Dweets awesomed by u/baon

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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rodrigo.siqueira

remix of d/6152 by u/zanella

function u(t) {

m=n=0;for(i=1e4;i--;){s=6*T(i*3+t);o=s*Math.PI/4;r=550;m=m/2+r*C(o)*1.2;n=n/1.3+r*S(o)/2;x.fillRect(m+920,n+540,.3,t<3)}

Jan 30 2023 11:39 PM UTC

}// 120/140

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Trigonometric doodles

u/DaSpider

My kind of chaos
u/Joachim

Nice!
u/samidoodlesz

Brilliant!

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joeytwiddle

remix of d/26971 by u/joeytwiddle

function u(t) {

x.fillRect(0,0,2e3,1080)
for(j=9;j--;)for(i=99;i--;)W=50-i/2,x.clearRect(550+j*99+S(t)*300+i/4*S((5+j)*i*i-t*3)-W/2,i?610+2*i:400,W,i?1:200)

Jan 29 2023 1:44 PM UTC

}// 140/140

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#default reflected in rippling #water (night, redux)

u/joeytwiddle

This is more efficient than fillRect() but it's too long! c.width|=c.style.filter='invert(100%)' (This way, we also need to change clearRect into fillRect)
u/magna

c.style.filter='invert(' suffices since browsers are notoriously forgiving

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magna

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪌽󞜶󜌊󮌮󫝯󭭥󥍯󚍘󟜶󝜰󛍙󟜸󝜩󒭧󟜨󫼬󨬩󟜾󫼿󦼮󛬮󨬿󘬳󜌱󜬲󜜱󜬱󜌳󜼰󜼲󘬺󘬰󜜲󜜱󜬳󜌳󜼰󜌳󜬱󘭝󛭭󨝰󚍣󟜾󚍣󚬽󜜩󙬱󟽔󚼽󨼭󜬺󩼨󫼭󜜬󨼦󜬩󚜺󮌮󫍩󫭥󥍯󚍘󚼽󞜪󠼨󨜽󥌪󜜮󜌴󝼩󛍙󚼽󞜪󤼨󨜩󚜊󩼨󥌽󝌩󒭸󛭳󭍲󫽫󩜨󚜻`.replace(/u../g,'')))

Jan 25 2023 5:40 AM UTC

}// 132/140

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Gosper curve

Show more comments…
u/Xen

love it!
u/cantelope

awesome
u/danny@hille.dk

Epic!
u/danny@hille.dk

c=>(c*=1) = c=>c
u/cantelope

impressive. this is a tricky curve. you did well
u/cantelope

http://jsbot.whitehot.ninja/uploads/jUSvc.jpg
u/magna

Thanks folks! This was the first time I first implemented a working regular JS version and iteratively golfed it down. I usually shoot myself in the foot by starting off golfed.

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rodrigo.siqueira

remix of d/26838 by u/rodrigo.siqueira

function u(t) {

x.fillRect(x.globalAlpha=.05,0,2e3,2e3)
for(i=2e3;i--;)for(j=6;j--;)x.clearRect(i*S(K=i*i*j-t/5)+940,i*C(K-C(t+i/199)/2)/2+540,v=j*S(t+j),v)

Jan 21 2023 4:06 AM UTC

}// 140/140

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Wave field

u/Xen

love it!
u/magna

YES!
u/aleamb

beautiful

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Odog8

function u(t) {

c.width+=0
for(i=0;i<200;i++){
for(j=0;j<200;j++){
x.fillRect(i*10,j*10,10*(2>(i/10+S(i/2+t*9)/5-t)**2+(j/10+C(j/2+t*9)/9-t)**2),10)
}
}

Jan 18 2023 4:08 PM UTC

}// 137/140

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Amoeba crawl doodle

u/Odog8

i was trying to make somehting else but this is cool too

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KilledByAPixel

remix of d/26824 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟝳󟜮󜼸󒭘󟜲󜬮󝜊󭽩󭍨󚍸󚝦󫽲󚍳󨽡󫍥󚍪󟝮󟜵󜌬󫬩󞽪󛜭󞽳󚬽󛝮󛼨󫬽󝬭󨬩󛍘󛜽󬬪󜬩󩭯󬬨󨬽󪬥󜬪󜬭󜜬󩭩󫍬󚍲󩝣󭌨󞜫󪬪󜬫󤼨󭌩󚬶󛌹󛌱󛌴󚜩󛍢󩝧󪝮󤍡󭍨󚍩󟝮󚬴󚜻󪜭󛜻󨝲󨼨󬬭󦌬󜜴󛬸󛍲󛜨󪜦󜬩󛼲󚼮󝜬󨜽󪜯󫬪󨬪󜜮󝜷󚽳󚭓󚍴󚜬󨜩󚝲󟝮󛼴`.replace(/u../g,'')))

Jan 17 2023 3:39 AM UTC

}// 140/140

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Default Gears ⚙️

Show more comments…
u/taupelink

Wow!
u/neimad

unbelievable
u/magna

#default
u/cantelope

#unbelievable
u/tomxor

🤯
u/bandaloo

oh my god dude
u/joeytwiddle

Ah, that must be what's happening behind the scenes
u/Qwitter

Nice
u/KilledByAPixel

#gears

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magna

remix of d/26781 by u/UEZ

function u(t) {

for(A=Math.abs,j=t*60,i=1920;i--;A(A(X*X+Y*Y-1)-A(C(a*X)+S(a*Y)))>.5&&x.fillRect(i,j,1,1))X=(48-i%96)/24,Y=(48-j%96)/24,a=i/96+j/96-t

Jan 15 2023 11:28 PM UTC

}// 133/140

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u/tomxor

Feels like one of these is very close to the raspberry pi logo.

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hoplite

remix of d/26761 by u/danny@hille.dk

function u(t) {

for(j=c.width=w=160;j--;)for(i=w;i--;x.fillRect(i,j,u=(C(X/d+C(t)*9)*S(Y/d-t*9))**.1,u))r=(X=i/w*5-2.5)*X+(Y=j/w*5-1.4)*Y,d=r>1?r/39:C(r)/7

Jan 7 2023 8:01 PM UTC

}// 139/140

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u/joeytwiddle

Great! #sphere #warping #checkerboard
u/pavel

Wow thats cool

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Pascal

function u(t) {

c.width|=0;a=n=>6.3*S(n*1.3%1.6)**5+t*4;x.lineWidth=25;x.arc(960,540,70,a(t),a(t+4)+.2);c.style.filter='invert(.7';x.stroke()

Jan 2 2023 12:26 AM UTC

}// 125/140

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#smooth #loading #spinner

u/robbyg

I waited WAY too long for this one to "load".
u/cantelope

😂
u/joeytwiddle

same lol

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁷🐲𩐳𛁷𚐬𪐽𞀱𞱩𛐭𞰩𩡯𬠨𪠽𞐻𪠭𛐻𮀮𨱬𩑡𬡒𩑣𭀨𞐶𜀫𤰨𭀪𜠫𪠯𝠩𚠲𛱚𚠨𪀽𝐴𜀩𛁨𚱙𛱚𚡨𛁳🐹𞐯𦠯𦠬𬰩𚑙👓𚁰👍𨑴𪀮𨑴𨑮𜠨𦐽𪐥𞐯𝀭𜐬𦠽𚁩𛰹𯀰𚐯𝀭𜐩𚱓𚁴𚱪𛰳𜀩𚠴𚐪𚁤👍𨑴𪀮𪁹𬁯𭀨𦐬𦠩𚐬𦠽𠰨𬀩𚡤𛐳`.replace(/u../g,'')))

Dec 28 2022 9:33 PM UTC

}// 140/140

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u/vain

F*cking cool rubber/morphing cube. Never saw this kind of fx before. Fantastic!
u/cantelope

😂
u/NiekD

where do you get the inspiration for cool effects from
u/cantelope

dweets are sometimes harder to be ultra specific with a goal, due to the obvious constraints, but a big piece of my whole graphics repertoire is 3D math, sooo myself? haha not sure
u/tomxor

So true. More often it's just the gradual emergence of "what if"... then after a while it may or may not fit, or by the time you've played with it long enough something else tangentially related emerges. It's all part of the fun.
u/rep_movsd

Sometimes what you end up with is nothing like what you planned

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