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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rubynorails

function u(t) {

t||($=document.createElement((〱=atob)`dmlkZW8=`),$[〱`c3Jj`]=〱`Ly9iaXQubHkvMmxBeXV0Two=`,$[〱`cGxheQ==`]``);x.drawImage($,0,0,1920,1080)

Jan 1 2018 7:26 PM UTC

}// 134/140

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xem

function u(t) {

x.font="99px a";
for(i=999;i--;)x.fillText("🕷",1870/2+C(i+t)*t*9*3/i+9*Math.random(),1030/2+S(i+t)*t*9*3/i+9*Math.random())

Dec 31 2017 10:37 AM UTC

}// 123/140

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Cobweb challenge entry :p

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Jezza

function u(t) {

c.width=w=1920;x.translate(625,-1e4);x.rotate(-S(t)/30);for(i=0;i<9;i++)x.fillRect(-125+i*100,10400,50,200)

Apr 7 2019 9:40 AM UTC

}// 107/140

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#default

u/donbright

hahaha ... took me a minute to get it

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Xen

remix of d/15455 by u/mildlybean

function u(t) {

v=b=k=n=.9+C(t)/9;for(c.width|=i=1e3;i--;)x.fillRect(960+(q=S(e=t*v+i*b)*(y=(i*k)**n)),540+(w=C(e)*y),r=(q**2+w**2)**.5*.09+7,r)

Aug 21 2019 12:13 AM UTC

}// 128/140

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Had to play

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taupelink

remix of d/31959 by u/taupelink

function u(t) {

g=n=>((((X/n%4-2)**2+(Y*n/4%4-2)**2-3)**2-6-i%2)**2-16)**2>>7&63;for(i=2e4;i--;x.fillRect(24*X,24*Y,t<8,g(1)+g(4)==g(2)))X=i*i*t%80,Y=X*i%45

Jun 8 2024 10:53 PM UTC

}// 140/140

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d/31976

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dimonb

function u(t) {

c.width|=w=666;
h=666;
a=w+w*S(t)/6;
b=h+h*C(t)/6;
with(x)font='6em Arial',fillStyle='#666',fillText('BILLING 666',a,b)

Mar 15 2017 7:28 PM UTC

}// 119/140

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ocasta181

remix of d/187 by u/ocasta181

function u(t) {

w=c.width=99;for(i=1;i++<9999;)X=i%w,Y=1|i/w,M=X-32,B=M+9*T(i),N=M*w*T(t),V=Y/16,1/(B*B+V*t+T(t*15)*9)+Y/(N*N+V*V)>.01&&x.fillRect(X,Y,1,1)

Jun 20 2016 12:24 AM UTC

}// 139/140

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KilledByAPixel

function u(t) {

c.width+=0;for(i=1e3;i--;)X=Y=Z=10,X/=S(T(T(S(S(S(Z+=T(Y/=C(C(C(C(X=C(S(3/Y)+i))/6)*Z)+X)))-32)*t))+i)/22),x.fillRect(1*X+960,1*Y+469,Z,Z);

Apr 4 2019 5:32 PM UTC

}// 139/140

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Create by my random dweet generator.

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dodecahedron

function u(t) {

c.width+=0
x.beginPath()
for(i=j=~~t+2;i--;x.lineWidth=10)x.lineTo(900+400*S(o=2*3.14/j*i),500+400*C(o))
x.closePath()
x.stroke()

Oct 10 2023 3:07 PM UTC

}// 129/140

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Shapes and Shapes and Shapes

u/danny@hille.dk

it you want a filled Ngon you can golf it a bit more for(c.width|=i=j=t+3|0;i--;x.fill())x.lineTo(900+400*S(o=6.28/j*i),500+400*C(o))

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jpthinker

function u(t) {

eval(unescape(escape`󩭯󬬨󪼽󪜽󝜷󝬻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚍩󙜳󜬪󝬰󛌨󪜾󟬵󚜪󝬰󛌵󜌬󝜰󚜩󒭸󛭦󪝬󫍓󭍹󫍥󟝠󪍳󫌨󙍻󜜵󜌫󪜯󪼪󝌰󯜬󞜹󙜬󝜰󙝠󒭦󫽲󚍫󟝩󟜱󜼰󞽩󛜭󞽸󛭦󪝬󫍒󩝣󭌨󜭥󜼭󠼨󪜪󜬯󪼩󚬱󝜰󜌬󤼨󪜪󜜮󝜯󪼩󚬱󩜳󛌹󛌲󜌰󚜩󒭸󛭦󪝬󫍓󭍹󫍥󟝒󚌲󜌰󛌰󛌹󞜩`.replace(/u../g,'')))

Aug 17 2025 12:21 PM UTC

}// 135/140

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Clean

u/jpthinker

#static