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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lazyguyy

function u(t) {

                       t*=6.27;a=(2+C(5*t));b=a*S(3*t);a*=C(3*t);x.fillStyle=R(a*100,b*100,255-a*100);x.fillRect(960+a*280,540+b*170,15,15)

Jun 12 2018 2:51 PM UTC

}// 139/140

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simple colorful torus knot

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acnologia

function u(t) {

c.width=1920;for(i=0;i<1920/50;++i){for(j=0;j<c.height;j+=50){x.beginPath();x.arc(i*50,j,(S(i*t+j*t/100)+1)*9,0,Math.PI*2);x.fill();}}

Apr 14 2018 11:37 AM UTC

}// 134/140

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henrosaurus

function u(t) {

c.width|=f=20;p=400
for(i=f;i--;)
x.arc(f*S(t)+p*2,f*i*S(t)+p,Math.abs(f*i*S(t)*2),f*C(t),S(t*i),true)
x.lineWidth=9
x.stroke()

Jun 14 2019 4:13 PM UTC

}// 127/140

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tunnelblick

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khalkeus

function u(t) {

w=960;h=540;c.width=w*2
for(i=0;i<99;i++){for(j=0;j<99;j++){
x.fillRect(S(i-j)*C(t+j)*w+w,S(i+j)*S(t+j)*h+h,5,2)}}

Feb 24 2017 10:38 PM UTC

}// 114/140

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u/Purpzie

Shaved off 12 characters: for(c.width|=a=0;a<9801;)x.fillRect(S((i=0|a++/99)-(j=a%99))*C(b=t+j)*960+960,S(i+j)*S(b)*540+540,5,2)

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New_Core

function u(t) {

for(c.width|=i=4;i--;x.fillText("ZOOM|DWITTER|BETTER|A".split('|')[0|i],960,540+Z*12))Z=5**T(i*.8+t/6),x.textAlign="center",x.font=Z+"cm'"

Jun 28 2019 9:36 AM UTC

}// 139/140

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u/Xen

nice
u/katkip

nice

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tem

remix of d/32313 by u/tem

function u(t) {

for(i=c.width|=2e3;i--;c.style.filter=`invert(`)x.fillStyle='#'+i,x.fillRect(1e3+(j=t+i*1.221)*S(j)/2,540+j*C(j<<1)/2,s=i/69,s)

Sep 1 2024 5:29 AM UTC

}// 127/140

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Symmetrical flows

u/tem

Again, it not a loop

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KilledByAPixel

remix of d/29273 by u/KilledByAPixel

function u(t) {

c.width|=f=w=>(m=i%9.3*99*(i+t)%w)>w/2?w-m:m
for(i=9;--i;)for(A=f(3822)-X,B=f(2142)-Y,j=300;j--;)x.fillRect(X+=A/300,Y+=B/300,9,9)}{X=Y=0

Jan 7 2024 10:13 PM UTC

}// 137/140

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Mini Screensaver 🖥️

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smtsjhr

function u(t) {

for(c.width|=a=6;a<12.28;a+=.001)x.fillRect(960+(r=-210*(1+S((a)))*(1+.9*C(8*a))*(1+.1*C(24*a))*(1+.05*C(200*a+99*t)))*C(a),960+r*S(a),8,8)

Dec 25 2020 6:53 AM UTC

}// 139/140

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i don't even smoke weed

u/Xen

420

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rodrigo.siqueira

remix of d/28123 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=1e5;i--;x.fillRect(960+C(K=i+2/T(i/3)+1/a-0)*1e3*a,540-S(K)*800*a,(t<1)*a,a+.04/t))a=(i*i*t+25*t/i)%2-2

Jul 13 2023 11:31 PM UTC

}// 134/140

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Double Spiral #spiral

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KilledByAPixel

function u(t) {

for(i=w=2e3;i--;x.arc(290+t*4e4,540,F(p=i/w*(t*60+3))+F(p+.5)/2,a=i/318,a))F=z=>2*(1e4-(z%1*200-99)**2)**.5
x.beginPath(x.fill())

Mar 18 2026 4:42 AM UTC

}// 129/140

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Happy St Patty's Day 🍀 #clover