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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Xen

remix of d/22302 by u/erin

function u(t) {

for(e=c.width|=i=9,x.globalCompositeOperation='xor',x.fillRect(0,540,e,e);i--;)x.fillRect(400+i*99+S(t)*300,400+C(i+t*4)*19,50,200)

Mar 30 2021 11:17 PM UTC

}// 131/140

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tiny fix

u/erin

sick!!!
u/erin

i was trying to make it look like it was a wave
u/erin

so if anyone wants to try to make the bottom black part move with the rectangles, please try

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katkip

function u(t) {

c.width^=0;t||(n="0.");n+=""+frame;x.font='9cm"';x.fillText(n,99-t*t*50,590)

Feb 6 2019 10:55 AM UTC

}// 76/140

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The Champernowne Constant Digits Explorer #sequence #math

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rodrigo.siqueira

remix of d/25157 by u/vgel

function u(t) {

c.width|=0,x.scale(9,9),t?I--:(p=[I=0])
for(i=220;i--;x.fillText('🚁',99,p[I+99]+35))x.fillRect(i,p[(i+I)]||=C(t*9)*5+S(t-C(t)*3)*20+30,1,60)

Mar 23 2022 12:03 PM UTC

}// 140/140

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Helicopter #cavern explorer

u/rodrigo.siqueira

#game

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁩🐱𝠻𪐭𛐻𚑢𩑧𪑮𤁡𭁨𚁦𪑬𫁓𭁹𫁥👒𚁩𙐲𚠲𝐵𚐩𛁡𬡣𚁘🐹𝠰𚱃𚁡👩𙐲𚠳𛠱𝀫𭀩𚡔𛁙🐵𝀰𚱓𚁡𚐪𥀬𥀽𜠴𜀬𜀬𝰩𛁦𪑬𭁥𬠽𪐼𜐴🰧𪑮𭡥𬡴𚀧𞠧𫡯𫡥𙰬𪐼𜐴🱤𬡡𭱉𫑡𩱥𚁣𛁘𛑔𛁙𛐱𜰵𛀴𞀰𛀲𝰰𚐺𩡩𫁬𚀩𞰻`.replace(/u../g,'')))

Sep 30 2020 8:06 PM UTC

}// 132/140

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Fractal #Yinyang ☯

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taupelink

remix of d/27357 by u/taupelink

function u(t) {

for(c.width|=i=512,k=180;i--;x.fill())p=.2+C(j=i/.393+t/4)/5,x.beginPath(x.fillStyle=R(i,X=i%12*20,Y=i%7*30,1-p)),x.arc(X*9,Y*6,i*p,j,j+6*p)

Apr 9 2023 10:34 PM UTC

}// 140/140

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d/27358

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New_Core

function u(t) {

for(c.width|=q=i=500,x.translate(960,540),x.rotate(5*S(t/5));i--;)x.fillRect((q*S(i)*S(b=i*i+t)),q*C(i),a=5*S(i)*C(b)+7,a)

Dec 30 2025 4:15 PM UTC

}// 122/140

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fake it till you make it

u/cantelope

...explains the quality of our "leadership" :P

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magna

remix of d/28344 by u/AArt1256

function u(t) {

eval(unescape(escape`󩭯󬬨󦌽󨼮󭽩󩍴󪌽󜜹󜬻󦌭󛜻󚝦󫽲󚍙󟜱󜌸󞽙󛜭󞽸󛭦󪝬󫍒󩝣󭌨󦌬󦜬󚍘󛽓󚌨󦜫󥍼󜌩󚽘󚝞󦜫󥌩󙬱󛌱󚜩󥌽󭌪󜬰󞽦󫽲󚍩󟜹󞽩󛜭󞼩󮌮󨽬󩝡󬭒󩝣󭌨󝌰󚽩󚬱󜌫󤼨󭌩󚬳󜌭󜜬󥌥󜜲󞌭󜬰󛜱󛌷󛌲󜬩󛍸󛭦󪝬󫍒󩝣󭌨󝌰󚽩󚬱󜌫󤼨󭌩󚬳󜌬󥌥󜜲󞌭󜬰󛌵󛌲󜌩`.replace(/u../g,'')))

Aug 27 2023 5:51 AM UTC

}// 136/140

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#default vertical scroller

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matkobanko12

function u(t) {

c.width=1920;for(i=0;i<400;i++)x.fillRect(960+S(a=i+t)*i,540+C(a)*i,s=i/9,s),x.fillStyle=`hsl(${i+t*50},99%,50%)`

Jul 7 2026 7:55 PM UTC

}// 113/140

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f8f82804

remix of d/9777 by u/f8f82804

function u(t) {

with(x){for(shadowColor=R(fillRect(0,0,i=c.width=294,i),i,i);i-=3;lineTo(i,y+32))moveTo(i-6,y=99*S(i^7*t));for(j=9;shadowBlur=j--;)stroke()}

Sep 12 2018 5:42 PM UTC

}// 140/140

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#electric #neon #rain, as requested by u/donbright

u/f8f82804

This is the best solution I found to having them not be too fast; we only change the pattern 7 times a second. Using S() means there are occasional patterns in the drops. Change to y=99*Math.random() to see the difference.
u/f8f82804

also see d/9803
u/donbright

hee hee, thanks

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futureperfect

function u(t) {

c.width=1920;r=Math.floor(t*60);for(b=1;b<110;b++){a=r;i=0;while(a>1){x.fillText(a,i*9,b*9);if(a%2===1){a=3*a+1;}else{a=a/2;}i+=1.5;}r++}

Dec 27 2017 5:55 AM UTC

}// 137/140

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A little midnight Collatz for you all

u/taupelink

#collatz