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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rodrigo.siqueira

remix of d/12369 by u/ETHproductions

function u(t) {

c.width&=q=-6;for(x.translate(960,540);q++;x.rotate(20.106))for(i=p=99;p+i--;p*=-1){x.fillRect(C(i/2)*C(i/62)*p,S(t)*99+i*S(t/2)*4,6,4)}

Feb 16 2019 3:14 PM UTC

}// 136/140

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Star mandala

u/joeytwiddle

Pretty! #flower

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magna

function u(t) {

t||(p=performance.now())
x.fillRect(t*9,540-(m=Math.log(t-(performance.now()-p)/1000)*10),1,m*2)

Jun 30 2019 5:20 PM UTC

}// 97/140

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Dwitter runtime t versus performance.now()

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f8f82804

remix of d/9532 by u/f8f82804

function u(t) {

p=a=>127+S(a)*127;with(x)f=a=>fillStyle=R(p(a),p(a+21),p(a-21)),f(t),fillRect(0,0,v=2e3,v),f(t+22),fillRect(960,0,v,v)

Aug 30 2018 6:31 PM UTC

}// 118/140

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Saved 22 characters on my palette with a little golf and some integer approximations for multiples of π. Let me know if you'd like to see the spreadsheet that lays out different approximations and their accuracy.

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francis

remix of d/1080 by u/francis

function u(t) {

c.width=1920; /* clear the canvas */
for(i=0;i<360;i++)
x.fillRect(400+C(i*S(i)-S(t)*300, 400, 50, 200) /* draw 50x200 rects */

Feb 23 2017 9:18 PM UTC

}// 127/140

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KilledByAPixel

remix of d/33783 by u/KilledByAPixel

function u(t) {

eval(_=unescape(escape`󨼮󭽩󩍴󪍼󟝏󟝯󟜾󮌮󩭩󫍬󥍥󮍴󚍟󦽆󚼫󧜬󦌫󟝃󚍡󚜪󝜬󦜫󟝃󚍡󚼵󚜪󞌩󯌭󛝯󙬦󣼨󫼩󒭦󫽲󚍸󛭳󨽡󫍥󚌹󛍩󟜴󚜻󪜭󛜻󣼨󬬩󚝆󟜰󛍪󟝩󙬲󛍘󟜱󜼰󛍙󟜳󜬭󠼨󭌪󞌩󚬳󛍡󟜲󛍏󚌱󜜫󝜪󛜭󪬩󛍆󟝩󚬹󛍡󟝃󚍢󟝴󚬴󚽩󚬳󚜯󜬭󪬯󜬫󜬬󣼨󬬽󝼫󪬩󛍡󚼽󪬪󠼨󨬭󜬩󚽪`.replace(/u../g,'')))

Aug 5 2025 4:27 AM UTC

}// 140/140

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Running Code 🏃‍♀️

u/zachygreen

flippin nuts how smooth the animation is
u/cantelope

call the men in black
u/KilledByAPixel

#quine
u/ximavus

the code is running away!

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veubeke

function u(t) {

c.width^=0
for(i=9;i--;)x.fill(new Path2D(`M${(4+i+S(t)*3)*100} 400h50v200h-50z`))

Nov 14 2019 1:51 PM UTC

}// 82/140

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u/katkip

#path

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azrach

function u(t) {

c.width=w=1920; for(i=0;i<w;i+=50)for(j=0;j<1080;j+=10){x.fillRect(i,j,20,20);x.fillStyle=R(i%255,j%255,i*j%255);x.rotate(3.142/90*S(t/4))}

Dec 28 2017 12:27 AM UTC

}// 139/140

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jonathan_b

remix of d/4136 by u/Exca

function u(t) {

for(i=0;i<1100;i++)d=C(t+i),s=i==0?2920:9-d,x.fillStyle=R(i/3,i/d,i/.1,0.2),x.fillRect(C(t*2.5+i)*220*S(C(t)+i%50)*2+960*(i?1:-1),i,s*2,s*2)

Dec 28 2017 6:58 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/28508 by u/rodrigo.siqueira

function u(t) {

for(a=b=0,i=2e4;i--;a+=(r=i*t/b&1)/5-b*S(a*5+r*1.5)/8.6-a*a/3.7,b-=C(a*5)+a*b/8)x.fillRect(7340-a*7e3,b*850-999,.1,t<2)

Sep 17 2023 3:10 PM UTC

}// 119/140

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Splash equation

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katkip

remix of d/18907 by u/Xen

function u(t) {

q=w=>'pqwertyuio'.indexOf(w),x.lineWidth=~x.strokeRect(c.width/q`w`,q`r`**q`e`*t,q`o`**q`w`*q`w`+S(t)*q`i`**q`e`-frame,q`y`**q`w`-t)

May 22 2020 2:14 PM UTC

}// 132/140

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#NoNumbers #art is actually hard. q=w=>'pqwertyuio'.indexOf(w) is a cheat. q(q), q(w), ... returns the digit above the letter on the keyboard

u/Xen

see myself running out of ideas fast lol