Dweets awesomed by u/geb

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: #Opposites

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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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geb

remix of d/12304 by u/pavel

function u(t) {

for(c.width|=i=20;i--;x.rect(~-r,~-r,2*r,2*r))r=(i-3*t%2)*55,r*=r>0,x.setTransform(1,~0,1,1,0,555),x.rotate(2**-r);x.fill('evenodd')

Feb 12 2019 1:27 PM UTC

}// 132/140

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due

function u(t) {

c.width|=t%=3.14,x.fillStyle='#e62739',x.scale(10,10),p=210;for(i=p;i;i--)for(j=p;j;j--)
if(j&i)x.fillRect(i/C(t/10), j/S(t), 4*C(t), S(t));

Feb 11 2019 9:48 PM UTC

}// 140/140

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Melty sierpinski (lazy dweet)

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pavel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨𯀽𬐽𛠵𜠬𪠽𝰻𬠽𝰵𚡪𛐭𞰩𩡯𬠨𨱬𩑡𬡒𩑣𭀨𛠮𛡯👛𞐶𜀭𬠬𝐴𜀭𬠬𬠪🐲𛁲𧐩𛁣𫁩𬀨𬡥𨱴𚀮𛠮𫰩𚐬𪐽𜐲𞱩𛐭𞱦𪑬𫀨𨑲𨰨𞐶𜀬𝐴𜀬𬠬𨐽𭀪𚀸𛑪𚐯𜐶𚱩𚡱𛁡𚰽𬐯𜠩𚐩𨡥𩱩𫡐𨑴𪀨𚐬𫑯𭡥𥁯𚀹𝠰𛀵𝀰𚐻`.replace(/u../g,'')))

Feb 11 2019 9:04 PM UTC

}// 133/140

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➰ #beesandbombs

u/pavel

179 with(x)for(c.width|=q=.52,j=7;r=75*j--;)for(clearRect(...o=[960-r,540-r,r*=2,r]),clip(rect(...o)),i=12;i--;fill(arc(960,540,r,a=t*(8-j)/16+i*q,a+=q/2)))beginPath(),moveTo(960,540)
u/BuRRak

It shows 223/140 for me, Chrome 72.0.3626.96
u/pavel

This was compressed using d/11852
u/pavel

#compressed

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rodrigo.siqueira

function u(t) {

c.width|=X=Y=Z=6;for(i=3e3;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*2)*10,1130-Z*22,6,9)

Feb 11 2019 12:26 AM UTC

}// 133/140

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Butterfly effect using Lorenz nonlinear equations with chaotic behavior. #Lorenz #attractor

u/katkip

#cute btw

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xem

function u(t) {

c.width^=0;x.font="300px arial";s=(t*500)%1080;z=(a,b,c)=>x.fillText(a,(~~(s/b))*b,c);z("15fps",32,300);z("30fps",16,675);z("60fps",8,1050)

Feb 10 2019 7:46 PM UTC

}// 139/140

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How fast are your eyes?

u/magna

Nice!
u/Galaxtone

(People who think you can only view 30fps): No you just cheated and made 60fps -> 30, 30 -> 15 and 15 ->
u/Galaxtone

7.5*
u/Galaxtone

and I'm like (Me): Why would anyone lie on the internet

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁞🐰𞱦🐨𦀬𦐬𬰬𮠽𬰯𚀴𚱃𚁴𚐩𚐽🡻𪑦𚁳🠲𚑸𛡦𪑬𫁒𩑣𭀨𦀭𬰯𜠬𦐭𬰯𜠬𬰬𬰩𛁦𚁘𛑳𛁙𛁺𚐬𩠨𦀬𦐭𬰬𮠩𛁦𚁘𛁙𚱳𛁺𚐬𩠨𦀫𬰬𦐬𮠩𛁦𚁘𚱳𛁙𚱳𛁺𚐬𩠨𦀭𬰬𦐫𬰬𮠩𛁦𚁘𛑳𛁙𛑳𛁺𚐬𩠨𦀫𬰬𦐭𬰬𮠩𯐻𩠨𞐶𜀬𝐴𜀬𜰰𜀩`.replace(/u../g,'')))

Feb 10 2019 1:47 PM UTC

}// 134/140

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#sierpinski carpet but #compressed

u/cantelope

You say "but" like compressed is a bad thing :P cool dweet!

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geb

remix of d/12249 by u/pavel

function u(t) {

n=99;for(c.width|=p=710/113,x.scale(9,9),i=n;j=i--*p/n;x.arc(n+15*C(A=t/n+i*p/3),66+15*S(A),n/3,a=(j-t),a+1));x.stroke()

Feb 10 2019 12:48 PM UTC

}// 120/140

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rodrigo.siqueira

remix of d/12257 by u/rodrigo.siqueira

function u(t) {

Xp=X=Y=
x.globalAlpha=.3
for(i=2e3;i--;){
X=Y**.4+t/9
Y=-.15*Xp+2.7*Y-Y*Y*Y
Xp=X
x.fillRect(X*850-300,Y*600,1,1)
}

Feb 9 2019 3:51 PM UTC

}// 114/140

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The Bifurcation Map appears again! Here it's a variation of the Duffing map equation. #attractor

u/joeytwiddle

It's going backwards :-O

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katkip

function u(t) {

a='',s="ȺǹɎȍɎǹ ǴɉǪȿɄǹȰ";for(c of s)a+=String.fromCharCode(c.charCodeAt(0)/5/**/+C(c.charCodeAt(0)+t*2)*2/**/);throw a

Feb 9 2019 11:12 AM UTC

}// 117/140

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find the secret message #interactive

u/joeytwiddle

#puzzle

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