Dweets awesomed by u/magna

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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KilledByAPixel

remix of d/28308 by u/KilledByAPixel

function u(t) {

for(k=0;k<12e3;x.fillRect(S(i=k/99|0)**8*(t+k/599)%1*2e3,i*9,w=k++?3:2e3,w))x.fillStyle=`hsl(${k*3} 99%${40-40*C(k%99/16)}%`

Sep 9 2023 6:29 PM UTC

}// 124/140

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FTL 🚀⭐ #starfield

u/jdspugh

Great!
u/andrea270872

I feel in space, but also a bit like loading a C64 tape... in space :D Very cool

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rodrigo.siqueira

remix of d/28417 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(a=b=0,i=3e4;i--;a+=.4*(r/1.8+b*a*a),b+=C(a*3)/3-a*b/3)i%5&&(r=i*t/b&1,x.fillRect(a*2e3-480,b*650+700,.1,t<3))

Sep 9 2023 3:23 PM UTC

}// 139/140

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Alien forms of fractals

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nemo_tion

function u(t) {

c.width=480
for(i=0;i<95;i++)
x.fillRect(5*i,150+C(t+i*2)*40,2+i%3,270)

Sep 9 2023 3:02 PM UTC

}// 71/140

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barcode

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danny@hille.dk

function u(t) {

t||x.translate(1435,70,s=m=960,i=4);i>0&m>0?(x.strokeRect(n=-m/2,n,m,m),x.rotate(.0147),m-=9):x.translate(m=s,0,--i)

Sep 9 2023 10:16 AM UTC

}// 117/140

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fun with squares

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remix of d/28379 by u/1

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👐🐳𜠻𤀭𛐻𚑦𫱲𚁈🐴𞱈𛐭𞰩𩡯𬠨𠐽𜐲𝠻𠐭𛐻𮀮𫁩𫡥𥁯𚀹𝠰𚱃𚀨𠐫𤀩𛰱𜀩𛱚𛀵𝀰𚱃𚀨𠐭𤀩𛰱𜀩𛱔𚁶𚐯𦠩𚑚🐨𜐮𜰴𛱓𚁶🐨𢀫𭀩𚠲𙐷𛠸𝐯𝐩𚱓𚀨𠐫𤀩𛰱𜀩𚠨𜐭𤰨𚁁𛑐𚐯𜐰𚐪𠰨𭠩𚐩𛰲𜀰𒡸𛡳𭁲𫱫𩐨𚐻`.replace(/u../g,'')))

Sep 9 2023 3:47 AM UTC

}// 132/140

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https://en.wikipedia.org/wiki/Hopf_fibration stereographically projected

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Bloodyaugust

function u(t) {

x.lineWidth=20;s=.9;for(i=7;i--;){x.strokeStyle=R(0,S(t*9+i)*255);x.beginPath();x.arc(c.width/2,c.height/2,100,i*s,i*s+s);x.stroke();}

Sep 8 2023 9:57 PM UTC

}// 134/140

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Loading spinner! My first attempt at "demoscene". I wanted more color variability, but even getting the lines down this low was a struggle.

u/magna

#loader
u/magna

#loading
u/Xen

welcome to the dwitter family!

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rodrigo.siqueira

remix of d/28400 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(a=b=0,i=4e4;i--;a+=.4*(r-a+b*C(a*2)),b+=(-a*b+C(a*3.1))/3)i%6&&(r=i*t/b&1,x.fillRect(a*2100,1e3-b*1260,.2,t<2))

Sep 8 2023 6:42 PM UTC

}// 140/140

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Strange pieces

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magna

remix of d/28413 by u/magna

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟜰󞽦󫽲󚍩󟜲󩜳󞽩󛜽󜜰󞼩󩭯󬬨󪬽󜭥󜼻󪬭󟜱󜌻󮌮󩭩󫍬󤭥󨽴󚍩󛝭󛼲󛍪󛝭󛼲󛍭󛍭󚜩󩼽󨜽󟭓󚍍󨝴󪌮󪍹󬍯󭌨󨜭󪬬󨜭󪜩󛼱󜌰󛜵󚭴󚜪󝜬󪼽󚍩󛜴󜌰󛝓󚍴󚜪󜼰󜌩󛼵󜌬󫜽󪬾󝌰󜌦󪬼󝬰󜌦󪼾󜌦󪼼󜜸󙭫󙬱󟼸󞭧󚌲󜌰󚜫󩼨󝬰󜌩`.replace(/u../g,'')))

Sep 8 2023 5:15 PM UTC

}// 130/140

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Once more, with feeling #default

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magna

remix of d/28410 by u/magna

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟜰󞽦󫽲󚍩󟜲󩜳󞽩󛜽󜜰󞼩󩭯󬬨󪬽󜭥󜼻󪬭󟜱󜌻󚝧󟝡󟜾󤼨󣝡󭍨󛭨󮝰󫽴󚍡󛝪󛍡󛝩󚜯󜜰󜌭󝜪󭌩󚬵󛍸󛭦󪝬󫍒󩝣󭌨󪜬󪬬󫜽󩼨󜬰󜌩󚽧󚌶󜌰󚜬󫜩󞽦󫽲󚍩󟜹󞽩󛜭󞼩󮌮󩭩󫍬󤭥󨽴󚌴󜌰󚽩󚬱󜌰󚽓󚍴󚜪󜼰󜌬󝌰󜌬󝜰󛌲󜌰󚜻`.replace(/u../g,'')))

Sep 8 2023 5:03 PM UTC

}// 129/140

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Defaulted #default

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magna

remix of d/4227 by u/@.+

function u(t) {

c.width|=0;for(i=2e3;i-=10;)for(j=2e3;j-=10;)g=a=>S(Math.hypot(a-j,a-i)/100-5*t)*5,x.fillRect(i,j,m=g(200)+g(600),m)

Sep 8 2023 5:19 AM UTC

}// 116/140

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Golfed

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