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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rodrigo.siqueira

remix of d/29814 by u/katkip

function u(t) {

c.style.background='#0f7';c.width=900;for(n=4e3;n--;)x.lineTo(450+S(n*94.9+t/6)*450,250+C(n)*79*(4+S(t*8+n)/2));x.fill()

Apr 22 2024 1:51 PM UTC

}// 120/140

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Grid

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Cloud

remix of d/17628 by u/Cloud

function u(t) {

c.style.filter=`blur(9px)contrast(90)`
for(c.width|=i=9;i--;)
x.arc(960+300*S(t+i),490+300*C(t+i/.6),150,0,6),x.fill()

Feb 18 2020 12:36 PM UTC

}// 118/140

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#blackmatery

u/aleamb

amazing! very #organic
u/13thptr

#metaballs
u/vain

nice blur trick to get this amazing blob like effect

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Xen

remix of d/13898 by u/mtheisen

function u(t) {

for(a=w=c.width|=0;a-=40;)
for(b=w;b-=30;)x.fillRect(a,z=99*C(.9*a**(S(t/9)/3))+b-200,99,2)

May 17 2019 6:45 PM UTC

}// 91/140

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#waitforit #moire #trippy

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GandalfUFR

function u(t) {

z=3*Math.random();x.fillStyle=`hsl(${120*z},99%,66%)`
for(i=9;i++<444;){a=640*z*C(i);b=360*z*S(i);x.fillText(t,960*z+a,540*z+b);x.rotate(z)}

Apr 26 2019 9:59 PM UTC

}// 140/140

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Sun burning hot ...

u/joeytwiddle

#sun

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radar65

function u(t) {

c.width=1920; /* clear the canvas */
  for(i=0;i<9;i++)
  x.fillRect(500+i*200+S(t)*300, 400, 50, 200) /* draw 50x200 rects */

May 24 2017 5:36 PM UTC

}// 126/140

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CaptainMeat

function u(t) {

for(y=0;y<2e3;y++){x.fillRect(100*t,y&100*t,2,2)
x.fillRect(2e3-(100*t),y&100*t,2,2)}

Feb 22 2024 7:19 PM UTC

}// 85/140

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double sierpinski

u/Joachim

-30 char: for(y=4e3;y--;x.fillRect(y<2e3?1920-T:T,y&T,2,2))T=t*99

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joeytwiddle

remix of d/33393 by u/geeknik

function u(t) {

for(i=9e3;i--;)x.fillRect(960+S(t+i/9)*C(i/50)*i/5,540+C(t-i/9)*S(i/49)*i/5,i/99,i/99,x.fillStyle=`hsl(${i+t*9},99%,66%,.01)`)

Mar 2 2025 9:46 PM UTC

}// 126/140

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u/Odog8

very trippy
u/geeknik

<3 Awesome remix

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rodrigo.siqueira

remix of d/24662 by u/rodrigo.siqueira

function u(t) {

c.width|=0
for(m=710;m--;x.stroke())X=C(m+t),Y=T(m)*2,x.beginPath(),x.arc(360+600*++X,540+140*Y++,120/(1.5+S(Y-t*5)),0,7)

Jan 3 2022 12:49 PM UTC

}// 121/140

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Falling bubbles

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katkip

remix of d/16132 by u/katkip

function u(t) {

if(!t)x.translate(q=960,540);x.fillStyle='#fff4';for(i=345;i--;c.style.background='#102')x.fillRect(S(i*i)*i*t,i*C(i*i)*t,5,5)

Oct 16 2019 12:21 PM UTC

}// 126/140

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Big bang #space

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rnbw

function u(t) {

if(t<.1){s=5}else{s=-s*.986}if(t<.15){x.fillStyle=''}else{x.fillStyle='#eef'}x.fillRect(0,540+s*9,1,1);~~(t/4)||x.drawImage(c,3/t*6-s-8,s*9)

Dec 14 2018 5:59 PM UTC

}// 140/140

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perforated metal