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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shapes

remix of d/2423 by u/shapes

function u(t) {

r=480;c.width=r*4;λ=0;for(φ=a=Math.PI/1.3;φ>-a;φ-=1/r){λ+=a/9;x.lineTo(C(φ)*S(λ-t)*r+2*r,(C(t=t+φ/r)*S(t)+S(r)*C(φ)*C(λ-t))*r+r)}x.stroke()

Apr 6 2017 2:08 AM UTC

}// 139/140

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u/cantelope

amazing!
u/shapes

Thanks, most credit goes to mxfh though, I'm just fuckin' around with his code to find cool shapes :)

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rodrigo.siqueira

remix of d/28242 by u/rodrigo.siqueira

function u(t) {

for(i=2e4;i--;x.fillRect(960-C(K=S(i*t)**a+3/a-.8)*250*a,540+S(K)*250*a,t<2,a/4))a=(i*i/t)%2-2

Aug 3 2023 10:04 PM UTC

}// 94/140

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Spiral depth

u/cantelope

#shading

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angelnm

function u(t) {

with(x){for(n=7;n--;translate(-j*9,j))for(d=9;d--;){translate(j=216,0)
k=t*d
r=j/2*S(n*10*k)
fillRect(r*C(k),r*S(k),3,3)}translate(0,-j*7)}

Feb 9 2020 12:45 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/31931 by u/thenize

function u(t) {

x.fillRect(x.globalAlpha=.02,0,2e3,2e4)
for(i=2e3;i--;x.clearRect(960+T(K=i*t)**1*(25-S(i)*i),540+T(i/29+3)**2*S(K)*i,2,2))1

May 29 2024 6:23 PM UTC

}// 124/140

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Event horizon #stars

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SockTaters

remix of d/8527 by u/New_Core

function u(t) {

c.width=i=99
c.style.background='#ADE' 
x.font='2em"'
x.fillText("🐟",i-30*(t%5),55)
for(;i--;)x.drawImage(c,i,29,1,40,98-i,0,1,40)

Aug 28 2024 1:23 AM UTC

}// 130/140

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#fish circling

u/SockTaters

fun technique to get backwards emoji
u/thenize

can you make it infinite, great Job!

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Xen

function u(t) {

for(X=i=1e3;i--;x[i%2?'fillRect':'clearRect'](956+956*X,536+536*Y,9,9))X=S((Y=X/2)-C(i-t)*t*i/4e3)

Jan 24 2020 3:48 PM UTC

}// 98/140

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lil play about

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iznax

remix of d/17633 by u/andrea270872

function u(t) {

for(F=f=>f(i/t)*k+k,c.width=900,i=k=450,c.style.filter=`invert(1`,x.strokeStyle=R(C(t)*k,99,S(t)*k),t%=2;--i;x.lineTo(F(S),F(C)));x.stroke()

Feb 16 2020 7:13 PM UTC

}// 140/140

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The Color Pupil (try not to blink)

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magna

function u(t) {

if(!t)for(i=9;i--;)x.fillRect(400+i*100,400,50,200)
c.style.marginLeft=`${S(t)*300*c.offsetWidth/1920}px`

Apr 15 2021 11:46 PM UTC

}// 105/140

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#default but the canvas is moving

u/taupelink

nice
u/Xen

love it!

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lewdev

remix of d/28322 by u/lewdev

function u(t) {

c.width=70;for(i=9;i--;)x.fillRect((i*9)+S(t)*9,9,5,2);x.fillText([36e2,60,1,.01].map(u=>(v=t>=u?~~(t/u):0,t%=u,v>9?v:`0`+v)).join`:`,9,23);

Aug 29 2023 10:36 PM UTC

}// 140/140

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⏲ Running #timer (119b) #clock

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katkip

function u(t) {

c.width^=0;
for(i=0;i<t**2;i++)
x.fillRect(400+i*100-t*t*95,400,50,200*Math.abs(C(i**2+t)))

Sep 1 2018 11:44 AM UTC

}// 91/140

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#default