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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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KilledByAPixel

remix of d/14671 by u/KilledByAPixel

function u(t) {

with(x)for(fillRect(0,j=5,2e3,2e3);j--;)for(i=19+7*S(t*6-j)|0;i--;fillText("♥BEAT"[j],240-i*9+j*350,540+i*9))font=i*2+"em'",fillStyle=R(i*9)

Jun 19 2019 2:25 AM UTC

}// 140/140

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Heart Beat ♥

u/katkip

lol i thought it was saying love beat
u/katkip

*facepalm*
u/IV

#text

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KilledByAPixel

remix of d/14570 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀲𩐳𛀲𩐳𚐻𭱩𭁨𚁸𚑦𫱲𚁩🐱𜠰𞱩𛐭𞱲𩑳𭁯𬡥𚁦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𪐪𜰭𜰰𯐠𞐹𙐵𜀥𨀬𩡩𫁬𥁥𮁴𚀢𤁲𪑤𩐢𛀳𞐫𜠹𚡓𚁩𛰹𚱴𚠹𚐯𜠬𜑥𜰬𜐸𜰰𚐩𚑢𩑧𪑮𤁡𭁨𚁳𨑶𩐨𩡯𫡴🐢𝰲𩑭𘁩𫑰𨑣𭀢𚐩𛁣𫁩𬀨𬡥𨱴𚀰𛁩𚠹𛀲𩐳𛀹𚐩`.replace(/u../g,'')))

Jun 18 2019 9:36 PM UTC

}// 139/140

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Happy Pride Month!

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rodrigo.siqueira

remix of d/14641 by u/rodrigo.siqueira

function u(t) {

X=Y=t*400
for(i=3e4;--i;x.fillRect(800+X,350+Y,1,1))X=80-Y+Math.abs(Y=X/1.0001)

Jun 18 2019 9:14 PM UTC

}// 79/140

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Gingerbreadman, golfed and clean code. I just added "/1.0001" to get some spirals. #gingerbreadman

u/katkip

this one is super cool but i got bored of this man
u/joeytwiddle

Shuriken

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rodrigo.siqueira

remix of d/14666 by u/rodrigo.siqueira

function u(t) {

c.width|=0
var i=X=Y=S(t)**2+100*(1+2*t%1)
for(var i=2e4;--i;x.fillRect(940+99*S(t*8)*(1-Y/200)+X-Y,300+(Y+X)*1.1,3,3))
X=45-Y+Math.abs(Y=X)

Jun 18 2019 8:53 PM UTC

}// 140/140

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Dancing Gingerbread Man #attractor #gingerbreadman

u/katkip

that's a weird hyperdimensional dude dance

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rodrigo.siqueira

remix of d/14665 by u/rodrigo.siqueira

function u(t) {

X=Y=t*t*90-350
for(var i=2e4;--i;x.fillRect(900+X,400+Y,1,1))x.fillStyle=`hsl(${490*t},60%,${60*(5*t%2)}%`,
X=90-Y+Math.abs(Y=X)/(1+t/4)-t*5

Jun 18 2019 7:11 PM UTC

}// 140/140

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Doodles from the Gingerbreadman #gingerbreadman

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rodrigo.siqueira

remix of d/14654 by u/rodrigo.siqueira

function u(t) {

var i=X=Y=t*260
for(i=2e4;--i;x.fillRect(900+X,400+Y,1,1))
x.fillStyle=`hsl(${690*t},65%,${50*(5*t%2)}%`,
X=70-Y+Math.abs(Y=X)-t*60

Jun 18 2019 5:40 PM UTC

}// 131/140

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Sketch of the gingerbreadman. #gingerbreadman

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Xen

remix of d/14662 by u/Xen

function u(t) {

for(I=1e3;--I;x.fillRect(I,t*99,X>1,T=7))for(W=X=I/99-5,Z=Y=t-2;T--;Y=2*U*Y+Z)X=(U=X)*X-Y*Y+W

Jun 18 2019 5:16 PM UTC

}// 93/140

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93bytes #mandelbrot #fractal

u/username

weeeeeeeeeeeeeeeeeeeeeeeeeeeeeell, golfing at all costs?
u/Xen

yes!... EVERY cost! lol

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veubeke

function u(t) {

t?T=T&&T-1:onclick=e=>T=30
c.width^=0
x.scale(40,40)
x.fillText('⚡',19,18)
x.globalCompositeOperation='xor'
T>>3&1&&x.fillRect(0,0,48,26)

Jun 18 2019 5:10 PM UTC

}// 137/140

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Don’t touch!

u/Xen

Danger Danger!
u/katkip

ouch
u/magna

#interactive

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Xen

remix of d/14647 by u/Xen

function u(t) {

for(I=1e3;--I;x.fillRect(I,t*99,X>1,3))for(W=X=I/99-5,Z=Y=t-2,T=8;T--;Y=2*U*Y+Z)U=X,X=X*X-Y*Y+W

Jun 18 2019 4:46 PM UTC

}// 95/140

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95bytes #mandelbrot #fractal shoutz to katkip

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username

remix of d/14629 by u/username

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𛐱𛁪🐴𞱪𛐭𞰩𩡯𬠨𪐽𞐻𪐭𛐻𚑷𪑴𪀨𮀩𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮰨𪠫𜐩𚡴𚠹𯐬𝐶𙐬𝀳𙑠𛁢𩑧𪑮𤁡𭁨𚁦𪑬𫀨𨑲𨰨𜐵𜀫𤰨𨐽𛠷𞐪𪐫𞐵𛑴𙐱𛰮𝠪𘐨𭀦𜰭𪠩𚐪𚁲🐨𝀶𚰱𜠪𠰨𭀩𚐪𘐡𪐫𪐥𜠪𜐶𚐬𝀶𚱃𚁡𚐪𬠯𜠫𪠪𜠷𛀵𛑪𛀰𛀷𚐩𚐻`.replace(/u../g,'')))

Jun 18 2019 11:56 AM UTC

}// 138/140

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perspectives

u/Ratstail91

Wait, that's illegal.