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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rodrigo.siqueira

remix of d/34194 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=1e4;i--;x.fillRect(960+X/Z,170+Y/Z,.1,1))r=i/2000+t*3,X=r*S(r+.5)*200,Y=r*C(r)*99+r*r*9,Z=r*(i/t)%.1+6+C(X&Y)

Aug 16 2025 1:24 PM UTC

}// 140/140

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Volumetric spiral generator #spiral

u/Axioplase

Oranginaaaa!
u/cantelope

wow

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KilledByAPixel

remix of d/22668 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𪐽𨰮𭱩𩁴𪁼🐰𛁴🱸𛡦𪑬𫁒𩑣𭀨𦀫👁𚠽𡠨𦀫👁𚐬𦐫👂𚠽𡠨𦐫👂𚐬𞐬𞐩𞠨𦠽𜰴𛁅🐶𜀬𦀽𞀶𜀬𦐽𝰰𜀬𠐽𝐬𠠽𜰩𞱩𛐭𞱸𛡦𪑬𫁒𩑣𭀨𪐥𡐪𦠬𚁩𛱅𯀰𚐪𦠬𭀿𘑵𦱩𧐪𦠺𭑛𪑝🐡𚁩𙑅𙡩𛱅𚐬𦠩𚑆👟🐾𭑛𡰽𚁘𛱚𯀰𚐫𚁙𛱚𯀰𚐪𡑝🐭𘑵𦱇𧑼𜐻`.replace(/u../g,'')))

Apr 30 2021 11:00 PM UTC

}// 139/140

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Breakinski #sierpinski #breakout

u/Nascretis

That is really cool, as always!
u/KilledByAPixel

Thank you. ✌️😊

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katkip

remix of d/11575 by u/Xen

function u(t) {

t?x.fillRect(0,0,1e3,13):x.translate(960,540)
x.drawImage(c,0,0,Z=S(t/3)*6e2,Z)
x.fillStyle=`hsl(${t*99},80%,50%)`
x.rotate(1.57+C(t)/99)

Dec 28 2018 3:19 PM UTC

}// 137/140

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Xen

remix of d/21755 by u/danny@hille.dk

function u(t) {

for(w=i=600;i--;x.beginPath(x.fill(x.arc(1e3+C(i-r)*1e3,S(i/w)*r+500,60,0,7))))x.fillStyle=R(r=S(i+t)*w,r^w,-r,.01)

Feb 23 2021 10:59 PM UTC

}// 115/140

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-[Hazy Desert]-

u/Qwitter

awesome
u/Qwitter

awesome!
u/danny@hille.dk

Cool

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pedro

function u(t) {

α=200;c.width=α*2;τ=Math.PI*2;x.font="36px A";x.fillText(['👌','👍','👌','👍','👌','👍','👌','👍'][(t|0)%8],α+C(t)*70,50+70+S(t)*70);

Jan 3 2018 11:54 AM UTC

}// 125/140

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u/crimbles

89 characters: α=200;c.width=α*2;x.font="36px A";x.fillText(['👌','👍'][(t|0)%2],α+C(t)*70,120+S(t)*70);

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Xen

remix of d/33902 by u/neimad

function u(t) {

for(i=666;i--;x.fillRect(X=i*C(i+(w=i/19+t))+666,Y=i*S(i+w+S(i+t*7)/5)+440,i,i),x.strokeRect(X,Y,i,i))x.fillStyle=`hsl(${i},99%,69%,.04`

Jun 3 2025 5:35 PM UTC

}// 136/140

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quick golf and play

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lars-erik

remix of d/22623 by u/lars-erik

function u(t) {

c.width=w=167,f=n=>n|0,o=f(t*30+S(t)*50),b=45
for(z=w;z--;)for(y=96;y--;)if(f((z+o)*(y+t*50*S(t/2.5)|0))%b==0)x.fillRect(z-1,y,4,4)

Apr 24 2021 3:22 PM UTC

}// 131/140

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I have no idea what I'm doing™ #4.7

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46uuuu

function u(t) {

x.font="1120px Arial"
x.fillText("🍔", 400,900)
// #Food

May 20 2026 5:03 PM UTC

}// 55/140

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Randomn't food #Food

u/46uuuu

#short

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sawaxon

remix of d/1639 by u/sawaxon

function u(t) {

c.width=1920;f=()=>900-i*9+C(i/2*t)*i*60,k=()=>490-i*9+S(i/2*t)*i*60;for(i=0;i<7;i++,x.fill(),x.moveTo(f(),k()))
x.arc(f(),k(),9+i*8,0,7,0)

Feb 28 2017 11:55 PM UTC

}// 139/140

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Ghoust

function u(t) {

t<1?a=[0,0,4,9]:0
for(j=99;j--;)for(i=2;i--;){a[i]<0||a[i]>999?a[i+2]*=-1:x.fillStyle=R(S(t)*99+99)
a[i]+=a[i+2]
x.fillRect(a[0],a[1],9,9)}

May 4 2022 2:26 PM UTC

}// 139/140

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