Random dweets | Dwitter

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.

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Current theme challenge: #Food

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Foldster

function u(t) {

q=255
for(i=a=b=g=0;i<2e3;i++)
{s=i*t*g%2<1
d=3*s-a-b
b=a+(a=d/2)
g=(s+g)/2
x.fillStyle=R(q*g,q*g)
x.fillRect(a*330+850,400+b*q,1,q/t**2)}

May 17 2020 11:21 AM UTC

}// 138/140

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Fractal Hills

u/katkip

wow

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kmoseni

remix of d/23476 by u/ArthurThuczsec

function u(t) {

bpm=76;t=t*bpm/60;for(x.strokeStyle=`hsl(${(i=c.width|=0)+t*255} 90%30%`;i--;)x.arc(960,540,i/C(t)**2,z=i*t%i/t&t,z-t);x.stroke()

Aug 23 2021 3:12 PM UTC

}// 129/140

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Change BPM to match music, if you want!

u/magna

Cool!

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CliffJonesJr

function u(t) {

t||(Y=y=960,Z=z=540,γ=ζ=0)
c.width=1920
y+=γ+=S(t)+(Y-y)*.002
z+=ζ+=C(t)+(Z-z)*.005
x.font=(90+z/10)+'px A'
x.fillText(z<700?'😀':'😃',y,z)

Dec 27 2017 6:36 AM UTC

}// 137/140

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u/mohd-akram

Like one of those annoying video game bosses :D
u/CliffJonesJr

I was originally going to make the motion random, but that char limit is tough! Looks pretty random at least.

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doweet

remix of d/16894 by u/WasifBoomz

function u(t) {

x.rotate(t)
x.lineWidth=5
x.strokeStyle = '#'+Math.floor(Math.random()*16777215).toString(16);
x.strokeRect(0,0,9*t,99*t)

Dec 19 2019 5:10 PM UTC

}// 121/140

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joeytwiddle

function u(t) {

x.font='480px s'
x.fillText('NOVA',260,700)
x.transform(1,0,0,1.02,0,-10)
x.fillStyle=`hsla(${888*t},50%,50%,${.001**t}`

Jun 23 2017 6:18 PM UTC

}// 120/140

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Nova party is this weekend in Devon, UK http://www.novaparty.org/

u/joeytwiddle

x.transform(1.01,0,0,1.02,-9,-10) is also fun
u/joeytwiddle

Oh curious. 's' gives me a 'sans' font on Linux but a 'serif' on Mac!

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rodrigo.siqueira

remix of d/34847 by u/rodrigo.siqueira

function u(t) {

c.style.filter='invert()sepia(.6)'
for(i=3e4;i--;x.fillRect(960+X*15,180-Y*70,t<4,.1))
F=i/690,X=4*F*S(k=T((t+1)*i/6%49)),Y=F*C(k)/2-25/F

Jan 31 2026 1:53 PM UTC

}// 137/140

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Funnel fibers

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katkip

remix of d/9444 by u/DataMeta

function u(t) {

v=Math.abs;for(c.width|=i=760;i--;)x.ellipse(960+500*S(t++),b=540,b*1/i*v(C(t-i)),b*v(C(S(i)+i))+v(T(i)),-t+i,-i,i);x.stroke();

Aug 27 2018 3:31 PM UTC

}// 128/140

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andrea270872

function u(t) {

K=55
T=t*60*K
I=T%2e3
J=(T/2e3*K)%1e3
A=I/1e3-1,B=J/600-1
for(i=0;i<15;i++)[A,B]=[A*A-B*B-.8,2*A*B+.2]
if((A*A+B*B)<99)x.fillRect(I,J,K,K)

Mar 7 2019 12:47 PM UTC

}// 138/140

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Ghost of Julia

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KilledByAPixel

remix of d/15016 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑴🱯𫡭𫱵𬱥𩁯𭱮👯𫡭𫱵𬱥𫑯𭡥👥🐾𮱢𩑧𪑮𤁡𭁨𚁚🐹𞐪𩐮𨡵𭁴𫱮𬰩𛁡𬡣𚁘👥𛡸𛁙👥𛡹𛀨𠐮𫑡𬀨𨐽🡚🐨𤠽𚀨𨐮𦀭𦀩𚠪𜠫𚁡𛡙𛑙𚐪𚠲𚐪𚠮𝐩🡡𛡚𚱚🱚𞡒𛑡𛡚𚐬𦠩𛀰𛀷𚐻𦠾𜀦𙡁𛡰𭑳𪀨𮱘𛁙𛁚𯐩𛁦𪑬𫀨𚑽𞠨𨰮𭱩𩁴𪀽𝐶𞀬𠐽𦱝𚐻`.replace(/u../g,'')))

Jul 18 2019 2:14 AM UTC

}// 140/140

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Draw non-overlapping circles with the mouse! #interactive

u/KilledByAPixel

You can single click to draw individual circles or drag to draw a line.
u/f8f82804

who doesn't love an Apollonian gasket?

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𪠽𬐽𜠴𜀬𨰮𭱩𩁴𪁼👯🐲𝐻𪠭𛐻𚑦𫱲𚁭🐹𞱭𛐭𞱸𛡦𪑬𫁒𩑣𭀨𦀭𚁳👱𛑭𚡯𚐯𜠬𦐭𬰯𜠬𬰬𬰩𚑸𛡦𪑬𫁓𭁹𫁥👠𪁳𫁡𚀤𮱴𚡱𚱪𙐲𚠱𞀰𚱭𚡯𯐬𞐹𙐬𝐰𙐬𙁻𫐯𚀹𚱃𚁴𚠸𚰨𦀽𪠥𫰪𬐫𤰨𭀩𚠨𫠽𞀰𜀩𛑮𚐯𬐩𚡓𚀨𦐽𪠪𞐫𭀪𝀰𜀥𝀵𜀭𫠩𛱱𚐪𞐩𯑠`.replace(/u../g,'')))

Oct 9 2024 8:26 PM UTC

}// 140/140

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tiles v.7