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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danny@hille.dk

function u(t) {

t*=60;for(X=2e3;X--;x.fillRect(X,t,b/99,1/b*299))for(p of[[b=99,99],[960,540],[1721,940]])b+=C(Math.hypot(X-p[0],t-p[1])/7)*99

Sep 11 2023 6:29 PM UTC

}// 126/140

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3 point wave interference

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iverjo

function u(t) {

c.width=2e3;for(i=5e3;i--;)p=3*t+S(t/2)*i/3e3+i%4/.637,d=C(p)-S(p),d>0&&x.fillRect(960+199*S(p)+249*S(t/.7+i/6e3),i/4-2,199*d,1/(d+1))

Feb 21 2016 8:54 PM UTC

}// 134/140

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u/joeytwiddle

Golfed version: https://www.dwitter.net/d/1232
u/iverjo

#twister

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masang

remix of d/19904 by u/masang

function u(t) {

x.fill()
for(i=0;i<200;i++)
n=t*500,
x.fillStyle=R(t*.2,n*.2,C(t)),
x.arc(i*10,(n%100)*10,5,0, 2 *Math.PI)

Sep 10 2020 12:35 PM UTC

}// 106/140

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katkip

function u(t) {

r=Math.random;for(k=900;k--;)i=r()*192|0,j=r()*108|0,x.fillStyle=R(r()*256,r()*256,r()*256),x.fillRect(10*i,10*j,10,10)

Feb 10 2019 11:30 AM UTC

}// 119/140

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#random randomness

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clavigne

function u(t) {

a=(c.height=1080)/2;x.translate(960,a);for(n=1;n<99;n++){x.rotate(30*(r=a*S(n)**2)/a);w=20*S(s=t+n+r);x.fillRect(r*C(2*s+1.6),0,w,w)}

Apr 19 2021 8:06 PM UTC

}// 133/140

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u/deltuhvee

Oort Cloud
u/magna

125: a=(c.height|=0)/2;x.translate(960,a);for(n=99;n--;x.fillRect(r*C(2*s+1.6),0,w,w))x.rotate(30*(r=a*S(n)**2)/a),w=20*S(s=t+n+r)

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Xen

remix of d/32982 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𭰽𞐹𛁳🐲𜠬𪐽𝡥𜰻𪐻𦀫🐱𛑩𙑷𛰴𜀩𚰫𥀼𭰦𙡒🀱𝠭𤰨𦀯𞑞𥀯𞐩𚠪𞀪𚁔🠾𝐩𚠳𞁼𦀦𤠦𥀦𜐵𯁼𠰭𜐦𙠨𠰽𜐩🱒𛐽𠰺𮀮𩡩𫁬𤡥𨱴𚁩𙑷𚡳𛁩𛐭𛱷𚡳𛁳𛁳𛁸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𝀪𥁽𘀤𮱔𯐥𙁻𥀯𜰭𤡽𙑠𛁒👔👃🐱𛑩𛰳𩐳𛁘👴𚡳𚐻`.replace(/u../g,'')))

Dec 23 2024 6:23 PM UTC

}// 136/140

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slight golf, shoutz to my bro KBAP!

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DazeWare

remix of d/27139 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,i=2e3,i*!t);i--;x.fillStyle=R(0,S(t*i,k)*i))I=i%2e3,X=I/28|0,k=S(i*i)*2+2|0,x.fillRect(X*37,I%28*39,t*9,t*9)

Mar 6 2023 4:38 PM UTC

}// 127/140

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entozoon

function u(t) {

c.width=1920
s=(S(t)+1)/2
for(i=0;i<9;i++){
  x.fillStyle=R(255*(S(t)+1)/2,0,0)
  x.arc(960+i*S(t)*192,500+C(t)*400,s*100,0,7)
  x.fill()
}

Dec 28 2017 4:54 PM UTC

}// 139/140

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katkip

remix of d/11900 by u/katkip

function u(t) {

f=(X,Y,s)=>{if(s>4)x.beginPath(),x.arc(X,Y,s,0,7),x.stroke(),f(X+s/2,Y,s/2),f(X-s/2,Y,s/2),f(X,Y-s/1.5,s/3),f(X,Y+s/1.5,s/3)}
f(960,540,500)

Jan 20 2019 1:46 PM UTC

}// 140/140

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I tried to make an Apollonian Gasket

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katkip

remix of d/12143 by u/katkip

function u(t) {

f=n=>Math.log(n*2-1);c.width^=0;for(i=192;i--;)for(j=9;j--;)
x.fillRect(1920-f(i)*314,1080-f(j+i+C(t+j+i/9)*9)*180,10,10)

Feb 4 2019 6:54 PM UTC

}// 121/140

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