Dweets awesomed by u/ellisk1

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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Agnes

function u(t) {

x.fillStyle=R(M=2e3,M,M,.1);G=()=>45-90*Math.random();x.fillRect(0,0,M,M);x.stroke(new Path2D(Q=t&&Q.length<M?Q+'l'+G()+' '+G():'M960 540'))

Jan 17 2019 9:52 AM UTC

}// 140/140

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Fading scribbles

u/Agnes

#path2d

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katkip

remix of d/11741 by u/katkip

function u(t) {

c.width^=0;for(i=800;i--;)x.lineTo(960+S(i*S(i)+t/9)*500,540+C(i*S(i)+t/9)*500);x.fill()

Jan 11 2019 2:46 PM UTC

}// 88/140

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#earth planet

u/13thptr

woah
u/username

does not look like earth though
u/joeytwiddle

It does look like a #planet though. Cool effect for 88
u/katkip

That line in the middle looks a bit like Rusia
u/magna

Awesome technique! You could potentially add a way to "seed" the generation with a number and then search for a seed that resembles the Earth the most using brute-force.

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ellisk1

remix of d/8575 by u/New_Core

function u(t) {

c.width*=1;with(x)for(scale(k=66,99);k++<165;fill(arc(X,Y,b,b,1.7)))beginPath(fillStyle=R(k)),arc(X=k%30+S(t+=k),Y=12-t*k/30%14,1,1.6,b=1.3)

Jan 10 2019 8:46 PM UTC

}// 140/140

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99 Red #balloons

u/magna

I counted 3443 and still counting. I want my money back!

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joeytwiddle

remix of d/11709 by u/joeytwiddle

function u(t) {

t%1<.01&&(p=(X,Y,W,I,H=W/2)=>H>1?[0,1,2,3].map(i=>p(X+i%2*H,Y+H*(i>1),H,I*Math.random()**.2)):x.fillRect(X,Y,I,I))(0,0,c.width=R=512,5)

Jan 10 2019 10:29 AM UTC

}// 135/140

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golfed #recursive #fractal #cloud

u/katkip

#massive
u/joeytwiddle

guess: What happens if you remove one of the numbers from the list?
u/f8f82804

Neat trick with just three numbers :) It took me a minute...

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joeytwiddle

function u(t) {

c.width|=p=(X,Y,W,I,H=W/2)=>H>2?(p(X,Y,H,I*=Math.random()**.2),p(X+H,Y,H,I),p(X,Y+H,H,I),p(X+H,Y+H,H,I)):x.fillRect(X,Y,I,I),p(0,0,R=1024,9)

Jan 9 2019 3:15 PM UTC

}// 140/140

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a sort of rough #recursive #plasma #fractal

u/joeytwiddle

Ideally we would keep the edges smooth, by holding an intensity for each corner instead of the entire square
u/joeytwiddle

W=width, H=half width, I=intensity, p=plot/plasma/partition
u/joeytwiddle

p calls p four times for each sub-square, with a randomly smaller I

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stellartux

function u(t) {

c.width^=0
v=99,z=999
x.font='128px a'
x.translate(z,v)
for(i=0;i<z;i+=v)for(j=v;j<z;j+=v){x.rotate(C(z))
x.fillText('🥝',i,j+v*S(t+i*v))}

Jan 9 2019 7:59 AM UTC

}// 137/140

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Floating in the kiwi dimension

u/metamero

it works in mozilla (chrome won't)
u/joeytwiddle

Working here in Chrome for Linux. May just be the emoji set?
u/f8f82804

#emoji

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rnbw

function u(t) {

c.width^=0
x.fillStyle='#3ad3'
for(i=-1;i++<8;)x.fill(x.arc(960+S(t+i*.9)*500*(j=Math.min(i,1)),j*400+C(t+i*.9)*129*j+300,0,0,0))

Jan 7 2019 4:48 PM UTC

}// 129/140

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my first dweet of 2019 :D

Show more comments…
u/rnbw

(in which i learned heptagons are surprisingly efficient - tau/7 can be rounded and shortened to 2 characters!)
u/DataMeta

Very nice!
u/lionleaf

#diamond -looking
u/lionleaf

Clean and nice #gem
u/joeytwiddle

Nice! #model is how I tag 3d objects/shapes
u/f8f82804

#d3

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Nosferatu

function u(t) {

c.width=700;p=t*50;
for(i=0;i++<80;){p+=10+S((i+t*7)/12.74)*9;q=p/127.4;x.moveTo(320,200);x.lineTo(320+S(q)*190,200+C(q)*190);}
x.stroke();

Jan 6 2019 6:37 PM UTC

}// 139/140

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u/Xen

Nice!

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DataMeta

remix of d/8910 by u/DataMeta

function u(t) {

for(i=192;i--;)j=C(t-i)*7*i,k=i*9,x.setTransform(k,0,0,k,960,540),
x.rotate(i/(2+t/99)),x.fillStyle=R(j*2,i,i-j,.8),x.fillRect(g=.01,g,.7,g)

Jan 5 2019 9:08 PM UTC

}// 140/140

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fullscreen recommended

u/joeytwiddle

hypnotic
u/joeytwiddle

#colors

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metamero

remix of d/11640 by u/metamero

function u(t) {

i=frame%32 
j=(frame-i)/32
a=Math.random(onclick=reset)>.5?9:129
i%2^j%2&&x.fillRect(60*i-(a>9?60:0),60*j-(a>9?0:60),a,a>9?9:129)

Jan 4 2019 11:07 PM UTC

}// 129/140

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yet another #maze (same idea as classic but twisted implementation)

u/katkip

guess you can't make it solvable

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