Top dweets of all time

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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pavel

function u(t) {

for(c.width=640,i=8;i--;x.stroke())x.beginPath(r=150*2/3*(i>1)),x.arc(320+r*C(a=Math.PI/3*i+t),180+r*S(a),150*(i?1/3:1),0,7)

Jan 4 2020 9:07 PM UTC

}// 124/140

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d/17063 #explanation

u/pavel

If you take every point on this picture, turn it into z=x+i*y and feed it through (sqrt(3)+z)/(1+sqrt(3)*z) then decode the resulting complex number as (x', y') and put a point there, you will get d/17063.
u/pavel

Of course you can't take infinitely many points so you will get a pixelated version. To get a proper version you need to solve the equation for the new, mapped, circle given the old circle so that you can use x.arc..

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robbyg

remix of d/17061 by u/robbyg

function u(t) {

for(c.width|=j=0;j<10;x.fillStyle=R(++j*30))for(i=540;i--;)x.fillRect(Math.acos(C(t+i*.9*j/1000))*520,i*2,i/2.5,2)

Jan 3 2020 7:40 PM UTC

}// 114/140

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u/katkip

fancy

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LydianLights

function u(t) {

for(i=W=!t*1920;i;i-=4)for(j=1080;j;j-=4){a=A=i/640-2;b=B=.8-j/640;n=9;while(--n&&a*a+b*b<4){d=a*a-b*b+A;b=2*a*b+B;a=d}n&&x.fillText(n,i,j)}

Dec 20 2019 6:05 AM UTC

}// 140/140

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Huge improvement over my last Mandelbrot! I learned some tricks from y'all :D

u/katkip

#mandelbrot #fractal
u/LydianLights

Just noticed that this looks different on different computers because of the fillText(). It also looks trippy if you resize the page!

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rodrigo.siqueira

remix of d/15961 by u/keithclark

function u(t) {

for(k=i=1e3;z=--i/8;x.fillRect(k+S(m=k*j^k)*r-z*C(j)*8,440+C(m)*r*(1+C(t*9)/3)+z*4,s=5e3/z,s))j=i/k+t,r=1e4/z,x.fillStyle=R(90+S(j*7)*70)

Nov 29 2019 11:58 AM UTC

}// 137/140

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Hole to Hell #tunnel

u/katkip

what does antman see when travelling in thanos butt

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tomxor

function u(t) {

c.width=99;x.fillRect(X+=a=S(X/30)<0?-a:a,Y+=b=Y>52?-b:b+.3,4,4)}{X=b=Y=a=1

Oct 26 2019 2:20 PM UTC

}// 75/140

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75byte #physics

u/tomxor

Perfect collision integration, since uniform gravity is constant it should cancel out in such a simple case, in which case integration can be skipped on a collision interval ?-b:b+.3 this is why it doesn't loose or gain significant hight on average
u/tomxor

To make it absolutely perfect this can also be changed to ?-b:b+.25 which will eliminate integration error since .25 is a non periodic binary fraction... it will bounce forever :)
u/tomxor

... but that would cost an extra byte so its no good !

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RealPeha

function u(t) {

for(x[s="fillStyle"]=R(),x[f="fillRect"](a=8e3*t,b=600*C(C(260*t)),155,d=1e3-b),x[s]="#ff0";t++<d/34;)x[f](a+9+t%4*33,b+50+t%5*50,9,20)

Oct 25 2019 7:25 AM UTC

}// 135/140

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Night city

u/RealPeha

#city
u/Xen

love it
u/aleamb

love it!
u/philipkd

Nice, reminds me of those old flying toaster screensavers
u/joeytwiddle

#city #scene

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rodrigo.siqueira

remix of d/14479 by u/rodrigo.siqueira

function u(t) {

v=(a,b,Φ,r)=>{for(i=~r;i++;)x.fillRect(a-=S(Φ),b-=C(Φ),r/70,.6)
while(r>8)v(a,b,Φ+S(b)/3,r*=.7)}
v(~~t*177%2e3,1e3-t*20,0,99*(t%(K=3-t/25)))

Oct 23 2019 3:08 PM UTC

}// 140/140

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Crop Growth #organic #fractal #tree #plant

u/Xen

nice
u/joeytwiddle

Look like slithy toves to me

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KilledByAPixel

remix of d/15272 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁦𪑬𫁒𩑣𭀨𜀬𜀬𨰮𭱩𩁴𪁼🐰𛀲𩐳𚐬𪰽𝀹𞱫𛐭𞱦𪑬𫁓𭁹𫁥👫𛐲𜠿𘠣𡡆𡠢𞠧𤡅𡀧𛁦𪑬𫀨𚐬𨡥𩱩𫡐𨑴𪀨𭀽𛑴𚐩𩡯𬠨𪠽𪰭𜠲🰴𞀺𞐶𞱪𛐭𞱡𬡣𚁫𙐹𚡷𛀶𜀫𚁺👫𛰹𯀰𚐪𭰬𞐹𚰴𜀪𚁪𙐱𜠾𝠩𛁱👴𚠲𚱪𛰱𝐮𜰫𪰯𜐮𜠷𜰬𬐩𚑷🐲𝀰`.replace(/u../g,'')))

Oct 18 2019 5:03 PM UTC

}// 138/140

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Misfit Gears ⚙️

u/katkip

#genius
u/aleamb

superb!! amazing!
u/aleamb

#gears
u/KilledByAPixel

#Inktober day 18: Misfit
u/cantelope

bruh

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁳𪁡𩁯𭱂𫁵𬠽𜠹𛁳𪁡𩁯𭱃𫱬𫱲🐢𘰰𜀰𘠬𭀪👩🐹𞐻𪐭𛐻𩡩𫁬𚀩𚑢𩑧𪑮𤁡𭁨𚁲🐨𝀫𤰨𭀩𚐪𪐯𝀩𛁥𫁬𪑰𬱥𚁴𚠹𙐲𩐳𚱃𚁡👩𚡴𚐪𬠬𤰨𭀪𭀩𚠲𩐳𚱓𚁡𚐪𬠬𬠬𬠯𜰬𨐬𜀬𝰩𛁦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𭀪𭀥𜰶𜁽𘀹𞐥𙁻𚁴𙐹𞐩𚱩𛐵𜁽𙑠`.replace(/u../g,'')))

Oct 15 2019 6:05 AM UTC

}// 139/140

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Overgrown Flowers ✿

u/katkip

broken on mobile
u/KilledByAPixel

#Inktober day 14: Overgrown

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larzuk

function u(t) {

k=24,g=80|0;for(i=0;i<g*45;i++){j=i%g,h=i/g|0,m=Math.sqrt((j-40)**2+(h-k)**2)/2+S(h-t*k);x.fillStyle=R(m,k-m<<3,);x.fillRect(j*k,h*k,k,k);}

Oct 10 2019 2:56 PM UTC

}// 139/140

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VintageTerminal

u/aleamb

love it!
u/metamero

ultra cool
u/aleamb

I have no idea what tags can i put
u/metamero

#retro #crt
u/larzuk

:D