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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tzador

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼🐠𜀊𨰮𫱮𨱬𪑣𪰽𚀩🐾𨰮𢀽𭀊𦐽𜐰𞀰𛐨𭀭𨰮𢀩𚠹𞐹𒡦𫱲𚁩🐹𞱘🐴𜀰𚱩𚠱𜀰𚱓𚁴𚐪𝀵𜀬𪐭𛐻𚑻𘑣𦱩𧐦𙡸𛡦𪑬𫁒𩑣𭀨𦀬𝀰𜀬𝐰𛀲𜀰𚐻𪑦𚁙🀶𜀰𙠦𦀼𞐰𜀦𙡘🠸𝐰𚑣𦱩𧐽𜑽𒡙🀶𜀰𙠦𚁣𛡈🐹𩐹𚐊𮀮𩡩𫁬𤡥𨱴𚀹𜀰𛁙𛀹𛀵𜀩`.replace(/uD./g,"")))

Feb 11 2025 12:42 PM UTC

}// 137/140

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Click on the canvas to SHOOT at the targets

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Blacklink

remix of d/14875 by u/Blacklink

function u(t) {

c.height=h=999
x.lineWidth=35
p=S(.1*t)+1
k=Math.PI
for(i=0;i<50;i++){x.beginPath()
q=k*2/p*(i%p)
x.arc(h,h/2,i*45,q,q+k*2/p)
x.stroke()}

Jul 1 2019 9:45 PM UTC

}// 137/140

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didn't realise very obvious character saving so made it look a bit nicer

u/Xen

yup, still some golf on this one,.. but also it has a nice style, join discord dwitter chat if you wish and we can crush this all the way down so you can build it back up and add more ;), come shout me.
u/Blacklink

I'll consider that when I have some spare time on my hands!

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daniel

function u(t) {

w=c.width
t=w-t%w*100
d=(n)=>{
_=S(t/100)*100+n
x.clearRect(t-100,_,5,5)
x.fillRect(t,_,5,5)
if(n<c.height)d(n+10)}
d(1)

Feb 22 2017 4:12 PM UTC

}// 120/140

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pythech

remix of d/8513 by u/DirtyDan

function u(t) {

a=360
with(x)for(i=-1;i++<1;lineWidth=9)for(j=18;--j;beginPath(fillRect(595+b+i*a,a,9,a)))arc(960,a+a*i,b=j*20,!i*22/7,i?33/7:11/7),stroke()

Jun 11 2018 2:38 AM UTC

}// 140/140

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thicker line version as it was mentioned

u/DirtyDan

Nice! I didn't see any other opportunities to golf mine further
u/iverjo

Well done!

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tem

function u(t) {

for(i=c.width|=2e3;i--;)x.fillStyle=R(k=i/8,k,k),x.fillRect(1e3+(j=i*1.023)*S(j)/2,540+j*C(t+j|0)/2,s=i/19,s)

May 5 2025 1:29 PM UTC

}// 109/140

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main view effect

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contone

function u(t) {

w=960
f=frame-540
for(i=-w;i++<w;)e=Math.sqrt(f*f+i*i)%f,x.fillStyle=R(e),x.fillRect(i+w,frame,1,1)
x.font='3cm"';x.fillText('🐓',890,f%1280)

Apr 7 2021 9:19 PM UTC

}// 140/140

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chicken fall forever

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rodrigo.siqueira

remix of d/31982 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia(.6)invert(1)`
t?x.drawImage(c,~x.fillText('𖦹',~x.scale(s=1-C(1.5/++t)/21,s),690),~x.rotate(6)):x.translate(980,540)

Mar 2 2026 11:56 AM UTC

}// 137/140

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𖦹 Nebular #ammonite #spiral

u/ximavus

Gary's shell intergalactic edition

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tatarski

function u(t) {

t*=30
x.beginPath()
x.lineWidth=0.5
x.lineTo(960+t*S(t/15),540+t*C(t/15))
x.lineTo(960+t*C(t/15),540+t*S(t/15))
x.stroke()

Jan 4 2018 6:09 PM UTC

}// 122/140

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katkip

function u(t) {

c.width*=1;
for(i=0;i<400;i++)x.fillRect(i*(5+t/99),0,S(t*i/99)*3,2000)
for(i=0;i<400;i++)x.fillRect(0,i*(5+t/100),2000,S(t*i/99)*3)

Sep 21 2018 11:28 AM UTC

}// 132/140

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Black and white illusion. Don't see the #illusion ? Fullscreen

u/metamero

#ScintillatingGridIllusion

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cantelope

function u(t) {

for(x.globalAlpha=.07,x.fillRect(0,0,i=2140,i);i--;)x.clearRect(i*25%2e3+S(p=i*3+(k=C(t*2+i*9)))*(v=S(i*171+t)*50),i%1080+C(p)*v,4,4)

Nov 8 2017 6:19 AM UTC

}// 133/140

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colorized version: https://codegolf.tk/a/232