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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dooncee

function u(t) {

c.width=1920;for(i=0;i<192;i++){for(j=0;j<108;j++){
    x.strokeStyle="blue"
    x.strokeRect(10*i,10*j,5*S(j+t),5*S(i+t))
}}

Jul 10 2025 8:57 AM UTC

}// 125/140

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Cross your eyes, and get hypnotized!

u/s1wc

hey this isnt gonna woszxna tybhazyhbGTGAgyh7utb68 vjcfcdexs

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Xen

function u(t) {

x.ellipse(999,Z=500,t*Z%Z,t*Z%Z,t,1,7);x.stroke()

Dec 12 2017 5:47 PM UTC

}// 49/140

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49byte ellipse test

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jpthinker

function u(t) {

c.width|=0
x.fillRect(0,0,2e3,2e3)
for(i=1e3;i--;)
r=150,X=960+S(i)*S(t*2)*r,Y=540+C(i)*r,x.fillStyle=`hsl(55,99%,50%`,x.fillRect(X,Y,20,20)

Sep 16 2024 1:33 PM UTC

}// 140/140

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Spinning gold ring

u/jpthinker

I wanted to shade this, so that the half of the ring further away would be darker, but I couldn’t quite figure it out.
u/lewdev

I tried. I'm not sure if it's very good. d/32457
u/jpthinker

That's just what I was trying to do! I will study that up well. Thanks u/lewdev !

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jeff

function u(t) {

c.width|=0
for(i=2e3;i--;x.fillRect(C(i+i*i)*C(i*i)*900+900,T(i/7)*500+500,99,99))
x.fillStyle=`hsl(${i&999},99%,${(.95+S(i+t))**15+40}%)`

Apr 27 2019 10:58 PM UTC

}// 138/140

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Submission #5

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taupelink

remix of d/35385 by u/taupelink

function u(t) {

for(i=z=1440,k=120;i--;x.fillRect(i%16*k,m*k,k,k))m=i>>4,x.fillStyle=R(r=257-(z&=(m*z+t/15+9*z)%8)**2*4,r,r,r**-.5),z=8+8*C(z-t/25*C(z+i))

May 21 2026 4:45 AM UTC

}// 138/140

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d/35411

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jackal807

function u(t) {

k=255,a=Math,y=a.random,z=(h)=>y()*h+1,r=(z(k*9)),v=(z(k*5));x.beginPath();x.arc(r,v,z(k),0,2*a.PI);x.fillStyle=R(z(k),z(k),z(k));x.fill();

Feb 27 2017 8:29 AM UTC

}// 139/140

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u/iverjo

This could serve as screensaver

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dan_cat

function u(t) {

c.width=500
x.fillStyle="#000000";
x.fillRect(0,0,500,500);
for(i=0;i<25;i++){
x.rotate(S(t));
x.fillText('aja', 10*i, 10*i);
}

Sep 18 2018 11:10 AM UTC

}// 127/140

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atgz

remix of d/8888 by u/atgz

function u(t) {

for(c.width|=i=256;i--;){
x.fillRect(960+2*i*C(t--+i*.979),512+S(t---i-t-t---t---t)*i*2,i/9,i/9)
}

Jul 18 2018 8:13 PM UTC

}// 98/140

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New_Core

function u(t) {

x.beginPath();x.strokeStyle=R(0,a=255*(t%1),a);x.ellipse(960,540,b=99+9*S(a=t*9),b*.9,t,0,7),x.stroke();x.drawImage(c,-5,-3,1920+10,1080+6)

Dec 11 2016 10:20 AM UTC

}// 139/140

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u/iverjo

Spectacular! I want to make a remix of this
u/lionleaf

Amazing!
u/13thptr

#tunnel

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sandromiccoli

remix of d/5661 by u/sandromiccoli

function u(t) {

for(i=0;i<88*(t%9);i++){x.fillStyle=R(0,0,0,Math.random()/25);s=t%4.735*100;x.fillRect((i%2?635:1285)+C(p=t/10+i)*C(t)*s,540+S(p)*(s),5,5)}

Jan 6 2018 10:26 PM UTC

}// 139/140

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u/magna

Very pretty!
u/sigveseb

a pair of eyes?
u/sandromiccoli

started being a vulva ( d/5643 ) but then i saw a cat