Dweets awesomed by u/skeletonNatte

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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TGY

remix of d/23691 by u/TGY

function u(t) {

a=frame%72
i=149+(a<35)-a
for(y=20;y++<90;x.fillRect(9*i,9*y-i/3|0,9,y!=55&&9))
x.fillStyle=R(g=60+45*S(i/45+y/20+9)**2,g*2+y/2,3*g)

Aug 31 2021 5:12 PM UTC

}// 132/140

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#windows11 coming out on October 5

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e4494s

function u(t) {

with(x){c.width=1920;w=960;z=540;for(i=0;i<9;i++){w+=98*C(t*i);z+=98*S(t*i);fillStyle=R(99,0,99,.3);beginPath();arc(w,z,49,0,7);fill()}}

Aug 29 2021 7:58 PM UTC

}// 136/140

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Purple spinning circles

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TGY

remix of d/23607 by u/TGY

function u(t) {

eval(unescape(escape`󪝦󚌡󭌩󫜽󦽝󒭦󫽲󚍩󟜴󚬨󨼮󭽩󩍴󪌽󝬰󚜻󪜭󛜻󚝦󫽲󚍪󟜹󛍦󬭡󫝥󙜲󜌿󜌺󫝛󪝝󟝩󟬲󜌿󫝛󪜭󜬰󧜺󣝡󭍨󛭲󨝮󩍯󫜨󚜾󛬵󞽪󛜭󞽸󛭦󪝬󫍒󩝣󭌨󪜥󜬰󚬳󚽡󛌰󯍩󛼲󜌪󜼫󚍢󟝪󛼳󯌰󚜬󜜬󚍭󦽩󧜿󨜺󜼭󨜩󟜽󨬩󚝡󟝪󙜳`.replace(/u../g,'')))

Aug 21 2021 6:36 PM UTC

}// 122/140

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#10PRINT autoscroller

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Joachim

function u(t) {

eval(unescape(escape`󩭯󬬨󪜠󪝮󘍺󟝣󛭷󪝤󭍨󯌽󭌿󜌺󨜽󜌬󮌩󮍛󪝛󜍝󚽩󦼴󧝝󟝸󦽩󧜻󭽩󭍨󚍸󚝦󫽮󭌽󘬹󩝭󘍡󘬬󩭔󚌢󧍵󡌸󜽄󧍵󡍃󜌸󘬬󬬽󞜹󞜬󬬭󣝡󭍨󛭡󨭳󚌹󞜪󤼨󞜪󭌩󚜩󛍴󟌹󙬦󩭔󚌢󧍵󡌸󜽄󧍵󡍃󜌱󘬬󞜹󚭴󛍲󚜬󩭔󚌢󧍵󡌸󜽃󧍵󡍆󜽆󘬬󨜫󟜹󛍲󚜬󩭒󚌰󛍲󛍺󛌹󞜩󞽡󟝡󟭺󟼰󞭡`.replace(/u../g,'')))

Aug 19 2021 8:24 AM UTC

}// 140/140

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predator #emoji

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danny@hille.dk

remix of d/23577 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`󢜽󫭥󭼠󢝭󨝧󩝄󨝴󨜨󨼮󭽩󩍴󪌽󭼽󜼰󜌬󭼩󞽦󫽲󚍩󟝷󚬱󞜰󞽩󛜭󞼩󦜽󪜯󭼯󞜭󞜬󬬽󚌨󦌽󚍩󙝷󚜯󞜭󜜷󚜪󦍼󦜪󦜩󛽷󛍉󛭤󨝴󨜮󬽥󭌨󦽋󟝔󚍙󛽲󛝴󚬲󝝞󦌯󬬩󚭙󚼱󝬪󚌲󚽓󚍴󚬳󚜩󛽲󛍋󛼳󛍋󛽲󛼶󝌬󭽝󛍩󚬴󚜻󮌮󬍵󭍉󫝡󩽥󡍡󭍡󚍉󛌰󛌰󚜻`.replace(/u../g,'')))

Aug 18 2021 9:52 PM UTC

}// 131/140

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unholy light remix

u/neimad

show off
u/Xen

Nicely done!
u/magna

AWESOME!
u/tomxor

Really cool effect, looks like some kind of rotating light and shadow or a hologram
u/danny@hille.dk

Thanks for the nice comments guys!

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mxfh

remix of d/23417 by u/mxfh

function u(t) {

for(d=new ImageData(w=2048,w),m=3e6;m--;d.data[m*4-1]=(m-Y&Y+m)*t/w&w)Y=m*w
x.putImageData(d,0,0)

Aug 13 2021 11:51 AM UTC

}// 97/140

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u/mxfh

for(d=new ImageData(w=2048,w),m=1e7;m--;d.data[m|3]=(m-Y&Y+m)*t/w&w)Y=m*w x.putImageData(d,0,0)
u/mxfh

for(d=new ImageData(w=2048,w),m=1e7;m--;d.data[m|3]=(m-Y&Y+m)*t/w&w)Y=m*w x.putImageData(d,0,0)
u/mxfh

-2 but considerably slower

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tomxor

remix of d/23544 by u/pavel

function u(t) {

for(a=Math.abs,c.width&=i=4352;X=1-(T+i/32)%2,Y=--i/2e3;x.fillRect(X*r+64*T,Y*r+96-64*a(S(t)),T=a(2-t%4)+1,(i^i/64)/8&1))r=64/(--Y*Y+X*X+1)

Aug 13 2021 12:57 AM UTC

}// 139/140

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Smoother #Amiga #Ball

Show more comments…
u/tomxor

..But less authentic. Remaps the pixel positions rather than texture, which gives "free" antialiasing, with spare space to correct the spin.
u/pavel

Oh yeah, nice. This is definitely a better way of doing it. The other mapping has an incorrect center that I have to waste characters to correct.
u/pavel

-2 char using S(t%3.14) to bounce and inlining the single Math.abs call
u/danny@hille.dk

What a clever trick, using modulus pi of t, to only get the positive part of the sinus curve
u/danny@hille.dk

3.2 works fine, while 3 and 3.1 looks wrong
u/danny@hille.dk

test code: c.width|=0,x.fillRect(o=860,o-S(t*4%3.2)*o,200,200)

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rodrigo.siqueira

remix of d/23528 by u/rodrigo.siqueira

function u(t) {

for(c.width=w=482,d=new ImageData(w,w),m=w*w,i=3;m--;d.data[i+=4]=Y*w&7e8)X=m-t*9e4,Y=m%w&X/w-S(m%w/99+t*3)*w/8
x.putImageData(d,0,0)

Aug 12 2021 1:52 PM UTC

}// 133/140

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#Sierpinski waves

u/danny@hille.dk

Love it: - idk why, but it reminds me of the old windows logo https://logodix.com/logo/661924.png

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pavel

remix of d/23537 by u/KilledByAPixel

function u(t) {

for(c.width&=i=4352;Y=i--/2e3;x.fillRect(94+C(t/3)*94+i%64,80-80*Math.abs(S(t))+i/64,2*X/C(r=X*X+--Y*Y)-6*t&1^2*Y/C(r)-6&1,r<1))X=i%64/32-1

Aug 11 2021 8:39 PM UTC

}// 139/140

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Boing

u/DaSpider

That brings back memories.
u/DaSpider

#Amiga bouncing ball
u/tomxor

Nice!
u/tomxor

-1 char X=i/32%2-1

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ArthurThuczsec

remix of d/23510 by u/danny@hille.dk

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𭰽𜠵𝐬𩀽𮀮𩱥𭁉𫑡𩱥𡁡𭁡𚀰𛁩🐳𛁷𛁷𚐬𬰽𩀮𩁡𭁡𞱦𫱲𚁭👷𚡷𞱭𛐭𞱳𦱩𚰽𝁝👳𦱩𚰳𚡓𚁴𚠳𚑼𜁝🐨𦐪𚁯🐨𝰭𜠪𩐩𛰨𜐫𩐩𚐪𭰫𭀪𝀪𭰦𝠴𧡘𚡯𚡷𙠶𝀩𚡷𚑥🐨𦀽𜠭𜰪𫐯𭰯𭰩𚡘𚰨𦐽𛐲𚰴𚠨𫐥𭰩𛱷𚐪𦐻𮀮𬁵𭁉𫑡𩱥𡁡𭁡𚁤𛀰𛀰𚐻`.replace(/u../g,'')))

Aug 8 2021 11:50 AM UTC

}// 139/140

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