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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384.cz

remix of d/29322 by u/384.cz

function u(t) {

I=new ImageData(f=c.width=256,f)
for(i=2e5;i--;)I.data[i]=i%4==3?f:C((t+i/f/f|i/f)*22/14)*f/(i%4);
x.putImageData(I,0,0)

Jan 27 2024 10:44 AM UTC

}// 120/140

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#dungeon

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danny@hille.dk

remix of d/20618 by u/danny@hille.dk

function u(t) {

for(c.width=433,p=1;p++<6;)for(i=400;i--;)x.fillStyle=`hsla(${p*t*5},99%,50%,.4`,x.fillRect(i,m=C(i/(9*p+96)+t)*p*S(+p+S(i/66))*9+57,1,m)

Nov 16 2020 9:55 PM UTC

}// 137/140

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u/ciaccodavide

Smooth!

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WasifBoomz

function u(t) {

if(t==0)a=b=c=0
c+=t
if(c>5){c=0
a+=60}
if(a>1920){b+=60
a=0}
x.lineWidth=t*5
x.rect(a,b,50,50)
x.stroke()
x.fill()
x.fillStyle="blue"

Apr 11 2019 3:34 PM UTC

}// 135/140

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New_Core

function u(t) {

a=c.width=240;while(a--)x.fillStyle=R(s=70+99*S(a+60*S(b=t+a*.01)+t),s+80*C(b),s+80*S(b),1),x.fillRect(a,0,1,152);

Oct 27 2016 7:52 PM UTC

}// 114/140

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rodrigo.siqueira

remix of d/29795 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
x.reset();x.translate(960,540)
for(Y=p=i=190;i--;x.rotate(0.06614),x.fillRect(0,p+Y/5,3,Y*Y))Y=S(i/3+t)*530-S(i)*88

Apr 16 2024 3:03 PM UTC

}// 140/140

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5-star rotation

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Shasoelsoh

function u(t) {

c.width=1920
x.fillRect(800+T(t)*200,400,200,200)

Mar 13 2022 3:35 PM UTC

}// 49/140

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Tan Slide Effect

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tzador

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++){
X=400+i*100+S(t)*300
D=(800-X-25)/100
O=1/(1+D*D)*300
x.fillRect(X,400-O,50,200+O)
}

Feb 11 2025 11:51 AM UTC

}// 135/140

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#default

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taupelink

remix of d/35708 by u/taupelink

function u(t) {

for(i=z=4e3;i--;x.fillRect(320*t,i/3,z+=9+9*C(z*C(z+t/z*4)+i/r),.5))x.fillStyle=R(r=320-(z=9+7*S((z+2*S(z/2+t)^i/z/6)/12))**6/2e4,r+8*z,r*z)

Jun 30 2026 12:33 PM UTC

}// 140/140

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d/35747

u/Axioplase

Damn.... Looks like a frozen rocky mountain.
u/rep_movsd

Looks like some dam and bridge being built inthe Himalayas

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afs

function u(t) {

d=t<3.8&&-t*200*t;x.strokeRect(550+(S(t)*(-600+C(t)))*-3,900+(C(t/6)*(50+C(t)*9000+S(t)*30))*.2,d*200,d*200);x.rotate(t/3000)

Oct 3 2019 9:53 AM UTC

}// 125/140

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JonasPeeters

function u(t) {

c.width=998;x.moveTo(499,280);q(10,0,499,280);x.stroke();function q(l,a,m,n){x.lineTo(d=m+S(a)*l,f=n+C(a)*l);if(l<1000){q(l+10,a+t/10,d,f)}}

Dec 28 2017 12:07 PM UTC

}// 140/140

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Wait for it.

u/mohd-akram

Beautiful.