Dweets awesomed by u/neimad

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: #Opposites

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rodrigo.siqueira

remix of d/28792 by u/rodrigo.siqueira

function u(t) {

c.style='filter:sepia()invert()'
for(X=Y=t,i=6e4;i--;x.fillRect(X*15+230,Y*15+540,.1,t<1))Y=(i/Y&8)*6+(Y-X)/2+.8/Y,X+=Y

Nov 3 2023 12:18 AM UTC

}// 120/140

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When I look through my window #night

u/rodrigo.siqueira

Improved version with less bright problem around the black lines: c.style='filter:sepia()invert()';for(A=X=Y=t,i=7e4;i--;x.fillRect(1680-X*15,Y*15+540,.1,t<1))Y=(i/Y&8)*6+(Y-X)/2+.8/Y*S(Y*i),X+=Y
u/magna

It's a greenhouse at night!

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timothytomato

function u(t) {

c.width=1080
for(i=0;i<200;i++)
x.fillRect(10*i,300-(S(t+i)*100),20,10)

Nov 2 2023 11:16 PM UTC

}// 71/140

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Rotating Cylinder Optical Illusion

u/timothytomato

#illusion

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lewdev

function u(t) {

c.width=A=1e3
for(i=90;i--;){x.save()
x.translate((i%9+1)*99,(i/9*99+t*99)%A)
x.rotate(i+t*3)
x.restore(x.fillRect(-25,-25,50,50))}

Nov 2 2023 11:15 PM UTC

}// 131/140

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🟥 Individually Rotating Squares (it took way too long to understand how translate & rotate works)

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rodrigo.siqueira

remix of d/28793 by u/AArt1256

function u(t) {

for(X=Y=t,i=8e4;i--;Y=(i/Y&8)+(Y-X)*.999,X+=Y+.1/X)x.fillRect(X*16+900,Y*16+540,.1,t<2);c.style.filter='invert()sepia()'

Nov 1 2023 8:44 PM UTC

}// 120/140

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Tiling effect

u/Joachim

#shiny
u/magna

#texture

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magna

remix of d/28764 by u/magna

function u(t) {

eval(unescape(escape`景爨椽㐰〻椭ⴻ砮晩汬⡮敷⁐慴栲䐨❍〠㉌ㄮ㜠ㅌㄮ㜭ㅌ〭㉌ⴱ⸷ⴱ䰭ㄮ㜠ㅚ✩⤩堽椥㈵ⱙ㵩⼲㕼〬砮獥瑔牡湳景牭⡲㵓⡴⬨堦天⤪㈰ⰰⰰⱲⰨ堪㈫夥㈩⨴〬太㜱⤬砮晩汬却祬攽恨獬⠤筲⬴ぽ‹㤥㔰╠`.replace(/u([^D].)/g,'$1%')))

Oct 31 2023 5:22 AM UTC

}// 139/140

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u/cantelope

looks sweet

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New_Core

remix of d/28773 by u/rodrigo.siqueira

function u(t) {

for(c.width=n=m=700;n;x.font=Z+"em'")Z=4**S(t+n/9),x.fillText(" Some words weave loops."[n%24],n*7-t*65%4e3+30*S(t+n/5)*Z,35*C(n--/9)*Z+200)

Oct 30 2023 7:26 PM UTC

}// 140/140

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u/joeytwiddle

#text

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rodrigo.siqueira

remix of d/28768 by u/rodrigo.siqueira

function u(t) {

for(c.width=n=m=700;n;x.font="1.5em'")x.fillText(" Some words weave loops."[n%24],n*7-t*65%4e3+S(t+n/6)*86,S(n--/9-t/3)*m/5+200)

Oct 28 2023 4:34 PM UTC

}// 128/140

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"Some words weave loops." #poetry

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magna

remix of d/28768 by u/rodrigo.siqueira

function u(t) {

eval(U=unescape(escape`󩭯󬬨󥜫󟝸󦽦󟜧󩭩󫍬󤭥󨽴󙽝󚌰󛌰󛍮󟝭󟝣󛭷󪝤󭍨󟜳󝬰󛍭󚜻󫬻󮌮󩭩󫍬󥍥󮍴󚍕󦽮󧜬󫬪󝼭󭌪󝬰󙜲󩜳󚽓󚍴󚽮󛼶󚜪󞌶󚼹󞜬󮜫󞜹󚜬󮍛󩭝󚌰󛌹󞜭󤼨󭌫󫬯󫜩󚬹󞜬󫜬󛬱󚜬󮍛󩭝󚌨󭌫󫬩󚭮󙝭󛍮󛌱󛌱󚜩󮜽󤼨󫬭󛜯󞜫󭌩󚭭󛍸󛭦󪝬󫍓󭍹󫍥󟝒󚌨󮜯󟜵󚜪󞜬󫬬󫜩`.replace(/u../g,'')))

Oct 28 2023 4:35 AM UTC

}// 140/140

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shitty prng starfield edition

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rodrigo.siqueira

remix of d/28763 by u/neimad

function u(t) {

for(u+=x.fillRect(0,0,n=m=c.width=360,m);n;x.fillText(u[n],n*7-t*60%2e3+S(t+n/6)*86+99,y+99))y=S(n--/9+t)*m,x.fillStyle=`hsl(${y/=5} 99%50%`

Oct 27 2023 5:30 PM UTC

}// 140/140

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u/neimad , this code contains a few more tricks to make it shorter and fit in 140 chars.

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neimad

remix of d/28758 by u/neimad

function u(t) {

eval(unescape(escape`洽挮睩摴栽㌶《硛昽❦楬汓瑹汥❝㵱㵵⬧✊砮晩汬剥捴⠰ⰰⱭⱭ⤊景爨渽氽〻渼焮汥湧瑨㭮⬫⥻੹㵓⡴⭮⼵⤪洊硛晝㵠桳氨⑻礯㉽‹㤥㔰╠੸⹦楬汔數琨煛湝Ⱝ琪㜹┳㠰〫氫洫匨琩⨹㔬⡹⼽㔩⬹㤩੬⬽㥽`.replace(/u([^D].)/g,'$1%')))

Oct 26 2023 5:59 PM UTC

}// 140/140

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#sinus #scroller #color #variablespeed

u/neimad

Found a few more bytes to play with. I used to make all kinds of scrollers on the c64 in the 80's and 90's, so this is a lot of fun for me.
u/UEZ

cool

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