JS1k 2016 - 2512 - Details - A simply crazy JavaScript golfing competition

Author:

Rebecca

Twitter:

GitHub:

Facebook:

Google+:

Reddit:

/r/

Pouet:

Website:

github.com/veu/js1k-2016

Compo:

canvas

Demo link:

https://js1k.com/2016-elemental/demo/2512

Shortlink:

https://js1k.com/2512

Blog post:

please update here!

Bytes:

1024

Chars:

1024

Submission

for(_="Math.~*~sin(YYl)X*~cos(WWl)Vf.UUsT30Q(UPUc[OPz-h)Ne.LLe),LKonkeyJUZI||H=Px-r)G0,F6FE,z:D,h:B160A.fil@for($/2#(Lh#-5) &&+=12,s:--;+'%',E60~abs(*A/IPSHT)function(!!t[],x:=~sqrt(l)*return(],c@lRect(e,f){LhL~random()*c=[E10F0],L});	i*4,32F4);c@lStyle='hsla('+[Lx-Ux)+Lz-Uz)<n.some(f){n.push({c:[0+i1F5FEi*2C+fWe=7)DZ+fYe)B8Ey:)	$i=Q;i)1if(!s){$n=[l=256];r=h=l)$i=,EQCV+B1,y:M=3-1DZX+2,S:M*2+16	i1M-i#+108}))f=7,i%2H-81	n[Q].p=t=s=5+6,s%16HFFLw?-Q:10Lx+6,y:LyDLzB9Fv:Ep:s?y.5}:h<?Ls3:Ly3}4	s%Q0HT==84050<1Pp=t))	Lw=0},Jdown=Jup=t[LkeyCode-32]=Ltype[5]}}l(7]-5])#Fr(e=6]-8])X,heV,t[0]20FE-5Ys)r+VDh-X,e:l-.52B2Fp:x2YKz2WKy=5- * #,Up==tLs#+T#Ph-=Uw=9)	}	c.translate(9F(a.height0)#-0|0);UpUp(f5n=n@ter(Lh>01220-IGX+NV	n.sort(I-LZ0+5236-!UvI>AHI<8HeGV-NX)<A(O0],O1]I/6-O2]+46US?1:.8A+e-T#,0-Uy-#,T,))	s";G=/[^!%-?CMRSZ-}]/.exec(_);)with(_.split(G))_=join(shift(s=0));setInterval(_,33)

Description

Controls: arrows and space. Someone’s setting off fireworks in the forest. What happens next will… actually not surprise you at all. Use your infinite water supply to keep the forest from falling prey to a fire in an interactive homage to a game that wouldn’t quite fit in 1k. The fire is randomized; reload the demo to get a different outcome. Technically, you don’t have to move to enjoy the demo. If you’ve got some time just sit back and watch everything burn to the ground, you monster. Tested in Chrome and Firefox.

Base64 encoded

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Original source

// add trees
for (entities = [playerA = 256]; s = playerX = playerZ = playerA--;)
    for (
        // create trunk
        entities.push({
          c: [i = 12, 60, 30],
          x: X = Math.sqrt(playerA) * 12 * Math.cos(playerA) + Math.random() * 12,
          h: 1,
          y: Y = Math.random() * 3 - 1,
          z: Z = Math.sqrt(playerA) * 12 * Math.sin(playerA) + Math.random() * 12,
          s: 2,
          S: Y * 2 + 16
        });
        i--;
        // create leaf
        entities.push({
          c: [150, 60, i * 2],
          x: X + f * Math.cos(e = Math.random() * 7),
          z: Z + f * Math.sin(e),
          h: 860,
          y: Y - i / 2 + 10,
          s: 8
        })
    )
      // create fallen fruit
      f = Math.random() * 7,
      i % 2 || entities.push({
        c: [50, 60, i * 2],
        x: X + f * Math.cos(e = Math.random() * 7),
        z: Z + f * Math.sin(e),
        h: 860,
        y: -8,
        s: 1
      });

// burn a leaf (doubles as object for active keys)
entities[30].p = burn = function (e, f) {
  // update fire
  e.h--;
  e.c = [Math.random() * 60, 100, 0],
  e.s = Math.random() * 5 + 6,

  // create smoke / fireworks
  s % 16 || entities.push({
    c: [0, 0, e.w ? -30 : 10],
    x: e.x + Math.random() * 6,
    y: e.y,
    z: e.z,
    h: 90,
    v: 60,
    p:
      s ? function (e, f) {
        e.h--;
        e.y += .5
      } : function (e, f) {
        e.h--;
        e.c = [Math.random() * 60, 100, 0],
        e.h < 12 ? e.s += 3 : e.y += 3
      },
    s: 4
  });

  // spread fire
  entities.some(function (f) {
    return(s % 300 || f.s == 8 && Math.abs(e.x - f.x) + Math.abs(e.z - f.z) < 40 && Math.random() * 50 < 1 && (f.p = burn))
  });

  e.w = 0
},

onkeydown = onkeyup = function (e, f) {
  burn[e.keyCode - 32] = e.type[5]
},

setInterval(function (e, f) {
  // move player
  playerA += (!!burn[7] - !!burn[5]) / 20,
  playerX += (e = !!burn[6] - !!burn[8]) * Math.sin(playerA),
  playerZ += e * Math.cos(playerA),

  // discharge water
  burn[0] && entities.push({
    c: [200, 60, -5 * Math.sin(s)],
    x: playerX + 12 * Math.cos(playerA),
    z: playerZ - 12 * Math.sin(playerA),
    e: playerA - .5,
    s: 2,
    h: 20,
    p: function (e, f) {
      e.h--;
      e.x += 2 * Math.sin(e.e),
      e.z += 2 * Math.cos(e.e),
      e.y = 5 - (e.h / 2 - 5) * (e.h / 2 - 5) / 2,
      entities.some(function (f) {
        f.p == burn && Math.abs(e.x - f.x) + Math.abs(e.z - f.z) < e.s / 2 + f.s / 2 && (
          f.h -= f.w = 9
        )
      });
    }
  });

  // prepare canvas
  c.translate(90, (a.height += 0) / 2 - 120 | 0);

  // update entities
  entities.some(function (f) {
    f.p && f.p(f)
  });

  // draw sky
  for (i = 30; i--;)
    c.fillStyle = 'hsla(' + [160, 60 + '%', 50 + i + '%', 1],
    c.fillRect(0, i * 4, 320, 4);

  // remove entities no longer needed
  entities = entities.filter(function (e, f) {
    return(e.h > 0)
  });

  // draw background forest
  for (i = 30; i--;)
    c.fillStyle = 'hsla(' + [160, 60 + '%', 10 + i + '%', 1],
    c.fillRect(0, 220 - i * 4, 320, 4);

  // sort entities by distance from the screen
  entities.some(function (f) {
    f.Z = (f.x - playerX) * Math.sin(playerA) + (f.z - playerZ) * Math.cos(playerA)
  });
  entities.sort(function (e, f) {
    return(f.Z - e.Z)
  });

  // draw ground
  for (i = 30; i--;)
    c.fillStyle = 'hsla(' + [10 + 60, 60 + '%', 50 + i + '%', 1],
    c.fillRect(0, 236 - i * 4, 320, 4);

  // draw entities
  entities.some(function (f) {
    !f.v && f.Z > 160 || f.Z < 8 ||
    Math.abs(e = (f.x - playerX) * Math.cos(playerA) * 160 / f.Z - (f.z - playerZ) * Math.sin(playerA) * 160 / f.Z) < 160 && (
      c.fillStyle = 'hsla(' + [f.c[0], f.c[1] + '%', f.Z / 6 - f.c[2] + 46 + '%', f.S ? 1 : .8],
      c.fillRect(
        160 + e - f.s * 160 / f.Z / 2,
        120 - f.y * 160 / f.Z - (f.S || f.s) * 160 / f.Z / 2,
        f.s * 160 / f.Z,
        (f.S || f.s) * 160 / f.Z
      )
    )
  });

  s--;
}, 33)

JS1k: The JavaScript code golfing competition

2016 - Let's get eleMental!

Firewatch