Top dweets of all time

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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taupelink

remix of d/23860 by u/taupelink

function u(t) {

for(i=185;i--;x.fillRect(250*X,80*Y,q/t**t,i*C(Y/6)/t))f=i*t,X=f*f%8,Y=X*f%15,x.fillStyle=R(q=i/(.5+S(2*X)*Y),q/=S(Y)+X/3,q=i/Y-q,1e5/Y/q/q)

Sep 23 2021 5:23 PM UTC

}// 140/140

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d/23903

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firegodjr

remix of d/23898 by u/firegodjr

function u(t) {

x.drawImage(c,0,k=t*60%2*9|0,1920,m=1071)
for(i=99;i--;)x.fillStyle=R(k?0:i*4,k?99+i:m,k?0:m),x.fillRect((1+(k?C:T)(t+i/20))*960,k?m:0,99,9)

Sep 21 2021 7:34 PM UTC

}// 140/140

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Rolling Hills

u/rep_movsd

WIndows XP wallpaper
u/rep_movsd

#landscape #nature
u/firegodjr

Didn't realize when making it, but it turns into an earthquake after a bit. Especially if the framerate dips
u/firegodjr

135: x.drawImage(c,0,u=u?0:9,1920,m=1071) for(i=99;i--;)x.fillStyle=R(u?0:i*4,u?99+i:m,u?0:m),x.fillRect((1+(u?C:T)(t+i/20))*960,u?m:0,99,9)

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Joachim

function u(t) {

eval(unescape(escape`󮬽󨼮󭽩󩍴󪌽󜼰󜌊󨼮󬽴󮝬󩜮󨭡󨽫󩽲󫽵󫭤󟝒󚍨󟝺󙝓󚍴󚜪󞜹󛍨󛍨󚜊󩭯󬬨󪜽󨜽󝌰󞽩󛜭󞼩󮌮󩭩󫍬󤭥󨽴󚍩󚬹󛜹󛌱󝼰󛌹󛌭󜬰󛝡󙝓󚍩󚜪󨜩󒭸󛭦󪝬󫍓󭍹󫍥󟜧󘽢󨭢󙼊󮌮󩭩󫍬󚍸󛭡󬭣󚍡󛍡󛌷󛌰󛌷󚜩󒭦󫽲󚍩󟜹󞜹󞽩󛜭󞼩󮌮󩭩󫍬󤭥󨽴󚍨󚭡󚽺󙝓󚍴󚜪󪜬󪜬󜬬󜼩`.replace(/u../g,'')))

Sep 18 2021 10:45 AM UTC

}// 140/140

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#city #storm #lightning #night

u/rep_movsd

Nice

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sandromiccoli

remix of d/23857 by u/sandromiccoli

function u(t) {

for(a=50;a--;)x.beginPath(),x.arc(960+C(s=(137.5*a))*(r=a*t%300*1.5),540+S(s)*r,50-(a*S(t))%50,0,7),x.stroke(),x.fillStyle=`#f00a`,x.fill()

Sep 15 2021 2:03 AM UTC

}// 139/140

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New_Core

function u(t) {

with(x)for(c.width|=j=20;j--;fillStyle=R(j*50),beginPath(fill()))for(i=40;i--;)lineTo(i*50,500+9*j+99*S(i/12+j/9+t)*S(t+i/2))

Sep 14 2021 1:01 PM UTC

}// 125/140

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sandromiccoli

remix of d/18392 by u/lionleaf

function u(t) {

r=Math.random
x.fillStyle=R(o=t%25>20&&255,o,o,1)
for(i=899;i--;)T=r()*480,A=r()*t-3.14/2,x.fillRect(960+T*C(A),540+T*S(A),2,2)

Sep 13 2021 3:45 PM UTC

}// 127/140

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#time

u/donbright

interesting

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LimeLaser

function u(t) {

f=(60*t|0)%1e3
x.fillStyle=`HSL(${f},99%,50%)`
x.fillRect(1.7*f,f,99,99)
x.translate(960,540)
x.rotate(0.1)
x.translate(-960,-540)

Sep 11 2021 6:23 AM UTC

}// 130/140

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Color Spiral

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rep_movsd

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼🐰𛁆🐨𠐬𠠬𦀬𦐩🐾𮱸𛡦𫱮𭀽𨀤𮱂𯑥𫐧𨀻𮀮𩡩𫁬𥁥𮁴𚁓𭁲𪑮𩰮𩡲𫱭𠱯𩁥𤁯𪑮𭀨𠐩𛁘𛀱𜀸𜀭𦐩𯐊𩡯𬠨𦐽𜐰𜀻𦐼𜐲𜀰𞱙𚰽𜰲𜀩𩡯𬠨𦀽𦐭𞐹𞱘🀱𞀲𜀭𦐻𦀫🐲𜰰𚐊𡠨𜐲𞐳𞀷𛀲𜀬𦀬𦐩𛁆𚀱𜠷𞀱𜠫𚁴𚰫𯀰𚐥𜐶𛁅🐴𛁘𚰱𜠸𛁙𚰷𜠩`.replace(/u../g,'')))

Sep 8 2021 2:04 PM UTC

}// 139/140

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Canned fruit stand

u/rep_movsd

Best viewed on Firefox
u/rep_movsd

#food

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taupelink

remix of d/23760 by u/taupelink

function u(t) {

for(i=q=k=810;--i;x.fillRect(k*X,k-q*Y,-i/v,q*Y/v))f=i*t,X=f*f%5,Y=X*f%4-2,x.fillStyle=R(s=q+i*Y*.4,q^=-s,q^=255,(k+q)*(Y+3)**2/4e4),v=4**t

Sep 6 2021 6:21 AM UTC

}// 139/140

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d/23766

u/rep_movsd

You need to write a blog about this particular technique
u/taupelink

i'd like to, but it would take time (i'm a super slow writer) and it's honestly not a priority at the moment. I can at least say this: Part of how I get four vertical bands is having Y range from less than -1 to greater than 1 (in this case, -2 to 2). Multiplying or dividing by Y then has four effects: stretch or compress, do or do not reverse sign
u/rep_movsd

A one page breakdown would be nice, or perhaps I'll write one
u/taupelink

ah ok...like a line-by-line explanation? that's doable...i'll write something up next weekend!

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rodrigo.siqueira

remix of d/23735 by u/rodrigo.siqueira

function u(t) {

for(i=k=680;--i;x.fillRect(k-i*Y,k+v*i,30*q*X*v,Y*i*v))f=i*t,X=f*f%3-1,Y=X*f%4-2,x.fillStyle=R(q=i*T(X)*X,q*=X*X,q*=f*S(Y)/29,i/q/q),v=.1**t

Sep 5 2021 12:59 PM UTC

}// 140/140

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Purple sunset landscape