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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veubeke

remix of d/21883 by u/BackendForth

function u(t) {

onmousemove=e=>{for(R=c.offsetWidth/(i=c.width^=0);i-=64;)for(j=1080;j-=54;x.fillRect(i-p/r,j-q/r,9,9))r=Math.hypot(p=e.x/R-i,q=e.y/R-j)/99}

Mar 11 2021 8:29 PM UTC

}// 140/140

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Mouseover, please! (fullscreen fix)

u/Xen

nicely done
u/BackendForth

Cool!

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butcherfly

function u(t) {

p=Math.PI
for(i=0;i<30;i++){
s=S(t%1.4*i)
x.fillStyle=R(255,s*255,s*100)
x.beginPath()
x.arc(960, 810, 1250-40*i, p-0.3, 2*p+0.3)
x.fill()
}

Feb 15 2019 1:51 PM UTC

}// 140/140

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smallphil

function u(t) {

c.width|=0
x.globalCompositeOperation='xor'
x.translate(960,540)
x.scale(.2,.2)
for(i=0;i<18;i++){x.rotate(t*.3)
x.fillRect(0,0,500,800)}

Dec 27 2017 9:20 PM UTC

}// 137/140

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KilledByAPixel

remix of d/28311 by u/KilledByAPixel

function u(t) {

with(x)for(fillText('LOVEBYTE',globalAlpha=.1,860,1920),j=2e3;r=j--/(j%(t/99+4));font='9in impact')clearRect(C(j)*r+960,S(j)*r+540,r/=50,r)

Jan 12 2024 3:39 PM UTC

}// 139/140

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Lovebyte 2024 February 9-11 ❤️ https://lovebyte.party

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taupelink

remix of d/26541 by u/taupelink

function u(t) {

eval(unescape(escape`景爨洽㉥㌻洭ⴻ砮晩汬剥捴⡭┹⨲㐰⬲㐰⩓⡭⤭焪䌨㐪津琩Ⱘ派㸳⤥㤪ㄳ㔭焪匨津㤪洫洩Ɑ⽴⨪琪䌨洪洫洩ⱱ⼸⩴⤩砮晩汬却祬攽刨椽津㈵〫㌰Ⱪ⨽ㄭ䌨津琪椩⽴Ⱪ⼽ㄭ匨洪洭琪琩⽴Ɑ⽩⽩⩴⤬焽洯琪⩴`.replace(/u([^D].)/g,'$1%')))

Dec 2 2022 3:10 AM UTC

}// 140/140

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d/26545 another abstract landscape if you #waitforit

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andrea270872

remix of d/24763 by u/KilledByAPixel

function u(t) {

t*=60
for(j=h=135;--j;)for(i=w=240;--i;)
x.fillRect(i+t%8*w,j+(t>>3)*h,1,S((99*i*j)/t%3))

Jan 14 2022 4:40 PM UTC

}// 89/140

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fiddling with the textures

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katkip

remix of d/11900 by u/katkip

function u(t) {

f=(X,Y,s)=>{if(s>200-t*999)x.beginPath(),x.moveTo(X,Y),N=X+C(s*s)*50,M=Y+S(s*s)*50,x.lineTo(N,M),x.stroke(),f(N,M,s-1)}
f(460,440,200)

Jan 20 2019 1:16 PM UTC

}// 134/140

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This is satisfying to watch #recursion

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katkip

function u(t) {

eval(unescape(escape`𪑦𚀡𭀦𙠨𥀽𫁯𨱡𫁓𭁯𬡡𩱥𦰢𭁣𫐢𧐩🐽𭑮𩁥𩡩𫡥𩀩𮱔👛𧐻𩡯𬠨𪰽𜀻𥀮𫁥𫡧𭁨🀲𝐶𞱫𚰫𚑔𛡰𭑳𪀨𨁨𬱬𚀤𮰲𝀰𛑫𚡫𚡫𛰨𪰪𚠱𛠹𞐩𚠨𤰨𪰯𞐩𛱫𚱫𛰨𪰫𪰯𞐩𚑽𛀤𮰱𜀰𛐵𜀪𤰨𪰯𜠱𛐱𛠶𚑽𙐬𙁻𝀵𛑫𛰹𞑽𙐩𨀩𯐠`.replace(/uD./g,'')))

Aug 24 2019 8:18 AM UTC

}// 127/140

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Turbo colormap. Use localStorage["tcm"] (256 elements array)

u/katkip

Add localStorage.tcm = T; for (i in T) x.fillStyle = T[i], x.fillRect(i*5,0,5,2e3)
u/mildlybean

Cool!

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ciaccodavide

remix of d/21648 by u/Pascal

function u(t) {

for(c.width|=i=w=960;i--;x.fillStyle=R(i),x.fillRect(w+w*(3*C(U)+C(V=i/1.752-t))/Z,w-(S(U)+C(V)*T(V)-2.5)/Z*w,s=(8/Z)**5,s))Z=S(U=i+1.1*t)-5

Feb 12 2021 9:01 AM UTC

}// 140/140

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c2k

function u(t) {

for(i=0;i<1920;i+=1){x.fillStyle=`hsl(${S(i*15*t)*t*100} 100% 50%)`;x.fillRect(i,0,15,15)}x.putImageData(x.getImageData(0,0,1920,1080),0,10)

Apr 18 2024 4:28 AM UTC

}// 140/140

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had to sacrifice some first-borns to get it small enough to fit in a dweet D:

u/Xen

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