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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draketeach

function u(t) {

z=y=0;a=2*S(t**7);b=C(t**5);
for(i=255;i&&z*z+y*y<4;i--){z=z*z-y*y+a;y=2*z*y+b}x.fillStyle=R(i,i,i,1);x.fillRect(500*z+1200,500*y+540,9,9)

Jul 4 2019 12:30 PM UTC

}// 138/140

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First attempt at Mandelbrot but it isn't working yet!

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luta

remix of d/36061 by u/luta

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪌽󜜶󜌻󬼽󜜵󞽷󪝴󪌨󮌩󩭯󬬨󩌽󝬻󩌭󛜻󚝦󫽲󚍪󟜲󝼻󪬭󛜻󦌪󠼨󭌩󛝙󚭓󚍴󚜾󜜱󚭤󛜲󜍼󯌨󩭩󫍬󤽴󮝬󩜽󤬨󪬥󜬪󞜹󛌹󞜩󛍢󩝧󪝮󤍡󭍨󚍦󪝬󫌨󨝲󨼨󞌰󚽘󚭓󚍴󚜫󦜪󠼨󭌩󛌳󝬫󦬬󝼬󜌬󝼩󚜬󬽴󬭯󪽥󚌩󚜩󚝘󟝪󙜳󚭳󛝳󛍙󟜨󪬯󜽼󜌩󙜳󚭳󛝳󛍚󟜨󪬯󞝼󜌩󚭳`.replace(/u../g,'')))

Aug 2 2026 2:07 AM UTC

}// 140/140

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NaCl crystal structure

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DazeWare

remix of d/26313 by u/danny@hille.dk

function u(t) {

c.width=w=200;for(m=3e4;m--;T=S(X/d-t*16)*C(Y/d))x.fillRect(i=m%w,j=m/w,T**.1,2),r=(X=i/w*4-2)*X+(Y=j/w*4-1.1)*Y,d=r>1?S(t*4%3)/5-.4:C(r)/t

Oct 21 2022 7:44 PM UTC

}// 139/140

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384.cz

function u(t) {

t||(G='')
onclick=_=>{K=_.x
G+=r(0)+r(4)+r(0)+`
`}
Z=K
r=_=>"cat,dog,ant,fox,met,had,killed,kissed".split`,`[0|_+2+(Z=S(2*Z)*2)]+" "
throw G

Nov 21 2023 7:27 PM UTC

}// 140/140

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Click different place on canvase - Generate different #poem verse

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tzador

remix of d/33373 by u/tzador

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼🐰𒡦𫱲𚁩🐳𩐴𞰊𦀽𤰨𪐪𚡴𚐬𦐽𤰨𪐪𚠲𚐬𦠽𤰨𪐪𚠳𚐬𒡈👓𚁴𚐪𦐫𭀬𥠽𠰨𢀩𚡘𛑓𚁈𚐪𦠬𒡗👓𚁈𚐪𦀫𠰨𢀩𚡚𛐲𜀬𢠽𦀪𚠸𚱙𚠪𞀫𦠪𚠸𛀊𪐭𛐻𚐊𪑦𚁊🠱𛠶𜐸𙠦𢠼𜐮𞀩𒡸𛡦𪑬𫁒𩑣𭀨𞐶𜀫𝡥𜰪𥠯𥰬𝐴𜀭𜡥𜰭𚀶𩐳𚡙𚰴𩐴𚐯𥰬𝀬𝀩`.replace(/uD./g,"")))

Feb 16 2025 10:21 PM UTC

}// 139/140

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#cube

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katkip

function u(t) {

r=Math.random;x.font='18cm"',x.fillText("△",660,790);for(j=99;j--;)q=r()*1980,x.fillRect(q<820?q:260+q,q<820?580:580+q/7*(r()-.5),7,7)

May 10 2019 1:28 PM UTC

}// 134/140

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I tried. Best on firefox #prism #pinkfloyd

u/KilledByAPixel

That's cool! I like that your approach.
u/katkip

On chrome, the triangle is not centered.

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toha73

remix of d/2818 by u/toha73

function u(t) {

c.width=128
for(j=0;j<1;j+=.02)for(i=0;i<1;i+=.02){
v=S(10*(i*S(t/.5)+j*C(t/.4))+t)
x.fillStyle=R(0,0,0,v/2+.5)
x.fillRect(i*128,j*64,2,2)}

Jun 30 2017 4:04 PM UTC

}// 139/140

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u/donbright

so smooth!
u/Xen

so it fits 138bytes: W=c.width=128;for(j=0;j<1;j+=.02)for(i=0;i<1;i+=.02){v=S(10*(i*S(t/.5)+j*C(t/.4))+t);x.fillStyle=R(0,0,0,v/2+.5);x.fillRect(i*W,j*64,2,2)}
u/Xen

strange, said 143bytes at first, glitch on site?? :-/

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zadgy5534

function u(t) {

c.width=960
x.translate(w=480,w)
for(i=0;i<w*2;i+=.5){
x.fillRect(X=i*C(w*i+t),Y=i*S(w*i+t),5,5)
}x.fillStyle=(X,Y,X*Y)

Aug 8 2024 5:54 AM UTC

}// 119/140

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Basic spiral

u/cantelope

cool

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function u(t) {

c.width=1920
x.fillRect(0,0,1920,1080)
for(i=0;i<1980;i++)
x.fillStyle=R(S(t)*i,T(t)*i,C(t)*i)
x.font='5in"'
x.fillText("AO", S(t)*i, 700);

Apr 2 2020 10:56 PM UTC

}// 139/140

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taupelink

remix of d/36449 by u/taupelink

function u(t) {

for(i=z=2e4;i--;x.fillRect(768+r*C(i),360-r*Y,z,z))Y=S(i),x.fillStyle=R((p=z*C(z=4*t**.5*(5-Y)/(3-S(z/20*Y+i))%24)&19)*p,p*9,p*z,.5),r=240*t

Oct 9 2026 11:41 PM UTC

}// 140/140

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d/36453