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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visy

function u(t) {

for(i=255;i>0;i--)
z=i+t,ss=(C(t*10.+i)+i*t*.1*S(t*i*.1)),x.fillStyle=R(i,i*2-ss,i*3-ss,0.2),x.fillRect(960+S(z)*ss, 540+C(z)*ss, 5, 5)

Feb 23 2017 1:59 PM UTC

}// 135/140

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recursive

function u(t) {

for(X=0;X<2e3;X+=64)for(Y=0;Y<2e3;Y+=64)x.fillStyle=R(d=300-((Y-540-200*C(t))**2+(X-960-200*S(t))**2)/2e3,d-64,d+128),x.fillRect(X,Y,64,64)

Feb 22 2017 5:54 PM UTC

}// 139/140

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iverjo

function u(t) {

for(i=0;i<2400;i++)x.beginPath(),x.arc(960+i*C(i/20),540+i*S(i/20)/3,29+i*i/2e4,0,7),x.fillStyle='#'+['000','A0E','FFF','9F0'][i%4],x.fill()

Jan 28 2017 10:00 PM UTC

}// 140/140

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Optical illusion: Go fullscreen and glance at the different parts of the image. As you move your eyes, it may seem like other parts of the image moves slightly.

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u/iverjo

This needs a large and bright display to work
u/donbright

lol i kept looking for 't' in your code, not there!
u/iverjo

Haha!
u/CliffJonesJr

I love these illusion dweets. Nice!
u/iverjo

Thanks :)
u/iverjo

#opticalillusion

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lionleaf

remix of d/45 by u/lionleaf

function u(t) {

c.width=2e3;x.translate(970,400);for(i=0;i++<30;)x.fillStyle='hsl('+i*9+',50%,50%)',x.transform(-1,C(t+1),S(t),-1,0,0),x.fillRect(i,i,99,99)

Jan 14 2017 4:42 PM UTC

}// 140/140

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Fruit ninja #dweetoff

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lionleaf

remix of d/592 by u/New_Core

function u(t) {

c.width=2e3;a=99*S(t)+300;;for(b=i=500;i--;)x.strokeStyle='red',X=1e3+a*S(i)*S(i*0.5+.3*T(t))-b*C(t*.5),Y=b+a*C(i),x.lineTo(X,Y);x.stroke();

Jan 13 2017 8:33 PM UTC

}// 140/140

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Hot air baloon caught in a tornado!

u/lionleaf

#balloon

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New_Core

function u(t) {

x.beginPath();x.strokeStyle=R(0,a=255*(t%1),a);x.ellipse(960,540,b=99+9*S(a=t*9),b*.9,t,0,7),x.stroke();x.drawImage(c,-5,-3,1920+10,1080+6)

Dec 11 2016 10:20 AM UTC

}// 139/140

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u/iverjo

Spectacular! I want to make a remix of this
u/lionleaf

Amazing!
u/13thptr

#tunnel

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lionleaf

remix of d/192 by u/icecuber

function u(t) {

c.width=199;f=99;d=t%4;for(i=210;i--;)r=d>.5?f*S(i*f)*(d-.5):0,x.fillStyle=R(f,i),x.fillRect(f+29*S(t/4^9)*d+C(i)*r,f-d*f+d*d*49+S(i)*r,1,2)

Jun 25 2016 6:43 PM UTC

}// 140/140

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Remix of icecuber awesome fireworks :)

u/lionleaf

#fireworks

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Daithi

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼🐰𞱸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𜡥𜰬𜡥𜰩𞱦𫱲𚁩🐱𩐴𞱩𛐭𞰩𮱬👩𚱴𞱸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𜰰𜀭𤰨𫀩𚠱𜐰𯐬𞐰𙐬𝐰𙐩𨀻𤰨𫀩🠮𜐦𙡸𛡦𪑬𫁒𩑣𭀨𤰨𜠪𫀩𚠵𜀰𚱓𚁬𚐪𚁓𚁩𚡩𚐪𝐰𜀩𚰱𩐳𛀊𤰨𫀩𚡃𚁩𚡩𚐪𝐰𜀫𝐴𜀬𞐬𝐩𯐊𒠊𒠻`.replace(/u../g,'')))

Sep 2 2025 12:07 AM UTC

}// 135/140

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Tokamak

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KilledByAPixel

function u(t) {

F=_=>!(Y>4?X%7|Z%7:X&&Y-4)
eval(unescape(escape`󩭯󬬨󨼮󭽩󩍴󪍼󟝩󟜵󜜲󞽩󛜭󞽸󛭦󪝬󫍒󩝣󭌨󞜶󜌭󚍓󚍴󚜪󚍡󟝘󛜴󚜫󠼨󭌩󚬨󨬽󦬭󝌩󚜪󞌰󛌵󝌰󚼨󦜭󝌩󚬸󜌭󚍓󚍴󚜪󨬭󠼨󭌩󚭡󚜪󜼰󛍷󟜴󜌪󡬨󚜬󭼩󚝘󟝩󙜸󛍙󟝩󛼸󙜸󯌰󛍚󟝩󟬾󝬻`.replace(/u../g,'')))

Aug 16 2025 5:42 PM UTC

}// 138/140

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3D Modeling Tool 🪑 Replace F with your own function for XYZ!

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u/KilledByAPixel

Sphere Math.hypot(X-4,Y-4,Z-4)<3+S(t)
u/KilledByAPixel

Lamp Math.hypot(X-4,Z-4)<Y/6+(Y<4)*2
u/KilledByAPixel

Table Y>3?!((X+1)%4-3|(Z+1)%4-3):Y==3&&Math.hypot(X-4,Z-4)<4
u/KilledByAPixel

Sierpiński Pyramid F=_=>!(Y^X^Z)
u/KilledByAPixel

Cube !(X%7)+!(Z%7)+!(Y%7)>1
u/KilledByAPixel

Donut (2.5-Math.hypot(X-4,Y-4))**2+(Z-4)**2<2
u/cantelope

circle (d=Math.hypot(X-4,Y-4))<3.5&&d>2.5&&Z==4
u/KilledByAPixel

Cone Math.hypot(Z-4,X-4)<Y/2+.5
u/KilledByAPixel

Octahedron (A=Math.abs)(X-4)+A(Y-4)+A(Z-4)<4
u/joeytwiddle

Rain S(X**X+(Y-t*9|0)*(Y-t*9|0)+Z^X)>.99 (not very good)
u/joeytwiddle

Falling blobs Math.hypot(X-4,Z-4)**2<4+4*C(Y-t*9)
u/joeytwiddle

Glitch cube !(X%7)+!(Y%7)+!(Z%7)>2+S(7*t+X+Y/2+Z*3)
u/joeytwiddle

Jelly cube !(X%7)+!(Z%7)+!(Y%7)>1&&S(X/2+Y/3+Z/5+t)
u/joeytwiddle

This is very cool. Like tixyland, but 3D, and all inside one dweet! #tixyz
u/joeytwiddle

Hollow sphere pulsing (k=Math.abs(Math.hypot(X-4,Y-4,Z-4)-2+C(t)),k<1&&1-k)
u/joeytwiddle

Hills or waves Math.min(0,6-Y+C(X+t)-S(Z-t*5))
u/joeytwiddle

A fan? (k=Math.atan2(Y-4,Z-4)+t*6,k%2>0&&k%2<.5)
u/ximavus

Thingy: S(t+X+Y+Z)
u/ximavus

Glitchy thingy: T(t+X+Y+Z)

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rodrigo.siqueira

remix of d/34165 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`𡠽𧰽🡘𚡘𚱙𚡙𞱦𫱲𚁸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𪐽𮠽𜡥𜰬𮠩𞱩𛐭𞱸𛡣𫁥𨑲𤡥𨱴𚀨𭑛𪑝𚰽𝀪𤰨𪐩𚡃𚁡👆𚁘👵𦱩𧐯𝀰𚐪𚀱𛑙𚐪𞀫𦐪𡠨𦐫𚰩𛰹𞐩𚐫𞐶𜀬𚁵𦱩𚱺𧐫🐳𚡓𚁡𚐭𜐩𚰸𜠰𛀳𛀳𚐩𦐽𭀿𭑛𪐫𮡝𛰶𜀺𭑛𭑛𪐫𮡝👩𧐽𥀨𪐩𚡩𞱸𛡧𫁯𨡡𫁁𫁰𪁡🐮𜀱`.replace(/u../g,"")))

Aug 3 2025 5:39 PM UTC

}// 140/140

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Mysterious percolation growth effect #waitforit

u/cantelope

nice