Dweets awesomed by u/corporateanon

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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katkip

function u(t) {

eval(unescape(escape`砮杬潢慬䅬灨愽⸱㭸⹦楬汒散琨〬〬㉥㌬㉥㌩㭲㵍慴栮牡湤潭㭦㵰㴾匨⵰⼴㈫琪㈩㱓⡴⤻景爨椽㠹㤻椭ⴻ⥻堽爨⤪ㄹ㄰ⱙ㵲⠩⨱〷〻楦⡦⡙⼴幘⼴⤩砮捬敡牒散琨堬夬㄰ⰱ〩紻`.replace(/u(..)/g,"$1%")))

Mar 9 2019 8:58 AM UTC

}// 125/140

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Electricity. Sadly, #compressed x.globalAlpha=.1;x.fillRect(0,0,2e3,2e3);r=Math.random;f=p=>S(-p/42+t*2)<S(t);for(i=899;i--;){X=r()*1910,Y=r()*1070;if(f(Y/4^X/4))x.clearRect(X,Y,10,10)};

u/magna

Lovely aesthetic
u/corporateanon

Sometimes i see something like this before i fall asleep
u/mcdxn

or after sneezing!

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Xen

remix of d/12619 by u/Nexrem

function u(t) {

z=950;for(c.width|=i=2e3;i--;x.lineTo(z+C(i-1)*z,540+S(t+i/3)*540))x.moveTo(z+C(i)*z,540+S(t-i/.6)*540);x.stroke()

Mar 5 2019 1:24 PM UTC

}// 114/140

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u/Nexrem

Nice, I tried something similar but didnt have enough chaes to scale the timing down for a smooth animation

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marc8

function u(t) {

c.width=w=360;i=0
r=_=>Math.random()*256
while(i<=w){x.fillStyle=i<w?R(r(),r(),r()):"#43A"
x.fillRect(0,i,w,i+=2)}x.fillRect(40,20,280,160)

Mar 4 2019 10:51 PM UTC

}// 139/140

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Show more comments…
u/tomxor

Oh crap :D it all came flooding back, now i gota go play llamatron
u/tomxor

#retro #amiga
u/tomxor

I love this, we need more retro!
u/tomxor

I did the atari loading bee :P d/12717
u/Jezza

I love this!
u/marc8

#c64
u/UEZ

#decruncher

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corporateanon

function u(t) {

x.clearRect(0,0,2e3,2e3)
for(i=0;i<20;i+=.1){
y=C(i*4+t/7)*50
x.fillRect(C(i*15+t)*500+1e3,S(i*5)*500+550,y,y)
}

Feb 21 2019 6:15 AM UTC

}// 112/140

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corporateanon

function u(t) {

x.clearRect(0,0,2e3,2e3);
for(b=0;b<20;b+=0.05){
m=50+50*C(b+t*8)
x.fillRect(b*100,500+C(b+t*10)*200,m,m);
}

Feb 21 2019 5:57 AM UTC

}// 108/140

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corporateanon

function u(t) {

x.clearRect(0,0,2e3,2e3);
for(b=0;b<20;b+=1){
m=50+50*C(b+t*9.9)
x.fillRect(b*100,500+C(b+t*10)*200,m,m);
}

Feb 21 2019 5:56 AM UTC

}// 107/140

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u/hells-fargo

the spring is twisting like a barber pole, i like it

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rodrigo.siqueira

remix of d/12434 by u/katkip

function u(t) {

t||(a=b=0)
for(i=8000;i--;)x.fillRect(560+b*C(a),540+b*S(a),1,1),a+=.847*C(t+5*a)+C(t),b+=.002

Feb 20 2019 9:25 PM UTC

}// 94/140

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The Eye of Bifurcation #bifurcation

u/geb

All I see is the number triangle https://www.dwitter.net/d/10794

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rodrigo.siqueira

remix of d/12356 by u/pavel

function u(t) {

c.width^=f=(X,Y,r,a)=>r>1.4&&x.lineTo(X,Y)|f(X+C(a-=.2)*r,Y+S(a)*r,r-r/(9-C(t)*7),a-.1)|f(X,Y,r/3,a+3)
f(680,9,185,2,2)|x.stroke()

Feb 17 2019 12:56 AM UTC

}// 130/140

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Plant growth #spiral #fractal

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rodrigo.siqueira

remix of d/12287 by u/rodrigo.siqueira

function u(t) {

c.width|=X=Y=Z=6;for(i=2e3;i--;)X+=.1*(Y-X),Y+=.01*(X*(29-Z)-Y),
Z+=.01*(X*Y-1.6*Z),x.fillRect(960+X*30+Y*C(t*45)*9,2e3-999*t%2e3-Z*22,8,9)

Feb 13 2019 12:50 AM UTC

}// 139/140

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Lorenz, the Butterfly. #attractor #lorenz

u/joeytwiddle

:-D
u/sigveseb

Haha nice one :)

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rodrigo.siqueira

remix of d/12312 by u/robbyg

function u(t) {

c.width|=B=(X,Y,A,L,h,v)=>L>7&&(x.lineTo(h=X+C(A)*L,v=Y-S(A)*L),B(h,v,A-t/8,L*.73),B(h,v,A+t/2,L*.73))
B(800,890,1,260)
x.stroke()

Feb 12 2019 10:36 PM UTC

}// 130/140

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Plants, thorns and dragon curves #fractal

u/katkip

Wow! Amazing
u/robbyg

I was hoping someone would come up with something better to do with that function. Awesome! :)

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