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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Xen

function u(t) {

eval(unescape(escape`𭀿𜀺𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁺🐲𩐳𛁺𚐊𭱩𭁨𚁸𚑦𫱲𚁩🐴𜀳𞱩𛐭𞱳𭁲𫱫𩑓𭁹𫁥👒𚁚👩🀷𝀿𮠺𪐪𪐥𞀱𛁚𛁚𛀮𜐩𚑡𬡣𚀷𞐹𚱃𚁘👩𚱴𚐪𪐬𝐲𞐫𤰨𦀩𚡩𛀸𞐬𘑳𭁲𫱫𩑒𩑣𭀨𜐱𜀰𛀡𨡥𩱩𫡐𨑴𪀨𬱴𬡯𪱥𚀩𚐬𠰨𦀩𚠱𝰬𝐰𜀩𛀷𚐻`.replace(/u../g,'')))

Apr 17 2020 4:08 PM UTC

}// 130/140

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Turntable #Dancing

u/sigveseb

Awesome!

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PotatoImaginator

remix of d/17798 by u/veubeke

function u(t) {

x.font='15cm"'
x.shadowColor=`hsl(${t*400},99%,50%)`
x.shadowBlur=30
x.fillText('😭',630+75*S(3*t),750)
x.drawImage(c,-16,-9,1952,1098)

May 14 2024 4:49 AM UTC

}// 134/140

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magna

function u(t) {

c.width|=0
for(i=9;i--;x.fillRect(400+i*100+S(t)*300,400,50,200))
o=S(t+i),v=C(t+i),w=S(t)**7/2,x.setTransform(1+o*w,0,o*v*w,1-(v-o)*w,0,0)

Jun 26 2018 5:38 AM UTC

}// 139/140

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Fixed issue with reassigning u

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maeln

remix of d/16127 by u/maeln

function u(t) {

if(t==0)i=0;for(n=0;n<32;n++){x.fillRect(i*C(i+t)/6+960,i*S(i-t)/6+540,4,4);i++;x.fillStyle=R(i%255,(i*2)%255,(i*0.2)%255)}

Nov 1 2019 12:09 AM UTC

}// 123/140

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variation on a theme

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anotherkitten

function u(t) {

for(d=19;d--;x.beginPath(x.fill())){p=d+t%1;x.fillStyle=`hsl(${140+t*2} 66%${80-S(p/4)*40}%`;x.arc(960,540,p*60,o=p/2+t/2,++o)}

Oct 21 2018 3:06 AM UTC

}// 127/140

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cute spiral

u/Agnes

Consider using properly formatted HSL if you have the characters to spare - these all show up as 100% black on iOS Safari!
u/anotherkitten

true, should have done, just habit to use the broken one

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lucio

remix of d/5600 by u/p01

function u(t) {

for(i=I=416,c.width=180;a=t+i/I*6.28,i--;)C(a)<0&&x.fillText("░▉"["㉌ሒ縒䈀䩊䩊~ȂɾȂɾ~⁾တ縠㰀䉂䉂~".charCodeAt(i/16)>>i%16&1],85+S(a)*75,9+i%8*13)

Dec 4 2018 1:59 AM UTC

}// 136/140

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Spread the word around

Show more comments…
u/magna

Figuratively and literally.
u/lucio

:-)
u/lucio

For anyone interested, here's a tutorial explaining how it was made: https://luciopaiva.com/dweets/pt3/
u/katkip

coool
u/katkip

#d3
u/donbright

holy cow
u/iverjo

#makingof

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cantelope

function u(t) {

for(x.fillRect(0,0,i=2e4,i);i--;x.clearRect(960+S(l+=t)*S(q=i%2<.5?n:3.2-n)/(Z=C(l)*S(q)+1)*(h=540),h+C(q)/Z*h,4,4))n=((l=i**.9)%1)**.5*1.6

Aug 22 2025 6:00 PM UTC

}// 139/140

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no Math.random

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jick

function u(t) {

x.fillStyle=R(S(t*1)*255,Math.random()*255,0);
x.fillRect(t*12345%2000,1060,30+Math.random()*300,40)
x.drawImage(c,0,-20,1920,1080)

Mar 21 2017 3:01 AM UTC

}// 131/140

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bencoveney

function u(t) {

n=c=255
t=(t*99)%198
for(i=999+t;i>t;i-=99){x.fillStyle=R(c=n-c)
x.fillRect(980-i,540-i,2*i,2*i)}
x.fillRect(870,430,220,220)

Oct 28 2019 12:13 PM UTC

}// 125/140

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shilquix

remix of d/25354 by u/shilquix

function u(t) {

F=m=>Math.abs(~~((X*Y)/t))
w=1920,h=1080,r=16
for(i=0;i<w;i+=r)for(o=0;o<h;o+=r)X=i-w/2,Y=o-h/2,x.fillStyle='#'+F(),x.fillRect(i,o,r,r);

Apr 23 2022 6:41 PM UTC

}// 136/140

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filigram fixed

u/donbright

very cool esp at beginning
u/rh2

asymptotic 🔥🔥🔥