Random dweets | Dwitter

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: #Food

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JWinslow23

remix of d/11668 by u/Agnes

function u(t) {

with(x)A=a=>Math.random()*40|0,B=A()/8,setTransform(C=~B&1,!C,!C,C,A()*48,A()*27),clearRect(-24,D=-13.5,48,27),B&&fillRect(-20,D,40,27)

Jan 7 2019 3:49 PM UTC

}// 135/140

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Alien robot factory (golfed more than enough!)

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taupelink

remix of d/26268 by u/taupelink

function u(t) {

eval(unescape(escape`景爨洽琿〺㍥㐻洭ⴻ砮晩汬⠩⥸⹢敧楮偡瑨⡸⹦楬汓瑹汥㵒⡪㵭⨪⡍慴栮牡湤潭⠩⨮㘩Ⱪ㵭┲〰Ɑ⽪ⰹ㤯樯椪⨮㔩⤬砮慲挨津ㄲ⨱㠰⬨漽楞権⩃⡭⤬椥㠪ㄸ〫漪匨洩Ⱪ⩪⼹㤪匨椥㐪洫洩⨪㠬洬洫ㄫ津㌪㌩`.replace(/u([^D].)/g,'$1%')))

Oct 12 2022 3:56 PM UTC

}// 140/140

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d/26290

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anthonylewis

function u(t) {

r=t**2;x.beginPath();x.arc(960+C(t)*r,540+S(t)*r,r,0,2*Math.PI);x.stroke();

Apr 3 2018 3:11 PM UTC

}// 76/140

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My first post, just a silly spiral

u/BuRRak

Cool
u/zanella

Nothing silly about it. :) And welcome! Have fun!!

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tzador

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼🐰𒡦𫱲𚁩🐰𞱩🀸𞱩𚰽𜑥𛐳𚑻𒡯🐴𜀰𚰲𜀪𤰨𪐪𜐸𚱴𚐊𬀽𜠰𜀫𜠰𚡃𚁩𚠹𛑴𛐵𚐊𮀮𫑯𭡥𥁯𚀶𜀰𛀵𝀰𚐊𮀮𫁩𫡥𥁯𚀶𜀰𚱃𚁩𚐪𫰬𝐴𜀫𤰨𪐩𚡯𚐬𒡸𛡭𫱶𩑔𫰨𜐲𜀸𛀵𝀰𚐊𮀮𫁩𫡥𥁯𚀱𜠰𞀫𠰨𪐩𚡰𛀵𝀰𚱓𚁩𚐪𬀩𒡽𒡸𛡳𭁲𫱫𩐨)`.replace(/uD./g,"")))

Feb 3 2025 2:05 PM UTC

}// 137/140

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u/KilledByAPixel

#gears

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erin

remix of d/21083 by u/erin

function u(t) {

c.style.filter="blur(10px)brightness(.85)contrast(90)"
x.globalAlpha=0.1
for(i=0;i<c.width/50;i++)
x.fillRect(i*50,540+T(t+i/5)*150,40,40)

Jan 3 2021 11:57 PM UTC

}// 138/140

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virus

u/erin

#fill

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DataMeta

remix of d/9165 by u/DataMeta

function u(t) {

for(i=1920;i--;)v=(t*60)%1080,l=((S(T(i^v))*9)*(i+t*9)%(i*v))%256,
x.fillStyle=R(l,l,l),x.fillRect(i,v,1,1)

Aug 8 2018 11:34 PM UTC

}// 107/140

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endless urbanscape

u/zanella

Replace v with v%1080 in the fillRect call and it will redraw itself over and over again. ;)
u/DataMeta

Not sure what you mean - it already re-draws. Hence the 'endless' :P
u/zanella

Weird, the first time I saw this it didn't redraw itself - it seemed to stop once the scanline hit the bottom of the canvas. Didn't notice that it already had a %1080. So yeah, my comment is pretty useless. :)
u/zanella

Weird, the first time I saw this it didn't redraw itself - it seemed to stop once the scanline hit the bottom of the canvas. Didn't notice that it already had a %1080. So yeah, my comment is pretty useless. :)
u/DataMeta

No worries :]

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Xen

remix of d/18976 by u/Xen

function u(t) {

for(i=2e3;i--;x.fillRect(i,0,9,5))x.fillStyle=`hsl(${t+i*i&i^t*19},95%,${C(i*t)^S(t*t)*99}%`;x.drawImage(c,0,9)

May 27 2020 1:06 PM UTC

}// 111/140

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_-{Skan}-_ v0.7 going nicely #drunkCode

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Irony

remix of d/10531 by u/Irony

function u(t) {

v=t*2
r=(1+t*0.04)
vy=C(v)*100/r
vx=S(v)*500/r 
ry=vy+(200)/r
rx=vx+(200)/r
x.fillRect(960+S(v)*rx,510+C(v)*ry,3,3)

Oct 17 2018 7:32 PM UTC

}// 115/140

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Pendulum v2

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katkip

remix of d/9350 by u/katkip

function u(t) {

if(!t){i=0;x.translate(960,540)}x.fillRect(Math.sin(i*2)*540,Math.cos(i*6)*540,540,3);x.rotate((i++,5))

Aug 23 2018 9:33 AM UTC

}// 103/140

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Universal Painting Creator

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danny@hille.dk

remix of d/19966 by u/danny@hille.dk

function u(t) {

for(c.width=m=X=64;X--;)for(Y=64;Y--;)x.fillStyle=R(o=99*(S((X*Y-t+Y*X)/m)+C(Y/4+t)+S(t+X/8+S(Y/2+t))),o/2,-o),x.fillRect(X,Y,1,1)

Sep 15 2020 6:14 PM UTC

}// 130/140

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Endoplasmatic remixium