Dweets awesomed by u/Ath0r

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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eph_aim

remix of d/12877 by u/katkip

function u(t) {

q=0.01;t||(K=X=Y=0);for(i=999;i--;)x.fillRect(960+S(Y*q)*(2-X),540+C(Y*q)*(200-X),2,2),X+=C(Y*2)*9,Y+=S(X/(K/99+99))*111,K++

Mar 26 2019 12:06 AM UTC

}// 124/140

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Dragon Eye

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marc8

remix of d/12844 by u/marc8

function u(t) {

c.width|=p=-.5
g=(a,b)=>{for(i=6.28;i>0;){z=S(b*t+i*20+a/340)
x.arc(a,550,999+90*(z>p?z>1+p?1+p:z:p),i-=.01,i)}}
g(0,-6)
x.fill(g(2e3,6))

Mar 24 2019 5:23 PM UTC

}// 137/140

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Better shaped gears thanks to your suggestions

u/katkip

Awesome! even if I don't understand anything of the code
u/katkip

#gear
u/Qwitter

Mesmerizing

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vinca

function u(t) {

for(0==t&&(c.width=960,x.translate(480,270),A=.09),X=480,Y=(0|50*t)%540-270;X>=-480;--X)Math.log(A*X*X)>T(A*A*X*Y)&&x.fillRect(X,Y,1,1)

Mar 24 2019 8:19 AM UTC

}// 135/140

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u/meowterspace

can you please explain your code so i can learn how to do this
u/vinca

I use this tool. https://imgur.com/GKPVSJd The formula for displaying this screen is "log (x ^ 2)> tan (xy)".

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vinca

function u(t) {

for(0==t&&(c.width=960,x.translate(480,270),A=.03),X=480,Y=(0|50*t)%540-270;X>=-480;--X)T(A*X)*T(A*Y)>S(A*A*X*Y)&&x.fillRect(X,Y,1,1)

Mar 24 2019 8:00 AM UTC

}// 133/140

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Show more comments…
u/katkip

This is #beautiful! How did you discover this?
u/Xen

Love it!
u/magna

WOW!
u/aleamb

dude!
u/vinca

I found a formula using this tool https://imgur.com/GKPVSJd
u/aleamb

#math #inecuation
u/robbyg

Awesome stuff, and thanks for sharing the tool! 111 bytes (but with no slow reveal): if(!t)for(Y=V=270,A=.03;V>-Y;V--)for(H=X=480;H>-X;H--)T(A*H)*T(A*V)>S(A*A*H*V)&&x.fillRect(H*2+X*2,V*2+Y*2,2,2)

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vinca

function u(t) {

with(c.width|=0,x){rotate(S(t*.1)*.1);for(i=19;--i;)for(j=10;--j;)rect(i*99+99*S(t+i+j),j*99+9*C(t+i+j),150,150);fill('evenodd')}

Mar 23 2019 5:53 AM UTC

}// 129/140

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LimeLaser

remix of d/12799 by u/Jezza

function u(t) {

x.globalAlpha=.025
x.fillRect(0,0,1920,1080)
for(i=45;--i;)
x.clearRect(960+320*C(i+t)+640*S(i-t)-25,540+540*S(i+t)-25,50,50)

Mar 22 2019 11:39 PM UTC

}// 125/140

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Venus Flytrap Trails

u/Jezza

So great!

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geb

remix of d/12858 by u/vinca

function u(t) {

for(c.width|=0,j=9,t*=.9;j--;){for(i=9;i>0;i-=7/99)r=99*i,x.fillText("░▓░",1e3+r*S(i+j*S(t)),500+r*C(i+j+C(t)))}

Mar 22 2019 9:39 PM UTC

}// 112/140

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yokljo

function u(t) {

c.style.filter='invert(1)'
for(i=190;i--;)o=300+i*Math.random()*C(t),j=i/50,x.fillRect(960+S(t*i+j)*o,540+C(t*i/3+j)*o,2,o/i/20)

Mar 21 2019 12:13 PM UTC

}// 128/140

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Give it at least 10 seconds to start looking nice. After about a minute it's desktop-background-worthy :)

u/Jezza

#waitforit
u/geb

#background

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marc8

function u(t) {

c.width|=d=.01
function g(a,b,n,r){for(i=6.28;i>0;)x.arc(a,550,r+50*(S(b*t+i*n)>0),i-=d,i)}x.fill(g(1400,9,14,300));x.fill(g(600,-9,21,450))

Mar 20 2019 10:39 PM UTC

}// 140/140

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Very rough gears. Don't try this at home.

u/tomxor

With an arrow function there is enough space for some tapered gears :) g=(a,b,n,r)=>{ then i-=d,i+.05)
u/tomxor

Arrow function seems to need a space after the } though !
u/somebody

c.width+=0 and replacing d with .1 directly saves two bytes. might be able to improve the tapering or something
u/katkip

#gear
u/aleamb

amazing!

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tomxor

function u(t) {

eval(unescape(escape`挮睩摴栽㈴〻挮獴祬攽❦楬瑥爺獥灩愨ㄩ楮癥牴⠱✻景爨椽㉥㐻椭ⴻ⥸⹦楬汒散琨ㄲ〫㔰⩓⡘㵩┱㈰⼳㤩⩃⡙㵩⼶攳⤭䌨夫琩⨨娽匨匨堯太㠫堪ㄶ⭴⨲⤫匨太㐩⭴⤩ⰶ㜫㔰⩃⡘⤭䌨堫琩⩚ⱓ⡘⤬䌨夫娯㈫堫琩⤻`.replace(/u(..)/g,"$1%")))

Mar 20 2019 12:56 AM UTC

}// 140/140

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Water World #planet #space

u/lionleaf

#compressed #shading I'm really enjoying all these space related dweets
u/tomxor

Thanks lion :) glad your enjoying them, I think i've almost run out of things ot map to pseudo spheres now though :P
u/rnbw

breathtaking

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