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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Smorg

function u(t) {

for(k=p=150;k--;)for(i=p;i--;)s=12,X=k/20,Y=i/20,l=(X-5*C(Y+t))**2+(Y+6*S(X+t/2))**2-s,x.fillRect(k*s,i*s,s,s),x.fillStyle=R(l>1?l:p-l*s%60)

Aug 19 2023 2:06 AM UTC

}// 140/140

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Mitosis

u/Smorg

Might be very laggy for some. Oops!
u/aleamb

very very awesome!
u/Joachim

#metaballs

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KilledByAPixel

remix of d/28174 by u/KilledByAPixel

function u(t) {

for(i=2e4;i--;x.fillRect(960+z*C(a=i/3183),540+z*S(a),1,.3))z=u[i]=t?u[i]+d:o=g=0,g+=o=i%99?o-g/1e7:Math.random()*2-1,d=g*g/2e5,z-=i**5%d

Jul 24 2023 4:35 AM UTC

}// 137/140

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Geode Sketch ✏️

u/andrea270872

very nice. Looks like a section of a tree!
u/KilledByAPixel

thank you, it could be a tree too

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rodrigo.siqueira

remix of d/28062 by u/redactedhoptional

function u(t) {

c.style.filter=`invert(`
for(c.width=I=J=500;I<5e4;I++)X=I%J,Y=I/J|X,x.fillStyle=R(Y*4,Y*3,Y*2),x.fillRect(248+X-Y/(I%11+X/t/t/9),80+Y,1,1)

Jun 28 2023 2:17 AM UTC

}// 139/140

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u/joeytwiddle

#sierpinski thanos snap

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KilledByAPixel

remix of d/27866 by u/@noel

function u(t) {

for(c.width=i=w=255;i--;)for(j=142;j--;)x.fillRect(i,j,1,((w*(C(a=Math.atan2(X=2*i/w-1,Y=2*j/w-.6))/(d=(X*X+Y*Y)**.5)+t)^w*(S(a)/d+t))&w)/w)

Jun 6 2023 5:16 AM UTC

}// 140/140

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Projection Faster and Uncompressed

u/@noel

I love this one and I follow the logic, until the z & w performing. I know it's a bitwise AND operation on z and w, but I don't actually grasp it.
u/@noel

I mean on this one: x.fillRect(i, j, 1, (z & w) / w)
u/joeytwiddle

Here (z & w) / w is the height of the rectangle. If that height is less than 1, then the canvas anti-aliasing renders a grey pixel, instead of a black one.
u/@noel

Thanks u/joeytwiddle Now I think I get it. (z & w) ensures that the value of z remains within the range of the canvas width 'w', and the dividing by w normalizes the height value. Great trick!

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KilledByAPixel

remix of d/26029 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󨼮󭽩󩍴󪌽󭼽󜜷󜌬󦜽󪬽󜌻󪬼󞜻󚼫󪬩󩭯󬬨󪜽󜝥󜼻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚍩󛜱󛍩󟽹󞭪󙬦󬜬󪜿󜜺󜝥󜼬󪜿󮬾󜌦󙭺󚬲󞭷󚜩󦜫󟝃󚍪󚬨󭌪󪬪󪬯󜬫󪝼󜌩󚬪󜬩󛝙󛽷󛍺󟜨󬜽󝬲󚽪󚜭󚍹󟜹󚽙󚽪󚬹󚜬󮌮󩭩󫍬󤽴󮝬󩜽󪜿󤬨󨜽󜬳󜌭󪬪󪬪󝜬󨜫󨜥󝼹󛜸󜌬󨜯󜬩󞬧󘼰󝝥󜬧`.replace(/u../g,'')))

Apr 30 2023 10:51 PM UTC

}// 140/140

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Parallax Reflections

u/jdspugh

Cool
u/Xen

love it!

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danny@hille.dk

function u(t) {

for(c.width|=i=114;i--;)for(j=66;j--;x.fillRect(i*18-P/2,j*18-P/2,P,P))P=S(((j-i)&(j+i))+t)*9+9

Apr 12 2023 7:58 PM UTC

}// 95/140

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u/tomxor

Weird... I like it :)
u/joeytwiddle

#sierpinski in the machine
u/acets1337

Galaga :D

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rodrigo.siqueira

remix of d/27186 by u/rodrigo.siqueira

function u(t) {

for(i=5e4;i--;x.fillRect(152*X-245,70*Y+540,k=f&t<9,k))X=i*i/t%15,Y=3*T(i+t),f=(3-C(X*2)+S(Y+C(X*9)*C(X)*S(Y*4)))*2,x.fillStyle=R(34*(f&3))

Mar 22 2023 11:31 AM UTC

}// 139/140

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Geometric patterns

Show more comments…
u/joeytwiddle

#pattern Could definitely see these used on tiles
u/UEZ

vintage #wallpaper
u/Joachim

Wow!
u/Xen

love it!
u/danny@hille.dk

Sooo coool!!!
u/danny@hille.dk

Hey, and if you tweak it a bit, you can use it on Valentine's Day -> for(i=5e4;i--;x.fillRect(99*X,77*-Y,k=f&t<2,k))X=i*i/t%20,Y=3*T(i+t),f=(C(X)+S(Y+C(X)*C(X))),x.fillStyle=R(-f*99)

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danny@hille.dk

function u(t) {

for(c.width|=w=i=700;i--;)x.fillRect(960-C(t-i/99+C(t-i/60))*(i/5),w-i,10-i/6,1-i/w);x.fillRect(920,w,90,w)

Mar 17 2023 9:31 PM UTC

}// 107/140

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As the flame is smothered and darkness descends, A poignant reminder that all things must end, Yet amidst the gloom, a glimmer of hope, A new spark waiting, ready to cope, For even in death, life finds a way, And the cycle of light begins anew each day.

u/taupelink

☮️☮️☮️
u/tomxor

Effective
u/cantelope

looks like sin, but then again everything can

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rodrigo.siqueira

remix of d/27120 by u/joeytwiddle

function u(t) {

c.style.filter=`invert(`
for(c.width=j=198;x.shadowBlur=j--/9;x.fillRect(9*C(j%9)+99,9+T(j%9+t)*9,5,5))x.fillStyle=x.shadowColor=R(C(t)*j,j)

Feb 25 2023 8:28 PM UTC

}// 140/140

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Light drops

u/Xen

love it!
u/donbright

interesting how the remix history allows you to trace this, back to some video on a retro music channel on youtube
u/donbright

https://www.dwitter.net/d/2723

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rodrigo.siqueira

remix of d/24693 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(x.strokeStyle=R(i=640);i--;x.stroke())x.beginPath(),x.arc(35**S(t-i/9)+i*3,i%160*8,8+99*C(i/39+t)**4,7,0,7)

Feb 10 2023 3:33 PM UTC

}// 135/140

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Pseudomonas