Dweets awesomed by u/Agnes

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) {

for(i=25,G=x.createRadialGradient(Q=960,M=540,Q,Q,M,1);i--;x.fillRect(0,0,2e3,2e3))G.addColorStop(i/25,R(F=(i*t)%255,0,F,.05)),x.fillStyle=G

Aug 9 2018 9:22 AM UTC

}// 140/140

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Demonstrating the power of radial gradients.

u/d0n.key

#satisfying
u/joeytwiddle

This works well in my Firefox and Safari. In Chrome it's smooth but so slow.

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Agnes

function u(t) {

for(c.width|=i=2;i--;)for(j=2;j--;)x.fillStyle=(j%2?'hsl(':'hsla(')+'0,100%,50%,.25'+(i%2?')':''),x.fillRect(X=960*i,Y=540*j,958,537)

Aug 8 2018 11:27 AM UTC

}// 133/140

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HSL compatibility tester: depending on how your strict your browser is, one to four of these squares will be pink (technically translucent red).

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Agnes

remix of d/9088 by u/firegodjr

function u(t) {

F=n=>C(n)^T(n/t|0);x.drawImage(c,0,l=9);for(j=214;j--;)x.fillStyle='#'+F(j+t*60^-t*60+j).toString(16).padStart(3,'0'),x.fillRect(j*l,0,l,l)

Aug 4 2018 10:24 AM UTC

}// 139/140

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Fractal Metropolis 1972

Show more comments…
u/katkip

Wow
u/joeytwiddle

Looks so cool and cyber, then come silly green smiley faces
u/katkip

That actually looks like a GOL
u/iverjo

Wow! Interestingly, this is the result of a long remix chain
u/fujimotos

The loop starts here: d/8940
u/donbright

i want a sweater like this
u/tomxor

I love this one!

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Agnes

remix of d/8993 by u/katkip

function u(t) {

B=c.width--;_=t?_.map((v,i)=>v+1+v%i|x.setTransform(Q=-10*i,0,0,-Q,v,$=-20*Q)|x.fillRect(v,0,-B,1)|x.fillText('🐎',-v,S(v+4*t))):[0,0,0,0,0]

Aug 1 2018 1:31 PM UTC

}// 139/140

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Moving 3D view. Had to sacrifice randomness to make this work... :(

u/katkip

Lol, wtf. Weird but funny. Nice.
u/magna

LOL
u/veubeke

:D
u/Agnes

x.fillText('🐎',v/=-25,C(v)) makes the horse movement look way better!

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Agnes

function u(t) {

for(c.width|=l=20;l--;)for(s=189;s--;x.stroke())x.beginPath(P=S(l+5*t)),x.lineWidth=15-5*P+3*S(s+P*15+t),x.arc(960,540,25*l,s/30,(s+1)/30);

Jul 31 2018 10:48 AM UTC

}// 139/140

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You can probably re-create BeesAndBombs's latest (https://twitter.com/beesandbombs/status/1024…) with this but it runs so poorly I didn't feel like doing the last part.

u/Agnes

#beesandbombs #kinda
u/Agnes

Runs perfectly fine at 60 fps in the iPhone browser, but a choppy 10-15 FPS in Chrome on my superpowered work laptop. What a time to be alive.

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New_Core

function u(t) {

for(c.width|=i=140;i--;x.fill())x.beginPath(),x.fillStyle=`hsla(${t*60+i},99%,${99-i}%,.2`,x.arc(960,540,i*(9*S(i/9+t)+9),a=t+i*5,a*.9)

Jul 29 2018 5:02 PM UTC

}// 135/140

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u/iverjo

Smooth
u/aleamb

stylish!!

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Agnes

remix of d/8945 by u/firegodjr

function u(t) {

F=n=>{return C(n)*C(n)+S(n)*S(n)<1}
x.drawImage(c,0,l=10)
for(j=214;j--;)x.fillStyle=F(j^t*60)?"#0f0":"#000",x.fillRect(j*l,0,l,l)

Jul 28 2018 8:15 PM UTC

}// 130/140

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Visualising numbers for which sin(x)*sin(x) + cos(x)*cos(x) < 1.

u/donbright

wait wait wait wait wait.... sin^2 + cos^2 = 1. im so confused. is this about the imprecision of floating point arithmetic?
u/donbright

this is absolutely fascinating... set it ==1 or >1 gives different patterns.
u/donbright

also fun... return S(n)/C(n)==T(n)

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Agnes

remix of d/8938 by u/Xen

function u(t) {

with(x)for(filter='invert(5%)',drawImage(c,-5,-5,1930,1090),i=9;i--;)for(j=4;j--;)fillRect(400+i*99+S(t)*300-T(j*t),400+j*50+T(t*i),50,50);

Jul 27 2018 10:34 AM UTC

}// 139/140

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Glitching through the fog (feat. terrible performance)

u/Agnes

This apparently doesn't work on some browsers.

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marc8

function u(t) {

c.width|=0
t%=62.8
for(i=0;i<t/6.28;i++){x.fillRect(400+i*100+C(t)*300,400,50,200)}
x.fillRect(700+i*100,S(t)<=0?200+200*C(t):0,50,200)

Jul 25 2018 3:10 PM UTC

}// 136/140

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The new dweets' assembly line

u/iverjo

#default
u/aleamb

nice!
u/magna

Smart!

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geb

function u(t) {

for(k=0;k<999;k++){a=h=t/8-2;b=i=k/480-9/8
for(n=0;a*a+b*b<4&&n<64;n++)q=a,a=a*a-b*b+h,b=2*q*b+i
x.fillStyle=R(2**n);x.fillRect(t*64,k,k,2)}

Jul 24 2018 11:58 AM UTC

}// 140/140

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Show more comments…
u/DataMeta

Niiiiice! #fractal
u/zanella

#mandelbrot
u/zanella

#mandelbrot
u/Xen

Very Nice Style
u/aleamb

#fractal
u/joeytwiddle

Nice #mandelbrot #fractal
u/katkip

Noyce.

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