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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Agnes

function u(t) {

nextFrameMs=t+1000
for(c.width|=i=9;i--;)x.fillRect(100*(4+3*S(t)+i),400,50,200)

May 2 2024 1:06 PM UTC

}// 80/140

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#default at the refresh rate of your monitor

u/KilledByAPixel

hi Agnes, sorry but i removed your last dweet because it was really slowing down some peoples computers. it was because 960 calls to draw image is really slow! please repost if you can make it a bit faster

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pythech

remix of d/8693 by u/pythech

function u(t) {

c.width|=0
t/=3
with(x)for(i=1e3;i--;fill(),fillStyle=k?'#fff':R())beginPath(k=i%2),arc(60*(i>>1)-t*222,500+400*S(i*t/10),200,0,9)

Jun 22 2018 4:13 AM UTC

}// 130/140

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#waitforit

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rodrigo.siqueira

remix of d/28106 by u/rodrigo.siqueira

function u(t) {

for(c.width<<=i=2e4;i--;x.fillRect(960+C(K=i-1/C(i*2)+1/a)*640*a,540+S(K)*490*a,12*a,25*a))a=(i/C(i*2)+t/4)%2-2

Jul 8 2023 10:06 PM UTC

}// 111/140

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Double vortex #vortex #spiral

u/NoName

woh

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Jezza

function u(t) {

c.width|=0;x.font='28px m';for(m=1;m<80;m++)for(n=1;n<46;n++)x.fillText('┛┓┗┏'[(t/11*(m-40))&1^n&1|((t/7*(n-23))&1^m&1)*2],m*24,n*24)

Feb 4 2018 4:12 AM UTC

}// 133/140

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jylikangas

function u(t) {

for(c.width=j=-1;++j<99;x.fillText(T=!j||3/7,-41,48))for(i=9;i--;x.fillRect(i*8+j+(i&2),j,W=!j*300|4+i/8,W*9))x.fillStyle=R(v=j*999,v,v,T/j)

May 1 2018 10:08 AM UTC

}// 140/140

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Capitalism poster tribute

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pavel

function u(t) {

for(i=c.width|=p=n=>60*n+(37*n-d)*Math.asin(S(d/n*t));d=i--/98;x.beginPath(x.fill(x.arc(p(16),p(9),2*d,0,7))))x.fillStyle=`hsl(${i},50%,50%`

Dec 1 2020 12:25 AM UTC

}// 140/140

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taupelink

remix of d/26822 by u/taupelink

function u(t) {

eval(unescape(escape`景爨洽ㅥ㌻堽ㄫ䌨津㜪洩ⱙ㵓⡭⩭ⴭ⤻砮晩汬剥捴⠹㘰⩘Ɑ┴⨳㘰⵩⽙Ⱪ⩃⡘⩘⩙⭩⩴⤯琯夯搬洯琯搩⥤㴹⨪琯琪⨮㔬椽津㈵〭津㔰ⱸ⹦楬汓瑹汥㵒⡩⽴⨪夬椯㴱ⵓ⡭ⵘ⩴⤯㈰Ⱪ⼽ㄫ夯㤬⠱⭓⡭╤⤩⽤⤠`.replace(/u([^D].)/g,'$1%')))

Jan 13 2023 2:42 PM UTC

}// 140/140

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d/26827

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magna

remix of d/3427 by u/corruptio

function u(t) {

t?x.drawImage(c,0,0,w=1e3,w,0,0,w,w,x.filter='sepia('):navigator.getUserMedia({video:1},e=>(c=document.createElement`video`).srcObject=e,S)

Oct 31 2017 4:47 AM UTC

}// 139/140

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Note: Just "sepia(" works as a 100% sepia filter. No need for a percentage or to even a closing parenthesis.

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cantelope

function u(t) {

for(x.fillRect(0,0,i=v=(w=250)*9,v);i--;x.clearRect(960+S(i)*w+S(q)*290,540+C(i)*w+C(q)*290,s,s))s=28+C(i-(q=2.1*(i/750|0)+S(t/2)*4)+3.1)*28

Nov 2 2017 6:15 AM UTC

}// 140/140

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Xen

remix of d/3067 by u/tibbifox

function u(t) {

W=c.width=999;v=(X,Y,R)=>[S(Y+t)*C(X+t)*R+500,C(X/t)*C(t-Y)*R+250]
for(i=W;i--;x.lineTo(...v(S(t/W)*i/4,i,i*C(t/9))));x.stroke()

Aug 18 2017 4:45 PM UTC

}// 128/140

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