JS1k 2019 - 4147 - Details - A classic JavaScript golfing competition

Author:

Alexander Curtis

Twitter:

GitHub:

alexandercurtis

Facebook:

Google+:

Reddit:

/r/

Pouet:

Website:

alexandercurtis.net

Compo:

canvas

Demo link:

https://js1k.com/2019-x/demo/4147

Shortlink:

https://js1k.com/4147

Blog post:

please update here!

Bytes:

1022

Chars:

1022

Submission

for(_="++Q+fPl&O)?8:N16&&O15&h(iPQ%2,oP%2)(p>.8*N(7-onkey31)**2-F=0==),at96,x=2,:r>8k[e]64/8P--%2512||ImageDa(	c.fillText(/8|0;image-rendering:255;if(h(+x,y)&(f,g)=>,I[qQ]=C[fQ]*p|m(h(x,y)&15!!k[C=[y=n=E=,L=1,A=,,,,V=,,0];T=a.style.cssText+=';height:px;width:pxpixeled-moz-crisp-edges';k=new 	,);M=;I=k.da;down=up=k[f.which-]=f.type[5];setInterval(A>0requestAnimionFrame(d={A=y?A-1:;D=Mh.sin(LP**1.5)*+T.charCodeAt(f%0)&;for(T+=d,q=0,h=f<8f>g>?:g<1?1:(r=D(e=*gP)?20+L*8?24?8?:4;q<384;t=q/32,s=q/4&63,u=s+x-28,v=t+y-28,l=h(i=u,o=vu%=8,v%=8,m=O4(u-4+(v-4<4/(40-v)t2s<A/4?:t+3(s+(t-1>456/tt+F(s-E1q9084?V:A,p=1-(O7?y/:D(u+8*v+)//4f=-2,f=vNuv)u)NO1?5:O?(L*6+8)%11:O8?6:0|);c.put	k,0,0);V?'LEVEL'+L,,36):n,1,12);y!M(V=,LQM=,)4)=Qn,M--M,A=8)=A-=;V|x%8|y%8(,f=1,E=8])-6]))(f=2,F=9])-7]!!y)x+=E+E;y+=F+F;V=VV-8;})";G=/[-N-Q]/.exec(_);)with(_.split(G))_=join(shift());eval(_)

Description

Bring as many eggs as you can to the surface, and don't run out of air! Use arrow keys to move. Eggs replenish your air and digging through sand depletes it. Bring sixteen eggs to the surface to complete the progressively harder levels. How low can you go? How high can you score?

Base64 encoded

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

Original source

// const AIR=1;
// const WATER=2;
// const EGG=4;
// const EARTH=8;
// const ROCK=16;

// colour palette
P=[
    y=n=X=Y=0,
    L=1,
    N=255,
    96,
    96,
    96,
    V=512,
    255,
    0,
    x=216,
    31
];

T=a.style.cssText  = ';height:512px;width:512px;image-rendering:pixelated;image-rendering:-moz-crisp-edges';
k=new ImageData(64, 64);
M=16;
I=k.data;

onkeydown=onkeyup=(f,g)=>k[f.which-31]=f.type[5];

setInterval((f,g)=>N>0&&requestAnimationFrame(Z=(f,g)=>{

// decrease air, replenish at surface
    N=y?N-1:255;

// Pseudo random noise function
    R=(f,g)=>Math.sin(L f**1.5)*255 T.charCodeAt(f%960)&255;

// Draw each pixel
    for (T =Z, q = 0,

// Map generator
        h=(f,g)=>f<8||f>64||g>64?16:g<1?1:(r=R(e=96*g f),k[e])?2:
            r>80 L*8?2
            :r>84?8
            :r>8?16
            :4;

//16384 = 64 * 64 * 4; // view width x view height x colour planes
        q < 16384;

        t = q / 32 / 8|0,
        s = q / 4 & 63,
        u = s   x-28,
        v = t   y-28,

// current tile type
        l = h(i=u/8|0, j=v/8|0) ,

        u %= 8,
        v %= 8,

        m =

// egg
            l&4 && (u - 4)**2 (v-4)**2<464/(40-v)

// air bar
            || t==2&&s<N/4 ? 255 :

// player
            t==31 3 ||
            (s - 31)**2 (t-1 - 31)**2>456/t

// eyes
            || t==31 Y && (s -X - 31)**2==1

// legs
            || q==9084

// level fade-in
            ?V

// fade player according to air
            :N,

// speckle on tiles
            p = 1-(l&7?y/512:R(u   8*v 64)/255/4),

// Decoration - seaweed around rocks
            f=-2,f=l & 16 && 15 & h(i f  %2, j f%2) && (p > .8 * v    ) ? 8:
                   l & 16 && 15 & h(i f  %2, j f%2) && (p > .8 * u    ) ? 8:
                   l & 16 && 15 & h(i f  %2, j f%2) && (p > .8 * (7-v)) ? 8:
                   l & 16 && 15 & h(i f  %2, j f%2) && (p > .8 * (7-u)) ? 8:

// select palette colour index
            l&1?5:l & 16 ? (L*6 8)%11 : l & 8 ? 6 : 0,

// plot pixel
            I[q  ] = P[f  ] * p | m,
            I[q  ] = P[f  ] * p | m,
            I[q  ] = P[f  ] * p | m,
            I[q  ] = P[f  ] * p | m | 255
    );

// draw image
    c.putImageData(k, 0, 0);

// show level number
    V?
        c.fillText('LEVEL ' L,16,36):

// show score
        c.fillText(n,1,12);

// go to next level
    y||!M&&(V=512,L  ,x=216,M=16,Y=0);

// collect eggs
    if (h( x/ 8|0, y / 8|0) & 4) k[e] =   n,M&&--M,N=255;

// dig earth
    if (h( x/ 8|0, y / 8|0) & 8) k[e] = N-=64;

// movement inc check for walls
    V | x % 8 | y % 8 ||
    (Y=0,f=1,X=        (h(x/8 f--%2,y/8 f--%2)&15 && !!k[8])
             -         (h(x/8 f--%2,y/8 f--%2)&15 && !!k[6] ))
    ||  (f=2,Y=        (h(x/8 f--%2,y/8 f--%2)&15 && !!k[9])
             -         (h(x/8 f--%2,y/8 f--%2)&15 && !!k[7] && !!y )),
    x  = X X;
    y  = Y Y;

// fade
    V=V&&V-8;

// smooth animation
}),31)

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