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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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mildlybean

function u(t) {

R=C;onmousemove=e=>C[~~(e.x/4.4)*64]=1;for(c.width=128,m=8192;m--;n?R[m+1]?0:o<64-1?C[m]=0*(C[m+1]=1):0:0)x.fillRect(m/64|0,o=m%64,n=R[m],n)

Aug 27 2019 11:31 AM UTC

}// 140/140

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Move your mouse over the canvas. Also, try changing 64-1 to 64

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u/mildlybean

Sorry mobile users
u/katkip

awesome
u/metamero

so relaxing #interactive
u/katkip

It's like a City Builder
u/username

Why you use 64-1 instead of 63? 😂
u/tomxor

because that would only be 139 chars silly :P
u/atgz

138* :P

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robbyg

function u(t) {

t||(Z=150,V=Math.random()*5)
x.beginPath()
if(t<4.01)P=t*180|0,x.fillStyle=R(I=P/3%240,I,I),x.fill(x.ellipse(960,900-P,Z+=C(t*V),50,0,0,7))

Aug 26 2019 9:33 PM UTC

}// 139/140

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Vases, inspired by https://codepen.io/Gthibaud/pen/gOYwNPM

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mildlybean

function u(t) {

Z=(X,Y)=>S(X*Y/999+t*9)*9
c.width|=0;for(i=-64;++i<64;)for(j=-64;++j<64;x.fillRect(960+i*d,540-.7*(j+h)*d,3,3))d=3e3/(400+.7*(j-(h=Z(i,j))))

Aug 26 2019 1:51 PM UTC

}// 140/140

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It will graph any equation you put on the first line. Give it a try, I'd love to see your remixes!

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u/mildlybean

S((X*X+Y*Y)**.5/4-t*16)*16 is interesting
u/tomxor

Neat! #application , shameless plug to my old retro version: d/12669
u/tomxor

yours has a much nicer resolution: Z=(X,Y)=>S((X*X^Y*Y)**.1-t*8)*16
u/katkip

Z=(X,Y)=>S(X/9*C(t)+Y/9*S(t))*9 is cute
u/tomxor

moire: Z=(X,Y)=>t
u/katkip

Any formula has a moire actually
u/mildlybean

Especially (X+Y)%2==0?0:S(t*2)*50

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taupelink

remix of d/15493 by u/taupelink

function u(t) {

d=Math.PI/180;x.font='20pt serif';f=frame%360;x.fillStyle=`hsl(${f},99%,30%)`,x.fillText(f,960+1.8*(r=200+30*(f%10))*C(f*d),540-r*S(f*d))

Aug 25 2019 6:52 PM UTC

}// 137/140

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Hues 0-359, arranged so you can see the numbers

u/DataMeta

t*60 instead of frame nets a neat result and shows the precision of frame, or that it uses floor/ceil

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taupelink

remix of d/15514 by u/pavel

function u(t) {

with(x)for(c.width|=i=7,translate(960,540);i--;fillRect(-2e3,-2,4e3,4))rotate(q=.9),beginPath(fill(arc(z=S(t+i*q)*500,0,(5e5-z*z)/1e4,0,7)))

Aug 25 2019 6:30 PM UTC

}// 140/140

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An optical non-illusion remix: The discs appear larger when they're closer to the center...because they are! ;-)

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katkip

function u(t) {

c.width|=0;x.translate(z=960,540);for(i=7;i--;x.fillRect(-z,0,2e3,4))x.beginPath(),x.fill(x.arc(S(t+i*1.68/4)*500,0,50,0,7)),x.rotate(.45)

Aug 24 2019 12:27 PM UTC

}// 138/140

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That #illusion that everybody knows but not very precise because of golfing. https://media1.tenor.com/images/4ba3468dfd7f…

u/aleamb

relaxing!

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DataMeta

remix of d/15449 by u/DataMeta

function u(t) {

c.style.background=R();if(t<2)for(i=1920;i--;)x.fillStyle=R(l=S(t)*i/7,l,l),
x.fillRect(i,540+S(C(t+i/64+l/64))*S(t)*i/4,9,9)

Aug 24 2019 1:04 AM UTC

}// 125/140

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#d3 #shading #lighting

u/pasacaglia

Cool
u/Qwitter

bone paper!

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tomxor

function u(t) {

eval(unescape(escape`瑼簨䄽䈽㠬愽戽〬潮步祵瀽攽㹡㴰Ɐ湫敹摯睮㵥㴾愽ㄹⵥ⹷桩捨⼲⤻景爨挮睩摴栽㘴ⱁⴽ愬䈭㵢Ⱪ㴳攳㭩ⴭ㭢㵚㰱㽢ⴴ攭㘺⸱⥸⹦楬汒散琨堽椦㘳ⱙ㵩㸾㘬娽ℨ䅞塼䉞天⴨吨⡙㵙⼳⭂⵴⨹⤫堯㍞堯㌭天㰵⤯㈬ㄩ`.replace(/u(..)/g,"$1%")))

Aug 23 2019 12:50 PM UTC

}// 140/140

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Don't Fall ! #game

u/tomxor

Use left + right... be fast
u/katkip

#genius ! Awesome! #compressed
u/aleamb

awesome! #interactive
u/sigveseb

woah, awesome idea!

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taupelink

function u(t) {

r=Math.random;x.font='24pt Courier New';f=frame%360;f?(x.fillStyle=`hsl(${f},90%,30%)`,x.fillText(f,r()*1920,r()*1080)):(c.width|=0)

Aug 22 2019 5:47 PM UTC

}// 132/140

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Hues 1-359, scattered about randomly

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mildlybean

function u(t) {

c.width+=0;for(i=-64;++i<65;)for(j=-64;++j<65;)x.fillStyle='#03F',x.fillRect(i*S(t)*8.4+j*C(t)*8.4+960,(i^j)*8.4+540,5,5)//first dweet <140!

Aug 22 2019 5:27 PM UTC

}// 140/140

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Plot of XOR function

u/taupelink

very cool!
u/katkip

WOW
u/KilledByAPixel

👍
u/django

really cool, welcome to dwitter!

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