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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rodrigo.siqueira

remix of d/35269 by u/mark1626

function u(t) {

f=(X,Y,s,r)=>{if(s>1)f(X+s*S(r),Y+s*C(r),s/1.25,r+S(v=r*1.4)+C(v/5+t*8))
else x.fillRect(X,Y,t<2,.1)}
for(i=2e4;i--;)f(960,540,99,t*i)

Apr 21 2026 3:12 PM UTC

}// 134/140

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#mandala

u/mark1626

There's a lot of interesting combinations with this. Is there a math behind this equation?

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kodierer

remix of d/7944 by u/kodierer

function u(t) {

c.width=1920 
h=0
for (i=0, i <600 i++){
h=h*2;
x.fillRect (i, i, h)
}

May 4 2018 4:27 AM UTC

}// 70/140

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pavel

remix of d/23087 by u/pavel

function u(t) {

for(n=3;n--;x.beginPath(x.stroke()))t?p[3-3*C(j=++i>>5)>>1]+=1|C(j**9.2)-1:p=[0,i=0,99],s=540/p[2],s>0&&x.arc(960+p[0]*s,540+p[1]*s,3*s,0,7)

Jun 12 2021 7:58 PM UTC

}// 140/140

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#pipedream

u/vain

Just amazing! Reminds me of the old Windows 95 screensaver.

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username

remix of d/12881 by u/username

function u(t) {

for(c.width|=0,j=14,t*=.3,x.font="2em'";j--;){for(i=3;i>0;i-=6/99)r=t*S(i)+40*j,x.fillText('.•○•.',1e3+r*C(i+j*S(t)),542+r*S(i+j*S(t)))}

Mar 24 2019 6:48 PM UTC

}// 136/140

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rodrigo.siqueira

remix of d/23638 by u/TGY

function u(t) {

with(x)for(translate(t?0:m=986,t?0:540),i=m;i--;fillRect(1/i,z-230,6e4/z,8))fillStyle=R(z=2e4/((i*6+t*50)%m),z*S(t/2),z*2),rotate(T-(T=i-t))

Aug 24 2021 1:59 PM UTC

}// 140/140

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Gravity Orbe

u/TGY

astonishing
u/sigveseb

wow, nice!

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cantelope

function u(t) {

eval(unescape(escape`挮睩摴栽ⴱ㭑㴨堬夽䌨瀩⩤⤽㹻睩瑨⡸⥬楮敔漨堬天ⱙ☦⡸子㴧扥杩湐慴栧崨獴牯步⠩⤬晩汬⡡牣⡘ⱙⰲ〬〬㜩⤩紻儨搽ㄲ㤬〩ⱱ㵓⡴⨴⤬儨搫匨瀽焼〿焺〩⩤⤬硛偝⠩㭑⡥㴱㘹ⰰ⤬儨攫匨瀽焾〿焺〩⩤⤻`.replace(/u(..)/g,"$1%")))

Dec 17 2018 11:21 PM UTC

}// 138/140

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c.width=-1;Q=(X,Y=C(p)*d)=>{with(x)lineTo(X,Y),Y&&(x[P='beginPath'](stroke()),fill(arc(X,Y,20,0,7)))};Q(d=129,0),q=S(t*4),Q(d+S(p=q<0?q:0)*d),x[P]();Q(e=169,0),Q(e+S(p=q>0?q:0)*d)

u/iverjo

#newtonscradle

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New_Core

function u(t) {

for(c.width|=i=60;i--;)a=i*i/3**S(t*.7),x.fillStyle=`hsl(${(i+t*9)*9},68%,56%`,x.fillRect(960+500**S(i/30+t*1.3)-a/2,a,a,a)

Nov 13 2019 9:49 AM UTC

}// 123/140

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u/Xen

nice

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bandaloo

function u(t) {

i=~~(t*60);j=~~(i/40);k=i%40;x.fillStyle=`hsl(${(j&k)*99},40%,40%`;x.fillRect(k*48,j*40,40,48);x.drawImage(c,C(t)/t,0)

May 25 2020 10:33 PM UTC

}// 118/140

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salamander scales

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Froff

function u(t) {

with(x){r=Math.random;a=r();b=r();beginPath();moveTo(0,0);lineTo(a*2e3,b*1e3);strokeStyle=R(200+55*b,200+50*(a-b),0,.2/(a*a+b*b));stroke()}

Oct 22 2017 3:12 PM UTC

}// 139/140

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taupelink

remix of d/24928 by u/taupelink

function u(t) {

eval(unescape(escape`景爨洽琿〺ㅥ㐻洭ⴻ砮晩汬⠩⥘㵓⡭⤬夽匨洫洪洩ⱶ㴱ⵙ⩓⡭⬵⩭⩭⤪⸷ⱸ⹦楬汓瑹汥㵒⡩㵭┳㐹Ⱪ⨽瘪瘬椪⩶Ⱪ⩩⼱攳⼨ㄭ堪堭太天⤬砮扥杩湐慴栨⤬砮慲挨㤶〫㔴〪堬㔴〪⬫夬洪瘯⠲⭩⤬ⴴⵙⱶ⤠`.replace(/u([^D].)/g,'$1%')))

Feb 15 2022 8:05 PM UTC

}// 139/140

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d/24930

u/joeytwiddle

These #colors are really pretty