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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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DataMeta

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𨡡𨱫𩱲𫱵𫡤🐧𘰴𞑆𙰻𮀮𩡩𫁬𤱴𮑬𩐽𙰣𡡄𝰧𛁸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𜐴𝀬𜐴𝀩𞱦𫱲𚁲👍𨑴𪀮𬡡𫡤𫱭𛁪👮🐰𞱪🀲𜠴𞰩𬠨𚐼𛠱🱮🐰𞡲𚀩🠮𞐿𫠽𜠵𝐺𮀮𩡩𫁬𤱴𮑬𩐽𤠨𜀬𜀬𫠬𛠰𜠩𛁸𛡦𪑬𫁒𩑣𭀨𝠰𚠨𪠥𜰲𚐬𝠶𜀫𝠰𚠨𪠫𚰯𜰲𯀰𚐬𝠰𛀶𜀩`.replace(/u../g,'')))

Jan 31 2020 9:27 PM UTC

}// 140/140

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Sparkling #ocean with sun's reflection

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WasifBoomz

function u(t) {

c.width=1920
if(t>4){a="D";t-=4;}
else if(t>3)a="C"
else if(t>2)a="B"
else if(t>1)a="A"
x.font='500px times new roman'
x.fillText(a,760,740)

Jan 31 2020 7:51 PM UTC

}// 140/140

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u/iznax

You can try this -- x.fillText("ABCDEFGHIJKLMNOPQRSTUVWXYZ"[t%26|0],760,740)

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rodrigo.siqueira

remix of d/17426 by u/rodrigo.siqueira

function u(t) {

for(i=880;i--;x.fillStyle=R(Y/2.5-r/(350+S(t*2)*300),0,r/2000,.8))x.fillRect(X=S(r=i*i)*i*3+i*C(t*3)+900,Y=C(r)*i+390+S(t*2)*i/3,i,i)

Jan 31 2020 6:05 PM UTC

}// 133/140

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Underwater lava cave #perspective

Show more comments…
u/tomxor

I keep switching perception between cave and mountain top, it gets stuck on mountain top... i can't control it 😳
u/sigveseb

I don't see mountain top 🤔 how?!
u/tomxor

funny, i can't see anything else now... it;s like looking down from above a mountain peak. Maybe imagine you are looking down from a circling helicopter.
u/rodrigo.siqueira

This #illusion is called "bistable perception". When I posted it was looking like a cave, now it seems to keep changing between mountain top and cave. I prefer a cave.
u/sigveseb

yes, I see it now!
u/rodrigo.siqueira

#tunnel
u/joeytwiddle

To see the mountaintop, maybe look at the blue and imagine it is the floor or the sea, far away.

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Cloud

function u(t) {

c.width|=0
x.lineWidth=8
for(i=0;i<5;i++){
x.lineTo(i*200+((t*10-i*2)*20+C(-t*10)*40), (S(t*10-i*2)*80+500))
}
x.stroke()

Jan 31 2020 5:20 PM UTC

}// 121/140

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🐛

u/tomxor

Snake Bot !

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xem

function u(t) {

for(n=.5,i=9e3;n=t/4*n*(1-n),i--;)i<300&&x.fillRect(t*99,1e3-n*1e3,2,2)

Jan 31 2020 4:44 PM UTC

}// 71/140

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Logistic map (to scale)

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katkip

function u(t) {

eval(unescape(escape`𪑦𚀡𭀩𮱘👮𩑷𘁁𭑤𪑯𠱯𫡴𩑸𭀨𚐻𫰽𦀮𨱲𩑡𭁥𣱳𨱩𫁬𨑴𫱲𚀩𞱧👘𛡣𬡥𨑴𩑇𨑩𫠨𚐻𫰮𩡲𩑱𭑥𫡣𮐮𭡡𫁵𩐽𝐲𞀻𩰮𩱡𪑮𛡶𨑬𭑥🐮𜀱𞱯𛡣𫱮𫡥𨱴𚁧𚐮𨱯𫡮𩑣𭀨𦀮𩁥𬱴𪑮𨑴𪑯𫠩𞱯𛡳𭁡𬡴𚀩𞱽𒠠`.replace(/uD./g,'')));

Jan 31 2020 3:50 PM UTC

}// 122/140

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#audio that will make you smile (unconsciously)

u/katkip

#spoiler #annoying
u/Xen

i had 26 things at once and actually wondered why furiously stabbing SPACE didn't stop the noise on my youtube tab......

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Xen

remix of d/17424 by u/yodacoder

function u(t) {

//for(t+=i=w=c.width^=9,x.fillRect(0,0,w,w);i--;x.strokeStyle=R(t,t%99)
)x.lineTo(w/2+C(t*i/5)*5*i,w/4+S(t*i/5)*5*i);
x.stroke()

Jan 31 2020 12:05 PM UTC

}// 128/140

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photosensitive warning!

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rodrigo.siqueira

remix of d/17414 by u/rodrigo.siqueira

function u(t) {

for(i=1e3;i--;x.fillStyle=R(Y*Z,Y,X,.05))x.fillRect((X=S(i**8)*i)*1.3+860,(Y=C(t/5+i/99)*600)+500,Z=200,Z)

Jan 31 2020 10:48 AM UTC

}// 106/140

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Thermodynamic balance #abstract #colors #art

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Cloud

function u(t) {

c.width|=0
for(i=0;i<80;i++){
z=S(i/12-t*3)*100
x.fillRect(960-(150+i*12)-z, i*10+400+C(t*14)*i, 300-z/3+i*24, 20)
}

Jan 31 2020 9:42 AM UTC

}// 116/140

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Old town road :) #mobile

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yodacoder

remix of d/6467 by u/41407

function u(t) {

t*=9
w=c.width|=0
x.fillRect(0,0,w,w)
x.strokeStyle=R(w,5*C(t),w*S(t))
for(i=w/1;i--;)x.lineTo(w/2+C(t*i/5)*5*i,w/4+S(t*i/5)*5*i)
x.stroke()

Jan 31 2020 8:22 AM UTC

}// 140/140

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👈