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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sigveseb

function u(t) {

c.width=1920;x.fillStyle='pink';for(i=0;i<1920;i++)x.fillRect(900 + Math.sin(t + i / 50 * Math.sin(t)) * 100,i,120,10)

Jan 8 2016 1:43 AM UTC

}// 118/140

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andrea270872

function u(t) {

eval(unescape(escape(`挮睩摴栽㠰ぼ砮扥杩湐慴栨伽嬲㜬㈹ⰲ〬㈳ⰲ㤬㌸ⰳ㤬㐰ⰴ㉝⹳潲琨渽㹓⡮⩾繴⤩⤻景爨椠楮⁏⥸⹬楮敔漨堽佛楝┹⨹㤫吨椩⨹ⱙ㵾繏孩崪㤫吨椩⨹⤬砮晩汬剥捴⡘ⴴⱙⴴⰹⰹ⤻砮獴牯步⠩`).replace(/u(..)/g,'$1%')))

Feb 12 2020 7:01 PM UTC

}// 133/140

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(fixed) sorry.

u/andrea270872

Constellation generator #compressed

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rodrigo.siqueira

function u(t) {

!t&&(c.outerHTML=`<b contenteditable onInput=localStorage.T=this.innerHTML>${localStorage.T||"Text editor. Type here, content is saved."}`)

Jun 3 2020 4:26 PM UTC

}// 139/140

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Text editor with auto-save. Type and reload (or come back later). Your edits are stored in this Dweet.

u/rodrigo.siqueira

Shortcuts: control-b (bold), control-i (italic), control-u (underline). You can even paste html in this Dweet.
u/katkip

wow
u/rafroller

So cool ! Nice use of localStorage :)
u/sigveseb

Cool, didn't know that you could do bold, italics etc like that in contenteditable

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DirtyDan

function u(t) {

a=540
for(i=0;i<a;i+=10)
for(j=0;j<a;j+=10)x.fillStyle=`hsl(${j/a*i},100%,50%)`,
x.fillRect(960+i*C(t*i/300),540+j*S(t*i/300),5,5)

Feb 13 2018 8:40 PM UTC

}// 130/140

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tomxor

remix of d/18062 by u/tomxor

function u(t) {

for(a=t?b:[1],b=S,S=[],x.drawImage(c,0,4),p=480;p--;x.fillStyle=S[p]?R():'tan',x.fillRect(p*4,0,4,4))
A=a[p],B=b[p],S[p]=A^C,C=B^C

Mar 25 2020 8:14 PM UTC

}// 130/140

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KilledByAPixel

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𨡡𨱫𩱲𫱵𫡤🐧𘰶𡁆𙰻𭀿𨠽𘑢𞡡👢👱🐱𝐲𜰻𭱩𭁨𚁸𚑢𩑧𪑮𤁡𭁨𚁦𪑬𫁓𭁹𫁥👢🰧𘰳𜰳𙰺𙰣𝰷𝰧𚐬𫁩𫡥𥁯𚁔𛑴𚠱𩐴𛁨🐱𞀰𜀩𛁡𬡣𚁔🐱𩐳𛁨𛁱𛁡𛁡𚐬𭀼𛠴𙠦𩡩𫁬𚁡𬡣𚁔𛁨𛁱𚰽𜰰𚡓𚁱𚠪𝀩𚰨𨠿𛐹𞐺𞐹𚐬𨐫🐮𜠫𛠱𚡓𚁱𚡱𚐬𨐩𚐻`.replace(/u../g,'')))

Sep 21 2019 4:34 PM UTC

}// 140/140

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Mountain ~ Inspired by https://codepen.io/kylewetton/full/oNvEXYM

u/DataMeta

#wallpaper

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MrM@_S

function u(t) {

t||new BroadcastChannel(2).postMessage(escape`瑼簨堽嬬Ⱜⱝ⹦楬氨嬱ⰰⰰⰰ崩Ɐ湫敹異㵱㴾筦潲⡗㵘Ⱪ㴴㭩ⴭ㭱⹷桩捨ⴳ㝞楼簨堽堮浡瀨樽㸨伽昽㹪㵪⹳潲琨愽㸮㔭愩⤨伨⤮浡瀨⡥Ɫ⤽㹥☦攽㵪孢⬱崦☨橛戫ㅝ帽橛扝⬫⤩⤩⤩堽堮浡瀨⡫ⱬ⤽㹫⹭慰⠨測漩`)

May 21 2018 9:43 PM UTC

}// 140/140

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nonce

remix of d/2330 by u/mxfh

function u(t) {

with(x)font='9em sans-serif',fillStyle=`hsl(${S(t*8)*180},90%,${t%.3<.1?70:0}%)`,fillText('П',905,560),drawImage(c,-20,-10,1960+S(t),1100)

Mar 28 2017 7:03 PM UTC

}// 138/140

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u/donbright

font='9 em sans' also works :)
u/nonce

@donbright great tip!
u/cantelope

'9em x'' seems to do the same thing as '9em sans' ¯\_(ツ)_/¯
u/donbright

this reminds me of an old carnival ride in my home town, it was called Phantasmagoria, no longer in operation, but you would ride thru tunnels of glowing pillar-gates. good times. nice job

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rodrigo.siqueira

remix of d/14486 by u/rodrigo.siqueira

function u(t) {

if(t<18){Y=S(t)*999,X=t*Y
for(i=7e3;i--;)ℵ=Y,Y+=S(Y+X),X+=ℵ,x.fillStyle=R(Y*60,i/55,t*8),X%=τ=Math.PI*2,Y%=τ,x.fillRect(X*310,Y*330,1,1)}

Jun 7 2019 8:14 PM UTC

}// 137/140

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Phase-space of the Standard Map - color version. It is constructed by a Poincaré's surface of section of the kicked rotator, as described here: https://en.wikipedia.org/wiki/Standard_map

u/Xen

love it!

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Irratix

function u(t) {

//EPILEPSY WARNING
for(i=c.width|=0;i-=.5;)x.fillRect(960+500*T(33*i+t/5),540+500*S(24*i+t/7),430,5)

Oct 11 2019 9:50 PM UTC

}// 100/140

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I decided to put the epilepsy warning in a comment for some reason. Just wanted to mess around with a parametric function, drawing as long lines I thought looked kinda trippy.