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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Current theme challenge: #Food

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DaSpider

function u(t) {

c.width|=0,x.font="65em s"
x.fillText(String.fromCodePoint(~~(0x13000+10*t%100)),500,880)

Feb 13 2020 8:06 PM UTC

}// 89/140

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Hieroglyphs - Unicode hidden gems

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tylertoomey

function u(t) {

t?B=0.02:X=Y=A=255;x.fillRect(0,0,2e3,2e3,x.fillStyle=R(0,0,0,B)),x.fillRect(X,0,A,1280,x.fillStyle=`hsl(${X/20},100%,60%`,X=800+C(t)*857)

Jan 11 2020 5:29 PM UTC

}// 140/140

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pseudo trails / blur by additively drawing a semi-transparent rect over the canvas every frame. change the value of 'B' to increase / decrease 'trail' length

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joeytwiddle

function u(t) {

for(c.width|=i=0;i++<30;x.fill())x.beginPath(s=20+i*6),x.arc((19**i%2e3)+S(t+i)*s,1500-(3*s*t%2e3),s,0,7),x.fillStyle=`hsl(${79*i},90%,65%)`

Aug 13 2018 5:51 AM UTC

}// 140/140

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Happy Birthday! :-)

Show more comments…
u/fujimotos

#balloon #colorful
u/katkip

lol actually is my birthday xd
u/katkip

lol actually is my birthday xd
u/katkip

wtf
u/katkip

wtf
u/katkip

#bug
u/Lazy1337

probably just lag

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katkip

function u(t) {

c.width^=0;for(i=0;i<77;i++)for(j=0;j<44;j++)x.fillStyle=`hsla(${i+t*99+j},99%,50%)`,x.fillRect(i*25,j*25,25,25)

Sep 22 2018 4:50 PM UTC

}// 112/140

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#rainbow

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taupelink

remix of d/26784 by u/taupelink

function u(t) {

r=Math.random;for(i=1e4;i--;x.fillRect(160*X,Y**3.2,X&1?h>.01:h<-.01,!(Y%3*h&1)))X=r(Y=r()*9)*12,h=S(Y*(X&2)+(X-X*X/12-2|0)*C(Y/2))/3-X%1+.5

Jan 17 2023 3:43 AM UTC

}// 140/140

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d/26846

u/taupelink

Prompt: Sine waves. #genuary #genuary15 #genuary2023

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ciaccodavide

remix of d/20397 by u/ciaccodavide

function u(t) {

h=(c.height=1920)/2
x.lineWidth=8
k=Math.PI*2/h
for(s=h;s--;){
x.beginPath()
x.arc(h,h/2,180+s/10-(t*42)%80,t+(s-1)*k,t+s*k)
x.stroke()
}

Oct 26 2020 1:31 PM UTC

}// 137/140

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Stepping Spiral Starter

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46uuuu

function u(t) {

x.strokeStyle=R(t*9,0,t*4)
x.strokeRect(t,t,t*(1920/1080*100),t*100)

Jun 9 2026 5:37 PM UTC

}// 68/140

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If you put an awesome on this dweet, you may be lucky (not guaranteed, but may be) #luck

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mxfh

remix of d/22456 by u/mxfh

function u(t) {

d=x.getImageData(0,0,w=c.width=128,w)
d.data.forEach((v,i,A)=>A[i]=(i%w>>2^(i>>9)+t*30)%(3+i%4)*w)
x.putImageData(d,0,0)

Apr 12 2021 10:09 PM UTC

}// 120/140

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KilledByAPixel

remix of d/33030 by u/KilledByAPixel

function u(t) {

B=t?[...A]:A=[]
for(c.width=w=256,k=4e4;k--;x.fillRect(i=k%w,j=k>>8,1,A[k+F(n=i>>3^j>>3)+F(n+w)*w]=t?B[k]:A[k]=k%2))F=F=>S(F^t/2+n/9)>0?-1:1

Jan 6 2025 7:00 PM UTC

}// 140/140

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Pixel Factory ‍🏭

u/jasnh

with frequent accidental gog ads

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taupelink

remix of d/22648 by u/taupelink

function u(t) {

x.globalCompositeOperation='hue';for(i=60;i--;x.fillRect(X=e*f%2e3,X*f%1e3,5e5/e/e>>t,e>>t))f=97*i*t,x.fillStyle=R(e=f*f%110+60,e**.98,e*.7)

Apr 27 2021 8:43 PM UTC

}// 140/140

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d/22649