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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taupelink

remix of d/14804 by u/taupelink

function u(t) {

f=X=>{for(i=2;i*i<=X;i++)if(X%i==0)return i+'*'+f(X/i);return X};frame%30||(c.width=200,q=f(k=Math.random()*1e9|0),x.fillText(k+'='+q,5,60))

Aug 11 2019 12:34 AM UTC

}// 140/140

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Factorization of a random integer into #prime products

u/aleamb

awesome! #math #numbers #primes

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iverjo

remix of d/598 by u/iverjo

function u(t) {

c.width=1920;for(i=-2;i<2;i+=.05)for(j=-4;j<4;j+=.05)X=j-3*S(t),Y=i+C(t),1/(j*j+Y*Y)+1/(X*X+i*i)>1&&x.fillRect(j*240+960,i*240+540,12,12)

Jan 14 2017 3:56 PM UTC

}// 137/140

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u/nickd3000

A weird remix https://www.dwitter.net/d/6361
u/iverjo

#metaballs

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New_Core

function u(t) {

for(a=i=1920;i--;x.fillStyle=R(50+b*i/20))x.fillRect(i-50*S(t+i/a),0,b=1-.3*S(i/(C(t+i/50)-20))-S(t+i/a),20)
x.drawImage(c,0,20)

May 23 2022 6:34 PM UTC

}// 128/140

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u/magna

Great!

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BriSeven

remix of d/562 by u/BriSeven

function u(t) {

if(!t)a=1;for(i=0;i<1920;i+=1){x.fillStyle=(t|0)%2?"#FFF":"#000",x.fillRect(i*4,C(a)*t*100&1023,8,8),a+=C(t*i*a)}

Dec 30 2016 10:01 PM UTC

}// 113/140

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u/iverjo

Smooth

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vinca

function u(t) {

eval(unescape(escape`景爨挮睩摴桼㵷㴹㘰Ⱪ㴶㭩㸰㭩ⴽ⸳⥦潲⡪㴵㭪㸰㭪ⴽ⸱⥁㴨䈽㔫⠲⭓⡴⨱〩⨮㈩⩃⡩⤩⩃⡪⤬夽䈪匨権ⱚ㴲⩓⡩⤬堽䌨琩⩁ⵓ⡴⤪娬娽匨琩⩁⭃⡴⤪娬砮晩汬剥捴⡷⭘⼨娭㴲〩⩷ⰵ㐰⭙⽚⩷ⰲⰲ⤻`.replace(/u(..)/g,"$1%")))

Mar 30 2019 12:02 PM UTC

}// 135/140

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for(c.width|=w=960,i=6;i>0;i-=.3)for(j=5;j>0;j-=.1)A=(B=5+(2+S(t*10)*.2)*C(i))*C(j),Y=B*S(j),Z=2*S(i),X=C(t)*A-S(t)*Z,Z=S(t)*A+C(t)*Z,x.fillRect(w+X/(Z-=20)*w,540+Y/Z*w,2,2)

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solendil

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👲🐰𛁢🐧𘁢𫱴𭁬𩑳𘁯𩠠𨡥𩑲𙰬𭰽𨠫𙰠𫱮𘁴𪁥𘁷𨑬𫀧𞱦𫱲𚁩🐹𞐻𪐭𛐻𬠫👩𚱷𚰧𘰣𙰫𪐫𭰫𙰬𘀧𚱩𚱢𚱠𘱔𨑫𩐠𫱮𩐠𩁯𭱮𛀠𬁡𬱳𘁩𭀠𨑲𫱵𫡤𛀠𨀩𮀮𩡯𫡴🐧𝁥𫐠𨐧𞱲𛡳𬁬𪑴𨀣𨀮𫑡𬀨𚁦𛁩𚐽🡸𛡦𪑬𫁔𩑸𭀨𩠬𭠽𞀰𛁶𚠨𪐭𭀩𚐩`.replace(/uD./g,'')))

Oct 8 2020 3:19 PM UTC

}// 138/140

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99 bottles of beer

u/solendil

First #obfuscated entry for me...
u/solendil

One verse is 113 characters long. It leaves only 27 theoretical characters to repeat, display and scroll ! :)

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bqst

function u(t) {

x.arc(t*50,t*50,t*50,0,2*Math.PI);x.stroke();

Sep 11 2018 4:14 PM UTC

}// 45/140

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Test

u/donbright

sometimes the simplest stuff has really interesting things revealed

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username

remix of d/10044 by u/username

function u(t) {

 for(x.shadowBlur=i=99;i>0;i-=2,x.shadowColor=x.fillStyle=`hsl(${C(t=88)*i+t*i} 99%38%)`)x.fillRect(960+11*i*-C(a=t*i/16),552+11*i*S(a),i,i)

Sep 24 2018 9:37 PM UTC

}// 140/140

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u/Qwitter

the Gummy Worms have finally come to devour me!

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Pascal

function u(t) {

for(c.width|=j=2;j--;x.stroke(),x.beginPath())for(i=w=1e3;i--;x.lineTo(500+z*j*16+w*j+w*2*C(a)/z,540+w/2*(S(i*5)+2*S(i*8))/z))z=S(a=i-t)-6

May 21 2021 10:10 PM UTC

}// 138/140

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#stereograph #d3 cross eye 3D object

u/rep_movsd

Beautiful
u/rep_movsd

Beautiful
u/rep_movsd

You can switch clockwise and anticlockwise rotation in your brain if you try hard
u/joeytwiddle

To tilt it downwards, change 540 to 540+99*S(a)

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Jezza

function u(t) {

t||(X=Y=u=.9)
for(i=999;i--;)T=.4-6/(1+X*X+Y*Y),Z=X,X=1+u*(Z*C(T)-Y*S(T)),Y=u*(Z*S(T)+Y*C(T)),x.fillRect(X*500+600,Y*350+750,.9,.9)

Apr 26 2019 7:31 AM UTC

}// 132/140

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https://en.wikipedia.org/wiki/Ikeda_map