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) {

c.style='filter:invert(';for(i=c.width|=r=60;i--;x.beginPath())x.fill(x.arc(960+C(i)*i+S(i/99+t)*i/r,540+S(i)*i+C(i/99+t)*i/r,i/r-1,0,7))

Oct 23 2022 2:31 PM UTC

}// 137/140

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Inspired by: https://twitter.com/concinnus/status/1583941…

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dh7

function u(t) {

/* I fell like I'am 10 again */
c.width=1920;
for(i=0;i<100;i++)
x.fillRect(i*25, C(i*t/7)*300+500, 5, 50)

Feb 23 2017 8:55 PM UTC

}// 106/140

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donbright

remix of d/1969 by u/jes5199

function u(t) {

c.width=2e3;g=new Float32Array(1);for(a=192;a;a--)for(b=99;b;b--){C=(a-96)*t;d=(b-54)*t;v=C*C+d*d;g[0]=v;v-g[0]>0?x.fillRect(a*9,b*9,9,9):0}

Mar 9 2017 12:43 AM UTC

}// 140/140

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animating some of jes5199 's circles-and-squares -ish patterns.

u/jes5199

cool! This particular pattern is based on this paper: http://www.cgl.uwaterloo.ca/csk/projects/ali…
u/donbright

thanks for linking that, very very interesting.
u/donbright

#Aliasing

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buddybearalex

function u(t) {

eval(unescape(escape`挮睩摴栽㉥㌍੣⹳瑹汥⹦楬瑥爽恩湶敲琨怍੸⹦楬汓瑹汥㵒⠭匨琩⨹㔬匨琩⨹㔬䌨琩⨹㔩ഊ景爨樽ⴱ〰㭪㰹㤻樫⬩⁦潲⡩㴭㄰〻椼㤹㭩⬫⤍੸⹦楬汒散琨ㅥ㌫⡩⭪⤪⡓⡴⤪権ⰵ攲⬨椫権⨨䌨琩⩩⤬㈵ⰲ㔩`.replace(/u([^D].)/g,'$1%')))

Sep 1 2024 1:31 AM UTC

}// 140/140

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rotating plane

u/gai

epic

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khalkeus

remix of d/1593 by u/khalkeus

function u(t) {

v=['<・><','くコ彡','(___.))><','<・)))<<','<=<'];w=333;c.width=w;for(i=1;i<99;i++){x.fillText(v[i%5],w-((t+99)*S(i)*99)%(w*2),C(t-i)*9+i*5)}

Feb 28 2017 11:55 PM UTC

}// 136/140

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cut the code down a bunch and added up/down motion くコ彡

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taupelink

remix of d/23370 by u/taupelink

function u(t) {

for(i=q=400;--i;x.fillRect(i*X,i*Y,-6*q/t**.7,p*.7**t))f=97*i*t,X=f*f%6,Y=X*f%t,x.fillStyle=R(q+=C(q+X)**2*i,q**=.8+S(p=2e4/q)/2,q*=Y,p/q/9)

Jul 23 2021 7:24 PM UTC

}// 140/140

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d/23379

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Tekmap

remix of d/23129 by u/Tekmap

function u(t) {

c.width=784;for(i=32;i--;x.fillStyle="#1da")for(j=27;j--;c.style.background=R())x.fillRect(84+i*20,29+j*6+15*S(j/2)*C(t*2-i/2-j/9),16,i/t)

Jun 17 2021 10:08 AM UTC

}// 138/140

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Fading waves

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fons

function u(t) {

x.lineWidth=1
x.beginPath()
x.arc(S(t)*50,S(t)*75,t*100,0,2*Math.PI)
x.stroke()

Feb 7 2018 6:47 PM UTC

}// 79/140

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u/DirtyDan

Cool interference patterns

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ciaccodavide

function u(t) {

r=(i)=>Math.random()*100+2e3*(i<0?-1:1)
x.moveTo(960+C(t)*369,540+S(t)*369)
x.lineTo(r(C(t)),r(S(t)))
x.stroke()

Nov 16 2020 9:57 AM UTC

}// 112/140

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Hold this glowing orb

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Qwitter

remix of d/6111 by u/Qwitter

function u(t) {

eval(unescape(escape`𨴮𭵩𩅴𪄽𜥥𜴻𨴮𬵴𮕬𩔮𩥩𫅴𩕲🔧𨥬𭕲𚄹𬅸𚕣𫵮𭅲𨕳𭄨𜔱𚕩𫥶𩕲𭄨𙴻𩥯𬤨𪔽𜴰𜄻𪔭𛔻𚕻𨔽𚅩𚴹𚔯𝤰𚥴𙔴𞵰🕩𚤮𜄱𝤻𬔽𨔪𞄰𜄪𠴨𬄩𞵰🔲𜄰𚥡𚥡𛔸𜄰𚥓𚅰𚔪𨔫𞔰𜄻𮄮𩥩𫅬𤵴𮕬𩔽𤤨𜄬𝤵𚥡𛄹𞔪𨔩𞵸𛥦𪕬𫅒𩕣𭄨𬔬𬄬𝔰𛅡𚤵𜄩𞵽`.replace(/u../g,'')))

Jan 14 2021 3:50 PM UTC

}// 137/140

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