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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anotherkitten

function u(t) {

x.fillStyle="#daf1"
x.fillRect(0,0,2e3,2e3)
for(i=799|0;i--;)x.arc(960+S(t+i)*200,540+C(t+i)*200,300,I=t+i/14,I)
x.beginPath(x.stroke())

Dec 18 2020 6:03 PM UTC

}// 136/140

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u/Xen

smooth!

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ntsutae

function u(t) {

f=(X,Y,n=5)=>n?f(S(X*X*3-Y*Y*2),3*S(1+X*Y)+1,n-1):Y*Y*9
for(X=2e3;X--;x.fillRect(X,t*60,1,1))x.fillStyle=R(g=f(X/2e3-.5,t/38),g*2,g*g)

Dec 17 2020 10:49 AM UTC

}// 134/140

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u/pavel

Whoa, nice!
u/Xen

love it
u/taupelink

very cool

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pavel

remix of d/21012 by u/pavel

function u(t) {

with(x)for(c.width|=i=710;i--;beginPath(fill(ellipse(40+18*C(a=++t%3.1416),0,w=S(a),!rotate(i*49+w/3),a,0,7))))setTransform(9,0,0,9,960,540)

Dec 17 2020 3:03 AM UTC

}// 140/140

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Torus Study #2

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New_Core

function u(t) {

with(x)for(c.width|=i=9;i--;fill())beginPath(fillStyle=R(255-i*255,255-i*9)),arc(X=960+(80-i*9)*S(t+i/9),Y=i*40+99,50+i*50,1,2),lineTo(X,Y)

Dec 16 2020 7:01 PM UTC

}// 139/140

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this year the Christmas tree has a "star" but no decoration

u/pavel

-4 with(x)for(c.width|=i=9;i--;fill(arc(X,Y,50+i*50,1,2)))beginPath(fillStyle=R(255*!i,255-i*9)),moveTo(X=960+(80-i*9)*S(t+i/9),Y=i*40+99)
u/pavel

-1 255*!i -> !i<<7

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katkip

remix of d/4804 by u/indjev99

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𩡩𫁴𩑲👠𨱯𫡴𬡡𬱴𚀹𚑠𛁄👢🐾𥀨𚁩𚡩𚱢𚡢𚱴𚐪𚠮𜰭𭀩𞱦𫱲𚁩🐱𞐲𞱩𛐭𞰩𩡯𬠨𪠽𜐰𞀻𪠭𛐻𚑤👄𚀲𛑪𚐫𡀨𞐶𛑪𚐫𜐲𞀬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𩀬𩀬𩀩𛁸𛡦𪑬𫁒𩑣𭀨𪐪𞐬𪠪𞐬𞐬𞐩`.replace(/u../g,'')))

Dec 16 2020 3:07 PM UTC

}// 118/140

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embossed overlapping waves

u/DataMeta

cool!

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rodrigo.siqueira

remix of d/20959 by u/jellyedwards

function u(t) {

c.style.filter=`invert(`
for(e=k=c.width|=w=50;k--;x.fillRect(w|x.rotate(k%w+t/4),9,1,1))
x.setTransform(v=2+k%7,0,0,v,k,(k*k+t*v)*w%e-w*8)

Dec 15 2020 6:23 PM UTC

}// 139/140

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Night snow #snowflake

u/Xen

smooth!
u/pavel

Nice. Here's 126, maybe room for snowflake code with(x)for(fillRect(0,0,i=2e3,i);i--;)clearRect(50,9,!setTransform(s=2+i%7,0,0,s,i,i&&(i*i+t*s)*50%2e3-400),i&&!rotate(i+t/4))

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katkip

function u(t) {

c.width*=1;
c.style.filter="blur(1em)contrast(39)";
for(Z=51;Z--;)x.beginPath(),x.fill(x.arc(960+S(Z*9-t)*20*Z,540+C(Z-t)*20*Z,80,0,7))

Dec 15 2020 12:18 PM UTC

}// 135/140

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u/Xen

nicely done
u/joeytwiddle

#metaballs

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New_Core

remix of d/20988 by u/New_Core

function u(t) {

for(c.width|=f=i=540;i--;x.fillRect(f/2*S(v=i/f*3)*S(w=t+i*19),f/6-i,A=7*S(v)*C(w)+8,A))x.setTransform(a=C(d=S(t)),b=S(d),b,-a,960-d*f,a*f)

Dec 14 2020 11:51 PM UTC

}// 139/140

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a swinging christmas ball

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DataMeta

function u(t) {

eval(unescape(escape`𬠽𣑡𭁨𛡲𨑮𩁯𫐊𭱩𭁨𚁸𚑦𫱲𚁡👲𚀩𛱲𚀩𛱲𚀩𛁪🐵𝰵𞱪𛐭𞱢𩑧𪑮𤁡𭁨𚁦𪑬𫀨𚐩𚐊𩡩𫁬𤱴𮑬𩐽𤠨𩰽𤰨𜐲𞀫𭀦𪠩𚠲𝐵𛁧𛁧𛀮𜐵𛱡𚐬𒡡𬡣𚀶𝀪𚁪𙐳𜠩𛀶𝀪𚁪𛰳𜡼𜀩𛀨𚁢👍𨑴𪀮𨑢𬰨𤰨𭀩𚐪𨐪𞐩🀱𜠸𙠦𨠾𞀩🱢𞠰𛀰𛀷𚐻`.replace(/u../g,'')))

Dec 14 2020 4:50 PM UTC

}// 132/140

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140 version: with(x)for(a=Math.random()*512,j=575;j--;beginPath(fill())) fillStyle=R(g=S(128+t&j)*255,g,g,6/a),arc(64*(j%32),64*(j/32|0),C(S(t))*a/6,0,7)

u/magna

Nice style!

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ntsutae

function u(t) {

for(t*=30,c.width=X=128;X--;)for(Y=72;Y--;)(t+X^t-Y)%41<Y/4&&x.fillRect(X,Y,1,1)

Dec 13 2020 9:38 PM UTC

}// 80/140

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u/magna

Fantastic!

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