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: #Food

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andrea270872

function u(t) {

c.onclick=_=>{T=9}
x.fillRect(0,0,2e3,2e3)
T|=0
A=T?(T--/9)**2*30:50
for(i=30;i--;x.fillText('👀',(t+i)%7*300-A,S(i)*i*40))x.font=A+i+"px'"

Mar 23 2019 9:25 PM UTC

}// 138/140

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Blinking eyes (click to make them blink)

u/andrea270872

#interactive

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DataMeta

function u(t) {

c.style.background=R()
with(x)for(w=i=256;i--;beginPath(fill()))fillStyle=R(i,k=C(i)*i*.6,-k,.3),arc(960+w*S(t+.993*i^0),540+w*S(t+i),4,0,7)

Mar 21 2019 6:22 PM UTC

}// 140/140

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warm colors

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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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tomxor

function u(t) {

eval(unescape(escape`挮睩摴栽㐸〻挮獴祬攽❦楬瑥爺楮癥牴⠱⥳数楡⠱✻景爨椽㉥㐻椭ⴻ⥸⹦楬汒散琨㈴〫㤹⩓⡘㵩┱㈰⼳㤩⩃⡙㵩⼶攳⤭䌨夫琩⨨娽匨匨太㐩⽃⡘⨱㘯天⤪⨵⨸⤬ㄳ㔫㤹⩃⡘⤭䌨堫琩⩚ⱓ⡘⤬䌨夫娯ㄶ⭴⤪⨷⨳⤻`.replace(/u(..)/g,"$1%")))

Mar 18 2019 11:00 PM UTC

}// 140/140

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Super Dune #planet #space

u/tomxor

A tumultuous and dusty planet trapped in the middle of a binary star system (my excuse for lighting both sides :D). prepend t/=6; if you have a crazy fast GPU
u/lionleaf

Wow, this one is simply amazing!
u/aleamb

wow! superb! amazing!
u/iverjo

Very good!
u/vain

Unbelievable great bump map like fx

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tomxor

remix of d/12779 by u/tomxor

function u(t) {

eval(unescape(escape`琽琯㤫ㄮ㜻挮睩摴栽㈴〻挮獴祬攽❦楬瑥爺楮癥牴⠱✻景爨椽㉥㐻椭ⴻ⥸⹦楬汒散琨㔴〪䌨堽ㄮ㔷⵩┱㠰⼳㤰⤬㘰〫㔴〪匨堩⩃⡙㴳⸱⵩⼴攴⤭匨䌨匨太㈰⤫匨堪㈰⤩⨳⤪⨳⨶ⰱⰨ䬽䌨夫琩⨹⤼⸱㼮ㄺ䬾ㄿㄺ䬩`.replace(/u(..)/g,"$1%")))

Mar 17 2019 3:08 PM UTC

}// 140/140

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Moon Sunrise #moon #space

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u/Xen

impressive!
u/magna

wow!
u/Jezza

Cool!
u/sigveseb

Holy shit that's good
u/joeytwiddle

Gosh! #lighting
u/lionleaf

#planet amazing!
u/lionleaf

Well, not really a #planet but related to the hashtag :)
u/joeytwiddle

#hiddengem
u/DataMeta

Demarcate the gem before it's hidden! ;D
u/katkip

#compressed
u/jdspugh

Wow

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marc8

function u(t) {

c.width=480
z=99
for(j=-2*z;j<2*z;j++)
{k=j<-z?j+z:j>z?z-j:0
for(i=0;i<9;i++)x.fillRect(z+i*25+S(t)*75+2*k*C(t+k/z),z+j/4,12+10*k/z,1+k/z)}

Mar 15 2019 4:00 PM UTC

}// 140/140

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#default

u/Xen

nice
u/tomxor

Eery, feels like some kind of swimming creature!

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andrea270872

function u(t) {

c.width|=r=Math.random
A=[K=500,K,r()*5-2,-r()*10]
P=t?P.map(([i,j,u,v]=e)=>[(i+u)%2e3,j+v,u,v+.1,x.fillRect(i,j,8,8)]):[A]
P[K]?0:P.push(A)

Mar 15 2019 11:30 AM UTC

}// 140/140

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Particle Fountain, variable number of particles, max 500, non-repeating

u/andrea270872

Thanks to LimeLaser for the examples on the use of arrays!
u/katkip

#firework
u/LimeLaser

This is great, I dig it!

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yokljo

remix of d/12755 by u/Jezza

function u(t) {

x.fillRect(0,0,1920,1080)
X=C(t)*4+16
Y=S(t)*2+9
for(i=9;i--;)Z=S(Y),Y+=S(X),X+=Z,x.clearRect(X*60,Y*60,3*i,3*i)

Mar 15 2019 9:24 AM UTC

}// 112/140

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I haven't actually put the time into understanding how this works, but that doesn't stop me from remixing it!

u/lionleaf

#attractor :)

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jellyedwards

remix of d/12732 by u/marc8

function u(t) {

c.width=w=320
t%=9
for(i=0;i<w;i++)z=1-(S(k=(i-w/2)/9)/k),x.globalAlpha=z*t/9,x.lineTo(i,1+z*6*t),x.fillRect(i,80,1,70)
x.stroke()

Mar 15 2019 8:25 AM UTC

}// 130/140

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added a bit of animation to it

u/DataMeta

#hiddengem

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