Dweets awesomed by u/yodacoder

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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Current theme challenge: #ScaryMovies

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taupelink

remix of d/28272 by u/taupelink

function u(t) {

eval(unescape(escape`瀽䵡瑨⹐䤻景爨椽㈵〻椭ⴻ砮晩汬剥捴⡘⨶㘰⵷ⱙ⨳㐰⵷ⱷ⨲ⱷ⨴⩴⤩堽椥瀬夽堪椥瀬砮晩汬却祬攽恨獬⠤筨㴷㔰⬱㔪匨㌪夫匨㈪堫匨椥㌪天⤩紬⑻㠰ⴱ㔯吨栯㴳〩紥Ⱔ笶㔭株䌨栩紥Ⱔ笲⽨紩怬眽椯琪⩴`.replace(/u([^D].)/g,'$1%')))

Aug 26 2023 6:23 PM UTC

}// 140/140

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d/28353

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cantelope

function u(t) {

eval(unescape(escape`𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁷🐲𩐳𛁷𛁐👴🱐𛡦𪑬𭁥𬠨𭠽🡶𦰰𧐩𞡛𦱨🐱𩐳𛀰𛀰𛀰𧑝𚐻𤀮𫑡𬀨𭠽🡻𮀮𨱬𩑡𬡒𩑣𭀨𦀽𭡛𜁝𚰽𭡛𜡝𛁙👶𦰱𧐫👭👶𦰳𧐫𚰬𫐬𫐩𞱩𩠨𦐾𪁼𯁘🡷𯁼𦀼𜀩𩡯𬠨𞱶𦰰𧐽𤀮𫁥𫡧𭁨🁷𞰩𤀮𬁵𬱨𚁛𦀬𦐬𤰨𫐭👴𙐮𜀳𚐪𫐬𠰨𫐩𚡭𧐩𯐩`.replace(/u../g,'')))

Aug 24 2023 9:29 PM UTC

}// 140/140

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strange discovery

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rodrigo.siqueira

remix of d/28259 by u/rodrigo.siqueira

function u(t) {

c.width|=0
for(i=2e4;i--;x.fillRect(960+C(K=S(i)*i+t/5+a)*999*a+a*S(t)*299,540+S(K)*490*(a),Z=9+30*a*S(t+i/300),Z))a=(i/9999+t/9)**2%2-2

Aug 20 2023 10:34 PM UTC

}// 136/140

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Debris vortex

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KilledByAPixel

remix of d/28307 by u/KilledByAPixel

function u(t) {

for(k=0;k<1e4;x.fillRect(960-C(j=k>>3)/(r=(k?(k/99+t)%4:1)/1e3),540-C(j*j)/r,r=k++?.005/r:1e4,r))x.fillStyle=`hsl(${k%8*35} 99%${k&&50}%`

Aug 18 2023 2:13 PM UTC

}// 137/140

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Chromatic Starfield 🌈⭐

Show more comments…
u/aleamb

yeeeeaaaahhh
u/Joachim

PERFECT
u/cantelope

niiiiice
u/tomxor

Where are the blue credits!? Immediate TNG flashback
u/magna

Aberrant!
u/KilledByAPixel

true i was inspired by star trek for this one!

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KilledByAPixel

remix of d/11335 by u/keithclark

function u(t) {

for(j=5e3;r=j--/(9-++t%9);x.fillRect(j,0,.2,2e3))x.clearRect(C(j)*r+960,S(j*j)*r+540,r>>=8,r)

Aug 18 2023 2:10 PM UTC

}// 93/140

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Tiny Starfield 🌠

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Tekmap

remix of d/20182 by u/danny@hille.dk

function u(t) {

with(x)for(fillRect(0,0,w=2e3,i=w);i--;strokeRect(960/i,540-i,j=i*2,j))setLineDash([i]),strokeStyle=R(p=lineDashOffset=w+i-S(i/99-t)*i,p)

Aug 11 2023 11:11 PM UTC

}// 137/140

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u/joeytwiddle

Wow!

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rodrigo.siqueira

remix of d/28273 by u/rodrigo.siqueira

function u(t) {

f=n=>3*(n+~n+.5)**2
for(c.width%=X=2e3;X--;)for(Y=9,k=2;k<10;k++,Y-=f(-f(1.7**k*X/2e3/k+t/3))/1.3**k)x.fillRect(X,Y*99+X*S(t)/4,C(k)/2,3e3)

Aug 11 2023 11:05 PM UTC

}// 139/140

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Sailing in rough sea (for those who do not suffer from seasickness) #sea #water

u/cantelope

awesome progression and artistic purposing of this function :)
u/joeytwiddle

What's going on here? How can you use bitwise not (~) on a floating point number?
u/joeytwiddle

Oh, it looks like ~ makes the number negative, and then rounds it down
u/joeytwiddle

So with n+~n+.5 you get a sawtooth in the range -.5 to +.5, based on the fractional part of n

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rodrigo.siqueira

remix of d/26806 by u/rodrigo.siqueira

function u(t) {

for(c.width|=i=0;i<1500;i++)for(j=0;j<9;j++)x.fillRect(i*Math.sin(i/j/1.1+t/9)+940,i*Math.cos(i/j+t/25)+540,j,j)

Jan 26 2023 1:12 AM UTC

}// 112/140

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3D moving spiral particles #spiral

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Ohead

remix of d/26925 by u/Ohead

function u(t) {

for(i=0;i<500;i++){y=(t*i)**5%1;z=(t*i)**6%1;x.fillStyle=`hsl(${z*6}rad,100%,${y*99}%`
x.fillRect(z*2e3-1e2,y*1200-1e2,100/(t/5),100/(t/5))}

Jan 25 2023 5:47 PM UTC

}// 140/140

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Color palette

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danny@hille.dk

remix of d/26927 by u/magna

function u(t) {

c.width=960
x.moveTo(X=490,Y=285)
g=o=>o?[..."012112303300321"].map(c=>c&1?T+=c-2:g(o-1)):x.lineTo(X+=C(a=T*t-t),Y+=S(a));g(T=5);x.stroke()

Jan 25 2023 4:18 PM UTC

}// 139/140

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golf and play

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