent.trail.push([agent.x, agent.y])
    if (agent.trail.length > 16) agent.trail.shift()
    
    if (sensor != 7) {
      agent.speed = 0
    } else {
      let dice = random(0, 180)
      if (dice == 1) agent.dir = (agent.dir + 1) % 4
      if (dice == 2) agent.dir = (agent.dir + 3) % 4
    }
    
    let sensor2 = 7
    if (agent.dir == left) sensor2 = getPixel(agent.x - 2, agent.y)
    if (agent.dir == right) sensor2 = getPixel(agent.x + 2, agent.y)
    if (agent.dir == up) sensor2 = getPixel(agent.x, agent.y - 2)
    if (agent.dir == down) sensor2 = getPixel(agent.x, agent.y + 2)
    if (sensor2 != 7) {
      let dice = random(0, 2)
      if (dice == 0) agent.dir = (agent.dir + 1) % 4
      if (dice == 1) agent.dir = (agent.dir + 3) % 4
    }
    
    if (agent.dir == left) agent.x -= agent.speed
    if (agent.dir == right) agent.x += agent.speed
    if (agent.dir == up) agent.y -= agent.speed
    if (agent.dir == down) agent.y += agent.speed
  }
}

function drawAgents(state) {
  for (let agent of state.agents) {
    setPixel(agent.x, agent.y, 2)
    for (let step of agent.trail) {
      setPixel(step[0], step[1], 2)
    }
    if (agent.trail.length > 0) {
      let last = agent.trail[0]
      setPixel(last[0], last[1], 4)
    }
  }
}

function stopAgents(state) {
  for (let agent of state.agents) {
    agent.speed = 0
  }
}
function startAgents(state) {
  for (let agent of state.agents) {
    agent.speed = 0.5
  }
}

map.json

[]

misc.json

{
  "iframeVersion": "0.1.280",
  "lines": [
    133,
    61,
    0,
    0,
    0,
    0,
    0,
    0
  ]
}

phrases.json

{}

songs.json

{}

sprites.json

{
  "0": [
    "        ",
    " 000000 ",
    "  00    ",
    "  00    ",
    "  00    ",
    "  00    ",
    "  00    ",
    "        "
  ],
  "1": [
    "    0   ",
    " 00000  ",
    " 00  00 ",
    " 00  00 ",
    " 00000  ",
    " 00 00  ",
    " 00  00 ",
    "      0 "
  ],
  "2": [
    "   000  ",
    " 000 00 ",
    " 00   0 ",
    " 00   0 ",
    " 00   0 ",
    " 000 00 ",
    "   0000 ",
    "        "
  ],
  "3": [
    " 00   00",
    " 00   0 ",
    " 000  0 ",
    " 0000 0 ",
    " 00 0 0 ",
    " 00  00 ",
    " 00  00 ",
    " 00   00"
  ],
  "4": [
    " 0 00000",
    "00 00000",
    "0    00 ",
    "     00 ",
    "     00 ",
    "     00 ",
    "     00 ",
    "     00 "
  ]
}