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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geb

function u(t) {

for(i=0,c.width=2e3,π=44/7,r=540;i++<180;a=5+i*S(t),x.ellipse(960,r,a<0?-a:a,r,6*π*i+S(t),~'moire patterns <3',7),x.stroke())x.beginPath()

Jun 15 2020 9:45 AM UTC

}// 138/140

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#moire

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SingingGoat

function u(t) {

c.width=1920;
for(i=0;i<192;i++){
x.fillRect(0+i*10, 0, 10, 1+1080*S(t+i))
x.fillRect(0+i*10, 1080, 10, 1-1080*S(t-i))
}

Feb 23 2017 1:39 AM UTC

}// 120/140

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jczimm

remix of d/25568 by u/taupelink

function u(t) {

eval(unescape(escape`景爨欽㈵㜬洽琿〺㉥㐻洭ⴻ砮晩汬⡸⹳瑲潫攨⤩⥸⹢敧楮偡瑨⡲㵭⨪⡧㵭┨㐰⼵ㄩ⤩Ⱪ㵭╫ⱸ⹬楮敗楤瑨㵲⽩┱ⱸ⹦楬汓瑹汥㵒⠨匨椩⬱⤪㈵㔬椬椩ⱸ⹡牣⡭┹⩫⭩⩃⡭⤬⡭⼷簰⤥㔪欫椪匨洩ⱲⱭⱭ⬹⤠`.replace(/u([^D].)/g,'$1%')))

Jun 4 2022 4:24 AM UTC

}// 140/140

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pavel

function u(t) {

for(c.width&=i=4992;i--;x.beginPath(x.stroke()))[a=C(i%64)*t,b=C(i>>6)*t].map(o=>x.arc(448,252,252,o,o)),x.globalAlpha=1/77**(1-C(a-b))**.5

Jun 26 2022 8:58 PM UTC

}// 139/140

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Ripple

u/BriSeven

#circleChallenge #circle
u/magna

Love it!
u/DaSpider

Dethroned from the h/circlechallenge/top by u/pavel

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taupelink

remix of d/19974 by u/taupelink

function u(t) {

r=Math.random;for(i=k=128;i--;x.fillRect(k*X,k*Y,i/t,i/t))X=r(Y=r()*8)*16,x.fillStyle=R(h=k*C(3*S(Y*C(X*X/16-X)+S(Y))+5*(X*4|Y))|i,h*2,h+k)

Sep 16 2020 1:35 AM UTC

}// 139/140

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d/19975

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alice-mx

function u(t) {

function f(a,b,d){x.fillRect(a+S(t)*300,b,5,5);if(d>1){
f(a+S(t+d)*50,b+C(t+d)*50, d*0.95)
f(a+100,b+100, d*0.6)}}c.width=1920;f(500,500,5)

Oct 25 2018 8:19 AM UTC

}// 139/140

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Blacklink

function u(t) {

c.width=b=1920
for(var a=0;a<b;a++){m=C(.01*a)*90+99
v=S(t+S(t)*.01*a)*S(t)*300+540
x.fillRect(a,0,1,v-m)
x.fillRect(a,v+m,1,1080-v+m)}

Sep 12 2019 10:06 AM UTC

}// 135/140

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Just a weird test thing

u/0x04

Maybe weird, but cool 😎

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iverjo

remix of d/553 by u/iverjo

function u(t) {

a=13;for(i=0;i++<1e3;)s=45/(9-(t+i/99)%9),x.fillStyle=R((d=i*119)%256,d/1.4%256,d/7%256),x.fillRect(960+5*s*C(h=i*a+t),540+5*s*S(h),s,s)

Dec 23 2016 1:35 PM UTC

}// 136/140

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Play with the a variable

u/joeytwiddle

I did ask you asked! https://www.dwitter.net/d/3600

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katkip

remix of d/16527 by u/katkip

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=43;i--;)for(j=71;j--;)x.clearRect(j*30+S(S(i/4+t)*2-t)*90-99,i*30+C(S(j/4+t)*2-t)*90-99,9,9);x.globalAlpha=.22

Nov 4 2019 5:13 PM UTC

}// 140/140

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u/Xen

sexy pattern but laggs here

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username

remix of d/13380 by u/username

function u(t) {

eval(unescape(escape`琿愽瑞〺瀽〻楦⡡㴽瀩瑨牯睠总焽挮桥楧桴帽漽弽㹍慴栮牡湤潭⠩⨹㤫㤹㭦潲⡥㴲攳㭥ⴽ㠰㭰㵡⥷楴栨砩浯癥呯⡥⴨眽漨扥杩湐慴栨砮氽汩湥呯⤩⤬焩ⱬ⡥⵷ⱱ⵷⨲⤬氨攭眯㈬焭眪㌩ⱬ⡥ⱱ⵷⨲⤬晩汬⡬⡥ⱱ⤩`.replace(/u(..)/g,"$1%")))

Apr 23 2019 12:48 PM UTC

}// 140/140

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random scenery generator

u/username

t?a=t^0:p=0;if(a==p)throw;q=c.height^=o=_=>Math.random()*99+99;for(e=2e3;e-=80;p=a)with(x)moveTo(e-(w=o(beginPath(x.l=lineTo))),q),l(e-w,q-w*2),l(e-w/2,q-w*3),l(e,q-w*2),fill(l(e,q))