Dweets awesomed by u/DataMeta

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: #Opposites

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solendil

function u(t) {

[C,S]=[S,C]
for(i=j=1920,w=32;i--;x.fillRect(i&-w,i%w*w,w,w))x.fillStyle=R(0,0,S[i]=T(t*i)>j?j:((C[i+1]+C[i-1]+C[i+w]+C[i-w])/2-S[i])*0.9|0)

Sep 28 2020 4:08 PM UTC

}// 140/140

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Rain

u/dull_pixel

#storm

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katkip

function u(t) {

eval(unescape(escape`𒡦🐨𦀬𦐬𫠽𞐳𚐽🡮🡘𚡙🱦𚀲𚡘𚡙𛀮𜰫𦐪𦐭𦀪𦀬𫠭𜐩𞠹𞐹𛑮𚠱𜠮𝐻𬠽𣑡𭁨𛡲𨑮𩁯𫐻𩡯𬠨𪐽𜠹𞐹𞱩𛐭𞰩𦀽𬠨𙱤𭱩𭁴𩑲𙰩𛁙👲𚀧𪑳𘁮𪑣𩐧𚐬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𮠽𞐯𭀬𮠬𩠨𦀪𜠭𜐬𦐪𜠭𜐬𞐲𚐩𛁸𛡦𪑬𫁒𩑣𭀨𦀪𞐹𞐬𦐪𞐹𞐬𮠬𮠩𞰻`.replace(/u../g,'')))

Sep 26 2020 12:29 PM UTC

}// 136/140

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fast hd #fractal

u/taupelink

The first thought that came to mind was....brains?
u/Xen

yess!!
u/katkip

#katkweet

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pavel

function u(t) {

with(x)for(c.width|=j=32,translate(960,r=540),h=355/226;j--;scale(s=1/2**.5/S(t/9%h+h/2),s))rect(-r,-r,2*r,2*r),rotate(t/9);x.fill`evenodd`

Sep 25 2020 6:19 PM UTC

}// 139/140

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Squares all the way down

u/pavel

Inspired my Matts shirt in https://youtu.be/Z4oy6mnkyW4
u/anotherkitten

reminds me of this album's cover https://en.wikipedia.org/wiki/Good_%26_Evil_…

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KilledByAPixel

function u(t) {

for(a=i=48;i--;x.fillRect(...t?[i*a-b,t*c-64-i%2*a,b,64]:[0,i*a,c=5760,b=32]))x.fillStyle=R(t&&c,t*1e3)

Sep 25 2020 5:33 PM UTC

}// 103/140

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Woven 🧶

u/Xen

nice style

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anotherkitten

function u(t) {

for(i=90;i--;x.fill(p=new Path2D(),p.arc(i?S(i+t/199)*2e3:960,i?(i+t)%30*(90+i):0,i?20:2e3,0,8)))x.fillStyle=`hsl(190,${i?50:0}%,50%,.1`

Sep 25 2020 5:08 PM UTC

}// 136/140

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raindrops on the cloudy window

u/anotherkitten

#storm
u/DataMeta

I like this rendition! thought about how to implement this concept some time back

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anotherkitten

remix of d/20101 by u/anotherkitten

function u(t) {

t||x.scale(6,6)
for(i=36;i--;x.fillRect(t*33,i*6,1,6),x.clearRect(i*33-69,T*24,6,(i^t*4)&1))x.fillStyle=`hsl(0,0%,${25+35*C((T=t-i)*3.14)}%`

Sep 25 2020 4:48 PM UTC

}// 140/140

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weaving

u/Xen

love it!

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solendil

function u(t) {

c.width|=h=120
code.split`h`.map((t,i)=>x.fillText(t,0,i*13,h))
for(i=h;j=(h-i)*6,i--;)
x.drawImage(c,0,i+t*9%h*2-h,h,1,j,h+i*8,1900-j*2,8)

Sep 25 2020 2:56 PM UTC

}// 139/140

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A long time ago...

u/KilledByAPixel

#dweetwars

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KilledByAPixel

remix of d/20089 by u/anotherkitten

function u(t) {

with(x)t*=60,font='27em"',filter=`hue-rotate(${t*9}rad)`,fillStyle='#fa0',fillRect(X=t%4*480,Y=(t>>2)*540,540,540),fillText('🥫',X,Y+420)

Sep 24 2020 5:19 PM UTC

}// 136/140

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Warhol Cans 🥫

u/DataMeta

#art

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anotherkitten

function u(t) {

for(i=12;i--;x.fillRect((i<6?960:0)+((W=i%3>1)?0:330),(i%6<3?540:0)+[270,45,0][i%3],W?960:300,W?540:225))x.fillStyle=`hsl(${i*207},80%,55%`

Sep 24 2020 3:54 PM UTC

}// 139/140

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warhol

u/DataMeta

#art

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anotherkitten

function u(t) {

for(i=15;--i;x.fill(p=new Path2D(),p.arc(960,540,V*100,0,8)))x.fillStyle=`hsla(270,40%,${25*S((V=i-t%1)-t)+50}%`

Sep 24 2020 3:15 PM UTC

}// 112/140

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if you stare at the center, the white rings move slowly; if you stare at the white rings, they move quickly #illusion

u/MAxSaL

I found it to be the opposite?
u/anotherkitten

huh, interesting

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