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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farter

function u(t) {

c.width=16;c.height=9;s=n=>(S(n)+1)/2*255;for(i=16;i--;)for(j=9;j--;){x.fillStyle=R((s(t+i)),(s(t+j)),s(t));x.fillRect(i,j,1,1)}

Mar 4 2017 8:22 AM UTC

}// 128/140

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play with zooming artifact depending on browser canvas implementations

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KilledByAPixel

function u(t) {

with(x)for(save(restore(t|=0)),fillStyle=R(t%2*T,i=T=2e3,!t*T),t&&beginPath(clip(arc(640+25**t,540,440,0,9)));i--;)fillRect(i*18+t*9,0,9,T)

Jun 16 2021 4:39 AM UTC

}// 139/140

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Real Yellow vs Fake Yellow 🟡 #illusion

u/KilledByAPixel

inspired by https://twitter.com/AkiyoshiKitaoka/status/1…

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KilledByAPixel

remix of d/25916 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󪌽󪜽󮜽󫼽󝝥󜼻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚍩󛌲󝜵󚽴󚬶󜌭󚍴󟽩󟽹󚼽󫼽󬬼󜬿󬬭󜜺󫼭󮜯󪌺󜌺󮜽󚌱󩜳󚭩󛝩󚭩󛜲󩜵󚜪󚬮󝜩󛍩󟽴󚭴󙜹󟌮󜬦󮜾󜌺󪌬󪜿󜬪󮜺󛬷󚜩󬬽󭌪󪜪󚬳󙜲󞌬󮌮󩭩󫍬󤽴󮝬󩜽󨍨󬽬󚌤󮽴󟽩󟽴󚬷󞬱󞜰󞬵󜍽󘌤󮽴󟼹󚽴󚬹󞭨󯜥󙍻󪜿󝬰󛝴󚬴󞬷󜍽󙝠`.replace(/u../g,'')))

Aug 3 2022 11:30 PM UTC

}// 140/140

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Island Sunrise 🌅 #landscape

u/magna

Very nice colours!
u/KilledByAPixel

thanks!
u/Joachim

#waitforit #slowrender #slowdraw #scene #sunrise
u/vain

Very nice. Impressive work (like the trick how the image and reflections are created)
u/Xen

epic af

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sawaxon

remix of d/1621 by u/sawaxon

function u(t) {

c.width=1920;for(j=1;j<10;j++)for(i=1;i<190;i++)x.fillRect(900+C(i)*400,500+S(i)*6*S((t+20)*5*j/50)*70,21,4);

Feb 28 2017 8:29 PM UTC

}// 109/140

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New_Core

function u(t) {

q='😁🎆🍹💎'
eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨𯀽𪐽𝠵𜀬𩡯𫡴🐢𝑣𫐧𘠬𩡩𫁬𥁥𮁴𚁛𛠮𛡱𧑛𚁴𛰶𛠳𯀰𚐥𝁝𛀰𛀱𞀰𚐻𪐭𛐻𚑷🐴𜀰𚠪𠰨𭀩𛁄👧𩑴𢑭𨑧𩑄𨑴𨐨𨐽𪐥𜠶𚠹𛁢👩𙐲𝐪𞐬𞐬𞐩𛁰𭑴𢑭𨑧𩑄𨑴𨐨𡀬𞐰𜀫𨐫𭰪𤰨𭀫𪐩𛀴𜀰𚱢𚱷𚡃𚁴𚱩𚠹𚐩`.replace(/u../g,'')))

Dec 31 2021 2:17 PM UTC

}// 140/140

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Happy New Year!

u/KilledByAPixel

wow! nice one
u/neimad

love it
u/aleamb

awesome!

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭀪🐵𝀰𒡡👴𛐱𝀲𜀰𒡷👡🁔𒡢👡🠰𙡡🀱𞀰𜀊𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱢🰹𞠹𛑴𛰶𞑽𘀤𮱢🰹𞠶𞑽𙐠𙁻𨠿𭰪𞐺𞐰𚱃𚁴𛱔𚐪𞐭𭀯𜠰𜁽𙑠𒡸𛡦𪑬𫁒𩑣𭀨𨠿𜐹𞐫𨐺𭀥𜡥𜰬𨠿𝠰𜀭𚁡𚠪𛠱𚠶𜐥𜠫𝱼𜀩𚠴𞐪𚁷🱡𛱔𞠱𚐺𭀯𜐹𚱃𚁴𛰳𞐹𚐪𜰹𛀭𞐬𥀽𜑥𜰩`.replace(/u../g,'')))

Jan 22 2020 7:40 AM UTC

}// 140/140

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Slow #Castle (takes about 30 seconds)

u/KilledByAPixel

Final result https://imgur.com/JwjEImV
u/magna

#waitforit
u/magna

WOW!
u/KilledByAPixel

Behind The Castle

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WeirdWaves

function u(t) {

c.width = 256;for(i=0;i<256;i++){for(j=0;j<256;j++){ x.fillStyle = "rgba(0,0,0,"+((i*j*S(t)*0.02)%5).toString()+")";x.fillRect(i,j,1,1)}}

Sep 26 2021 9:26 AM UTC

}// 138/140

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rodrigo.siqueira

remix of d/33437 by u/taupelink

function u(t) {

for(i=z=9e3;i--;x.fillRect(120*t,i/8,(z/=z+i/3e4*S(z/9+i%5+t/4)+S(z)**2/9)*4,2))x.fillStyle=(z=251*T(1.5/z))&3?z&2?'#fb51':'#0009':'#a303'

Mar 7 2025 12:02 AM UTC

}// 138/140

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Abstract Landscape II

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retera

function u(t) {

n=10;f=Math.abs(t%2-1);for(i=0;i<c.width/n;i++)for(j=0;j<c.height/n;j++){x.fillStyle=R(i+f*100,j+f*100,255-j-i+f*n);x.fillRect(i*n,j*n,n,n)}

Dec 28 2017 6:18 AM UTC

}// 140/140

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u/joeytwiddle

#color

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pavel

remix of d/20106 by u/pavel

function u(t) {

with(x)for(c.width|=j=32,translate(960,r=540),a=t/=7;j--;scale(s=1/2**.5/S(t%1.571+.785),s))rect(-r,-r,2*r,2*r),rotate(a=-a);x.fill`evenodd`

Sep 26 2020 3:09 AM UTC

}// 140/140

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Squares all the way down #2