JS1k 2018 - 3197 - Details - A volatile JavaScript golfing competition

Author:

Nathaniel

Twitter:

GitHub:

nk1tz

Facebook:

Google+:

Reddit:

/r/

Pouet:

Website:

Compo:

canvas

Demo link:

https://js1k.com/2018-coins/demo/3197

Shortlink:

https://js1k.com/3197

Blog post:

please update here!

Bytes:

1019

Chars:

1019

Submission

for(_='=>^()L=L^Kc.JJfillZwhichYonkeyXspeedW&&]x+let=thupdate00f[y+=e=.5t[]}, ${Jshadow10 Enter").splice(*lLh("#],	0,),Z"Rect(fff"Text(is.,255|0circst e=Ma,l.random,=[	s=x=y=r=1,f=[0	h^ZSty,oK({x:e.floor(1e3y:-156,W:(lL+.1)/5+s/1e5,:functionL{y=W,d01x,y,75,156)}}d^Blur,nK[37,27,2+5*l(-5,-5	p^{d(2Jfon"bold 30px Impact",e,432,4)},uK{if(r){for(d(0i=0;i<.ng;i++){t [i];JbeginPa(Jarc(0	1	2	2*e.PI,!1h(`rgba(${567]}, 0.9)`(0]+=3	1]+=4	2]-=.02,2]<2+.1(lL<.05?[i]=n(x,y):i,1))}p("GAME OVER -}else s+=1,ccc88!8t.push(oL39x<06?:37x>0(x-38y>?y-:40y<726(1cbx,y,74,54t.some(c^Jx<60J75>14J124>yJ78<54)(=[...Array(9)].map(nr=1);d(30t.forEach((c,e)^Jy>8?te,1):JLs/|5,30setInterval(u,50)};Xdown=(({Y:c})^13==cr?(r=s=[	x=37y=68void uL):c]=1Xup=(c^JY]=0a.heigh80a.wid=8Color="#0",p("Press;';G=/[-W-ZJ-L^]/.exec(_);)with(_.split(G))_=join(shift());eval(_)

Description

Flatland is under attack by the Rectangulons and you must dip, dive, dodge, and evade your way to the highest of scores lest you become crushed into a 1 dimensional line as your 2D mass explodes into colour.

Base64 encoded

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

Original source

let
  m = Math,
  r = m.random,
  enemies = circles = [],
  score = x = y = 0,
  canStart = 1,
  k = [0],
  s = 0.5,
  fS = o => c.fillStyle = o,
  Enemy = () => ({
    x: m.floor(r()*(1e3)),
    y:-156,
    speed: (r() + 0.1)/5 + score/1e5,
    update: function(){
      this.y = this.y + this.speed;
      fS('#d01');
      c.fillRect(this.x, this.y, 75, 156);
    }
  }),
  shadowBlur = blur => c.shadowBlur = blur,
  Circle = () => [
    x + 37,
    y + 27,
    2 + r()*5,
    -5 + r()*10,
    -5 + r()*10,
    r()*255|0,
    r()*255|0,
    r()*255|0,
  ],
  drawText = t => {
    shadowBlur(2);
    c.font = 'bold 30px Impact';
    fS('#fff');
    c.fillText(t, 432, 400);
  },
  start = () => {
    canStart = score = 0;
    enemies = [];
    x = 370;
    y = 680,
    gameLoop();
  },
  gameLoop = () => {
    if(!canStart) {
      score += 1;

      // set background
      fS('#ccc');
      c.fillRect(0, 0, 1080, 800);

      // fill enemies
      !enemies[8] ? enemies.push(Enemy()) : 0;

      // change the player's coords
      (k[39] && x < 1006) ? x+=s: (k[37] && x > 0) ? x-=s : 0;
      (k[38] && y > 10) ? y-=s : (k[40] && y < 726) ? y+=s : 0;
      fS('#1cb');
      c.fillRect(x, y, 74, 54);

      // detect collision
      if(enemies.some(e =>
        e.x < x + 60 &&
        e.x + 75 > x + 14 &&
        e.y + 124 > y &&
        e.y + 78 < y + 54
      )) {
        circles = [...Array(900)].map(Circle);
        canStart = 1;
      }
    } else {
      shadowBlur(0);
      for (i = 0; i < circles.length; i++){
        let q = circles[i];
        c.beginPath();
        c.arc(q[0], q[1], q[2], 0, m.PI*2, false);
        fS(`rgba(${q[5]}, ${q[6]}, ${q[7]}, 0.9)`);
        c.fill();
        q[0] += q[3];
        q[1] += q[4];
        q[2] -= .02;
        if(q[2] < 2 + r()*0.1) r() < 0.05 ? circles[i] = Circle(x,y) : circles.splice(i, 1);
      };
      drawText('GAME OVER - Enter');
    }
    shadowBlur(30);
    enemies.forEach((e, i) => e.y > 800 ? enemies.splice(i,1) : e.update());
    fS('#fff');
    c.fillText(score/10|0, 5, 30);
    setInterval(gameLoop,50)
  };

onkeydown = ({which:w}) => w == 13 && canStart ? start() : k[w]=1;
onkeyup = x => k[x.which]=0;
a.height = 800;
a.width= 1080;
c.shadowColor = "#000";

drawText('Press Enter');

JS1k: The JavaScript code golfing competition

2018 - The Volatile Coin Mine

Flatland Space Wars